Analysis

  • max time kernel
    169s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 10:18

General

  • Target

    b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe

  • Size

    196KB

  • MD5

    4586c84ce1628b7a3b09d8c3e29be191

  • SHA1

    23d4c6547d63bc800ac86629a6283066797ee205

  • SHA256

    b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9

  • SHA512

    14685fd447575a6242ce570e0927a360b929157d8918c5b3fcf13f2d0c2a959ca0a0eaa3641e4baac7f415b68d3b99a757df568a580b97950403a5c91a3f71cc

  • SSDEEP

    6144:SiJaUPH3bX2a23NYcJQ8TfxZ85WJ007K9tSBN7fZfh:NJaUPH3bX2a23NYcJQ8TfxZ9J0PtSzz7

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 47 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe
    "C:\Users\Admin\AppData\Local\Temp\b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\dbfid.exe
      "C:\Users\Admin\dbfid.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\dbfid.exe

    Filesize

    196KB

    MD5

    8ba7f739d998318365405b7a8a00fd51

    SHA1

    823cf6c3b513e3032419cd0d17863ed0857ec87b

    SHA256

    2c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6

    SHA512

    a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb

  • C:\Users\Admin\dbfid.exe

    Filesize

    196KB

    MD5

    8ba7f739d998318365405b7a8a00fd51

    SHA1

    823cf6c3b513e3032419cd0d17863ed0857ec87b

    SHA256

    2c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6

    SHA512

    a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb

  • \Users\Admin\dbfid.exe

    Filesize

    196KB

    MD5

    8ba7f739d998318365405b7a8a00fd51

    SHA1

    823cf6c3b513e3032419cd0d17863ed0857ec87b

    SHA256

    2c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6

    SHA512

    a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb

  • \Users\Admin\dbfid.exe

    Filesize

    196KB

    MD5

    8ba7f739d998318365405b7a8a00fd51

    SHA1

    823cf6c3b513e3032419cd0d17863ed0857ec87b

    SHA256

    2c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6

    SHA512

    a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb

  • memory/2044-56-0x0000000076941000-0x0000000076943000-memory.dmp

    Filesize

    8KB