Resubmissions

18-01-2025 23:01

250118-2zxknaxpaz 8

18-01-2025 23:01

250118-2zjnssylcl 1

18-01-2025 23:00

250118-2y9htsylbk 1

18-01-2025 22:59

250118-2yn7wsxngx 1

18-01-2025 22:46

250118-2p7ymsxlh1 8

General

  • Target

    1dolar....png

  • Size

    434KB

  • Sample

    250118-2p7ymsxlh1

  • MD5

    c987f89cfb71ab62b207d9db7f9e2215

  • SHA1

    7f3d80d21105e4b1121f450c631433f8b89bc999

  • SHA256

    00a9607440ef0b169a4c3908a204af9dc3a202c8788dab74621e41e2881697b9

  • SHA512

    1148524e018582c7c3cdc716b3ce25a913312cc32ac60451aafe4ecc5598dcf88cc495b364f68c24df44875df936a55c28c1493c37c51dc2f951fbefd04956b1

  • SSDEEP

    12288:0OlDZpFgBN4ybmhP4gtCOwCtScLDkdAI7uyLt:VlF/4NvY7tggYmI7VR

Malware Config

Targets

    • Target

      1dolar....png

    • Size

      434KB

    • MD5

      c987f89cfb71ab62b207d9db7f9e2215

    • SHA1

      7f3d80d21105e4b1121f450c631433f8b89bc999

    • SHA256

      00a9607440ef0b169a4c3908a204af9dc3a202c8788dab74621e41e2881697b9

    • SHA512

      1148524e018582c7c3cdc716b3ce25a913312cc32ac60451aafe4ecc5598dcf88cc495b364f68c24df44875df936a55c28c1493c37c51dc2f951fbefd04956b1

    • SSDEEP

      12288:0OlDZpFgBN4ybmhP4gtCOwCtScLDkdAI7uyLt:VlF/4NvY7tggYmI7VR

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks