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Analysis

  • max time kernel
    300s
  • max time network
    191s
  • 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 14:36

General

  • Target

    577357bf7d715950aa9401b25029926f052c742ffd558ddc44853629245eb764.exe

  • Size

    566KB

  • MD5

    1082785e3304ebb4bdd4add5623fb35e

  • SHA1

    b9c461bae25cc7ce131350d9a5a0b433b5daed27

  • SHA256

    577357bf7d715950aa9401b25029926f052c742ffd558ddc44853629245eb764

  • SHA512

    16436efc6aa97769f3e4290387172a902e08af3eb98272517ff73de4938533af0352a4d1dc034ec43ab7291c0beca968b08023fb2b6d927d496644d6282ee01d

  • SSDEEP

    12288:Bz4ubZCXMtdUKat+YH7/yJ2je3rojGvB/WaEYvWj:pjOMtd1a/yl3KOje

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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\577357bf7d715950aa9401b25029926f052c742ffd558ddc44853629245eb764.exe
    "C:\Users\Admin\AppData\Local\Temp\577357bf7d715950aa9401b25029926f052c742ffd558ddc44853629245eb764.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:3624

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

    ed16c6a03e1716ba1a1ed6e950ad4e07

    SHA1

    b40584cf46fb350c2bcb6c7b17dcde3332fb634d

    SHA256

    f1266fd13c2c1b05420b9a975748b4a1235fdb00531d2bfe86b2f6fde6be90cb

    SHA512

    6df1dbc017e95e8adee2f3f4f030d3811f5fa093c2cdf0c9769c3861176a1baa60bfe64a77bf99ebdd60653c59aa37d22f223d05f324dcfb4c1194d7de24d8f2

  • memory/4920-14-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-17-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4920-4-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-5-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-6-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-7-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-2-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-1-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4920-0-0x00000000021A0000-0x00000000021F8000-memory.dmp

    Filesize

    352KB

  • memory/4920-15-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-16-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-3-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-19-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-22-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-24-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-26-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-28-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-32-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-34-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-36-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB

  • memory/4920-42-0x00000000022F0000-0x0000000002399000-memory.dmp

    Filesize

    676KB