198051ba270c12758a3889731f4805c6190ea6a295c72ca20658c97f16225103 | Triage

Sharing

General

Target

198051ba270c12758a3889731f4805c6190ea6a295c72ca20658c97f16225103
Size

824KB
Sample

221125-zz2hhafc34
MD5

afc3bde35a0c7072b9ee70ab83bba4cd
SHA1

00decaebb85d1bfdcc037f4cfea5ee984397e37f
SHA256

198051ba270c12758a3889731f4805c6190ea6a295c72ca20658c97f16225103
SHA512

2f55123b72774bfc52f6d8b12628d873cf0f8d2dfeae3bd472244ea6450c7f589638175132330b061306a4f2e9126f6cc218de6045ade0a6c0f05c2158353adf
SSDEEP

24576:NowHDDnZ0PA5Lnosj9UNIEF7Mw3Zx+vd:vjDao5Lnod7F3Zx+v

Score

7^/10

bootkit evasion persistence trojan

Malware Config

Targets

- Target
  
  198051ba270c12758a3889731f4805c6190ea6a295c72ca20658c97f16225103
- Size
  
  824KB
- MD5
  
  afc3bde35a0c7072b9ee70ab83bba4cd
- SHA1
  
  00decaebb85d1bfdcc037f4cfea5ee984397e37f
- SHA256
  
  198051ba270c12758a3889731f4805c6190ea6a295c72ca20658c97f16225103
- SHA512
  
  2f55123b72774bfc52f6d8b12628d873cf0f8d2dfeae3bd472244ea6450c7f589638175132330b061306a4f2e9126f6cc218de6045ade0a6c0f05c2158353adf
- SSDEEP
  
  24576:NowHDDnZ0PA5Lnosj9UNIEF7Mw3Zx+vd:vjDao5Lnod7F3Zx+v
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