Managed XDR

fmchakv2 — malware analysis report

File info

Filename
fmchakv2
File type
Zip archive data, at least v1.0 to extract
File size
73.5 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
333a4cefbdd53732dc3d0db198d3995784fc3ef8
SHA256
b3c0b16f57c213852c042d49b07aae1b1e878c01162283fb8af25f415d19eb3b
MD5
218fb2777992000c6b628b258b8e5152

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027 obfuscated_vbs: Detected obfuscated VBS
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_im: Collects information about installed messengers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Exfiltration

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

Other

yara_rules: Static rules
opens_document: Opens office documents
only_exec_in_archive: The archive contains only an executable file
creates_exe: Creates executable files in the file system
suspicious_network_port: Performs TCP or UDP request to non-standard port
creates_doc: Creates (office) documents in the file system
pe_overlay: PE file contains overlay
static_big_overlay: Executable file contains an enormously big overlay