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Analysis

  • max time kernel
    164s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2024, 21:33

General

  • Target

    2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62.exe

  • Size

    227KB

  • MD5

    5c58c7befcc0d53d2ba3be83e7d86ff1

  • SHA1

    2e4036831f83f2722dea0398d4767380a89df0fa

  • SHA256

    2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62

  • SHA512

    fd53fa49aa7ff387b4a51948a1b702cbed7bdaf20106a336726fb68a4bb5607026a1c0428becd268056ec5332cc7c5e4ae3a158c61297d5556850ec45fb59bc1

  • SSDEEP

    6144:RCqgOTS+Nd3u+FEcgnMBp/g49FSBV+UdvrEFp7hKO:kKTS+hFl19FSBjvrEH7F

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62.exe
    "C:\Users\Admin\AppData\Local\Temp\2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62.exe
      "C:\Users\Admin\AppData\Local\Temp\2ea0e3281076ec72c8506108c310da51e1de4e7f5a7f954e9698730db7eade62.exe" -sfxwaitall:1 "install.cmd"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.cmd" "
        3⤵
          PID:4592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.cmd

      Filesize

      312B

      MD5

      58751b1b89eddd631af51d5685728c09

      SHA1

      41e2c9675f015c3b4aad8f791d671d97d910d053

      SHA256

      c15529587a37f0e4ec7ff04d7b5978ba17f5fda5d7dbc15d6ae2b99f639ccaf6

      SHA512

      735be150c41a4b978d92f187dd7b3e683283927d017ca7970005c946da265ec32101302cfb9a29ad77ce5fd972a5fe816cc3234b18e8f173cdbe61c86bd8177b

    • memory/3128-3-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3128-5-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3128-21-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3128-22-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3624-13-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3624-14-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3624-16-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3624-17-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB