Malware Analysis Report

2025-08-05 16:53

Sample ID 250127-skjwkstrcz
Target JaffaCakes118_40dae164a12ef43021c251c09a220a49
SHA256 bdd3f91844cb608e1e132ace535b828042a5d2d638931ff426e4bdbc61f43978
Tags
discovery
score
7/10

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
7/10

SHA256

bdd3f91844cb608e1e132ace535b828042a5d2d638931ff426e4bdbc61f43978

Threat Level: Shows suspicious behavior

The file JaffaCakes118_40dae164a12ef43021c251c09a220a49 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Deletes itself

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 15:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 15:10

Reported

2025-01-27 15:13

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

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_40dae164a12ef43021c251c09a220a49.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Pgb..bat" > nul 2> nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 yandex.ru udp
US 8.8.8.8:53 163.com udp
US 8.8.8.8:53 mytruble.com udp
US 8.8.8.8:53 patjam.com udp
US 204.11.56.48:80 patjam.com tcp
US 8.8.8.8:53 thevinte.com udp

Files

memory/2164-0-0x0000000000130000-0x0000000000145000-memory.dmp

memory/2164-1-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2164-3-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2164-2-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2164-6-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Pgb..bat

MD5 8b8877f43909a54f45f9debbd98a7833
SHA1 8cdc79cf6b6a3219cbc93127d61032d327862121
SHA256 fe06a73e2ddaa3acfb1028b9888776e81d8202c626bc2bddb84da04eb5353dbd
SHA512 4d0571cdf26ff8dc7bf3633de45882a37584b6d64a191be55ab965168f40c111c1f71ffe10603c2354ac64f782d31d17c472f8de36c1b5a4d2b960db414624ce

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 15:10

Reported

2025-01-27 15:13

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.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_40dae164a12ef43021c251c09a220a49.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dae164a12ef43021c251c09a220a49.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 400

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

N/A