052b40975f878b2592b3f1e297598895cafbbd0083d2e09a3543313aed253565 | Triage

Sharing

General

Target

052b40975f878b2592b3f1e297598895cafbbd0083d2e09a3543313aed253565
Size

672KB
Sample

221126-xbk5hafa37
MD5

02666538282fe142ed64560f0d65ce9b
SHA1

20f4a3ef65135415da81263142b3bcefb3523e71
SHA256

052b40975f878b2592b3f1e297598895cafbbd0083d2e09a3543313aed253565
SHA512

c5ab68fa6111080a1bbbcbb9757c1a2407e370ee1171e12a8d4c56628cabb9339e8e64af60e433af201f14d1a7010f70512755b4231effa9428a2efd3cb0d5d7
SSDEEP

12288:6sYvr8mnyUWSlJrAiIamA8cdj4lMT6Xr2cCR:6sYvwIyUpla0mAf

Score

9^/10

evasion persistence ransomware

Malware Config

Targets

- Target
  
  052b40975f878b2592b3f1e297598895cafbbd0083d2e09a3543313aed253565
- Size
  
  672KB
- MD5
  
  02666538282fe142ed64560f0d65ce9b
- SHA1
  
  20f4a3ef65135415da81263142b3bcefb3523e71
- SHA256
  
  052b40975f878b2592b3f1e297598895cafbbd0083d2e09a3543313aed253565
- SHA512
  
  c5ab68fa6111080a1bbbcbb9757c1a2407e370ee1171e12a8d4c56628cabb9339e8e64af60e433af201f14d1a7010f70512755b4231effa9428a2efd3cb0d5d7
- SSDEEP
  
  12288:6sYvr8mnyUWSlJrAiIamA8cdj4lMT6Xr2cCR:6sYvwIyUpla0mAf
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