djvu | 2fa5adb1940605fdf9a3b39af904fe7cc2dba8d70039e1f96829a510242d71e2

Target

79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.zip
Size

188KB
Sample

230129-grzptsbb44
MD5

9589d70973b25b23ef6463febfa1d232
SHA1

3e59cb26229c9668141d591b7ef6ddad51da1bc3
SHA256

2fa5adb1940605fdf9a3b39af904fe7cc2dba8d70039e1f96829a510242d71e2
SHA512

a0c5a01ed41d5c59014d4e9df9c92bd8c7aed42305508afba6e696f17b7ef085146dd321075fadf61aaf2af8b03d760011aa4d2c5f2b9f9e96c2993c245b7ba0
SSDEEP

3072:4st/N3hi2aPG8896EbLXjClJzpYlyCV3p9vdYiL/gxqq3pJ/YNlK:4ilxVaPG88kEbDjIVYH36CIxqqbArK

Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware spyware stealer trojan vmprotect

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.mzop
offline_id
ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.2

Botnet

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes

profile_id
19

Targets

- Target
  
  79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.exe
- Size
  
  298KB
- MD5
  
  11511ba5fd4de1fc5051d0bcefb388ae
- SHA1
  
  5e9476f39df92e01d0952e703869e71f85d470cd
- SHA256
  
  79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a
- SHA512
  
  904f0e3a252cd0ef8108492de955ac520008b10b66da736cc4bbdc6a8c3736440a9a11edb73707ba415d7f3f4c2c590dfa983aca01864b9d66a6c3559ed744e9
- SSDEEP
  
  3072:0pb2LIT54Ga9Qzgp4gaCJrSjgBoMZmYKxQCBnIyCSyxzID1C7hZW0KIsiuNZ:xLIKGa96dfkBoMsDlqSwzIDM/KPP
Score

10^/10

smokeloader backdoor trojan djvu vidar 19 discovery persistence ransomware spyware stealer vmprotect
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- 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
- Executes dropped EXE
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Tasks

Resubmissions

Sharing

General

Malware Config

Extracted

Extracted

Targets

Detected Djvu ransomware

Detects Smokeloader packer

Djvu Ransomware

SmokeLoader

Vidar

Downloads MZ/PE file

Executes dropped EXE

VMProtect packed file

Checks computer location settings

Loads dropped DLL

Modifies file permissions

Reads user/profile data of web browsers

Accesses 2FA software files, possible credential harvesting

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2