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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 21:58

General

  • Target

    6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe

  • Size

    1.5MB

  • MD5

    86a351b65b98a06bb0afbfb34c4d28b1

  • SHA1

    dc65aba18afd4beddf1f5c3dcf5e3fd786988a59

  • SHA256

    6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e

  • SHA512

    461c7f612aaf958e67d0a2255d9b92332de2554a778adb396ac9dcf94f1004cb2e93e1d7cade3a3b995848dfbcffd1c72f33dbf704e84754f5810add876da50a

  • SSDEEP

    49152:XEt5VO2e57/SlkxwMjbFezi2RldRtsQ41JHVhau:XEt5c2a7qfMsllftsQOgu

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 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 7 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe
    "C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.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:3652
    • C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe
      "C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe
        "C:\Users\Admin\AppData\Local\Temp\6ac1031e813cd777546285fcc6bc23388c37490b90765910d601e632c9721c6e.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\action hot (!) redhair .mpg.exe

    Filesize

    638KB

    MD5

    eed2debb7d8df82addd37cfc1590ceca

    SHA1

    2eff46a0c22b18b7135f98872579b0b12fb73454

    SHA256

    47afd98c617faa5457eb6d56f61f7dc1bb1ade5ce07bf98a03ff96f0add6645c

    SHA512

    9e54b5461580e39b1a32d4d20dce775ce87d235e28071cb572e7346762fd5129703063f20ccbbdb661a72d16dceacf1ab0abeeab478501f703d5a3bf7d64649c

  • memory/464-12-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/464-191-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2696-146-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2696-192-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3652-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3652-187-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB