Overview

overview

8

Static

static

8

98638734f8...38.exe

windows7-x64

8

98638734f8...38.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2022, 20:30

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General

  • Target

    98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe

  • Size

    856KB

  • MD5

    2ada1261a00752e2f9cc9d866b8be738

  • SHA1

    2b0e9c8ac109e10a7dbdfc0a7153e3faa29da7cf

  • SHA256

    98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38

  • SHA512

    869596be469f57728f882cec261a1120eea83592c9ed5c5a1e26ad8689331d25969ad87c4dc7dfd4d722057280b8f91c9de0c70e0164e85515e214bc0cc2aa7e

  • SSDEEP

    24576:A8cPH6I336DEcYrRvYlbf0BSXR//olL8YepF6zD1ehg:ArfHPcY9vnSB/c4YepSD1l

Score
8/10
persistencespywarestealerupx

Malware Config

Signatures

  • UPX packed file 5 IoCs

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

    upx
  • 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 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 17 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
    "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.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:4368
    • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
      "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
        "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2160
    • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
      "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2328

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/2160-138-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

          Download

        • memory/2328-137-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

          Download

        • memory/2892-134-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

          Download

        • memory/4368-132-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

          Download

        • memory/4368-139-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

          Download