Resubmissions

13-09-2021 08:21

210913-j9gyvagddm 10

Analysis

  • max time kernel
    300s
  • max time network
    278s
  • 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 14:38

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:4852
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:4948

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

    6c2e94557a9d2111b4ab203bc668f621

    SHA1

    ccafe709c45a8786bc962a79209a4de4d685b3d8

    SHA256

    e6e48d7d4ec5708cabaec6e4164d875100385c211b313af49d3816492a49588b

    SHA512

    b37a87bf5f2d6267d02ab34fe15bfbd4c71dc1f51228f2f3e0db02e3d4d69dd405d717ea118b342b7209c711fc5b992db03799ae76e6c1f5dcd04bde40d86e40

  • memory/4852-14-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-17-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4852-4-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-5-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-6-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-7-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-2-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-1-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4852-0-0x0000000002320000-0x0000000002378000-memory.dmp

    Filesize

    352KB

  • memory/4852-15-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-16-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-3-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-18-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-21-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-22-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-24-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-26-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-32-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-37-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-39-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB

  • memory/4852-43-0x00000000023E0000-0x0000000002489000-memory.dmp

    Filesize

    676KB