Analysis

  • max time kernel
    134s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2024, 02:09

General

  • Target
    2017.6.30/013.exe
  • Size 12KB
  • Sample240830-ck7dwascka
  • SHA256 674f00e2033ebaf0623a4b6425be8a19d2cbd0a93e0d9a5d0e6d015b1c0f01eb
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2017.6.30\013.exe
    "C:\Users\Admin\AppData\Local\Temp\2017.6.30\013.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\find.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v "*" b64defile.dat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3220
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tempfile.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Base64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Base64.dll
        • Size 12KB
        • SHA256 e2e29c39eace3bd0642756b99e15605ff27670e54c05fe16c1903453541268e6
        • MD5 SHA1 SHA512 SSDEEP

        b64defile.dat

        • Path C:\Users\Admin\AppData\Local\Temp\b64defile.dat
        • Size 258B
        • SHA256 80233da30916501e8399cfa1c7776aa1372cb1a625c8a338e061e0f359a1fa0b
        • MD5 SHA1 SHA512

        find.bat

        • Path C:\Users\Admin\AppData\Local\Temp\find.bat
        • Size 45B
        • SHA256 42b6336804239e8348bf5e3ade3351cfba567b357316a956192d78788bd805d0
        • MD5 SHA1 SHA512

        tempfile.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tempfile.bat
        • Size 136B
        • SHA256 608ad8f2881b7afbebf6ffa5b92dbdd77ffb3a696f14cdc7c4e275923692b57c
        • MD5 SHA1 SHA512

        memory/1312-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1312-19-0x0000000010000000-0x0000000010008000-memory.dmp

        memory/1312-29-0x0000000000400000-0x000000000040D000-memory.dmp