Resubmissions

18-04-2024 08:52

240418-ksvn2sge34 10

18-04-2024 08:51

240418-ksn69sge27 10

18-04-2024 08:51

240418-ksnkqshg71 10

18-04-2024 08:51

240418-ksmy7sge25 10

18-04-2024 08:51

240418-ksmcnsge24 10

Analysis

  • max time kernel
    1200s
  • max time network
    1005s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    18-04-2024 08:51

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:4212
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:4880

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Command and Control

Proxy

1
T1090

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

    a00e8724b08f6ebf7b35a2442faed743

    SHA1

    427e4d58ab781c8065fd083f01f6214df0a1f28f

    SHA256

    7e55b1432387e5823cae50c0808611b4088e821802b2620259888258068bb299

    SHA512

    f97fbc1fcf438c1eb5c87042a52dd13ae9d998acd76632dcddc28a87533f5d4d11ce8dbaa2de2631f2bb8e1a854e81dbfdb6de2329517b0d9695f4a7227b920f

  • memory/4212-16-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/4212-4-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-20-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-5-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-6-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-7-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-2-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-1-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/4212-22-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-15-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-53-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-3-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-14-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-27-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-33-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-36-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-38-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-41-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-46-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-48-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-49-0x0000000002220000-0x00000000022C9000-memory.dmp
    Filesize

    676KB

  • memory/4212-0-0x00000000020B0000-0x0000000002108000-memory.dmp
    Filesize

    352KB