General

  • Target

    33ee7ae472e679c8f3b53370f9eba8fa58c923ec1831525f56524fc9963353a9

  • Size

    8.5MB

  • Sample

    220619-3kte5afhfm

  • MD5

    ee535a8ea4f5a528203b7fed911f0cdd

  • SHA1

    5cf4a8b0b3acab1f68df9792677a4dbd4da8dca2

  • SHA256

    33ee7ae472e679c8f3b53370f9eba8fa58c923ec1831525f56524fc9963353a9

  • SHA512

    e47f3a0622977eec135c3750838aa38c1ea40d7df372cebd56b19f1297fb7dd3d0beb6ddbe6cfdd54bd8d2b02ecd40081608e93f124dc6456c48679306f0a8ce

Malware Config

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Extracted

Family

metasploit

Version

windows/reverse_winhttp

C2

https://213.186.35.153:8080/Q1NSuetz0_jexd_EgquNYw_WOENe-eLtpUPsAQJFSgu

Targets

    • Target

      33ee7ae472e679c8f3b53370f9eba8fa58c923ec1831525f56524fc9963353a9

    • Size

      8.5MB

    • MD5

      ee535a8ea4f5a528203b7fed911f0cdd

    • SHA1

      5cf4a8b0b3acab1f68df9792677a4dbd4da8dca2

    • SHA256

      33ee7ae472e679c8f3b53370f9eba8fa58c923ec1831525f56524fc9963353a9

    • SHA512

      e47f3a0622977eec135c3750838aa38c1ea40d7df372cebd56b19f1297fb7dd3d0beb6ddbe6cfdd54bd8d2b02ecd40081608e93f124dc6456c48679306f0a8ce

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

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

    • UPX packed file

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

    • 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.

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

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

2
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Tasks