Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 10:01

General

  • Target

    7c5a55cfa74b375f2194e29633da183d764a9381d52af8e71bfc1c2a61fb8109.exe

  • Size

    231KB

  • MD5

    a2111a35365c5e7fd89b567412ca4ad6

  • SHA1

    2a4a0c3880b90850a82552b72ec13ad3e793a444

  • SHA256

    7c5a55cfa74b375f2194e29633da183d764a9381d52af8e71bfc1c2a61fb8109

  • SHA512

    73122914c555107c8bf83bd9c954cac8a4c7da8ded849559a7966956a93126f2a641f81090d3be237dbbf473bc66bdc1be5ccc2dcef119329c83a842d2c60ca3

  • SSDEEP

    3072:RPgE0E5wfNm5RQ9vGeriZuxqrzmT0MKgM2Au2c5L97zPy+yc4WABa/Km:RPgEifAIOe6eOqAMKgMy5B7G2z

Malware Config

Signatures

  • GandCrab payload 3 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Gandcrab family
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 20 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c5a55cfa74b375f2194e29633da183d764a9381d52af8e71bfc1c2a61fb8109.exe
    "C:\Users\Admin\AppData\Local\Temp\7c5a55cfa74b375f2194e29633da183d764a9381d52af8e71bfc1c2a61fb8109.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 476
      2⤵
      • Program crash
      PID:4112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5088 -ip 5088
    1⤵
      PID:2388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\win.ini

      Filesize

      783B

      MD5

      553cec13c08fc2b3ec7736207af77902

      SHA1

      03d74e9aa5ca6bd6ed0b8f616fddcfbd589a9b48

      SHA256

      fc28529327f98110567ee20e4fdc0bcc23019fdeb36e5f5c84fa32ff62e26458

      SHA512

      5796a7e18fc1daf689646c4f1de6af5c6cb799ac7391130a347432b5ae03036c19123244dab6e3d67036207aeb10411ac4ac4cfdddd8e2d046b98a214310a51d

    • C:\Windows\win.ini

      Filesize

      12KB

      MD5

      f1ec35f74b55ffa6d5feead774601534

      SHA1

      570b0166588ba9dfbd3b3350091d8ab3b791d14b

      SHA256

      e8851408eb0aba6507f2d6c7ea767dc4241849fd973138c6a67de1b2e099d532

      SHA512

      b0e065dee921acef630be068030728e25d34369458ec20b53e72b457022d33c383a6489b9fca4c200ee3b7464b56f05842ee1fb93a90f5598dae7d8ed8655072

    • memory/5088-257-0x0000000000C60000-0x0000000000D60000-memory.dmp

      Filesize

      1024KB

    • memory/5088-258-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/5088-259-0x0000000000400000-0x0000000000B4A000-memory.dmp

      Filesize

      7.3MB

    • memory/5088-260-0x00000000028B0000-0x00000000028C7000-memory.dmp

      Filesize

      92KB

    • memory/5088-264-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB