Analysis

  • max time kernel
    36s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 13:09

General

  • Target

    c1b35d3d70c59a66a35ab7e4981ee3459571af1e43997a334bac1c073485fec3.exe

  • Size

    164KB

  • MD5

    2fd61f699532fe2b0691422aa285ba17

  • SHA1

    bc9996b712c71319508a946ac2a004a131592438

  • SHA256

    c1b35d3d70c59a66a35ab7e4981ee3459571af1e43997a334bac1c073485fec3

  • SHA512

    2f3788cdd321836901b64797854c0c9074fb3c7abfcce11a026087903171aa5df9e2adb7affd4d0c4e06cd1218e5b86d121e96608a728690160df88d2a51c5c8

  • SSDEEP

    3072:FHixaVZFiOCDJtOicNDWEzZwb6KoGXHIENB:FHigLF5CCj5zZwOnGXH

Malware Config

Extracted

Path

C:\Users\9557yb6-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 9557yb6. 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/AC3B72BF6D91F618 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/AC3B72BF6D91F618 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: dKVXs9mAAotRgS7ka3GGtVlRCw6GYDRQ1FbwRCk+9hhVV8hDXM7CTO1+AauvE7D9 j+jCndW67ewWPLlVTljy+bchAGv2ikLYpqvYIgoeZQoF7ktD5uPkdqzc+QnYDqVC EbXsO5db5JOIDC4weyX7d0WDqETnGKsOSSiZqftTopvTLC06X636cG3dxzif1aEf 6LSAIUOZpY5poYvDlB+33kgRuomMZT+CVSYgkv0C3Dj3jHLnLPXFijoxUZBdLoVd tNgqH93bnyDXx+rKOlJfiNTMmbw3xlM7NxVU9Gkm79i2nf8YxsRMMhUymxlEFIqm DATTRQqY6Q1g0jsxS6aaVRmsKwZ7z4ckkv3R1PrZCqdTcG9jtRAXS03Q5HiHVFy4 gRPZM8AHfNsoFE/8bM4gBxM/MFK+trKFVUx242KJ7fxkFyMttnfhCfbBAqtxU2EJ YmXH2t1JSzOH/BNuxvbNxK8e6DPdxzKz+2yeqSLKwpAxOJ5mzrg9GIUSPIQTZp2u sjjzPBQVaKBQyNrcPQH/v9PhYcT4LUUBFxvJgznbRY/XtxoOE6rZG7CNfXGJCGQJ 32qAbxV2DZOQtpRcFvqXAvghyeznw+BI7giSpjEhaonhuEQ/tDHAsQPFOYCmABu5 13KyWB+n/tbJVAgvUv8v7637aq3xqaYtWmQ9odfsVoGb5XpTOvLuk4jJkZBAvYm+ DHRRlGpfp3Y+DwB8A4GueNCNhdUQYOXwzhJ/qUU4EZHM+E9yry1dlrh/80epvROs tn+AwB9sFa2NHfDzfTFjgKVv36H2jrxRaseXFDJhUsRlM3RMiyz0JDAWrxPUnvTi moW7o4b1K1rXmepcUs+UEHUVmyp2iw99lTSsgmsNMUhuzHIC/GArHaDy5kcg+ymD bnJAj0i1lclznQl2uCBYwZqO5jaRTL7LC3QrDlhNTu1NyTiEIT5EvB3x15e9IEM9 6TBiOnXPg1DjVn8mnmPUqUNwM5zXMD4Qt6bYeLNzlaXmZMX8aEKzzwsSxUCF+QCL rssb//DnD2hlV5Es6AWwoONlTEB71SqVNRgyazv43mcNNE7wtAjw0h89d1ly/h85 XXag9Sv+vTfwUiJ4QHnmh1CJEE4oOOgPa2kEwxCneoU76JGx2yydubvbqwyOWDPu eZxDSvZJdP7z2jDudiG6VYihsiIuC7XJMlwLHmrUovlN4evfMIlwv0c2+ixdtkR8 J1kO0Cqx10buxfUZ6Lo= Extension name: 9557yb6 ----------------------------------------------------------------------------------------- !!! 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/AC3B72BF6D91F618

http://decryptor.top/AC3B72BF6D91F618

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Sodinokibi family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 41 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1b35d3d70c59a66a35ab7e4981ee3459571af1e43997a334bac1c073485fec3.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b35d3d70c59a66a35ab7e4981ee3459571af1e43997a334bac1c073485fec3.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2568
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\9557yb6-readme.txt

      Filesize

      6KB

      MD5

      ca7cb55e7fcc5169251e25f086c03ca3

      SHA1

      8510153286ddd9c9c82eea264f9b0b5f989300fd

      SHA256

      ae085176aef9f32d979c3d3845838629b75e160da1e1f45972d685af8d385a4a

      SHA512

      0948ba577289b5f01f543472836f4ad140a63b6481f09d9f38881c7539319dd3494021ad251dcb665dc9dc92076e319dd4d9e009ca8a71976752a5c3947a763f

    • memory/808-10-0x00000000000B0000-0x00000000000B6000-memory.dmp

      Filesize

      24KB

    • memory/808-7-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/808-4-0x0000000000320000-0x000000000033F000-memory.dmp

      Filesize

      124KB

    • memory/808-24-0x00000000000A0000-0x00000000000A1000-memory.dmp

      Filesize

      4KB

    • memory/808-8-0x0000000000090000-0x0000000000091000-memory.dmp

      Filesize

      4KB

    • memory/808-5-0x0000000002600000-0x0000000002709000-memory.dmp

      Filesize

      1.0MB

    • memory/808-3-0x0000000002370000-0x000000000249D000-memory.dmp

      Filesize

      1.2MB

    • memory/808-2-0x0000000000AF0000-0x0000000000B8F000-memory.dmp

      Filesize

      636KB

    • memory/808-1-0x0000000000D90000-0x0000000000E59000-memory.dmp

      Filesize

      804KB

    • memory/808-0-0x0000000000070000-0x000000000007A000-memory.dmp

      Filesize

      40KB

    • memory/808-9-0x00000000000A0000-0x00000000000A1000-memory.dmp

      Filesize

      4KB

    • memory/808-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

      Filesize

      24KB

    • memory/2652-17-0x000000001B510000-0x000000001B7F2000-memory.dmp

      Filesize

      2.9MB

    • memory/2652-19-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-20-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-22-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-21-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-23-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-18-0x0000000002230000-0x0000000002238000-memory.dmp

      Filesize

      32KB

    • memory/2652-25-0x000007FEF54A0000-0x000007FEF5E3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2652-16-0x000007FEF575E000-0x000007FEF575F000-memory.dmp

      Filesize

      4KB