General

  • Target

    715a725a1a6ae5c7d3437b0c2914afef7d585aafa068e2d2e9331826000e1bac

  • Size

    6.1MB

  • Sample

    220927-z189qsefa4

  • MD5

    00fcb83ba5ccfc06e0d188da8f7199d9

  • SHA1

    d25177c49632ebd00606aca4dc74dc86c2809197

  • SHA256

    715a725a1a6ae5c7d3437b0c2914afef7d585aafa068e2d2e9331826000e1bac

  • SHA512

    615594dbbdbb73475ee30222fb61b81f48c831518c13a7041acc3e7ceca35d6f4829c44f7bac15e74504b913c06105f13854b041dc61e5ce3c25bd55b6fa16f6

  • SSDEEP

    98304:+Mu3f/jr6blqCtAZhO0oNtHjgKPUbzSTcLYUkwf8M2m51AjLrLrQ/8:+Vf/v6bl3tNXtoQcLs/M2mDAjPLF

Malware Config

Extracted

Family

systembc

C2

89.22.225.242:4193

195.2.93.22:4193

Targets

    • Target

      715a725a1a6ae5c7d3437b0c2914afef7d585aafa068e2d2e9331826000e1bac

    • Size

      6.1MB

    • MD5

      00fcb83ba5ccfc06e0d188da8f7199d9

    • SHA1

      d25177c49632ebd00606aca4dc74dc86c2809197

    • SHA256

      715a725a1a6ae5c7d3437b0c2914afef7d585aafa068e2d2e9331826000e1bac

    • SHA512

      615594dbbdbb73475ee30222fb61b81f48c831518c13a7041acc3e7ceca35d6f4829c44f7bac15e74504b913c06105f13854b041dc61e5ce3c25bd55b6fa16f6

    • SSDEEP

      98304:+Mu3f/jr6blqCtAZhO0oNtHjgKPUbzSTcLYUkwf8M2m51AjLrLrQ/8:+Vf/v6bl3tNXtoQcLs/M2mDAjPLF

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Tasks