General

  • Target

    hacn.exe

  • Size

    24.0MB

  • Sample

    240714-ydal8asgpr

  • MD5

    70d8f32540470db5df9d39deed7bd6cb

  • SHA1

    a14147440736d4f1427193cd206f519890b9f2f2

  • SHA256

    858bdc7b94a957a182492a2d21e096b2fb2ab5317ae9e3e882243ad80953227e

  • SHA512

    522fc6bc180c5e9e7bc60ece7404162692f0a7902923465082cf5449bc9d2f247b8e7d60f7f0bf5a24bf98fc07826b743a49b71eba406f6073990c3355944870

  • SSDEEP

    393216:VDfDoc6nS0ns/xgsJpQZ4qx0LVRCOIv09pgtmRFb4hOpLsLWV9hf4g:Vb7gnsWs/k4qIov09L8E9s6h

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0%20kb

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      hacn.exe

    • Size

      24.0MB

    • MD5

      70d8f32540470db5df9d39deed7bd6cb

    • SHA1

      a14147440736d4f1427193cd206f519890b9f2f2

    • SHA256

      858bdc7b94a957a182492a2d21e096b2fb2ab5317ae9e3e882243ad80953227e

    • SHA512

      522fc6bc180c5e9e7bc60ece7404162692f0a7902923465082cf5449bc9d2f247b8e7d60f7f0bf5a24bf98fc07826b743a49b71eba406f6073990c3355944870

    • SSDEEP

      393216:VDfDoc6nS0ns/xgsJpQZ4qx0LVRCOIv09pgtmRFb4hOpLsLWV9hf4g:Vb7gnsWs/k4qIov09L8E9s6h

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Contacts a large (1266) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks