Overview

overview

10

Static

static

bccc4049b0...12.exe

windows7-x64

10

bccc4049b0...12.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bccc4049b0f9f36e5590374279e0011dcfe418db5b3c614a80c9c9e28c1af512

  • Size

    252KB

  • Sample

    221130-2b7eysah35

  • MD5

    f0626e01c9ccb778071d21d2d2ef5710

  • SHA1

    7cc2a067902bd8e49c691ff50ba93431714da6e2

  • SHA256

    bccc4049b0f9f36e5590374279e0011dcfe418db5b3c614a80c9c9e28c1af512

  • SHA512

    0af94a5b97720f64bb031d09adeb31af3e5cbf7813a9ab873113d482f096bd977f857a68d95ff943ef1558f548df3ac157a7448707ff5d585177300adc500625

  • SSDEEP

    3072:dM235oyWt+p17jT79pR6bmvQWMH8MhD9B1jkilLY9F3jA6YoCxjhnNgj:dMJQ7vT7McMBH14xFchH

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      bccc4049b0f9f36e5590374279e0011dcfe418db5b3c614a80c9c9e28c1af512

    • Size

      252KB

    • MD5

      f0626e01c9ccb778071d21d2d2ef5710

    • SHA1

      7cc2a067902bd8e49c691ff50ba93431714da6e2

    • SHA256

      bccc4049b0f9f36e5590374279e0011dcfe418db5b3c614a80c9c9e28c1af512

    • SHA512

      0af94a5b97720f64bb031d09adeb31af3e5cbf7813a9ab873113d482f096bd977f857a68d95ff943ef1558f548df3ac157a7448707ff5d585177300adc500625

    • SSDEEP

      3072:dM235oyWt+p17jT79pR6bmvQWMH8MhD9B1jkilLY9F3jA6YoCxjhnNgj:dMJQ7vT7McMBH14xFchH

    Score
    10/10
    metasploitbackdoorevasionpersistencetrojanupx

    • MetaSploit

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

      trojanbackdoormetasploit

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks