Resubmissions

09-04-2024 13:34

240409-qvlrtabe9s 10

09-04-2024 13:34

240409-qvk6aabe81 10

09-04-2024 13:33

240409-qthzjabe5z 10

09-04-2024 13:33

240409-qthc1abe5y 10

07-07-2023 11:45

230707-nw632ahf6w 10

Analysis

  • max time kernel
    192s
  • max time network
    288s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-04-2024 13:33

General

  • Target

    Windows Driver Foundation.vbs

  • Size

    984B

  • MD5

    df00d1e54f85ae90f2f69b73a34c90f4

  • SHA1

    1d3e521a8efc17334f4f578432d5af0bb1ef1951

  • SHA256

    2c5907389d374ed9efb86194a7f0f954349c93a7bc67b99c3d6b59bfc0d8296c

  • SHA512

    5636973f61dd7cce413049f246b5ede00c736f4ac333508a2176b65524327080e17ac97260cbe908fc2d0b18235ee6d7f7a74c808a7ceaddb9ee6518452fa618

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://files.catbox.moe/fvl5hy.jpg

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Windows Driver Foundation.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\ProgramData\rrrrrrrr.ps1"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\rrrrrrrr.ps1

    Filesize

    437B

    MD5

    3ad705568172956efe092dfac809642c

    SHA1

    d34bfb981dd4478998ec767879ea00cd6406c496

    SHA256

    4247e7a94a7fd5e4266622a37d91770dfedb12587aff4c2ece7812c56bd2c1fb

    SHA512

    ef89e5b7eec05f3d9bbd2ab1fdd011c0917ef6241f6f0afba139860578498971559e2c66041c70b28a91fb09fdbb67eeee1d8a75179c65949028b45ecc813f97

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ietgryrb.doc.ps1

    Filesize

    1B

    MD5

    c4ca4238a0b923820dcc509a6f75849b

    SHA1

    356a192b7913b04c54574d18c28d46e6395428ab

    SHA256

    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

    SHA512

    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

  • memory/4388-5-0x00007FFE28E60000-0x00007FFE2984C000-memory.dmp

    Filesize

    9.9MB

  • memory/4388-6-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB

  • memory/4388-7-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB

  • memory/4388-8-0x0000021370520000-0x0000021370542000-memory.dmp

    Filesize

    136KB

  • memory/4388-11-0x00000213706D0000-0x0000021370746000-memory.dmp

    Filesize

    472KB

  • memory/4388-31-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB

  • memory/4388-46-0x00007FFE28E60000-0x00007FFE2984C000-memory.dmp

    Filesize

    9.9MB

  • memory/4388-47-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB

  • memory/4388-48-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB

  • memory/4388-49-0x00000213703E0000-0x00000213703F0000-memory.dmp

    Filesize

    64KB