Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 02:21

General

  • Target

    98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6.exe

  • Size

    88KB

  • MD5

    852c0d00b8742475efd18efd62d20a78

  • SHA1

    843fb8261f66bc4217e7d2e07afbe4e069e1e7fd

  • SHA256

    98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6

  • SHA512

    b4a62e31061e3b94387f8a217027c2d2bc65efe19ad272889638056ed55619a7a350c7af9f559d6c265f4408b2e46623d1e89ed4c4a19ada00b8684a32dca6f4

  • SSDEEP

    1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEm:6D0ctAVA/bmxIMnoKjyR/Nm

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 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6.exe
    "C:\Users\Admin\AppData\Local\Temp\98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Users\Admin\AppData\Local\Temp\98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6.exe
      "C:\Users\Admin\AppData\Local\Temp\98d2db31332c8db37598fda4b9204cda73e3010044b147e927f3a7d40242ebf6.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4588
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BFAIU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4272
        • 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:3436
      • 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:3124
        • 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:2756
        • 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:752
          • 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:2168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    149B

    MD5

    6831b89d0b8dc3e07588d733e75c122b

    SHA1

    8c70088c3224bbaf535ed19ec0f6bd5231c543be

    SHA256

    9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

    SHA512

    699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

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

    Filesize

    88KB

    MD5

    6879bee6b43775b22fc3743cc4577f6a

    SHA1

    9e72815218994ee528beecbaf97dacd9c9ee825c

    SHA256

    ad3d88f86aa3b83fff3e7ed67eddc1d47e363630ab473da948d2ac0187bee302

    SHA512

    6b57d084d19322ddcb550ecf52ff83d4a42453c97ab1269f994eea2717d0a5f05d5762a4eed4c6a89de9aeb8bdf43651cf95eb5111dba13d62b69a1a2df17b91

  • memory/752-45-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/752-50-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2168-60-0x0000000000370000-0x000000000037E000-memory.dmp

    Filesize

    56KB

  • memory/2168-58-0x0000000000370000-0x000000000037E000-memory.dmp

    Filesize

    56KB

  • memory/2168-62-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

    Filesize

    20KB

  • memory/2168-66-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

    Filesize

    20KB

  • memory/2756-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3124-40-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3124-41-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3124-42-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3124-51-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/4024-2-0x00000000022C0000-0x00000000022C2000-memory.dmp

    Filesize

    8KB

  • memory/4024-7-0x0000000002330000-0x0000000002332000-memory.dmp

    Filesize

    8KB

  • memory/4024-5-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/4024-6-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/4024-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

    Filesize

    8KB

  • memory/4024-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

    Filesize

    8KB

  • memory/4588-8-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4588-54-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4588-38-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4588-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4588-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB