8591d998309a223fd704523bb382893419e7c62d4bd73389ddb9c0471372f407 | Triage

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General

Target

8591d998309a223fd704523bb382893419e7c62d4bd73389ddb9c0471372f407
Size

1.8MB
Sample

220911-gkefbabag3
MD5

81b66bc2d78f7f7643aa44a06fdfc43f
SHA1

c15f36ca0b9ad54a2ed2e02df4545e6e120d8569
SHA256

8591d998309a223fd704523bb382893419e7c62d4bd73389ddb9c0471372f407
SHA512

dafea709dd2102e637c6d13eeba5b925bc49e0532d9b3f18bca670b59796c59e973db3e68f8ac6c7e65ded04a41146cd3d396df517792121df6debea0718c4a8
SSDEEP

49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score

9^/10

evasion trojan

Malware Config

Targets

- Target
  
  8591d998309a223fd704523bb382893419e7c62d4bd73389ddb9c0471372f407
- Size
  
  1.8MB
- MD5
  
  81b66bc2d78f7f7643aa44a06fdfc43f
- SHA1
  
  c15f36ca0b9ad54a2ed2e02df4545e6e120d8569
- SHA256
  
  8591d998309a223fd704523bb382893419e7c62d4bd73389ddb9c0471372f407
- SHA512
  
  dafea709dd2102e637c6d13eeba5b925bc49e0532d9b3f18bca670b59796c59e973db3e68f8ac6c7e65ded04a41146cd3d396df517792121df6debea0718c4a8
- 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