General

  • Target

    733a6225fdf4a0131c7da6cdda0a16a3a2cff920c1fff289dd8c0dd4610ba245

  • Size

    4.1MB

  • Sample

    230326-vbksmahc56

  • MD5

    fe07220eff78a4a5e6f9a0e7bcbb4150

  • SHA1

    1097354707d7cd8c396806a07b6943ef7a620a1a

  • SHA256

    733a6225fdf4a0131c7da6cdda0a16a3a2cff920c1fff289dd8c0dd4610ba245

  • SHA512

    3bdf092a9286c7511d30d4097ab04b9d1f3845c2e7e126483f0f73111b6a2414135cbc595c9ddc6b44577265af27eb18fe9c969e4adc94f87948339b27156626

  • SSDEEP

    98304:zr26hzV4BSCAmhxfdnO3iGF8VPGOZz1YfxoltOV/iiODAg4Ykz5wj5n:fV4BSCA8FpO3ByYOZzufxoltOPM9LjF

Malware Config

Targets

    • Target

      733a6225fdf4a0131c7da6cdda0a16a3a2cff920c1fff289dd8c0dd4610ba245

    • Size

      4.1MB

    • MD5

      fe07220eff78a4a5e6f9a0e7bcbb4150

    • SHA1

      1097354707d7cd8c396806a07b6943ef7a620a1a

    • SHA256

      733a6225fdf4a0131c7da6cdda0a16a3a2cff920c1fff289dd8c0dd4610ba245

    • SHA512

      3bdf092a9286c7511d30d4097ab04b9d1f3845c2e7e126483f0f73111b6a2414135cbc595c9ddc6b44577265af27eb18fe9c969e4adc94f87948339b27156626

    • SSDEEP

      98304:zr26hzV4BSCAmhxfdnO3iGF8VPGOZz1YfxoltOV/iiODAg4Ykz5wj5n:fV4BSCA8FpO3ByYOZzufxoltOPM9LjF

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks