djvu | 5c2a928300805c6f772128556ec39f4152172ff9757e22e23bf0b89f91f0e101

General

Target

5c2a928300805c6f772128556ec39f4152172ff9757e22e23bf0b89f91f0e101
Size

172KB
Sample

240404-3j1staed36
MD5

af2027f509b6f4b269a7249c2cd5ae4d
SHA1

63d66ab967e4d1a8aea1273f694e4fcafb8699d1
SHA256

5c2a928300805c6f772128556ec39f4152172ff9757e22e23bf0b89f91f0e101
SHA512

73bba08e07b58ad3ebb200133a1435bccee8978afad315a3b1adb2f28fbd72e3dd9f7ced998e3477f52bac619ccab9b2089facfd62c51c4991cc6c2da3172fa5
SSDEEP

3072:8or9nIoq91dwPfb4Z3EtqpAQVjnHF3egebZNn7+KX:lRnIoO1d2D4ZUtqpXllugen+0

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32

Extracted

Family

djvu

C2

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

Attributes

extension
.uajs
offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
payload_url
http://sdfjhuz.com/dl/build2.exe

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

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

Targets

- Target
  
  5c2a928300805c6f772128556ec39f4152172ff9757e22e23bf0b89f91f0e101
- Size
  
  172KB
- MD5
  
  af2027f509b6f4b269a7249c2cd5ae4d
- SHA1
  
  63d66ab967e4d1a8aea1273f694e4fcafb8699d1
- SHA256
  
  5c2a928300805c6f772128556ec39f4152172ff9757e22e23bf0b89f91f0e101
- SHA512
  
  73bba08e07b58ad3ebb200133a1435bccee8978afad315a3b1adb2f28fbd72e3dd9f7ced998e3477f52bac619ccab9b2089facfd62c51c4991cc6c2da3172fa5
- SSDEEP
  
  3072:8or9nIoq91dwPfb4Z3EtqpAQVjnHF3egebZNn7+KX:lRnIoO1d2D4ZUtqpXllugen+0
Score

10^/10

djvu lumma smokeloader pub1 backdoor discovery persistence ransomware spyware stealer trojan
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Lumma Stealer
  An infostealer written in C++ first seen in August 2022.
  stealer lumma
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Downloads MZ/PE file
- Modifies Installed Components in the registry
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Executes dropped EXE
- Modifies file permissions
  discovery
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- 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 behavioral2