djvu | 7c8a66395dc5f2b7a138c1475ba8329c662a4c905a24dccfaebb31794d605d4f

General

Target

7c8a66395dc5f2b7a138c1475ba8329c662a4c905a24dccfaebb31794d605d4f
Size

331KB
Sample

231210-trkl5afgfq
MD5

126db9a3b00b37cee0f84dcd3e924be1
SHA1

f0076e596e39b878943efb9e6f3242d05be44ee0
SHA256

7c8a66395dc5f2b7a138c1475ba8329c662a4c905a24dccfaebb31794d605d4f
SHA512

5300bdfb4ee7008e61233851c284cd808aff5d51846c60542c33f3e914f42bb5eac160023a3fac3a7d2394162c4c4147c3b7d1743f0fca9e0a76d8d4ab090a72
SSDEEP

6144:IWLFvUwJakJ2f2rKFbG7cPa7T+WV6ucjgU:IWLIkJ2f2rKFb+cQ9/FU

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Extracted

Family

djvu

C2

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

Attributes

extension
.hhuy
offline_id
gG3wF8nDWRqLztkHPAxMzpvNVlmLBMgQKmKiCNt1
payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  7c8a66395dc5f2b7a138c1475ba8329c662a4c905a24dccfaebb31794d605d4f
- Size
  
  331KB
- MD5
  
  126db9a3b00b37cee0f84dcd3e924be1
- SHA1
  
  f0076e596e39b878943efb9e6f3242d05be44ee0
- SHA256
  
  7c8a66395dc5f2b7a138c1475ba8329c662a4c905a24dccfaebb31794d605d4f
- SHA512
  
  5300bdfb4ee7008e61233851c284cd808aff5d51846c60542c33f3e914f42bb5eac160023a3fac3a7d2394162c4c4147c3b7d1743f0fca9e0a76d8d4ab090a72
- SSDEEP
  
  6144:IWLFvUwJakJ2f2rKFbG7cPa7T+WV6ucjgU:IWLIkJ2f2rKFb+cQ9/FU
Score

10^/10

djvu smokeloader zgrat up3 backdoor discovery evasion ransomware rat spyware stealer themida trojan
- Detect ZGRat V1
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Downloads MZ/PE file
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- 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
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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