Resubmissions

13-09-2021 08:21

210913-j9gyvagddm 10

Analysis

  • max time kernel
    300s
  • max time network
    258s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-04-2024 14:38

General

  • Target

    4f0784440bee1fc6002827cdc1b6663add2f111e3294cededd202443abb9f07d.exe

  • Size

    566KB

  • MD5

    e08abfaa3f43ee68221fe4c21b9a0ea6

  • SHA1

    5092275c94bb50bfe326ffbe22a56aab5746b739

  • SHA256

    4f0784440bee1fc6002827cdc1b6663add2f111e3294cededd202443abb9f07d

  • SHA512

    dc7181f47541ad3e323baba9f763a5a0e315450b59b04d894835a25f5c074e2ab8fdd4170c83ae7c5c025861a206e553bcc77169bb76eb32fd098685954f57c9

  • SSDEEP

    12288:Bz4ubZCXMtdUKat+YH7/yJ2je3rojGvB/WaEYvWG:pjOMtd1a/yl3KOjj

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\4f0784440bee1fc6002827cdc1b6663add2f111e3294cededd202443abb9f07d.exe
    "C:\Users\Admin\AppData\Local\Temp\4f0784440bee1fc6002827cdc1b6663add2f111e3294cededd202443abb9f07d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1280

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

    05633fa681ee22b6a08f80000665ff59

    SHA1

    5959df94cf76a4e82de99af989dc57a084720109

    SHA256

    87f040970601dfafa33a687b995cba387d3cf8dbbed12bcd8eb92482822ee5ef

    SHA512

    026cea40b886c1d2f305f82e2e816e9d9c28f610b369922ddf30ebe8f371db4b0f2bdc91707b39a683ba3811dc8b900244c04cad9cda0b770e4dc33692dbff68

  • memory/4924-15-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-18-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-4-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-5-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-7-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-2-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-1-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4924-14-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-0-0x0000000000700000-0x0000000000758000-memory.dmp

    Filesize

    352KB

  • memory/4924-3-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-21-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-27-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-31-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-33-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-38-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-43-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-44-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB

  • memory/4924-47-0x0000000002180000-0x0000000002229000-memory.dmp

    Filesize

    676KB