Overview

overview

10

Static

static

3

ffaaf290a7...18.exe

windows7-x64

10

ffaaf290a7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ffaaf290a72c1d4b765ab5e23ea39e51_JaffaCakes118

  • Size

    268KB

  • Sample

    240421-tl29zseg53

  • MD5

    ffaaf290a72c1d4b765ab5e23ea39e51

  • SHA1

    35be8e3fe6559e26862113a2a84854c5cca93313

  • SHA256

    54b3171f83f74d657fc29029e599e2e814562909afc4d81dc6b8d966db94fef4

  • SHA512

    4da323aa6c7bbc176fd575ecaa02a72c5951a9232043cc1d72671f81c254812be73286efe4b4b4c64bb914bc06f4da73e7aae2557cb01c9afa47fdd353a2ee37

  • SSDEEP

    3072:6FggLU0AtG3VJjaF+Tw3iA3tnvnJpDdz9/BQly2FgRFQOuTvvvvvvvvvvvvvvvvL:6FrjDTwSA3tvp9mDg3QO/kRvv

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      ffaaf290a72c1d4b765ab5e23ea39e51_JaffaCakes118

    • Size

      268KB

    • MD5

      ffaaf290a72c1d4b765ab5e23ea39e51

    • SHA1

      35be8e3fe6559e26862113a2a84854c5cca93313

    • SHA256

      54b3171f83f74d657fc29029e599e2e814562909afc4d81dc6b8d966db94fef4

    • SHA512

      4da323aa6c7bbc176fd575ecaa02a72c5951a9232043cc1d72671f81c254812be73286efe4b4b4c64bb914bc06f4da73e7aae2557cb01c9afa47fdd353a2ee37

    • SSDEEP

      3072:6FggLU0AtG3VJjaF+Tw3iA3tnvnJpDdz9/BQly2FgRFQOuTvvvvvvvvvvvvvvvvL:6FrjDTwSA3tvp9mDg3QO/kRvv

    Score
    10/10
    metasploitbackdoortrojanupxevasionpersistence

    • 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

    • 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

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks