General

  • Target

    2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

  • Size

    254KB

  • Sample

    221125-d8c1lscg3v

  • MD5

    812bbc859b6746779cbaa44859a65bf1

  • SHA1

    fdfcfcf2908a0ee96a21f43f3428388ca0946e35

  • SHA256

    2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

  • SHA512

    4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc

  • SSDEEP

    3072:mwXG2pch5235qmNZZ8FsXoxvW38AWbSgYHbEL1V0k2pYm0IqBK0KcHsYe84lsYe2:P2S35/iBvy8AWbgHgJ7EfVcKhuN

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

    • Size

      254KB

    • MD5

      812bbc859b6746779cbaa44859a65bf1

    • SHA1

      fdfcfcf2908a0ee96a21f43f3428388ca0946e35

    • SHA256

      2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

    • SHA512

      4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc

    • SSDEEP

      3072:mwXG2pch5235qmNZZ8FsXoxvW38AWbSgYHbEL1V0k2pYm0IqBK0KcHsYe84lsYe2:P2S35/iBvy8AWbgHgJ7EfVcKhuN

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies firewall policy service

    • Disables use of System Restore points

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Impact

Inhibit System Recovery

1
T1490

Tasks