Analysis

  • max time kernel
    118s
  • max time network
    120s
  • 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 21:05

General

  • Target

    54df5e1d18f36a2d11eb1687d15a80d0N.exe

  • Size

    88KB

  • MD5

    54df5e1d18f36a2d11eb1687d15a80d0

  • SHA1

    be4c702e9f5b23a02e037bcc6725ea8dae540b71

  • SHA256

    2d4f592791dcc72fa4b58c7106a705e7649387f326b6d69db774361a99fae8c2

  • SHA512

    5e8712dcf2c4324c6d76d4dc0bf3f8ad3c26dec4c16595b4201585766eb17a2789cbc90cb60416aceac101f252676996f1bd55e77238babd3c32a265740d2a87

  • SSDEEP

    1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yE3:6D0ctAVA/bmxIMnoKjyR/N3

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\54df5e1d18f36a2d11eb1687d15a80d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\54df5e1d18f36a2d11eb1687d15a80d0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\54df5e1d18f36a2d11eb1687d15a80d0N.exe
      "C:\Users\Admin\AppData\Local\Temp\54df5e1d18f36a2d11eb1687d15a80d0N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NLPKS.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5028
        • 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:4460
      • 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:5116
        • 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:3448
        • 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:220
          • 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:1648
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
    1⤵
      PID:2232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      149B

      MD5

      6831b89d0b8dc3e07588d733e75c122b

      SHA1

      8c70088c3224bbaf535ed19ec0f6bd5231c543be

      SHA256

      9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

      SHA512

      699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

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

      Filesize

      88KB

      MD5

      747e926dfb9874624e450458ff387469

      SHA1

      d807e3d63f0c3d4d998b377d04ff3e317e3d2368

      SHA256

      604f5039a41f793c6b465c99f200e7d61b006f0a00f7f220151fefdefa1a386a

      SHA512

      8d6ebdf02d07128e5b82f6d088a84f06b20298d977f0a3a1d7d495774f328b204a12bf3d715e592b1855986452f315043095aaa520486c981d5760360c28b574

    • memory/220-52-0x0000000000400000-0x0000000000405000-memory.dmp

      Filesize

      20KB

    • memory/220-45-0x0000000000400000-0x0000000000405000-memory.dmp

      Filesize

      20KB

    • memory/1648-62-0x0000000000280000-0x0000000000285000-memory.dmp

      Filesize

      20KB

    • memory/1648-58-0x00000000002B0000-0x00000000002BE000-memory.dmp

      Filesize

      56KB

    • memory/1648-60-0x00000000002B0000-0x00000000002BE000-memory.dmp

      Filesize

      56KB

    • memory/1648-66-0x0000000000280000-0x0000000000285000-memory.dmp

      Filesize

      20KB

    • memory/3448-68-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3664-7-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

      Filesize

      8KB

    • memory/3664-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

      Filesize

      8KB

    • memory/3664-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

      Filesize

      8KB

    • memory/3664-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

      Filesize

      8KB

    • memory/3664-2-0x00000000022C0000-0x00000000022C2000-memory.dmp

      Filesize

      8KB

    • memory/3664-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

      Filesize

      8KB

    • memory/4508-54-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4508-38-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4508-12-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4508-10-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4508-8-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5116-50-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5116-42-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5116-41-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5116-40-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB