54a28d7e662b9ca87a3ca10474ef5531c9952ea9289955248a6f78e72102fa93 | Triage

Sharing

General

Target

54a28d7e662b9ca87a3ca10474ef5531c9952ea9289955248a6f78e72102fa93
Size

1.4MB
Sample

221125-pk2vlsgc33
MD5

fd7e2974be55b47da27df43f753eeb24
SHA1

452f15357ee5037ae2f55973a10afd2af03c3b72
SHA256

54a28d7e662b9ca87a3ca10474ef5531c9952ea9289955248a6f78e72102fa93
SHA512

44fb188624ff73852c9d447aa490dda91179fb35773551c94e204b8e542c1c2c4c77209c5946698f5b2a49dcef2d845965e736d1e257c78e08aeda2cf15f9283
SSDEEP

24576:BtkJ1TbscqFXGHPA1TE6BySRjw7k1qTIqlA3AyjVItTN6RknKqCqCxBD:4TblAXb1oGTNwbE5AyU6R0cT

Score

7^/10

bootkit evasion persistence trojan

Malware Config

Targets

- Target
  
  54a28d7e662b9ca87a3ca10474ef5531c9952ea9289955248a6f78e72102fa93
- Size
  
  1.4MB
- MD5
  
  fd7e2974be55b47da27df43f753eeb24
- SHA1
  
  452f15357ee5037ae2f55973a10afd2af03c3b72
- SHA256
  
  54a28d7e662b9ca87a3ca10474ef5531c9952ea9289955248a6f78e72102fa93
- SHA512
  
  44fb188624ff73852c9d447aa490dda91179fb35773551c94e204b8e542c1c2c4c77209c5946698f5b2a49dcef2d845965e736d1e257c78e08aeda2cf15f9283
- SSDEEP
  
  24576:BtkJ1TbscqFXGHPA1TE6BySRjw7k1qTIqlA3AyjVItTN6RknKqCqCxBD:4TblAXb1oGTNwbE5AyU6R0cT
Score

7^/10

bootkit evasion persistence trojan
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Checks whether UAC is enabled
  evasion trojan
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitevasionpersistencetrojan

behavioral2

bootkitevasionpersistence