21c89e415d1a776c3b78cef1cc66b22c6bf68623273dda0f598275dbe68be52f | Triage

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General

Target

21c89e415d1a776c3b78cef1cc66b22c6bf68623273dda0f598275dbe68be52f
Size

1.8MB
Sample

221005-katc9sdga4
MD5

84a63103b7bb227995125e2413bf8fa6
SHA1

ba697ac1be869a4b72d68a1f0f30739a7c6bfa45
SHA256

21c89e415d1a776c3b78cef1cc66b22c6bf68623273dda0f598275dbe68be52f
SHA512

3b795d4b38ad68263f0ee2c798a9b9fc4b6050f3faf185f600c29359c3aaf571e535fe6c826e1cee29996058d0991d2fa7ed7fb77d225b7c9df85e90213adf10
SSDEEP

49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score

9^/10

evasion trojan

Malware Config

Targets

- Target
  
  21c89e415d1a776c3b78cef1cc66b22c6bf68623273dda0f598275dbe68be52f
- Size
  
  1.8MB
- MD5
  
  84a63103b7bb227995125e2413bf8fa6
- SHA1
  
  ba697ac1be869a4b72d68a1f0f30739a7c6bfa45
- SHA256
  
  21c89e415d1a776c3b78cef1cc66b22c6bf68623273dda0f598275dbe68be52f
- SHA512
  
  3b795d4b38ad68263f0ee2c798a9b9fc4b6050f3faf185f600c29359c3aaf571e535fe6c826e1cee29996058d0991d2fa7ed7fb77d225b7c9df85e90213adf10
- 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