Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:05

General

  • Target

    1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe

  • Size

    332KB

  • MD5

    2c7509903bc0eade4f46babbfccb21f2

  • SHA1

    7085ca3f6ee7b953f01259586e9b900b42e4cdd0

  • SHA256

    1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b

  • SHA512

    6680b60a2ee0e8363c4b76426bc2b332eb7b377ffd701ad3262b75f06d024b6c634e8587dd75a5fae1aeefb17d8bf0a72977ce1f90e02c4e33d13c90066af29a

  • SSDEEP

    6144:bjluQoSsqaxIo5R4nM/Thz5bdboSK9OHAl5SjRfraLPhPRgqllyTPCYwjKpFGyNS:bEQoSx0q2ZfKsgLS9frghGqjyTPojKPQ

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe
    "C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe
      "C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe
        "C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:856
    • C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe
      "C:\Users\Admin\AppData\Local\Temp\1a88a76e65ae59b5e70300048bcb2425db14698ceff32a6d9878d8422610438b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\gang bang lesbian titts (Tatjana).mpeg.exe

          Filesize

          2.0MB

          MD5

          a4bd81082bd8258ee71460744a921c9d

          SHA1

          ca89e00f4f774cbbb48e5dce286ff6a9a2488a3c

          SHA256

          d4c2d730d4536e85a2ec1a0ab7ff0c7b2f0c2a15042664c7de8c2b097086dffb

          SHA512

          9409257bbe2f1e0a66892a041796354cd5f45b770aa4a62b7e1b70afa2f81c1e617676d4e8d6d2d1a97bcb59fc3d46b63774a64571310b07119d6ca0196f2fe5

        • memory/856-162-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/960-0-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/4080-161-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/4836-30-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB