Managed XDR

esclyps.rar — malware analysis report

File info

Filename
esclyps.rar
File type
RAR archive data, v5
File size
28 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a3e1fc6ad519814e403e0329313200afaea631c1
SHA256
827d1038fce3a666d17b950dc1eb4c15a92df2916a3dac9a13ef71689091d6e7
MD5
a497c398d3fddaee622939447f12a37f

Signatures

Privilege Escalation

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

T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1057 process_interest: Enumerates processes
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)

Command and Control

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

Other

creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 127.0.0.1:0
suspicious_process_network: Unusual process network activity detected
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected