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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2024, 00:07

General

  • Target

    d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe

  • Size

    342KB

  • MD5

    8ef0b1a83ec9d4129f1573c40d632476

  • SHA1

    2270286ceece24ce3b6ad74998110dfe7c52332e

  • SHA256

    d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453

  • SHA512

    5583d44e0587f5cbee4b8fe775b0ca5e37a925b05b2573ef416a7861d604ec21f5a66cae519ca15efea6d2e8ab16a22c06c1614f68fdf22a8222c512ba974068

  • SSDEEP

    6144:VjluQoSiIo5RbU//+v5bleFjRH1dRKlBQI44nJ915qzSGnf+ly4:VEQoSmE/+v5bleFjRVDKsI44nB5q+Gny

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 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\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe
    "C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.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:3700
    • C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe
      "C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe
        "C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:708
    • C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe
      "C:\Users\Admin\AppData\Local\Temp\d83696968dd8bfc03b32fcab6ccd04fe703dbecfe0e90023d13800c937cd0453.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\blowjob [free] .rar.exe

    Filesize

    259KB

    MD5

    8d77735afb3b87f1a4c3362ba454c8de

    SHA1

    c1b2c80229e509a6ae43389dd4d9be11eb1576e9

    SHA256

    9d5e020f926b76a9fa069715a4c6636b1fbad600a42dbc116c65ea185f2d6305

    SHA512

    a8f9245ea50d1802f64a3b1718257576d8b4d0669addfa20ca32349e33c5fed61f62b214014f27e7ce552ae9c7b7ccea535c864590e1574b8684d5d445df6166

  • memory/456-21-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/456-175-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/708-30-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/708-177-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1624-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1624-171-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3700-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3700-161-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB