Analysis

  • max time kernel
    163s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 04:19

General

  • Target

    abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d.exe

  • Size

    480KB

  • MD5

    3bb8bae41ded94cb3f961f992b5598ff

  • SHA1

    81b32fc9b49fe072afe3dade910ae59df6afbf25

  • SHA256

    abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d

  • SHA512

    3e9001f9fe23bd85fa36599fb5027516698e25ba6e7232bef84e4491840359505125be51841cceecea428c010087da64d61f302e7305df8ac9843fdec3ebedd0

  • SSDEEP

    6144:ELPR3Ff6La0csj61smJp/KynSjLR+guvNH+JWUiuX1UJbiPBy9x:K3Ff70cZsmJpBnG+dFHAPnUBMcx

Score
10/10

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\_ReCoVeRy_+eiwqm.txt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 Key , both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So , there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: * http://t54ndnku456ngkwsudqer.wallymac.com/AB0C85B23396F56 * http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/AB0C85B23396F56 * http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/AB0C85B23396F56 If for some reasons the addresses are not available, follow these steps 1 Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2 After a successful installation, run the browser 3 Type in the address bar: xlowfznrg4wf7dli.onion/AB0C85B23396F56 4 Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://t54ndnku456ngkwsudqer.wallymac.com/AB0C85B23396F56 http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/AB0C85B23396F56 http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/AB0C85B23396F56 Your personal pages TOR Browser xlowfznrg4wf7dli. onion/AB0C85B23396F56
URLs

http://t54ndnku456ngkwsudqer.wallymac.com/AB0C85B23396F56

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/AB0C85B23396F56

http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/AB0C85B23396F56

http://xlowfznrg4wf7dli.onion/AB0C85B23396F56

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d.exe
    "C:\Users\Admin\AppData\Local\Temp\abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\yjxkousmwvot.exe
      C:\Windows\yjxkousmwvot.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1656
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1568
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\ABE4D0~1.EXE
      2⤵
      • Deletes itself
      PID:520
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

1
T1107

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Impact

Inhibit System Recovery

1
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\yjxkousmwvot.exe
    Filesize

    480KB

    MD5

    3bb8bae41ded94cb3f961f992b5598ff

    SHA1

    81b32fc9b49fe072afe3dade910ae59df6afbf25

    SHA256

    abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d

    SHA512

    3e9001f9fe23bd85fa36599fb5027516698e25ba6e7232bef84e4491840359505125be51841cceecea428c010087da64d61f302e7305df8ac9843fdec3ebedd0

  • C:\Windows\yjxkousmwvot.exe
    Filesize

    480KB

    MD5

    3bb8bae41ded94cb3f961f992b5598ff

    SHA1

    81b32fc9b49fe072afe3dade910ae59df6afbf25

    SHA256

    abe4d0fe62e083e04e8c55a9988cdf97a6b1d0229771874ee8c46488d1bdc10d

    SHA512

    3e9001f9fe23bd85fa36599fb5027516698e25ba6e7232bef84e4491840359505125be51841cceecea428c010087da64d61f302e7305df8ac9843fdec3ebedd0

  • memory/520-62-0x0000000000000000-mapping.dmp
  • memory/968-54-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/968-55-0x0000000000400000-0x00000000004CA000-memory.dmp
    Filesize

    808KB

  • memory/968-59-0x00000000002A0000-0x0000000000326000-memory.dmp
    Filesize

    536KB

  • memory/1568-70-0x0000000000000000-mapping.dmp
  • memory/1656-60-0x0000000000000000-mapping.dmp
  • memory/1656-64-0x0000000000400000-0x00000000004CA000-memory.dmp
    Filesize

    808KB

  • memory/1656-68-0x0000000001C60000-0x0000000001CE6000-memory.dmp
    Filesize

    536KB