Overview

overview

10

Static

static

3

fa449eb591...18.exe

windows7-x64

10

fa449eb591...18.exe

windows10-2004-x64

5

Sharing

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General

  • Target

    fa449eb5918266827fb35e3e71c46600_JaffaCakes118

  • Size

    176KB

  • Sample

    240419-pct5sscc8z

  • MD5

    fa449eb5918266827fb35e3e71c46600

  • SHA1

    d364433027c351a03d4d0fb8b3d91ada2613e7f2

  • SHA256

    6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f

  • SHA512

    104a440612b30d136ad6672765e11674ead933a5af7397a621d7c91cbbc84710a8f49725b96212c19a44314a8925a7039343ffd0446a44d382d713a4f93f1b5f

  • SSDEEP

    3072:4fynmfCxlg33qXLfdeOerSxqOZ85SX3ahLntvLV6AdF98:wym/6bfdebSxprHa9PO

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      fa449eb5918266827fb35e3e71c46600_JaffaCakes118

    • Size

      176KB

    • MD5

      fa449eb5918266827fb35e3e71c46600

    • SHA1

      d364433027c351a03d4d0fb8b3d91ada2613e7f2

    • SHA256

      6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f

    • SHA512

      104a440612b30d136ad6672765e11674ead933a5af7397a621d7c91cbbc84710a8f49725b96212c19a44314a8925a7039343ffd0446a44d382d713a4f93f1b5f

    • SSDEEP

      3072:4fynmfCxlg33qXLfdeOerSxqOZ85SX3ahLntvLV6AdF98:wym/6bfdebSxprHa9PO

    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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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 v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks