Resubmissions

09-08-2022 14:28

220809-rtdv9abeej 6

09-08-2022 14:20

220809-rnwtwabdhl 3

Analysis

  • max time kernel
    170s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2022 14:20

General

  • Target

    C3DDBFA5128976101123301D61824D782EA85FA9.gz

  • Size

    8KB

  • MD5

    70ad27f72e13236a0b11658500a8c53b

  • SHA1

    6247cefb7d69c3353d5c7533311e3f55e0e73356

  • SHA256

    a64b4f5529c3e6441fee5699219dfac7501b007a83a84346d2a194bfa24b2a04

  • SHA512

    03e63b659ddd673a80bacd201d42e9e6eac1fff840cb7daca08722acc5ae4660ed5a0b5e437e52f142c83511a928b40eb72058efa90c73861fb4fd7d7a4ae9e5

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 41 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\C3DDBFA5128976101123301D61824D782EA85FA9.gz
    1⤵
    • Modifies registry class
    PID:4596
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\C3DDBFA5128976101123301D61824D782EA85FA9.gz"
      2⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2152
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Desktop\C3DDBFA5128976101123301D61824D782EA85FA9"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1688
  • C:\Program Files\7-Zip\7zG.exe
    "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\C3DDBFA5128976101123301D61824D782EA85FA9~\" -spe -an -ai#7zMap8920:130:7zEvent26970
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

    Filesize

    28KB

    MD5

    e8f86205c3c0dbe27e48c5721e2ad72b

    SHA1

    167656c3a99e90351f566d07014027ccd3ab8227

    SHA256

    6c411e46682853396fc28a33c35bfe7547956b2a6a583b56a3882d723e000498

    SHA512

    7a282caf027501c21c26a5dcde4d8ec89f611e83a80217cb02a5b907cd389f589a594108f1218a74feb85ba012212cb3224502b1cbb926140fad8fa6d0acc58c

  • C:\Users\Admin\Desktop\C3DDBFA5128976101123301D61824D782EA85FA9

    Filesize

    583B

    MD5

    51618ac2b7cf5c4937213e965c00f20a

    SHA1

    7e704e57162ed18743bef9f95e2dea558954751b

    SHA256

    0b41f69e6564b9c89b1b344744c5b06eb4adc0e584028909286d2b936e1afed5

    SHA512

    d07af4309bf8156644d604676eec62cf78128dae1cd1808e865e02bf7302b3dea5b1eda42eecd6e8687c84b85a6a52c07bd45b120b8fe5940d8d80586a2d0fb0

  • memory/1688-133-0x0000000000000000-mapping.dmp

  • memory/2152-130-0x0000000000000000-mapping.dmp