djvu | 94d99de02ab6a10bc44f926416b67cd51362cfd406cfebccad33cb69543f288e

General

Target

94d99de02ab6a10bc44f926416b67cd51362cfd406cfebccad33cb69543f288e
Size

244KB
Sample

230225-aa1ggabc3x
MD5

e36305497dc6e8fedce7e79072679dc1
SHA1

ad7769d5751809589b9adcc8c81322d04ea53fd5
SHA256

94d99de02ab6a10bc44f926416b67cd51362cfd406cfebccad33cb69543f288e
SHA512

dacda7dc0d8d5dcf5a674efbcfaa40f4c66fec13c718a4851aee6635f9133fbede2b1c6c4cf62d92bbf6a5f161304457b78100e50759e8ec5ce5e7b807940bbc
SSDEEP

6144:Qb1xLU3mHihG/BBzLmmVEIsQTstw/9Ha:QbjQWHihEBB/mmVaQTstwlH

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
  
  94d99de02ab6a10bc44f926416b67cd51362cfd406cfebccad33cb69543f288e
- Size
  
  244KB
- MD5
  
  e36305497dc6e8fedce7e79072679dc1
- SHA1
  
  ad7769d5751809589b9adcc8c81322d04ea53fd5
- SHA256
  
  94d99de02ab6a10bc44f926416b67cd51362cfd406cfebccad33cb69543f288e
- SHA512
  
  dacda7dc0d8d5dcf5a674efbcfaa40f4c66fec13c718a4851aee6635f9133fbede2b1c6c4cf62d92bbf6a5f161304457b78100e50759e8ec5ce5e7b807940bbc
- SSDEEP
  
  6144:Qb1xLU3mHihG/BBzLmmVEIsQTstw/9Ha:QbjQWHihEBB/mmVaQTstwlH
Score

10^/10

djvu pseudomanuscrypt smokeloader vidar backdoor discovery evasion loader persistence ransomware stealer themida 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
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Downloads MZ/PE file
- Stops running service(s)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Deletes itself
- Executes dropped EXE
- Modifies file permissions
  discovery
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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
- Checks whether UAC is enabled
  evasion trojan
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1