Analysis

  • max time kernel
    172s
  • max time network
    187s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 02:20

General

  • Target

    2d2d040b3d70c83082f80fcaf37823d0d5c0b9851749ce1c46828abc3566e6e8.exe

  • Size

    164KB

  • MD5

    274e539799a9d1bdc964c34a19fc7f6a

  • SHA1

    b74f1a239112ab8105444f96d6f1ddcffb189ace

  • SHA256

    2d2d040b3d70c83082f80fcaf37823d0d5c0b9851749ce1c46828abc3566e6e8

  • SHA512

    a4399b9fb1d211c83ce16e67194191147c6c82e9298aa9cac6470ed022cc886914c512cc71ac6cc87e46ca642bab8cb759a5e477a1f979352c3849f126597350

Malware Config

Extracted

Path

C:\8396yhlwqf-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 8396yhlwqf. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/9E716961D4D35F80 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/9E716961D4D35F80 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: 7Wkekjx7wY10qHOHmfJXjy96Oaxw11sP8HHksqbedCtbm+lgRngR/NjE2VFSQKzo 1ymderCxKBmZc1DDGoJVbe7M/BIAY6C2l77W6jsUf5WsgBOBdYy0pbX6nHJS3HDe owIJ0O5K27RetU3HXV27tXOVm+2ZKj1vX2rC171ya8eeMx8mPjI6+/9cS2IWLkAI CfnNBrQ34eXdUHJtKCEPUn59TS6HVeQS4EXBkklB42i8LlIkZTVv2xzuGG+0sEKW kKv3GE7yCFMvy5X7R/dsAGvomrQvzT+I9bqqxGWIhcDqT+eQtre58YWrOBgGwPFI aMHt4baIJni/m68M5a7wXhEy6CLr9DIfD0jxMSwZ4M/ZcXCV5Zn6Si9UMoO3nUH0 z3JAGy+hzHFm9uR47nBlaGBVsbMcjpdHpYuOkKrgZB39PLLuog4FKJazqUpIPpEQ VKlszhq+eV/3wdGUwdUIbImycZBKgRRbHKPpKsH9fAkgFrLb54j++vQBZE1Bkup9 HKn2YL1NDzR/6ZYcqCrn1xywEKn452qkNKvgLUPcA3/BHVMdffmqQ2s2+IqKa4RX URVEpZPO1dGRLOjq4vwRatYZLygLkGweb7s6dQc/xFsgIfYqFyg87K14kkkLBc9S 1KtHzrjEXtVgjvWDzqjAbRyclJEyloAW4DudfFaw6SkpRA0jFSkoOqtbhZhR7lEX GxgU7LrQYNLbhCOhhfsxasBzskFRntpjswKCnabpDaqWbcl054Gwf5q08Lg8WscO iP93hfZZogLcsSB3W3VRhqunYA+E0AQlR9hZXmMKcsfUUjYQiKYI9u72qt0LzTjH fSrAPeSTiYiecz6d0X1v0Ps2Dn6kxuJZdls83aVO65E5YWuiKBerge7A2yNqILKg QUD0UwackY/zIoKF08z/E7XwZTyYvkzihRwfKxmSWxYkcVTz1nqjNtJBcbhU0uqc XjYhCrSwxTKfcH3pEj3CI3Rq0nhL9cg6dz9jF2HrQIcPzljgzNAbGEo2xaiUNowu QFBe5tcvFAnum9Qk3UKk0IlIwNmMBwrpDq1QuLzq1o6T6BSgNUqeGYCzdLjB4Bmi SMCpKqAPA8RNNY9lZ4e8pBS8FNLAuVSy2pxV7Xs3U1B3IPRbudAnOPuEsLVe4NgG aY0= Extension name: 8396yhlwqf ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/9E716961D4D35F80

http://decryptor.top/9E716961D4D35F80

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Modifies data under HKEY_USERS 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d2d040b3d70c83082f80fcaf37823d0d5c0b9851749ce1c46828abc3566e6e8.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2d040b3d70c83082f80fcaf37823d0d5c0b9851749ce1c46828abc3566e6e8.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1236
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3140
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1432

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1236-126-0x000001767C6A0000-0x000001767C6A2000-memory.dmp
      Filesize

      8KB

    • memory/1236-127-0x000001767C6A3000-0x000001767C6A5000-memory.dmp
      Filesize

      8KB

    • memory/1236-128-0x000001767C650000-0x000001767C672000-memory.dmp
      Filesize

      136KB

    • memory/1236-131-0x000001767D1C0000-0x000001767D236000-memory.dmp
      Filesize

      472KB

    • memory/2736-117-0x0000000000B80000-0x0000000000BA3000-memory.dmp
      Filesize

      140KB

    • memory/2736-118-0x0000000000B80000-0x0000000000BA3000-memory.dmp
      Filesize

      140KB

    • memory/2736-119-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
      Filesize

      4KB

    • memory/2736-120-0x0000000000F40000-0x0000000000F46000-memory.dmp
      Filesize

      24KB