Overview

overview

10

Static

static

10

88968c3b8e...c6.exe

windows10-2004-x64

10

88968c3b8e...c6.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/08/2026, 18:04

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General

  • Target
    88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
  • Size 1.1MB
  • Sample260830-wnzb8ayxcs
  • SHA256 88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverydjvupersistenceransomware

Malware Config

Extracted

Family

  • djvu

C2

  • http://zexeq.com/raud/get.php

Attributes
  • extension

    .tgvv

  • offline_id

    hZRMDGn2o1XdryxaQbOJI60EuHBvAbPnWEccdDt1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-OQnsJqCOOl Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0734SwOsie

rsa_pubkey.plain

Signatures

  • Family: Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • Detected Djvu ransomware 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 TTPs 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
    "C:\Users\Admin\AppData\Local\Temp\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\8d1724e6-2aec-4492-b173-61ef3af41f15" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:4892
    • C:\Users\Admin\AppData\Local\Temp\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
      "C:\Users\Admin\AppData\Local\Temp\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2528
  • C:\Users\Admin\AppData\Local\8d1724e6-2aec-4492-b173-61ef3af41f15\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
    C:\Users\Admin\AppData\Local\8d1724e6-2aec-4492-b173-61ef3af41f15\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1968

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        70825F0EABF2526E540CA0F7C268D189
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\70825F0EABF2526E540CA0F7C268D189
        • Size 310B
        • SHA256 d04ebf126274f1341ffdb975039c2a86293d2b23049468074eb7f58c22241412
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 1KB
        • SHA256 63b14543360f5e89942ea8d5113526e64fbc71c1207328f0136b3a495d921dd0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        B46811C17859FFB409CF0E904A4AA8F8
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
        • Size 528B
        • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        70825F0EABF2526E540CA0F7C268D189
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\70825F0EABF2526E540CA0F7C268D189
        • Size 192B
        • SHA256 7cd538134d4365141c441a84cba6116ec0c6996223fbf6eca46c91e1e6f48b10
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 174B
        • SHA256 1fc4dd390f379f09651ae95a40a0cda2bb0274640fee7bd100961b9e947959e8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        B46811C17859FFB409CF0E904A4AA8F8
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
        • Size 170B
        • SHA256 65dc45fb6205271c430d74dae07f6608dc1e1130425a4ca7bb67b3a507abe75d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        build3.exe
        • Path C:\Users\Admin\AppData\Local\4a0fe200-ecd6-44ac-83b9-e4cb79b0ea50\build3.exe
        • Size 437B
        • SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
        • Path C:\Users\Admin\AppData\Local\8d1724e6-2aec-4492-b173-61ef3af41f15\88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6.exe
        • Size 1.1MB
        • SHA256 88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bowsakkdestx.txt
        • Path C:\Users\Admin\AppData\Local\bowsakkdestx.txt
        • Size 449B
        • SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
        • MD5 SHA1 SHA512 TLSH
        Submit Download