Malware Analysis Report

2025-04-03 14:29

Sample ID 240930-efv66awhkr
Target ffe86f47459e2f515445d1e218925174_JaffaCakes118
SHA256 f7a4ab43ac7b75fa7708fcc5901d463225187fcfcb11d7e871ab854075e090f4
Tags
guloader discovery downloader guloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f7a4ab43ac7b75fa7708fcc5901d463225187fcfcb11d7e871ab854075e090f4

Threat Level: Known bad

The file ffe86f47459e2f515445d1e218925174_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader guloader

Guloader,Cloudeye

Guloader payload

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-30 03:53

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-30 03:53

Reported

2024-09-30 03:56

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Guloader payload

guloader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe"

Network

N/A

Files

memory/2196-2-0x00000000003B0000-0x00000000003BC000-memory.dmp

memory/2196-3-0x0000000076D71000-0x0000000076E72000-memory.dmp

memory/2196-4-0x00000000003B0000-0x00000000003BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-30 03:53

Reported

2024-09-30 03:56

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Guloader payload

guloader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ffe86f47459e2f515445d1e218925174_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1832-2-0x0000000002370000-0x000000000237C000-memory.dmp

memory/1832-3-0x0000000002370000-0x000000000237C000-memory.dmp