General

  • Target

    6ddcdecc111152874195e0f43fbd533672361077b6e3365c44efa4ca57390667

  • Size

    260KB

  • Sample

    221129-jzc7xaba44

  • MD5

    939d220eb5f9d3b8c5d35a975e740127

  • SHA1

    c23a5f9a876bfe496b361606759ac9f1aa602638

  • SHA256

    6ddcdecc111152874195e0f43fbd533672361077b6e3365c44efa4ca57390667

  • SHA512

    3b17b80a55571313d68fcb97668482d8c867c453a2211c00736bf321fad27bac8e8906e5284e5419d6e5ccc00bda9635c45012398bafa970f7deff8bb03e5ce7

  • SSDEEP

    6144:qeN95oTK6nfxa2JftDnYfRa2KPY+0H1XTAgfzDDJXvr:qU95oDa2sfSPE

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      6ddcdecc111152874195e0f43fbd533672361077b6e3365c44efa4ca57390667

    • Size

      260KB

    • MD5

      939d220eb5f9d3b8c5d35a975e740127

    • SHA1

      c23a5f9a876bfe496b361606759ac9f1aa602638

    • SHA256

      6ddcdecc111152874195e0f43fbd533672361077b6e3365c44efa4ca57390667

    • SHA512

      3b17b80a55571313d68fcb97668482d8c867c453a2211c00736bf321fad27bac8e8906e5284e5419d6e5ccc00bda9635c45012398bafa970f7deff8bb03e5ce7

    • SSDEEP

      6144:qeN95oTK6nfxa2JftDnYfRa2KPY+0H1XTAgfzDDJXvr:qU95oDa2sfSPE

    • MetaSploit

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

    • Modifies firewall policy service

    • Executes dropped EXE

    • Sets file execution options in registry

    • Sets service image path 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

3
T1060

Defense Evasion

Modify Registry

4
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks