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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2024, 15:17

General

  • Target

    32a08b587f9ca8638ab8e2ccf72c0763bd45a73c9b32d07066cf62a2e94f1b6dN.exe

  • Size

    38KB

  • MD5

    f149768634bc97725c0bcef7b4976f40

  • SHA1

    ad9193c31cbe5114429130b20e2c016ebd93a852

  • SHA256

    32a08b587f9ca8638ab8e2ccf72c0763bd45a73c9b32d07066cf62a2e94f1b6d

  • SHA512

    5bead3cbdde9179107e8bc0a58f1ac40bca508d9f13ab0eb58d84729d262324cbe8ef37dc501bb3be7f12193328e6133391f712d7a98a27a3b44a83f33eafab9

  • SSDEEP

    768:Nzj1JegVa3Gry+uELEmITCs/NUZ6nZdYbCLECkrQoP9fmF2f1cE4:NWQa2TLEmITcoQxfllfmS1c1

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32a08b587f9ca8638ab8e2ccf72c0763bd45a73c9b32d07066cf62a2e94f1b6dN.exe
    "C:\Users\Admin\AppData\Local\Temp\32a08b587f9ca8638ab8e2ccf72c0763bd45a73c9b32d07066cf62a2e94f1b6dN.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\sc.exe
      C:\Windows\system32\sc.exe stop wscsvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2136
    • C:\Windows\SysWOW64\1230\smss.exe
      C:\Windows\system32\1230\smss.exe -d
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\system32\sc.exe stop wscsvc
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\1230\smss.exe

    Filesize

    38KB

    MD5

    51438c92fa6c3cc78e8965b01a6ffa36

    SHA1

    b0b25d71cbc23894560266da5b0a1031ca307125

    SHA256

    00fe186f37ca6cb660a77f26204123a3072a3d4ce69cf519d81600ccb4b273e3

    SHA512

    d3babac8a69fc35ca7cd8c2f7a76ca586b5996bd8fafe0debc7abdaf19ec512c8faf183a3c3b0d730288fea5097c0c8ac7980392267a30c9fcf81be1bb44a916

  • memory/1864-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1864-12-0x00000000002B0000-0x00000000002D2000-memory.dmp

    Filesize

    136KB

  • memory/1864-11-0x00000000002B0000-0x00000000002D2000-memory.dmp

    Filesize

    136KB

  • memory/1864-19-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2236-13-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2236-21-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB