Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 12:28

General

  • Target

    a5d93c31b71ddbd1ba94ca209a381990N.exe

  • Size

    338KB

  • MD5

    a5d93c31b71ddbd1ba94ca209a381990

  • SHA1

    a13ec8a6b50b1d58775e4316ccc54c56e54516fd

  • SHA256

    3df874113284df500cfee2b2c1443c63664311880dce00e6b658b26733219f97

  • SHA512

    92c16cfa0faf9942fb5497dafb3439ae267ececb58e4406869b9f25be53b720542c0cef281f7154ba4ba1579e16f882548ef4d3dd1ea555075656667194ad7eb

  • SSDEEP

    6144:sumNLcvUqhBYn9paYst+jS2jskUvHa8hB5XjfYJMiF8XN6MmlB2dKxiBDF03AFU:sudvBPYOT8e2jskUvLZX7SM484B6K+hM

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5d93c31b71ddbd1ba94ca209a381990N.exe
    "C:\Users\Admin\AppData\Local\Temp\a5d93c31b71ddbd1ba94ca209a381990N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\ProgramData\d0688PiHeMnP2336.exe
      "C:\ProgramData\d0688PiHeMnP2336.exe" "C:\Users\Admin\AppData\Local\Temp\a5d93c31b71ddbd1ba94ca209a381990N.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\d0688PiHeMnP2336.exe

    Filesize

    338KB

    MD5

    544a160a9753b8b4a48f1dd18bab7f24

    SHA1

    9996943e2ddd05c2260cb98c0cb4d28066ff2928

    SHA256

    f76ebcee67cbbf82a3d8f547a3fd2f900d513b72d72c429f69cd6808098f3223

    SHA512

    9450bd5429136ef381b2bcf1626389c1a644d7c2512aefb82739a6a16e966c451147951b33ac525d87cf46f21f6fc84a67b0f3378a9ecc0c73c1195f72296cd8

  • memory/1388-2-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/1388-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1388-0-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/1388-4-0x0000000000473000-0x00000000004C2000-memory.dmp

    Filesize

    316KB

  • memory/1388-18-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/1388-16-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2688-25-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2688-26-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2688-36-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB