Analysis

  • max time kernel
    119s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 13:52

General

  • Target

    8ab84636acd4409404c7d2da1ddb0a50N.exe

  • Size

    88KB

  • MD5

    8ab84636acd4409404c7d2da1ddb0a50

  • SHA1

    ec6e40da89afb0c7ac31d57740af0b59382c812b

  • SHA256

    ce30de4b8ae839f956adb07c24635cd872c5ed6d8b895940a22bbde00ea68a93

  • SHA512

    c7d10e7b60c177e194509b2fce34dd9c572a76a60ba9c7d9d5f6bb5fd500ad0793a40d72d52d1bce15e70a7065c5cdf3a7d94bfb0380603a79e567485c7478a2

  • SSDEEP

    1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEi:6D0ctAVA/bmxIMnoKjyR/Ni

Malware Config

Signatures

  • Andromeda, Gamarue

    Andromeda, also known as Gamarue, is a modular botnet malware primarily used for distributing other types of malware and it's written in C++.

  • Detects Andromeda payload. 2 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ab84636acd4409404c7d2da1ddb0a50N.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab84636acd4409404c7d2da1ddb0a50N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\8ab84636acd4409404c7d2da1ddb0a50N.exe
      "C:\Users\Admin\AppData\Local\Temp\8ab84636acd4409404c7d2da1ddb0a50N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OMQLS.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:1592
      • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
        "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
          "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4528
        • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
          "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4636
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\syswow64\svchost.exe
            5⤵
            • Adds policy Run key to start application
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            PID:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OMQLS.txt

    Filesize

    149B

    MD5

    6831b89d0b8dc3e07588d733e75c122b

    SHA1

    8c70088c3224bbaf535ed19ec0f6bd5231c543be

    SHA256

    9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

    SHA512

    699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

  • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe

    Filesize

    88KB

    MD5

    a99bca80258231bd9c611872d4ff1804

    SHA1

    9394c3def32712eb14b2b5aa29aaeda942ff255e

    SHA256

    9be799886f418841003c83f4a34db9aa5717ed9e4f1c551bb20ac843b47d5eee

    SHA512

    5a5c5b0ce8199f4835efedca2d3a6f9db940747229a65e0041b33e64f6629d4e6b208df216d61b2c600742b2dd888e45b1a173f149a0721a58c377407fbd399f

  • memory/544-39-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/544-52-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/544-41-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/544-40-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/936-66-0x00000000005F0000-0x00000000005F5000-memory.dmp

    Filesize

    20KB

  • memory/936-62-0x00000000005F0000-0x00000000005F5000-memory.dmp

    Filesize

    20KB

  • memory/936-60-0x0000000000D00000-0x0000000000D0E000-memory.dmp

    Filesize

    56KB

  • memory/936-58-0x0000000000D00000-0x0000000000D0E000-memory.dmp

    Filesize

    56KB

  • memory/1872-37-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-55-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4528-67-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4636-49-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4636-44-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4976-3-0x0000000002180000-0x0000000002182000-memory.dmp

    Filesize

    8KB

  • memory/4976-6-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/4976-5-0x00000000022E0000-0x00000000022E2000-memory.dmp

    Filesize

    8KB

  • memory/4976-4-0x00000000021A0000-0x00000000021A2000-memory.dmp

    Filesize

    8KB

  • memory/4976-2-0x0000000002170000-0x0000000002172000-memory.dmp

    Filesize

    8KB