djvu | 58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1

General

Target

58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1
Size

744KB
Sample

221224-f8va1ahf34
MD5

4525da518da4d8644df5834756776c7b
SHA1

677d891e6194e9016e46e1357a81c525a07267ff
SHA256

58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1
SHA512

b4017e7e9c1db5dfc28594e5681daa5ae0ebabefd248486fc5d1f8f8478021656d0ec5fb566354e383aa5eed295762ca28cf12d88c32c574a44f6b49ad7473ca
SSDEEP

12288:PcTvfrgC66FgkHcl/prjQYHNpa0o+fQNAfWO3/X16cMd+5KGnOClX/BEfaSpwY:SIFDQ8ip+uO3/X1GiOUX/miST

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
  
  58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1
- Size
  
  744KB
- MD5
  
  4525da518da4d8644df5834756776c7b
- SHA1
  
  677d891e6194e9016e46e1357a81c525a07267ff
- SHA256
  
  58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1
- SHA512
  
  b4017e7e9c1db5dfc28594e5681daa5ae0ebabefd248486fc5d1f8f8478021656d0ec5fb566354e383aa5eed295762ca28cf12d88c32c574a44f6b49ad7473ca
- SSDEEP
  
  12288:PcTvfrgC66FgkHcl/prjQYHNpa0o+fQNAfWO3/X16cMd+5KGnOClX/BEfaSpwY:SIFDQ8ip+uO3/X1GiOUX/miST
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
- 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