Overview

overview

10

Static

static

4f2293769c...43.exe

windows7-x64

10

4f2293769c...43.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

  • Size

    258KB

  • Sample

    220720-srr6jaheaj

  • MD5

    8afa13eeb4e97c8b18fe821e62828981

  • SHA1

    de3592cf728ec391da16654a83f142c44f10d83a

  • SHA256

    4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

  • SHA512

    83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

    • Size

      258KB

    • MD5

      8afa13eeb4e97c8b18fe821e62828981

    • SHA1

      de3592cf728ec391da16654a83f142c44f10d83a

    • SHA256

      4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

    • SHA512

      83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

    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