Resubmissions

23-08-2021 11:22

210823-emdxssf3xx 10

29-06-2021 07:03

210629-eb8ghw1fma 10

Analysis

  • max time kernel
    300s
  • max time network
    261s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 07:03

General

  • Target

    e25eaaac03aa958688cbe950275156169eb4955e145bc9627fcbfb36cd832a84.exe

  • Size

    116KB

  • MD5

    d1c9c12e08c8e2111da989e2318b1c42

  • SHA1

    d0c7f3c8de28d0fccec9d4925afeb5fa9dd62b5d

  • SHA256

    e25eaaac03aa958688cbe950275156169eb4955e145bc9627fcbfb36cd832a84

  • SHA512

    152f93308e6d15910e01d77c74bb86284e5929ece91627c1aa82fe5050f7a233e3b27a6c5834110478789d5d845c49775c3473b3ee838488f1cd19c6af17312c

Score
10/10

Malware Config

Extracted

Path

C:\0q43lemo1-README.txt

Ransom Note
---=== Welcome. Again. ===--- [+] What's Happened? [+] Your files have been encrypted and currently unavailable. You can check it. All files in your system have 0q43lemo1 extension. By the way, everything is possible to recover (restore) but you should follow our instructions. Otherwise you can NEVER return your data. [+] What are our guarantees? [+] It's just a business and we care only about getting benefits. If we don't meet our obligations, nobody will deal with us. It doesn't hold our interest. So you can check the ability to restore your files. For this purpose you should visit our website where you can decrypt one file for free. That is our guarantee. It doesn't metter for us whether you cooperate with us or not. But if you don't, you'll lose your time and data cause only we have the private key to decrypt your files. In practice - time is much more valuable than money. [+] How to get access to our website? [+] Use TOR browser: 1. Download and install TOR browser from this site: https://torproject.org/ 2. Visit our website: http://4to43yp4mng2gdc3jgnep5bt7lkhqvjqiritbv4x2ebj3qun7wz4y2id.onion When you visit our website, put the following data into the input form: Key: jhYzXjopSSeMWN5HDAUAv50qdq06/LOZs1t5MY0KjKOzy/1WLS1vWQ4h7Lwq7Avi nMMhoA37mNU7SRkS46AU1BdC8srS/c1AhVudwKm7dAoOuWsu2amEtSGrgIC3p5PY X7hg6UiC/o/85i1M5R/BCmIJAQUKL3aqGPhiPuFEbD/gBhqwJ28IBeNdo5UkbCL+ z4HsYufiKE1ftxOl9uUXdzvwLdXMSc+esUVPXOvT+ZLqcxcWcmvdBzBpBu9iK0/q i8xb0Vsqs/B1tjlESfVBK5CXGBE7XD6cY7RIvDfF7NfAhXDfcvDQMnD/MFc1ADgQ u3sBzdpjfdpkdib9paWfn/GU1m3r0z8ZR19AJT/cD339B1dZuOBMvoZkYe5JCDUm Bca7yMZ9Btep9122a8t6G/rqKiXSPFc6EIvI6gkFWu+L1tdS8icPSLRTCIvvKH/A WTlRlg9EaWLXlHnnK0AuPWcuPQKnsGopavcdSkWv8hOk6t/8j3mQFpaOI9MSYZPm tkpqmzCmfxUyU6A1M8mbqWrF8Qb3rKnRy1h8rF08nxTaer8tBI5jnHxI11cwQ8Dr oPOLfNwaKPITUaabpaOTyhx9ArEpWr+APdBsWO0eAi84cAJJSmIcPBvi7hbGSy3a tU7/1N79bnqkTtLVnZt6UO5mEmqGnnjvcb1pDoi7CEYahQzYEtPWk6rz+peZ/CO7 E7+FYRO74g4xV9gF6GTekHW56+2spBlHODlG9SiO8n4bN/FDqj3aU0KmFNS3t23+ qU/U8/U9l9lflrGMG3vxXIkdPMnhPXo6gSjuBYYK4KmJmL0z4KCwVgH5r5m7YBhd FQ/i84mopbnCt/OcOsBobeZXYjYuRSO5jBPWI/zewKQ2JmirzWBpH8hSrbkbPQQ/ eTR8vek1BZWUuJRh7Hzuv4l7GUT1IhibLlfHHgpYo/YjAp4AHVEwem51CPa9gQnz RcVHZ0ETfp2+iR8QypszeYQUn2jphrpmFkP+P3f6DqKw+Hvt52wGWVHnGkTzxOas bv2L5IkttEc90nK+ptUvHu43HHbFSvQQ/p1rTjir8gNzbRv9eGRPhlk+gSNVx+wd DW9OtpKU/im6YFDQVWIqWNYyd7Zsc8OXF+ZhqHakcwnDNI8INM077oYjTtPFMN89 KOKSbp35SYlPqMA4OOt1mGjh8QfeHpeBFFmuTFXquzjboBLrJsMEOx9eKXnadcmf ymt1YACJuLWIUGIbUwBRL7ZWC3AisqFKz83FX8z1RNhtKkjc43AxTTMRFBwSAstS tNgOHGvDlS2wA63Rv+tEiQOa !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software or antivirus solutions to restore your data - it may entail the private key damage and as a result all your data loss! !!! !!! !!! ONE MORE TIME: It's in your best interests to get your files back. From our side we (the best specialists in this sphere) ready to make everything for restoring but please do not interfere. !!! !!! !!
URLs

http://4to43yp4mng2gdc3jgnep5bt7lkhqvjqiritbv4x2ebj3qun7wz4y2id.onion

Signatures

  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e25eaaac03aa958688cbe950275156169eb4955e145bc9627fcbfb36cd832a84.exe
    "C:\Users\Admin\AppData\Local\Temp\e25eaaac03aa958688cbe950275156169eb4955e145bc9627fcbfb36cd832a84.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4248
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4276
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:908

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    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/4248-114-0x0000000000000000-mapping.dmp
    • memory/4248-120-0x000001C9743D0000-0x000001C9743D1000-memory.dmp
      Filesize

      4KB

    • memory/4248-125-0x000001C974580000-0x000001C974581000-memory.dmp
      Filesize

      4KB

    • memory/4248-130-0x000001C9723C0000-0x000001C9723C2000-memory.dmp
      Filesize

      8KB

    • memory/4248-131-0x000001C9723C3000-0x000001C9723C5000-memory.dmp
      Filesize

      8KB

    • memory/4248-137-0x000001C9723C6000-0x000001C9723C8000-memory.dmp
      Filesize

      8KB