bf7236781c8862d134ca76a8b9b3fd6da909f00cf273911f14b0e35bd1cb85de | Triage

Sharing

General

Target

bf7236781c8862d134ca76a8b9b3fd6da909f00cf273911f14b0e35bd1cb85de
Size

5.5MB
Sample

231114-xva4msfh5x
MD5

c272ce133eee20b276b452ea1022d2ba
SHA1

aec968bb84702392cd73591ed2a5d45073405389
SHA256

bf7236781c8862d134ca76a8b9b3fd6da909f00cf273911f14b0e35bd1cb85de
SHA512

090b418563e5df2d4c58092bbf0ecd6cfce7a6623fb7ee9916b1b7152c9ca6c54b375624d9897cb0d9d999fbc15f030f8919cd1b1cb226fc9652094997258063
SSDEEP

6144:ch3rzMYXh+02d1r5ZTYnmL6Rbc0i3wANv4hituxp38u0:2rgQmd195KmL6R40igANv4h8u/8

Score

10^/10

evasion persistence trojan

Malware Config

Targets

- Target
  
  bf7236781c8862d134ca76a8b9b3fd6da909f00cf273911f14b0e35bd1cb85de
- Size
  
  5.5MB
- MD5
  
  c272ce133eee20b276b452ea1022d2ba
- SHA1
  
  aec968bb84702392cd73591ed2a5d45073405389
- SHA256
  
  bf7236781c8862d134ca76a8b9b3fd6da909f00cf273911f14b0e35bd1cb85de
- SHA512
  
  090b418563e5df2d4c58092bbf0ecd6cfce7a6623fb7ee9916b1b7152c9ca6c54b375624d9897cb0d9d999fbc15f030f8919cd1b1cb226fc9652094997258063
- SSDEEP
  
  6144:ch3rzMYXh+02d1r5ZTYnmL6Rbc0i3wANv4hituxp38u0:2rgQmd195KmL6R40igANv4h8u/8
Score

10^/10

evasion persistence trojan
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  evasion trojan
- Adds policy Run key to start application
  persistence
- Disables RegEdit via registry modification
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencetrojan

behavioral2

evasionpersistencetrojan