Overview

overview

7

Static

static

3

c1a7d33e6b...31.exe

windows7-x64

7

c1a7d33e6b...31.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-03-2024 22:08

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General

  • Target

    c1a7d33e6b9694aa57d86b980423ddd877139efbd542f10096fec7609583dc31.exe

  • Size

    1.1MB

  • MD5

    503daa439879c6805cf54a8fcf6a1ece

  • SHA1

    3d38e0d18c2f9fcd0d24cfbc9c31532611bda47e

  • SHA256

    c1a7d33e6b9694aa57d86b980423ddd877139efbd542f10096fec7609583dc31

  • SHA512

    af37f816c8afa8f5bf9ea5f4f022b4dde1d9253a09f3269f2cf3cf1334a2cdc50da768fcc2c4b88246c28e49ab5908a2aa93fec5030599a0531abd276586749b

  • SSDEEP

    24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5Q6:CcaClSFlG4ZM7QzMZ

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1a7d33e6b9694aa57d86b980423ddd877139efbd542f10096fec7609583dc31.exe
    "C:\Users\Admin\AppData\Local\Temp\c1a7d33e6b9694aa57d86b980423ddd877139efbd542f10096fec7609583dc31.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:668
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1764
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:528
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1572
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
    Filesize

    92B

    MD5

    67b9b3e2ded7086f393ebbc36c5e7bca

    SHA1

    e6299d0450b9a92a18cc23b5704a2b475652c790

    SHA256

    44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

    SHA512

    826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    696B

    MD5

    297aff64991480fd92a4ce9fb4d40807

    SHA1

    c586f7003f854f442db26448516e59826dfe41e9

    SHA256

    5137a62e031c71093a7d6c2684519614bb5eed80fd8daa92912f085a6ab82b8a

    SHA512

    f7a2fae80f26e6fb846ec9675c5a03932c8bd842d75f68cdb05c2f18e9397ed32774ce0a1f495e5618a5ce1b37e088c8991a69fb999559d1e2b0dd360cc96b4f

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    753B

    MD5

    a4da31648189bd6748b9edf48d059fb3

    SHA1

    60f443dc13556dd3f90bbae3086d2bdfdca06875

    SHA256

    e7bbd8a067fa79b827daa2fa570c274d7c5d25e02006affbba992f6ea9406240

    SHA512

    8a5fc53c81a7701a1c48a0a5c3e012bf2ccbf3cbf43cb82cbf2fbfe1221712218c9077964d320cd18a714cd933eabe1a104a902766adc245f68909f4e45ab77f

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    f34d80cfc0eb52946905e1aec940018c

    SHA1

    b4a82faabec238b6cf97884ddbf847d9872f87ed

    SHA256

    dc29049a0fd1f2f100e8c86e0388e485313639305b003f5a15156bf580490907

    SHA512

    4a598079e66cf7d4a11ee02751d08f1af15c07e2642daf2457a04e22f2d53d7c2a2df29f592b92fd2798321f2c2d60fccc596211ba0c158bc0cb23d0de19b9c7

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    042b185d443f09182164a6d4becf37a7

    SHA1

    8d3033a3aa67f71d3d4c3a566d44c1d0823090e3

    SHA256

    a479aa804ccfe817e841c2af3cb2cf04e66a8e21d0402957d2552a7033c88cfd

    SHA512

    83304f02ce1b77ac7e01534f430bf7fc911b062dec907b0f476d5d6681f16b654d93ef465a95b2a1f45bdddcb946ef5ae7d1d97aefc08f80f76887a216a04654

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