djvu | 9bee133a0a370b11723a23ee3e6ea45d31907d5b36b609950fcfa1027d5db612

General

Target

9bee133a0a370b11723a23ee3e6ea45d31907d5b36b609950fcfa1027d5db612
Size

747KB
Sample

221227-c6yzmahc9w
MD5

8676c1a1fd2521798acf1ad07031544f
SHA1

b9e08fbb2edefa94af9f06d7e0c9125f5aba1bb8
SHA256

9bee133a0a370b11723a23ee3e6ea45d31907d5b36b609950fcfa1027d5db612
SHA512

2fcb85a5f57bbfe5b31ebbaaf7fee9ea9cf900e1737230dc2b2d34548263d55a4b85606a0bf2a7eab90f7f392790e8273ba7707c4d1506561045e99f5d5c052c
SSDEEP

12288:LlDTy/JxQp+Uvid+AmK1jBNyrBBr+ME2Un+TNDqCwhluKMqGX:NTy/gcwid+rK1jXMRE2Un+Vpw7VMx

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.isal
offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  9bee133a0a370b11723a23ee3e6ea45d31907d5b36b609950fcfa1027d5db612
- Size
  
  747KB
- MD5
  
  8676c1a1fd2521798acf1ad07031544f
- SHA1
  
  b9e08fbb2edefa94af9f06d7e0c9125f5aba1bb8
- SHA256
  
  9bee133a0a370b11723a23ee3e6ea45d31907d5b36b609950fcfa1027d5db612
- SHA512
  
  2fcb85a5f57bbfe5b31ebbaaf7fee9ea9cf900e1737230dc2b2d34548263d55a4b85606a0bf2a7eab90f7f392790e8273ba7707c4d1506561045e99f5d5c052c
- SSDEEP
  
  12288:LlDTy/JxQp+Uvid+AmK1jBNyrBBr+ME2Un+TNDqCwhluKMqGX:NTy/gcwid+rK1jXMRE2Un+Vpw7VMx
Score

10^/10

djvu discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1