31a94eda54736423eae2c432c177ff438291d259cdfd19122af55f719a31f981 | Triage

Sharing

General

Target

31a94eda54736423eae2c432c177ff438291d259cdfd19122af55f719a31f981
Size

398KB
Sample

221125-dmm9fsgb84
MD5

7876e5a37a290fc761b601dcec45f566
SHA1

3b1374da9f8eb62a1017528633ca23b910884b67
SHA256

31a94eda54736423eae2c432c177ff438291d259cdfd19122af55f719a31f981
SHA512

b20144859f0dac3e47b2a6d21090e3bf2ef1d45ab8d666185bb06daec2951e3d9ed2ffb85be1c43599c0c61572eb70fd142a03e5a9d37165ab0e3078ab55294b
SSDEEP

12288:sgwj35X0zH2T07744h7NlOxSlcO0gz9BzNE:Oz5X6HM0774876md/zS

Score

9^/10

evasion persistence ransomware

Malware Config

Targets

- Target
  
  31a94eda54736423eae2c432c177ff438291d259cdfd19122af55f719a31f981
- Size
  
  398KB
- MD5
  
  7876e5a37a290fc761b601dcec45f566
- SHA1
  
  3b1374da9f8eb62a1017528633ca23b910884b67
- SHA256
  
  31a94eda54736423eae2c432c177ff438291d259cdfd19122af55f719a31f981
- SHA512
  
  b20144859f0dac3e47b2a6d21090e3bf2ef1d45ab8d666185bb06daec2951e3d9ed2ffb85be1c43599c0c61572eb70fd142a03e5a9d37165ab0e3078ab55294b
- SSDEEP
  
  12288:sgwj35X0zH2T07744h7NlOxSlcO0gz9BzNE:Oz5X6HM0774876md/zS
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 Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

evasionpersistenceransomware

behavioral2

evasionpersistenceransomware