Overview

overview

10

Static

static

10

2024-09-07...op.exe

windows7-x64

10

2024-09-07...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 03:48

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General

  • Target

    2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.exe

  • Size

    1.1MB

  • MD5

    0d76c9ac68d551cd1ab4301e8d091bde

  • SHA1

    7b1866e55134fe8e69219fc8f8a8e0f515716e22

  • SHA256

    4465b2c67e0fa589fe083bf917f53fce72c39d2a0e34f7598d20d565394ca22b

  • SHA512

    85078f3c03f6c9ec7d26750a19f4dec1ffcd70fe0ef4523f2e90f6a6a64a1abf761a5cc6bfdbe48bbba65a7be58d98244caf99d2a8eda1ef5e0101c77e64f3f0

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8pWQHUq7:F0dwAYZt6C31WeTVRPOhp7Uq7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cosw

  • offline_id

    fTU4hYOJ0niv7WAg9utRTzxXv2TcoEvGPJhzIot1

  • payload_url

    http://uaery.top/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-hhA4nKfJBj 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: 0658JOsie

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 1 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.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:1852
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\a8ed5e8c-a70e-48f4-8bea-0e729b959f8e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:1180
    • C:\Users\Admin\AppData\Local\Temp\2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

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  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

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  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
    Filesize

    174B

    MD5

    fd3c0ad315a0195f5be011cc45f5e702

    SHA1

    7d95d4551dbf680271879bc8fa3b841ab8668186

    SHA256

    597f42c8fd8034eedfd5da183a64fad04824ad58a3e948f79cdf3b20cacc0e0f

    SHA512

    2052fc4e06a675586bbcff930abd500ee69a77e5cc5a915ab228428a0134d981d6cc91f506b430ca586a0787c24124554f053d0799b2ff20a8f752933c24d613

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  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
    Filesize

    170B

    MD5

    3d16445742f3db4db4467020fba1ed79

    SHA1

    cebb1197ac82c4074e4251076655104c7de87e09

    SHA256

    8418924710930391d72247403e7dddc46490146129099310318f6fb41038ba40

    SHA512

    5aa1b8c5e804ab395564c572931cee79e4f3f1b7e07920dce9778fbb94defff6b76665b52a17fdb84b02032d54979eec35a46e5b8cdc85067b82c5cf5a8dd5df

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  • C:\Users\Admin\AppData\Local\a8ed5e8c-a70e-48f4-8bea-0e729b959f8e\2024-09-07_0d76c9ac68d551cd1ab4301e8d091bde_stop.exe
    Filesize

    1.1MB

    MD5

    0d76c9ac68d551cd1ab4301e8d091bde

    SHA1

    7b1866e55134fe8e69219fc8f8a8e0f515716e22

    SHA256

    4465b2c67e0fa589fe083bf917f53fce72c39d2a0e34f7598d20d565394ca22b

    SHA512

    85078f3c03f6c9ec7d26750a19f4dec1ffcd70fe0ef4523f2e90f6a6a64a1abf761a5cc6bfdbe48bbba65a7be58d98244caf99d2a8eda1ef5e0101c77e64f3f0

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  • C:\Users\Admin\AppData\Local\bowsakkdestx.txt
    Filesize

    449B

    MD5

    caa078f0348cda98328127c142e3bfed

    SHA1

    e38274d642c806a3affcca8f7e37b61f591c47e6

    SHA256

    91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219

    SHA512

    2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

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  • C:\Users\Admin\AppData\Local\cb53618b-81f8-4627-8f01-8fca1cdec8d5\build3.exe
    Filesize

    437B

    MD5

    6910426a598bc0b07dd6ca7c2faf5c22

    SHA1

    4304d65a08652b167453997e1464cc6ef034be23

    SHA256

    ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692

    SHA512

    5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

    Download Submit