Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 05:58

General

  • Target

    3f221ec7bfaddef6408ec390f55f0a20N.exe

  • Size

    11KB

  • MD5

    3f221ec7bfaddef6408ec390f55f0a20

  • SHA1

    f8b94fb3a928f0b90f802d0bfc09f39e5ebe41c1

  • SHA256

    0576d4515f0ae1262a0a5d03d0e3fa7d37ce1f15e0aee73bce878286f2d9ce43

  • SHA512

    1769d076660e141b2cd46f12f98f3cf693415d2ca98ed431a12356214a34d63ca1be9020ec0cf1cb26514d2c4c6a78f1ef858ba0e5473f28ee137cf9b6aba2f3

  • SSDEEP

    192:Zg6eHLE5KxkDpnqKjIdtaCRYvRtCk1rE1Ty68A3CuYYpZ7E:G6eHIAx0pqNgHvRtoyhASuYYpZ7E

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f221ec7bfaddef6408ec390f55f0a20N.exe
    "C:\Users\Admin\AppData\Local\Temp\3f221ec7bfaddef6408ec390f55f0a20N.exe"
    1⤵
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\CWUSX.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "xplorer" /t REG_SZ /d "C:\Windows\xplorer\xplorer.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2884
    • C:\Windows\xplorer\xplorer.exe
      "C:\Windows\xplorer\xplorer.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CWUSX.bat

    Filesize

    124B

    MD5

    4e6e99d38b1264af2b53a68c7cd6d648

    SHA1

    55ffe17732d1d9c539d702a1311ef9674fe7b3cf

    SHA256

    168d9cdf4849fde3b4817db207e60934b6c877be439289f3fb3a4eb9e4326ff0

    SHA512

    bde21abed1bfc3dbdd6afc83614aa27c3f33dfbb434e139523ac57ecd84875b0e96a241f5828eda0b055f787ec7f95850b0f4ab0ee752ac36484b2bfd78a859d

  • \Windows\xplorer\xplorer.exe

    Filesize

    11KB

    MD5

    e58b06893aaa15460fdf213188caca51

    SHA1

    7e5a3d2ce0ef4231f46626ff11e6b50872418346

    SHA256

    d837c18c455b50316b2a08ef9f510427746bfd0daf66e767db1bfa6e94734837

    SHA512

    884a84de91d1745e070674f4ac1d41e08acddf14cfde06331bb4dcc892a816f8517a9acb3685d3f97bca32c2e681a571cec4f5f235cc0156c0ad770c3878909c

  • memory/2656-53-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3024-41-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-43-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-42-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3024-40-0x0000000000760000-0x0000000000769000-memory.dmp

    Filesize

    36KB

  • memory/3024-47-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3024-48-0x0000000000760000-0x0000000000769000-memory.dmp

    Filesize

    36KB

  • memory/3024-51-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-50-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-49-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/3024-27-0x0000000000760000-0x0000000000769000-memory.dmp

    Filesize

    36KB