Overview

overview

10

Static

static

f9da5d0c63...29.exe

windows7-x64

10

f9da5d0c63...29.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f9da5d0c633a8616fcbc6873a8a22b5bdc312fcaad0622b4a50b6ad8c5fc9e29

  • Size

    242KB

  • Sample

    221203-c3bd6abc2t

  • MD5

    5ab58e4aab0aa3f6c6b6540646e954fd

  • SHA1

    cb68c33638b8c07ec2aa8c80cda43dc525b11f44

  • SHA256

    f9da5d0c633a8616fcbc6873a8a22b5bdc312fcaad0622b4a50b6ad8c5fc9e29

  • SHA512

    e839db7a432a940508dae7a8927d22ca627c8c233ec5b095f69a86ae490b18a0155eb7017228299d3f1ff4867507079db2f5102d747b0e59904002f338c45a47

  • SSDEEP

    3072:9vdm5TEGYJH/rN19hnTAUC4GUIsFX4VILGqdLrTaCtNu6oUcvwC7F:9FRN19WJ4MIL/dvWCtg6oUwwY

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      f9da5d0c633a8616fcbc6873a8a22b5bdc312fcaad0622b4a50b6ad8c5fc9e29

    • Size

      242KB

    • MD5

      5ab58e4aab0aa3f6c6b6540646e954fd

    • SHA1

      cb68c33638b8c07ec2aa8c80cda43dc525b11f44

    • SHA256

      f9da5d0c633a8616fcbc6873a8a22b5bdc312fcaad0622b4a50b6ad8c5fc9e29

    • SHA512

      e839db7a432a940508dae7a8927d22ca627c8c233ec5b095f69a86ae490b18a0155eb7017228299d3f1ff4867507079db2f5102d747b0e59904002f338c45a47

    • SSDEEP

      3072:9vdm5TEGYJH/rN19hnTAUC4GUIsFX4VILGqdLrTaCtNu6oUcvwC7F:9FRN19WJ4MIL/dvWCtg6oUwwY

    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