Malware Analysis Report

2025-08-10 22:41

Sample ID 250127-znkevawjbr
Target JaffaCakes118_4392a0a64eda03356deee5f6035733ed
SHA256 c08499345b71c584410371d0e4c307eb6ba1d8e762bf93d19e61d57fc0515b94
Tags
discovery
score
3/10

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
3/10

SHA256

c08499345b71c584410371d0e4c307eb6ba1d8e762bf93d19e61d57fc0515b94

Threat Level: Likely benign

The file JaffaCakes118_4392a0a64eda03356deee5f6035733ed was found to be: Likely benign.

Malicious Activity Summary

discovery

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 20:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 20:51

Reported

2025-01-27 20:54

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 88

Network

N/A

Files

memory/2648-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/2648-1-0x0000000000405000-0x000000000040B000-memory.dmp

memory/2648-2-0x0000000000400000-0x000000000040F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 20:51

Reported

2025-01-28 09:21

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe"

Signatures

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\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\* C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\*\DocumentInfo = "71" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a0a64eda03356deee5f6035733ed.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4600 -ip 4600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 7.98.51.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4600-0-0x0000000000405000-0x000000000040B000-memory.dmp

memory/4600-2-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4600-1-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4600-3-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4600-5-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4600-6-0x0000000000405000-0x000000000040B000-memory.dmp