Overview

overview

10

Static

static

11c8713954...0b.exe

windows7_x64

10

11c8713954...0b.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

  • Size

    245KB

  • Sample

    220604-adf71aeefq

  • MD5

    3bb9b752591fa1203fe803edad35857c

  • SHA1

    da11e4415e5ceaf5f055636f0024502e100c2476

  • SHA256

    11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

  • SHA512

    b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

    • Size

      245KB

    • MD5

      3bb9b752591fa1203fe803edad35857c

    • SHA1

      da11e4415e5ceaf5f055636f0024502e100c2476

    • SHA256

      11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

    • SHA512

      b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

    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