Resubmissions

23-11-2024 01:08

241123-bhmq1stnht 9

23-11-2024 01:05

241123-bfwadatnes 5

General

  • Target

    inbox.png

  • Size

    380KB

  • Sample

    241123-bhmq1stnht

  • MD5

    ac6b3da921d65420f87bfe834a0af4af

  • SHA1

    e626e96e876c3efca77c5d20d45d2688343f4e1c

  • SHA256

    27410bc7be14c47eb58679632c4f683dcd90814191ad030fd254e4ff96646523

  • SHA512

    1ffac797295123cfa93ff22677eeaaea9994dc07b0070c5b3012c96a918a60230190fd2419b780073a5a312065d9af1ed573ce10c27bb3abd61c7925425e37db

  • SSDEEP

    6144:Jxfkm9zdfezpYigNE5pk7znts/imEDWUuENSdn9qoA12/oMs5WqKZV5bbDjTQBRb:JxfrJ9e+TGk7zZi4NqUBAFD53/8BRiBu

Malware Config

Targets

    • Target

      inbox.png

    • Size

      380KB

    • MD5

      ac6b3da921d65420f87bfe834a0af4af

    • SHA1

      e626e96e876c3efca77c5d20d45d2688343f4e1c

    • SHA256

      27410bc7be14c47eb58679632c4f683dcd90814191ad030fd254e4ff96646523

    • SHA512

      1ffac797295123cfa93ff22677eeaaea9994dc07b0070c5b3012c96a918a60230190fd2419b780073a5a312065d9af1ed573ce10c27bb3abd61c7925425e37db

    • SSDEEP

      6144:Jxfkm9zdfezpYigNE5pk7znts/imEDWUuENSdn9qoA12/oMs5WqKZV5bbDjTQBRb:JxfrJ9e+TGk7zZi4NqUBAFD53/8BRiBu

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks BIOS information in registry

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

    • 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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Blocklisted process makes network request

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand MICROSOFT.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks