88757631988c9544b36f0212cf7cdf6c621d5005b99b64c238f4f7c487eb89f2 | Triage

Sharing

General

Target

88757631988c9544b36f0212cf7cdf6c621d5005b99b64c238f4f7c487eb89f2
Size

706KB
Sample

221123-q2grfaae2z
MD5

d5ae8a95a74e4e6c37e21ba2a4eefb09
SHA1

c41fbff4e3639b2563eeb97f9a90d357a26d665c
SHA256

88757631988c9544b36f0212cf7cdf6c621d5005b99b64c238f4f7c487eb89f2
SHA512

a1c080195281c3b7cc6cd34cd07c1471c7abf9980b0f6b51f181bbea9055d1209c52cd46c201a365079a191c2ad9bc64907509bdcd1cc06201c6910fbadd1d71
SSDEEP

12288:vdNxMB4UKc/WL6Ls5K0NGi5n6hft0TxssvHMpssp:LxDs/ZSG/feGsvHCr

Score

9^/10

evasion persistence ransomware

Malware Config

Targets

- Target
  
  88757631988c9544b36f0212cf7cdf6c621d5005b99b64c238f4f7c487eb89f2
- Size
  
  706KB
- MD5
  
  d5ae8a95a74e4e6c37e21ba2a4eefb09
- SHA1
  
  c41fbff4e3639b2563eeb97f9a90d357a26d665c
- SHA256
  
  88757631988c9544b36f0212cf7cdf6c621d5005b99b64c238f4f7c487eb89f2
- SHA512
  
  a1c080195281c3b7cc6cd34cd07c1471c7abf9980b0f6b51f181bbea9055d1209c52cd46c201a365079a191c2ad9bc64907509bdcd1cc06201c6910fbadd1d71
- SSDEEP
  
  12288:vdNxMB4UKc/WL6Ls5K0NGi5n6hft0TxssvHMpssp:LxDs/ZSG/feGsvHCr
Score

9^/10

evasion persistence ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Drops file in Drivers directory
- Executes dropped EXE
- Deletes itself
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

evasionpersistenceransomware

behavioral2

evasionpersistenceransomware