Analysis

  • max time kernel
    119s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 02:01

General

  • Target

    c8e12fb10fc9963c49e4d074cc5ba2b0N.exe

  • Size

    392KB

  • MD5

    c8e12fb10fc9963c49e4d074cc5ba2b0

  • SHA1

    676786db56b6aff6a05da8b13cbd5069e03aada0

  • SHA256

    22c91158f3bb3e30cd36ff983fb2f8874cc436466e3938db0ef5e45e8fd26338

  • SHA512

    344baa3d36885077c283e06ff967803df97bb87f09d634f0de3650c6a91f16f27dfd47952703107d086a37be8de38393c8d535fcbf1772e4297e0ae2ac86cf48

  • SSDEEP

    3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6

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 14 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3492
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JKCJK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2060
      • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
        "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3892
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2392
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.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:4012
          • 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:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    0654f004b2e314bad7f75867e91da37d

    SHA1

    4232c22e7340b12108d86e3cb35ed288a3dbc7f1

    SHA256

    ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

    SHA512

    dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

  • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    392KB

    MD5

    c8e12fb10fc9963c49e4d074cc5ba2b0

    SHA1

    676786db56b6aff6a05da8b13cbd5069e03aada0

    SHA256

    22c91158f3bb3e30cd36ff983fb2f8874cc436466e3938db0ef5e45e8fd26338

    SHA512

    344baa3d36885077c283e06ff967803df97bb87f09d634f0de3650c6a91f16f27dfd47952703107d086a37be8de38393c8d535fcbf1772e4297e0ae2ac86cf48

  • memory/2184-68-0x00000000005E0000-0x00000000005E5000-memory.dmp

    Filesize

    20KB

  • memory/2184-64-0x00000000005E0000-0x00000000005E5000-memory.dmp

    Filesize

    20KB

  • memory/2184-62-0x00000000004A0000-0x00000000004A5000-memory.dmp

    Filesize

    20KB

  • memory/2392-70-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3492-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3492-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3492-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3492-42-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3492-58-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3892-46-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3892-57-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3892-40-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3892-41-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4012-56-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4012-52-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4524-15-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4524-0-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4524-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/4524-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/4524-6-0x0000000002430000-0x0000000002431000-memory.dmp

    Filesize

    4KB

  • memory/4524-5-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4524-4-0x0000000002440000-0x0000000002441000-memory.dmp

    Filesize

    4KB

  • memory/4524-3-0x0000000002430000-0x0000000002431000-memory.dmp

    Filesize

    4KB