General

  • Target

    4048086659a25f46c3bbe14643948d28ba004a68407476c5e8b95dfeca458b22

  • Size

    516KB

  • Sample

    220708-y3s5vshhd6

  • MD5

    0d468d8b2a1f7f599575a60378554192

  • SHA1

    2b3b2c9faf513e262ad623bd3c21ee4cc1a4ad2d

  • SHA256

    4048086659a25f46c3bbe14643948d28ba004a68407476c5e8b95dfeca458b22

  • SHA512

    b009e1ff811fa525591ea9259b4c0d7b5e10c914dc8f8be7f0d6843c1beadf79305a96f60ad752922af95d25ef90adfa7c7485d9467130b44920faba9d11b747

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      4048086659a25f46c3bbe14643948d28ba004a68407476c5e8b95dfeca458b22

    • Size

      516KB

    • MD5

      0d468d8b2a1f7f599575a60378554192

    • SHA1

      2b3b2c9faf513e262ad623bd3c21ee4cc1a4ad2d

    • SHA256

      4048086659a25f46c3bbe14643948d28ba004a68407476c5e8b95dfeca458b22

    • SHA512

      b009e1ff811fa525591ea9259b4c0d7b5e10c914dc8f8be7f0d6843c1beadf79305a96f60ad752922af95d25ef90adfa7c7485d9467130b44920faba9d11b747

    • MetaSploit

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

    • Modifies firewall policy service

    • suricata: ET MALWARE Andromeda Checkin

      suricata: ET MALWARE Andromeda Checkin

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    • Adds policy Run key to start application

    • Executes dropped EXE

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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

Tasks