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Analysis

  • max time kernel
    1802s
  • max time network
    1808s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-02-2024 08:40

General

  • Target

    v2.exe

  • Size

    121KB

  • MD5

    944ed18066724dc6ca3fb3d72e4b9bdf

  • SHA1

    1a19c8793cd783a5bb89777f5bc09e580f97ce29

  • SHA256

    74ce1be7fe32869dbbfe599d7992c306a7ee693eb517924135975daa64a3a92f

  • SHA512

    a4d23cba68205350ae58920479cb52836f9c6dac20d1634993f3758a1e5866f40b0296226341958d1200e1fcd292b8138c41a9ed8911d7abeaa223a06bfe4ad3

  • SSDEEP

    1536:vjVXKif7kaCtHM7qpo6ZQDtFnNi+ti09or2LkLpLik8ICS4Ao3uZs/WVEdz725sK:J1MZwlLk9Bm3uW/Wud2K36cn/wCY

Malware Config

Extracted

Path

C:\ProgramData\e393rgycyf-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 system has extension e393rgycyf. 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/C30034AB31F9CD81 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://decoder.re/C30034AB31F9CD81 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: 6DLkuo9k2mBjE1ZSnV8M3N4tZrk0p8Pq4Pxf3ms0J3XwCbj9IaRRIKLpOb8BppSx k/5MYm57RQrcDhRhcoyG3f0n9Blv2Ymshbe1p2cpaA66v6SHxURLZr4AKOklsZRl zGn0pDT3+wOI8ANPQ3hsEY2ih+zn1/FVuy2tkr/37diCXXRCw8BtixikFU1KNPWS TCDra4v3RGIvzslWK7GfEDBnbPr1aTCbW09EVyQ1F61A4BJz5teBk+dNsMSzwsDx AIHzfFmKaUC2hmdkbfAdTpKJMAsSUHO53G8aHFRhl5geuHLjkQyAVIjsriC0GyG2 QyK1+QcJdrOvqi79t9wQSGXUb7DXV2+0OrINY/ZZR4Gjg8Voe1cp8VdcgxR3vRhZ AKjDDYBIRB5BJTq+K60HEspROcS5BL2BCyVjJ/B6GUxz20GF3ALRN7H0RkDKFrmp 0XU0EydmlnfDyJMBrTKmPkgh82aqw4BGLRtcJYYn80OgI/YNeMkh6yklm4HVtgXK goe6TyOAqoPeMUTNXgDopCHirJ5+BH4wkfhS88xMinI2/GEjKjeJB+gwUQ5q9+xX 0sR49K5u/swbr53F+rW6RNkRPC8JRwYKYbPBL7upDjKeV0m7m6LvONpGO/XoL7Q4 GTwj4cXqSl0QvkE4saFYcYo2kjJC3K9wpA159s0irsxT0W8qPfhpoypxHExV+D7X MWNudiQmJB6XbYKDwzIzmKEEq1145ry58jKXYIp8yIO0qWgslRAuY1PNQCsxQPla xzpGs013M+Ic3MjlnR+P+sbMzpUIick04bNAZqufXYQ4KM2hL74jMqAnPo2uFwuC nkC2/1gH0g0vean51wdSl2VjL2E2Chsf1spQQjg3ecIFi25XYnT0iqVPp/rR38PH 9L6gPWZ3MnYG7qRBtVKWcFfnozHFuO7FBAEw87B1AjDC5MOFlcSZHXZPu27llMM3 zb5lBG82/ErCk9lilQ8Ro+p586F+ooynyne5627awW2uOmkZvhMqp9WAHJBK4cpT 8Bp1qez1HWVYMnpMRTDuXiHoIJ1mUq1ICop7zAATQoei6YkxnUx3X6IpesAYDkLE XtCy3W6Ugo9ZK3Z/R2MbsglBMEtPigTcNz2cJwsX99mKNtKqlQQYRa6EqHUGYpQ6 LFW5/PheSrNE053GQyg+TJzLNvLWtDVngWLEN611ToMfMsNcsislKAwND/qboZeI JUpM+PAQ0xx74gtorY1pKUMoD7mFpPv754gHjibPfwJvnLMbD8f/dmNg3hWm7RgS rXfqo4W2Oz+8sguOi2UqjCjPNCCmLvsjvoh0H+kXDX7B24bMVB0cJkCJ0R3/VkVr g+iNopF1mL7EHmuYR/HvM3nexPfpI8pdhJRCeM01EBw521aU ----------------------------------------------------------------------------------------- We will use the data gathered from your systems in future campaigns in 14 days !!! 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/C30034AB31F9CD81

http://decoder.re/C30034AB31F9CD81

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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\v2.exe
    "C:\Users\Admin\AppData\Local\Temp\v2.exe"
    1⤵
    • Drops startup file
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2284
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4372
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:456

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\e393rgycyf-readme.txt

      Filesize

      7KB

      MD5

      8ceeb64d9072c9c940c2822ed9e0e685

      SHA1

      5ee00c45463be63fb56642d83f51bf047cdc5475

      SHA256

      67adb7c57accaa810a5f91201ba08399cdc6249e8614b070c0f43255db3a671d

      SHA512

      7983f411282afba0863dd9f5bccf1a41efdea43eff04a247fc22d73e44165590437de0af4922f3249b9c1f78721c5ba83e8a72026096738b542361e97291248d