b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f | Triage

Sharing

General

Target

b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f
Size

439KB
Sample

221020-n71emachd6
MD5

42526338eba2dea6bbe3e733cca203d0
SHA1

ef858b005e62f3200c9cbf71ad4fd3e9fc18e77b
SHA256

b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f
SHA512

d964d83eeb99031f1ee6cbcc6098b388aedf6bae26c3c1d78d4431924faea174e78f67d79d53dd6960f69091ffc9bbb657c0280da6f5641f7cf082c287c17ec1
SSDEEP

12288:WwYIGAYrF06GhThvMikc/5cv7K3LJx9ahDFXyGCrHV:WwYIGA3ThLLmKd7ahMGCrH

Score

10^/10

evasion persistence ransomware spyware stealer trojan

Malware Config

Targets

- Target
  
  b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f
- Size
  
  439KB
- MD5
  
  42526338eba2dea6bbe3e733cca203d0
- SHA1
  
  ef858b005e62f3200c9cbf71ad4fd3e9fc18e77b
- SHA256
  
  b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f
- SHA512
  
  d964d83eeb99031f1ee6cbcc6098b388aedf6bae26c3c1d78d4431924faea174e78f67d79d53dd6960f69091ffc9bbb657c0280da6f5641f7cf082c287c17ec1
- SSDEEP
  
  12288:WwYIGAYrF06GhThvMikc/5cv7K3LJx9ahDFXyGCrHV:WwYIGA3ThLLmKd7ahMGCrH
Score

10^/10

evasion persistence ransomware spyware stealer trojan
- Modifies visibility of file extensions in Explorer
  evasion
- UAC bypass
  evasion trojan
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

Privilege Escalation

Bypass User Account Control

Defense Evasion

Bypass User Account Control

Disabling Security Tools

Hidden Files and Directories

Modify Registry

Credential Access

Credentials in Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistenceransomwarespywarestealertrojan

behavioral2

evasionpersistencespywarestealertrojan