General

  • Target

    6011b6b1da26652cfcc795c014ccbfc4b7cd1a20ef5bb5af9db9a2506ae42212

  • Size

    635KB

  • Sample

    221002-z469jscdhn

  • MD5

    1afed583472f201f3d82fad8b8d24bb1

  • SHA1

    47969a14c08e0d0034ca12313ae25bfecf57fafb

  • SHA256

    6011b6b1da26652cfcc795c014ccbfc4b7cd1a20ef5bb5af9db9a2506ae42212

  • SHA512

    53094bcf92020843ee3cb9fbf395102f69d0db367657f27de06993c40872f932b9e30174c8e253b39f53d12091c410185fa43e12b9709625046217b989e7d5b9

  • SSDEEP

    12288:gs17p2j1eNT+dhJtqEE637SvmiCzcjj/qh2GTKlRC7AhCAR:gsWMT+dDAEE637SvmiCzcjj/qh2GTKl1

Malware Config

Targets

    • Target

      6011b6b1da26652cfcc795c014ccbfc4b7cd1a20ef5bb5af9db9a2506ae42212

    • Size

      635KB

    • MD5

      1afed583472f201f3d82fad8b8d24bb1

    • SHA1

      47969a14c08e0d0034ca12313ae25bfecf57fafb

    • SHA256

      6011b6b1da26652cfcc795c014ccbfc4b7cd1a20ef5bb5af9db9a2506ae42212

    • SHA512

      53094bcf92020843ee3cb9fbf395102f69d0db367657f27de06993c40872f932b9e30174c8e253b39f53d12091c410185fa43e12b9709625046217b989e7d5b9

    • SSDEEP

      12288:gs17p2j1eNT+dhJtqEE637SvmiCzcjj/qh2GTKlRC7AhCAR:gsWMT+dDAEE637SvmiCzcjj/qh2GTKl1

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets file execution options in registry

    • 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.

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

3
T1060

Bootkit

1
T1067

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Security Software Discovery

1
T1063

Tasks