Resubmissions

27/06/2024, 12:05

240627-n9aa8asgnn 7

27/06/2024, 11:13

240627-nbm5es1bqn 10

27/06/2024, 10:55

240627-mz55gazfmj 7

27/06/2024, 10:51

240627-mxybvaxdrb 7

27/06/2024, 10:10

240627-l7bp6awape 7

27/06/2024, 10:00

240627-l1435axhpm 7

General

  • Target

    setup-program-jpk.exe

  • Size

    141.4MB

  • Sample

    240627-nbm5es1bqn

  • MD5

    6d63cbd3a38407394a5e4226dbf652c4

  • SHA1

    b79445a99db3169bd0c372897ec474b1be7ef2cc

  • SHA256

    075e3e1097b5a6376358f94fdda63513aed5c88b67494f23c1224c2dddf38f63

  • SHA512

    878d5e21b204bca2d921d16552202832d6287e30cfb024bd84725a44fde40fba342b3366e9992d02825d320c094e824048026c8582c7c46355e3a34d3bc8d6fd

  • SSDEEP

    3145728:tQqSfallJBxCN1GPUFmkVeuMAfpLziGyeAuAKWqLqT/Abhmgk7:tvSwvBxCN4qcxAfpC/eTI4ha7

Malware Config

Targets

    • Target

      setup-program-jpk.exe

    • Size

      141.4MB

    • MD5

      6d63cbd3a38407394a5e4226dbf652c4

    • SHA1

      b79445a99db3169bd0c372897ec474b1be7ef2cc

    • SHA256

      075e3e1097b5a6376358f94fdda63513aed5c88b67494f23c1224c2dddf38f63

    • SHA512

      878d5e21b204bca2d921d16552202832d6287e30cfb024bd84725a44fde40fba342b3366e9992d02825d320c094e824048026c8582c7c46355e3a34d3bc8d6fd

    • SSDEEP

      3145728:tQqSfallJBxCN1GPUFmkVeuMAfpLziGyeAuAKWqLqT/Abhmgk7:tvSwvBxCN4qcxAfpC/eTI4ha7

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Sets service image path in registry

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks