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Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 01:47

General

  • Target

    1fcd986dbe7581ccbdd00d696b1d1f052d40896c6d6727c50bcadc5e9068a295.exe

  • Size

    248KB

  • MD5

    4a4ba1eebbc06af1b4ff074d3e346db0

  • SHA1

    eb8af1c0be0b4eae957ea70fc72c4d4feb4ce41e

  • SHA256

    1fcd986dbe7581ccbdd00d696b1d1f052d40896c6d6727c50bcadc5e9068a295

  • SHA512

    15c32780f62c3ea7f26cacb47c424ed090adf34cd165814a50bf4aebcd687ed3d3fa46126b21e8b5675e08154916c71f2f9d914412c30fc3cabe264f3dcdf4d6

  • SSDEEP

    6144:kDLVQWUyyUf9dgAVRKlqBiErIsKnPmb7/jWal+FfAje+5/RxoOsutOSD/uP39RWy:kDhyUf9DRKlqgErIsKnPmb7/jWa1e+5W

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 53 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fcd986dbe7581ccbdd00d696b1d1f052d40896c6d6727c50bcadc5e9068a295.exe
    "C:\Users\Admin\AppData\Local\Temp\1fcd986dbe7581ccbdd00d696b1d1f052d40896c6d6727c50bcadc5e9068a295.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\fabag.exe
      "C:\Users\Admin\fabag.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:4960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\fabag.exe

    Filesize

    248KB

    MD5

    c83a23d09c182fa87cde8e7ec099dc68

    SHA1

    d6c442859461d47422815921644486ab3a1b5979

    SHA256

    56a07f50adbd53790dc3e7e2e47b7dbae550452d38fb17a94c32163adffe002f

    SHA512

    e7d6ec4e122e512b6153ac498cdf23e447fd63f2f14e35970afc9687dfe3c8d247294aa4c90302fb2afa304ba53189ef9f3f51b8bbb8a619a5861b082b2ea6c3

  • C:\Users\Admin\fabag.exe

    Filesize

    248KB

    MD5

    c83a23d09c182fa87cde8e7ec099dc68

    SHA1

    d6c442859461d47422815921644486ab3a1b5979

    SHA256

    56a07f50adbd53790dc3e7e2e47b7dbae550452d38fb17a94c32163adffe002f

    SHA512

    e7d6ec4e122e512b6153ac498cdf23e447fd63f2f14e35970afc9687dfe3c8d247294aa4c90302fb2afa304ba53189ef9f3f51b8bbb8a619a5861b082b2ea6c3

  • memory/2576-132-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2576-141-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4960-140-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4960-142-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB