Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 18:51

General

  • Target

    1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe

  • Size

    115KB

  • MD5

    23e7d82f0e65b94fda4e31f169190a9d

  • SHA1

    c661d9da4cce77132d1ca80b9ac0396360f46fe6

  • SHA256

    1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd

  • SHA512

    ba6147ed465d44e8ccccd898a98593c39ce771740e72da625f0f42a7ee13d846ff34545e0efbe309fc22f0fef132226926cb3a7c9322ece9c2f869ac86ab1a0a

  • SSDEEP

    3072:t/jbLl/gvQoutA1Tj4mYWR/R02XDU3nzMVUxi1D:VjluQoSiIo5R0Wo3nzh41D

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 8 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 8 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\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe
    "C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.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:4668
    • C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe
      "C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe
        "C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3208
    • C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe
      "C:\Users\Admin\AppData\Local\Temp\1314259fe21d8ee8102c8ed70c9b2e90113c085daa1d5842af6ccd53778560cd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2100

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\horse [bangbus] .zip.exe

          Filesize

          920KB

          MD5

          adb9367884da0fa836870b96edd46011

          SHA1

          0fcce10ff2186f30f4741b05009e29955c65a03d

          SHA256

          b22bc787c2937522b1bffd84ac12ba622cfc6bf62cecca9090d2111958a9a312

          SHA512

          91ce44359622a2c8a6e83471c4a82d0e2b9b6a673a1a0e7fbbf00eb2b2e1890b01a25516560da737f46c4573727e9edf480d53dd3e22ad356a6de3e081ea535c

        • memory/2100-165-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/2100-197-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/3208-199-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4004-61-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4004-196-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4668-0-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4668-193-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB