Analysis

  • max time kernel
    160s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 23:24

General

  • Target
    9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe
  • Size 269KB
  • Sample240407-3dnajahf41
  • SHA256 9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 IoCs
  • UPX dump on OEP (original entry point) 9 IoCs
  • 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.

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe
    "C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.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:3160
    • C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe
      "C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe
        "C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1132
    • C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe
      "C:\Users\Admin\AppData\Local\Temp\9102def13c0f40b898906345d88e938fbc0c69149d7e68b53343c2bf57f11a85.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4500
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=3848 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1972

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          french horse licking .mpg.exe

          • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\french horse licking .mpg.exe
          • Size 862KB
          • SHA256 48392e3b3783bfbe3df6d04450531773552249f31ec416bfbb80f427d940085d
          • MD5 SHA1 SHA512 SSDEEP

          memory/1132-14-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/1132-197-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/3144-11-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/3144-192-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/3160-0-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/3160-173-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/4500-13-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/4500-195-0x0000000000400000-0x000000000041E000-memory.dmp