Overview

overview

10

Static

static

32ffca822f...29.exe

windows7-x64

10

32ffca822f...29.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    32ffca822febf9799d9a1b162d7b6625eaec503d94f44c7a721be3581c29ba29

  • Size

    212KB

  • Sample

    220919-hc2fjscdh6

  • MD5

    742909bc1d90ffce920ac50049133cfd

  • SHA1

    1204c2640631f3997d935c706420059f246304f9

  • SHA256

    32ffca822febf9799d9a1b162d7b6625eaec503d94f44c7a721be3581c29ba29

  • SHA512

    4557aca727a54fc33a04066ee828123c39740bc3498764c40f0405193461a8ea2ce76b693ce33e8f8569121c154d297c9aee1f6822647dd023aa0cc81eea9e37

  • SSDEEP

    3072:4OqElnKetCj6omkCgXeXxhUlYyEjyM1BgMHm0bQUSFBbc1z+N6fHKM5nmv:FlnD1oWgqxhx3ngMbxSE1zawmv

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      32ffca822febf9799d9a1b162d7b6625eaec503d94f44c7a721be3581c29ba29

    • Size

      212KB

    • MD5

      742909bc1d90ffce920ac50049133cfd

    • SHA1

      1204c2640631f3997d935c706420059f246304f9

    • SHA256

      32ffca822febf9799d9a1b162d7b6625eaec503d94f44c7a721be3581c29ba29

    • SHA512

      4557aca727a54fc33a04066ee828123c39740bc3498764c40f0405193461a8ea2ce76b693ce33e8f8569121c154d297c9aee1f6822647dd023aa0cc81eea9e37

    • SSDEEP

      3072:4OqElnKetCj6omkCgXeXxhUlYyEjyM1BgMHm0bQUSFBbc1z+N6fHKM5nmv:FlnD1oWgqxhx3ngMbxSE1zawmv

    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