General

  • Target

    invoice_2566246817.js

  • Size

    106KB

  • Sample

    231201-gmv6vafd71

  • MD5

    fc6d7a11059fee2eda2bab5e4c82c839

  • SHA1

    9907895c521bddd02573ca5e361490f017932dbe

  • SHA256

    39afb67d0916e6761f7604cb65ebdb1c115f24e62d9b122c0137b46215a0b00c

  • SHA512

    1e820c22e9cbd0f360b7187eb8062089ead22cfd1a62e0e47450523659b841bf37278ddfd530c4792529d88145ceb1ff88389d541fda9e68d9c127ba5579fb39

  • SSDEEP

    384:boJdyttnpXrov4gPyjjF/9sui+1VaEEEfEfffEfEffESxyOVYZPjcrdRoDT/8W8z:kS5W

Malware Config

Targets

    • Target

      invoice_2566246817.js

    • Size

      106KB

    • MD5

      fc6d7a11059fee2eda2bab5e4c82c839

    • SHA1

      9907895c521bddd02573ca5e361490f017932dbe

    • SHA256

      39afb67d0916e6761f7604cb65ebdb1c115f24e62d9b122c0137b46215a0b00c

    • SHA512

      1e820c22e9cbd0f360b7187eb8062089ead22cfd1a62e0e47450523659b841bf37278ddfd530c4792529d88145ceb1ff88389d541fda9e68d9c127ba5579fb39

    • SSDEEP

      384:boJdyttnpXrov4gPyjjF/9sui+1VaEEEfEfffEfEffESxyOVYZPjcrdRoDT/8W8z:kS5W

    • UAC bypass

    • Blocklisted process makes network request

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Deletes itself

    • Registers COM server for autorun

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Tasks