Overview

overview

10

Static

static

2d73e19b38...1d.exe

windows7-x64

10

2d73e19b38...1d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2d73e19b38a6186bbf715d5cf6849543e59f4e65d10c3c6df2261646f0d5711d

  • Size

    289KB

  • Sample

    221129-l42geahe24

  • MD5

    32af840925c72abd7a37c27e9e469340

  • SHA1

    728e5ccf76c31b6de85771fb84e9ebbc40df49c6

  • SHA256

    2d73e19b38a6186bbf715d5cf6849543e59f4e65d10c3c6df2261646f0d5711d

  • SHA512

    a465315d23762266a0e2bf190f49ab35b8e11d1e54bdfaf27c0e063911f4553c6e14ff48bfa7120f7ca58dc2990fa7e861150022a9843315aa228467b9a22d82

  • SSDEEP

    6144:XnX76jVQjMNg8XDxZNITqfnBvvABjmjPjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjH:XnL6JQjMGYFQGBvv2jmjPjjjjjjjjjjr

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      2d73e19b38a6186bbf715d5cf6849543e59f4e65d10c3c6df2261646f0d5711d

    • Size

      289KB

    • MD5

      32af840925c72abd7a37c27e9e469340

    • SHA1

      728e5ccf76c31b6de85771fb84e9ebbc40df49c6

    • SHA256

      2d73e19b38a6186bbf715d5cf6849543e59f4e65d10c3c6df2261646f0d5711d

    • SHA512

      a465315d23762266a0e2bf190f49ab35b8e11d1e54bdfaf27c0e063911f4553c6e14ff48bfa7120f7ca58dc2990fa7e861150022a9843315aa228467b9a22d82

    • SSDEEP

      6144:XnX76jVQjMNg8XDxZNITqfnBvvABjmjPjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjH:XnL6JQjMGYFQGBvv2jmjPjjjjjjjjjjr

    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

    • Sets file execution options in registry

      persistence

    • 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

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
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