Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2023 08:27

General

  • Target

    484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623.exe

  • Size

    3.6MB

  • MD5

    16888ee835bfc3300e58b58ae21d2ffb

  • SHA1

    911e495377c975a73554762f158d0ee5535e1fdc

  • SHA256

    484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623

  • SHA512

    46805fcce1233479023ca000d901544e50480891542ca5e818769ef394b3d3f65888b2a1af243f338bb42682de50f6f45ffc4d296e1cd064361330eb3710b1ed

  • SSDEEP

    98304:SheS9YvPe2AQRTPCKez970Z/6b9HC8ds1m1FE/Daqj+TP5DZxpFsM8c7em/dtDm7:IYvPesZak1m1FSSxNxpFsM8cDW

Score
7/10

Malware Config

Signatures

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

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623.exe
    "C:\Users\Admin\AppData\Local\Temp\484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Gueyxmh.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Gueyxmh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2308
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\484C0D~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Gueyxmh.exe

    Filesize

    3.6MB

    MD5

    16888ee835bfc3300e58b58ae21d2ffb

    SHA1

    911e495377c975a73554762f158d0ee5535e1fdc

    SHA256

    484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623

    SHA512

    46805fcce1233479023ca000d901544e50480891542ca5e818769ef394b3d3f65888b2a1af243f338bb42682de50f6f45ffc4d296e1cd064361330eb3710b1ed

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Gueyxmh.exe

    Filesize

    3.6MB

    MD5

    16888ee835bfc3300e58b58ae21d2ffb

    SHA1

    911e495377c975a73554762f158d0ee5535e1fdc

    SHA256

    484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623

    SHA512

    46805fcce1233479023ca000d901544e50480891542ca5e818769ef394b3d3f65888b2a1af243f338bb42682de50f6f45ffc4d296e1cd064361330eb3710b1ed

  • C:\Users\Public\Documents\pass.txt

    Filesize

    8B

    MD5

    71d864b6b132a9235400af39917131b3

    SHA1

    b79d02acde8be0d57bedef9bd3edeab0a5a066f3

    SHA256

    f4392ea35b8bafc5813b48055be473c4eceb72f11936a67a92cd9086efc2492e

    SHA512

    f331a1c933e016667682d3339784e57f4518305954a7e02643b4deab5ff8ded663232f38190d535457f4351d506f642cea961ea09dc3182c7917f8e483dbd0d3

  • \ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Gueyxmh.exe

    Filesize

    3.6MB

    MD5

    16888ee835bfc3300e58b58ae21d2ffb

    SHA1

    911e495377c975a73554762f158d0ee5535e1fdc

    SHA256

    484c0dd5e888d0ef7153f6b7d9fad5e45ff9512ff9c3b6c031a0c40ce0588623

    SHA512

    46805fcce1233479023ca000d901544e50480891542ca5e818769ef394b3d3f65888b2a1af243f338bb42682de50f6f45ffc4d296e1cd064361330eb3710b1ed

  • memory/2464-2-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB