b9efe854407809986b565e28ee2dea7c0bb681c5f1fa5d5e721103ccaaa5befe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

b9efe854407809986b565e28ee2dea7c0bb681c5f1fa5d5e721103ccaaa5befe
Size

2.2MB
Sample

241012-chvbjawhqf
MD5

af7918b1f0fa15c1e469e7fe67661284
SHA1

49596d23e1272920cf97e7689f245fdaa6a69dd8
SHA256

b9efe854407809986b565e28ee2dea7c0bb681c5f1fa5d5e721103ccaaa5befe
SHA512

fa9614f46c9fd1ea4da9377cc89b2c7c51c11aa5da9668e558d764af1ce722cbdf498a80a072d2424ea96e6614ffc00e3c12ba6fc7c60f775de9cac62f098e8d
SSDEEP

49152:9kg1eRGtD8X87zjjF/TU/EDb43VhecXpUlZX3pz:GYectgGPh6xUXX3pz

Score

9^/10

discovery persistence ransomware

Malware Config

Targets

- Target
  
  b9efe854407809986b565e28ee2dea7c0bb681c5f1fa5d5e721103ccaaa5befe
- Size
  
  2.2MB
- MD5
  
  af7918b1f0fa15c1e469e7fe67661284
- SHA1
  
  49596d23e1272920cf97e7689f245fdaa6a69dd8
- SHA256
  
  b9efe854407809986b565e28ee2dea7c0bb681c5f1fa5d5e721103ccaaa5befe
- SHA512
  
  fa9614f46c9fd1ea4da9377cc89b2c7c51c11aa5da9668e558d764af1ce722cbdf498a80a072d2424ea96e6614ffc00e3c12ba6fc7c60f775de9cac62f098e8d
- SSDEEP
  
  49152:9kg1eRGtD8X87zjjF/TU/EDb43VhecXpUlZX3pz:GYectgGPh6xUXX3pz
Score

9^/10

discovery persistence ransomware
- Renames multiple (316) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

discoverypersistence

behavioral2

discoverypersistenceransomware