djvu | 67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973

General

Target

67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
Size

253KB
Sample

230225-sfmrnsde57
MD5

a14d133c4e07e90b869d609f97f087de
SHA1

10dfd3380619e8ecc12e6bdbe3213f832734b3b4
SHA256

67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
SHA512

3138325f21cda6c210e9537bd6de74f85180c6a6469f390437a8c1c3cd3d0c5518faa2162d3ffff77e735952823d254fac303dcb836f838138528830a1777ce1
SSDEEP

3072:5olFeULxFDYuLj32/XJm/Dv6OnVRALbmsKeVvb+PNhC1hIWfz3+qlhCo:mRLQuLj2ODvJfdPeVvoNhC3nu

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://jiqaz.com/lancer/get.php

http://jiqaz.com/test2/get.php

Attributes

extension
.iotr
offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
- Size
  
  253KB
- MD5
  
  a14d133c4e07e90b869d609f97f087de
- SHA1
  
  10dfd3380619e8ecc12e6bdbe3213f832734b3b4
- SHA256
  
  67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
- SHA512
  
  3138325f21cda6c210e9537bd6de74f85180c6a6469f390437a8c1c3cd3d0c5518faa2162d3ffff77e735952823d254fac303dcb836f838138528830a1777ce1
- SSDEEP
  
  3072:5olFeULxFDYuLj32/XJm/Dv6OnVRALbmsKeVvb+PNhC1hIWfz3+qlhCo:mRLQuLj2ODvJfdPeVvoNhC3nu
Score

10^/10

djvu pseudomanuscrypt smokeloader vidar backdoor discovery evasion loader persistence ransomware stealer trojan vmprotect
- Detected Djvu ransomware
- Detects PseudoManuscrypt payload
  loader
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- PseudoManuscrypt
  PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.
  loader pseudomanuscrypt
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Stops running service(s)
  evasion
- Deletes itself
- Executes dropped EXE
- Modifies file permissions
  discovery
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Adds Run key to start application
  persistence
- 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