Resubmissions

17-03-2024 04:56

240317-fkpqlseg53 10

Analysis

  • max time kernel
    1800s
  • max time network
    1806s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-04-2024 14:51

General

  • Target

    cffa8abc1bd0d8409d62b1adb675a6d3.exe

  • Size

    434KB

  • MD5

    cffa8abc1bd0d8409d62b1adb675a6d3

  • SHA1

    37e8bc4d8ffc6ff4256a82bc057960e2cbb022e1

  • SHA256

    ac8ec076126d9905b8a3e677c94607c356bd5418092ac00b25de85cad02f6380

  • SHA512

    7112efdbc879550dd33ddf47f50d44e2ea4ab1e98d2d5d1c48a7f16dc949154228c933095e99050fea61970897c671195f9674bcdece090dc8a0a520e8bc9841

  • SSDEEP

    12288:rXPcLcbGfVylwG/ZDCK/ScBXo8TsyMkKMY8m7WOK9SATTsx/SA/WegYfdNbrqnuk:rXh6XcBXo8TsL8Y8m/ATTySA/DrfdNbC

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cffa8abc1bd0d8409d62b1adb675a6d3.exe
    "C:\Users\Admin\AppData\Local\Temp\cffa8abc1bd0d8409d62b1adb675a6d3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

    Filesize

    3KB

    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

    Filesize

    28B

    MD5

    c49b5b07fbc0209d8afd6760d6f53fb1

    SHA1

    2d4b3a94a4974e4d3d94f167f7dce99df6d993ac

    SHA256

    65e004225d7c85fdf562ff5e937b6cae105eb89bdb44254d9a7cf545d42a0528

    SHA512

    85f235ea6bf38477842ee9526e585c5c3b55aebc8993591ecf28245b32a8f09eaa2a7b04255a1d1b8ed3028051c97ff136201bc47664f3fd9e5a6c10d4e6def2