Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 18:24

General

  • Target

    091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe

  • Size

    234KB

  • MD5

    36ea4f0e5583c44848ba59ef59350806

  • SHA1

    c9f18716291ca8cd2772e91eacd98ce7ca8abe6b

  • SHA256

    091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5

  • SHA512

    19a084c812985d7e9a2c20aff3d01583bbcd87b219f9dd1ef5e27f84ef770f2da6b886a605901f962ec0b1ef47078e790bc27ca9430d030766ceed2f3e3b1d52

  • SSDEEP

    6144:YjluQoSPIo5R4nM/40yJN1O2X0FTGoqqPMzjgZ4P6wlUwehSfs:YEQoSpqhv3XmGDiMPgZ1bhSk

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 IoCs
  • UPX dump on OEP (original entry point) 9 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 9 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\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
    "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.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:2540
    • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
      "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4704
      • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
        "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4252
    • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
      "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3012

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\nude lesbian swallow .rar.exe

          Filesize

          2.0MB

          MD5

          3d3e40026616360e0e514b4bb20f360b

          SHA1

          9b8f8186b3d44f7225442e35d2b8041b78882678

          SHA256

          8c7ef2cb12a5e61ae810ba2cf9bc32fd8789c3a84fdaa21bde92b568eb32ba65

          SHA512

          83354884bf0ef128c21fedff4b7730a0f4f736fc8482af68658d8682e6f32f88af36ffff4e3d51edf91e4984b1e3132474ae91fd7ca177de59325c8be5a122e2

        • memory/2540-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2540-194-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3012-166-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3012-198-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4252-167-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4252-200-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4704-92-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4704-197-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB