Overview

overview

10

Static

static

6a143506d1...24.exe

windows7-x64

10

6a143506d1...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6a143506d1428a9d5ee2dc9e59bd5846060f3748742c314e2a9b7b7d67177524

  • Size

    253KB

  • Sample

    220919-bakxfshec7

  • MD5

    d72d29e17d55a0f5327ba3b310111f4c

  • SHA1

    b35f60396d2d01c0a1148601143acc1c916668b9

  • SHA256

    6a143506d1428a9d5ee2dc9e59bd5846060f3748742c314e2a9b7b7d67177524

  • SHA512

    49119148ec126a95f1560fd6b6e4c47ef1396bd75862a7210c63b70ce792fd08eac1715df7945a7af46b75c0cd78c460fe9e91e9bee8ac5b1a3c4daeaad8bda3

  • SSDEEP

    6144:7qXm9VZHAHjWm7LABGIwHeM8ce8dqTv7uNAab6xHUN:W2vZHADWVBGISercr0vCAauxHE

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      6a143506d1428a9d5ee2dc9e59bd5846060f3748742c314e2a9b7b7d67177524

    • Size

      253KB

    • MD5

      d72d29e17d55a0f5327ba3b310111f4c

    • SHA1

      b35f60396d2d01c0a1148601143acc1c916668b9

    • SHA256

      6a143506d1428a9d5ee2dc9e59bd5846060f3748742c314e2a9b7b7d67177524

    • SHA512

      49119148ec126a95f1560fd6b6e4c47ef1396bd75862a7210c63b70ce792fd08eac1715df7945a7af46b75c0cd78c460fe9e91e9bee8ac5b1a3c4daeaad8bda3

    • SSDEEP

      6144:7qXm9VZHAHjWm7LABGIwHeM8ce8dqTv7uNAab6xHUN:W2vZHADWVBGISercr0vCAauxHE

    Score
    10/10
    metasploitbackdoortrojanupxevasionpersistence

    • 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.

    • 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