Overview

overview

10

Static

static

66e2924598...df.exe

windows7-x64

10

66e2924598...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    66e2924598475f91962b91d29feba8b83317dbaedac3ed1e077d79e4cac25ddf

  • Size

    170KB

  • Sample

    220919-dnk6gsdgb6

  • MD5

    72d3478bd0c0f31ff0ca19bb096130a8

  • SHA1

    d86416279916cba2716e90264c082f9da2240c36

  • SHA256

    66e2924598475f91962b91d29feba8b83317dbaedac3ed1e077d79e4cac25ddf

  • SHA512

    566527ab20ce004fd397764b642683ed77fa3fabedd32e2e0d58ae0e6b4c530310152b6ffb1b265b2f8d5de3eb51c7cff6bffdf5bfbe2a045f0e0617bcaa5ee9

  • SSDEEP

    3072:SyPevd8s7ZeqSBlnb/YlSFc6yum7c3tw+T++Elaqurlc14lYdrKe439pdp:SSs7klBpb/tRyuVdwhl/urC1GY4L9bp

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      66e2924598475f91962b91d29feba8b83317dbaedac3ed1e077d79e4cac25ddf

    • Size

      170KB

    • MD5

      72d3478bd0c0f31ff0ca19bb096130a8

    • SHA1

      d86416279916cba2716e90264c082f9da2240c36

    • SHA256

      66e2924598475f91962b91d29feba8b83317dbaedac3ed1e077d79e4cac25ddf

    • SHA512

      566527ab20ce004fd397764b642683ed77fa3fabedd32e2e0d58ae0e6b4c530310152b6ffb1b265b2f8d5de3eb51c7cff6bffdf5bfbe2a045f0e0617bcaa5ee9

    • SSDEEP

      3072:SyPevd8s7ZeqSBlnb/YlSFc6yum7c3tw+T++Elaqurlc14lYdrKe439pdp:SSs7klBpb/tRyuVdwhl/urC1GY4L9bp

    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