Overview

overview

10

Static

static

3

1c62959593...18.exe

windows7-x64

10

1c62959593...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1c62959593f0191f22044f03e075e7e1_JaffaCakes118

  • Size

    173KB

  • Sample

    240701-y7v51s1grj

  • MD5

    1c62959593f0191f22044f03e075e7e1

  • SHA1

    9409c1dc0b8f40b4529c8cb4624447e497e15be2

  • SHA256

    2842da89e0a9c89a580d8c6386962a245e86261346b0e33b4b09eccd30ef18c8

  • SHA512

    bf6c2386d5c40c42398d882291938bc2d6839037f56aba31929e60a907e0ff8c98779f2f73d8fd60503bfc97895094bc0fd9a31b04befdfdc64dd177a93c0f31

  • SSDEEP

    3072:ob7XJHAxTs95IGBkXLzf4q3Y8bPfMQOhZGj9AcO5mOAppD771Fuqmg1f:0TJHt4X/fJTbnMQUZGjmcLdf1Fuqmg1f

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      1c62959593f0191f22044f03e075e7e1_JaffaCakes118

    • Size

      173KB

    • MD5

      1c62959593f0191f22044f03e075e7e1

    • SHA1

      9409c1dc0b8f40b4529c8cb4624447e497e15be2

    • SHA256

      2842da89e0a9c89a580d8c6386962a245e86261346b0e33b4b09eccd30ef18c8

    • SHA512

      bf6c2386d5c40c42398d882291938bc2d6839037f56aba31929e60a907e0ff8c98779f2f73d8fd60503bfc97895094bc0fd9a31b04befdfdc64dd177a93c0f31

    • SSDEEP

      3072:ob7XJHAxTs95IGBkXLzf4q3Y8bPfMQOhZGj9AcO5mOAppD771Fuqmg1f:0TJHt4X/fJTbnMQUZGjmcLdf1Fuqmg1f

    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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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

Resource Development

Reconnaissance

Tasks