b4f86b0876a6eba0224f22c3a9d577e8b0b7ae971ffa32be339649e1e3361388 | Triage

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General

Target

b4f86b0876a6eba0224f22c3a9d577e8b0b7ae971ffa32be339649e1e3361388
Size

1.8MB
Sample

220921-gactqsahaq
MD5

4430bf617587d1219eaf44b93785d51a
SHA1

eee1c97209dd2ff00214a981769971929cd5cd4a
SHA256

b4f86b0876a6eba0224f22c3a9d577e8b0b7ae971ffa32be339649e1e3361388
SHA512

382446c68daeff176e74dacbd18836dbd4988fac7ef3ddc4a7d5f0ae3142738035c7a86d2139203a8d8e9550699a292a183577077192987e13c33fe04350b791
SSDEEP

49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score

9^/10

evasion trojan

Malware Config

Targets

- Target
  
  b4f86b0876a6eba0224f22c3a9d577e8b0b7ae971ffa32be339649e1e3361388
- Size
  
  1.8MB
- MD5
  
  4430bf617587d1219eaf44b93785d51a
- SHA1
  
  eee1c97209dd2ff00214a981769971929cd5cd4a
- SHA256
  
  b4f86b0876a6eba0224f22c3a9d577e8b0b7ae971ffa32be339649e1e3361388
- SHA512
  
  382446c68daeff176e74dacbd18836dbd4988fac7ef3ddc4a7d5f0ae3142738035c7a86d2139203a8d8e9550699a292a183577077192987e13c33fe04350b791
- SSDEEP
  
  49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig
Score

9^/10

evasion trojan
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Executes dropped EXE
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

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