Overview

overview

10

Static

static

3

bbf513305c...b4.exe

windows10-2004-x64

10

bbf513305c...b4.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    bbf513305c61fc5e26cbbe5a72931b5bc0feeb0d834a85edf99b5bf5a853feb4
  • Size 1.5MB
  • Sample260305-d7pm1sds2x
  • SHA256 bbf513305c61fc5e26cbbe5a72931b5bc0feeb0d834a85edf99b5bf5a853feb4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
systembcdefense_evasiondiscoverytrojan

Malware Config

Extracted

Family

  • systembc

C2

  • headwindvariable.cc

  • endlessgrumbler.cc

Attributes
  • dns

    5.132.191.104

Targets

    • Target
      bbf513305c61fc5e26cbbe5a72931b5bc0feeb0d834a85edf99b5bf5a853feb4
    • Size 1.5MB
    • SHA256 bbf513305c61fc5e26cbbe5a72931b5bc0feeb0d834a85edf99b5bf5a853feb4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverysystembctrojan

    • SystemBC

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

      trojansystembc

    • Systembc family

      systembc

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

      defense_evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      defense_evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks