Overview

overview

10

Static

static

3

f321637df3...18.exe

windows7-x64

10

f321637df3...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118

  • Size

    255KB

  • Sample

    240416-kr9rksdg78

  • MD5

    f321637df3c8907b2f73bec2fc6eaec6

  • SHA1

    56a916846962e81352c63026533d623aa9e9da4f

  • SHA256

    3a24f1707ab7f97b0b8ca4ffb5b2237a1b9b867f21d4e88c18fcfd8e4d38ccbc

  • SHA512

    6017720c2b805ea4ff9fc559439f0c636373c7d898a49c622f2f8f0f276e996f60ce9894c6b657cc4c47467ba4bfb221c471737e3ed1c388f1317e118f85f79a

  • SSDEEP

    3072:0/wQZtZRx5Jx0Lm2U3FEwAXDLXZAXT7xbRk2B:0dv3Umt6XDVAXJRf

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118

    • Size

      255KB

    • MD5

      f321637df3c8907b2f73bec2fc6eaec6

    • SHA1

      56a916846962e81352c63026533d623aa9e9da4f

    • SHA256

      3a24f1707ab7f97b0b8ca4ffb5b2237a1b9b867f21d4e88c18fcfd8e4d38ccbc

    • SHA512

      6017720c2b805ea4ff9fc559439f0c636373c7d898a49c622f2f8f0f276e996f60ce9894c6b657cc4c47467ba4bfb221c471737e3ed1c388f1317e118f85f79a

    • SSDEEP

      3072:0/wQZtZRx5Jx0Lm2U3FEwAXDLXZAXT7xbRk2B:0dv3Umt6XDVAXJRf

    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