Resubmissions

01-12-2024 20:16

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01-12-2024 20:02

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01-12-2024 19:58

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01-12-2024 19:45

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General

  • Target

    DONOTOPENINWEB.txt

  • Size

    449B

  • Sample

    241201-ysgn3szqay

  • MD5

    b905963e0bb2d2d4f9a0b6a88bb5d04c

  • SHA1

    182a1ab984d6a7c0359135de45765b41b7c542a3

  • SHA256

    93537a3e7b05f9a7873be00d310c278969de796cfd3693c5e4677898bc638021

  • SHA512

    ef0343f83e33cecb95bd5f1d91210e916aa43fa7897175d5b40e0e2722ad50adef28f9dcd58e33961fbea94be8ec886e4a09d1ba167ca41be73d50c30ee2d5bc

Malware Config

Targets

    • Target

      DONOTOPENINWEB.txt

    • Size

      449B

    • MD5

      b905963e0bb2d2d4f9a0b6a88bb5d04c

    • SHA1

      182a1ab984d6a7c0359135de45765b41b7c542a3

    • SHA256

      93537a3e7b05f9a7873be00d310c278969de796cfd3693c5e4677898bc638021

    • SHA512

      ef0343f83e33cecb95bd5f1d91210e916aa43fa7897175d5b40e0e2722ad50adef28f9dcd58e33961fbea94be8ec886e4a09d1ba167ca41be73d50c30ee2d5bc

    • Modifies firewall policy service

    • Creates new service(s)

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • A potential corporate email address has been identified in the URL: 67C716D751E567F70A490D4C@AdobeOrg

    • 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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • 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