Resubmissions

12/03/2024, 04:32

240312-e5y94sge5v 10

12/03/2024, 04:26

240312-e2yjeaac66 8

11/03/2024, 05:00

240311-fng5yace25 8

General

  • Target

    Joex.exe

  • Size

    7.5MB

  • Sample

    240312-e5y94sge5v

  • MD5

    5feea6237e10d57abba3ba9a1f7f6e39

  • SHA1

    f75fbcd2ddb75bfc656e5dca55a3c3acc3f167ad

  • SHA256

    42387aec3b3fbcc123e64ff3180be6f8dbdd856f9c3a59a4a8456e2fd589062d

  • SHA512

    84803c9de2c38cccf111bed53e57cf16ca7e2c86abac9b9d6884dbc1b9a7f18108011e2368d549d998c37950fb32f75b32ea7e9e82f43db738d9e114dc17edec

  • SSDEEP

    196608:aJkixVRHFObBzTwz12ft1VciqSPQQWApyU4:yxVRl81wz1gt1V1zsH

Malware Config

Targets

    • Target

      Joex.exe

    • Size

      7.5MB

    • MD5

      5feea6237e10d57abba3ba9a1f7f6e39

    • SHA1

      f75fbcd2ddb75bfc656e5dca55a3c3acc3f167ad

    • SHA256

      42387aec3b3fbcc123e64ff3180be6f8dbdd856f9c3a59a4a8456e2fd589062d

    • SHA512

      84803c9de2c38cccf111bed53e57cf16ca7e2c86abac9b9d6884dbc1b9a7f18108011e2368d549d998c37950fb32f75b32ea7e9e82f43db738d9e114dc17edec

    • SSDEEP

      196608:aJkixVRHFObBzTwz12ft1VciqSPQQWApyU4:yxVRl81wz1gt1V1zsH

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Disables Task Manager via registry modification

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Modifies WinLogon

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks