Managed XDR

upxpacked_5043bf667615...590b69f17874889b9ead89 (Smoke Bot) — malware analysis report

File info

Filename
upxpacked_5043bf6676154c5b44148ca341cc672d27450f7f48590b69f17874889b9ead89
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
111.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f57564c73ff2167cd0e55b360c4322d071e0d0a2
SHA256
880a2382e5bc9069189bea6ec2cea7021d46bf7547f7e8dfc8ad1e3be25c2b52
MD5
68e9ad5613a60c35381b86908b5d2b37

Malwares

  • Smoke Bot

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_generic_ide: Checks the presence of IDE drives in the registry, possibly for anti-virtualization
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1564.001 stealth_file: Creates hidden or system files
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_upx: The executable file is compressed using UPX
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Discovery

T1518.001 antiav_avast_libs: Attempts to detect Avast Antivirus by a certain library
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_generic_ide: Checks the presence of IDE drives in the registry, possibly for anti-virtualization
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
smokeloader_behaviour: Exhibits behavior characteristics of SmokeLoader
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
dns_tld_su: Connects to TLD .SU, possibly malware
no_graphical_activity: No graphic activity
origin_langid: Unconventional language of the executable file

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