Resubmissions

13-09-2021 07:48

210913-jm5fmadca3 10

Analysis

  • max time kernel
    300s
  • max time network
    279s
  • 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 14:41

General

  • Target

    1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe

  • Size

    1.2MB

  • MD5

    38df59cb1b647416d7a2dd6a10a7d87f

  • SHA1

    a9c130b1a876b2bf44cf65261731309b5de58bc1

  • SHA256

    1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472

  • SHA512

    db86988b3e20b28329187ef0e773de5cd5fe2c89d677cea5773893124d8d7186036f4c36b02b43e60220e508597d8388a87842b93341b9d39edfbaf86deb2cda

  • SSDEEP

    12288:u+rq0yKJ7KZeBA4DVzlzEyn2QFqTjCAjkTnV/QH7OTzId2nfpN3fXh:FW0yreAkpzP/QCAjkTmbOwYRZx

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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe
    "C:\Users\Admin\AppData\Local\Temp\1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:3660
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:3280

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      287eae02253460994eae09d484dcbc7a

      SHA1

      d981acd8b9225117d13b7129da0c71ec3eee8e0f

      SHA256

      ad8df376d4d02ab4bd20b82e8ee8a78e514394469373569f82336191deea894c

      SHA512

      dd016b1225b64028babbcd258bf4275699404580b320afb38503c08dbfa2c465674c07a2e4e43b7949304fbfd3b88bda29cab517fb2fe1c5ca3068ab2632c947

    • memory/3936-16-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-6-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-19-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-7-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-23-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-5-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-8-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-27-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-1-0x00000000029F0000-0x0000000002AD2000-memory.dmp

      Filesize

      904KB

    • memory/3936-15-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-0-0x00000000024F0000-0x00000000024F1000-memory.dmp

      Filesize

      4KB

    • memory/3936-17-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-4-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-3-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-2-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/3936-32-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-34-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-36-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-39-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-41-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-42-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-45-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-50-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-52-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB

    • memory/3936-55-0x0000000002AE0000-0x0000000002B7F000-memory.dmp

      Filesize

      636KB