Malware Analysis Report

2025-08-11 01:16

Sample ID 241021-kafr6sybnn
Target 661f87ca199421a6376ffe641469bb46_JaffaCakes118
SHA256 05a7023b3e94b02f8d181fcdbb8375893078f0ebdf7728a8914247bc74ee6fcb
Tags
discovery spyware stealer upx
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

05a7023b3e94b02f8d181fcdbb8375893078f0ebdf7728a8914247bc74ee6fcb

Threat Level: Shows suspicious behavior

The file 661f87ca199421a6376ffe641469bb46_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery spyware stealer upx

Reads user/profile data of web browsers

UPX packed file

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-21 08:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-21 08:23

Reported

2024-10-21 08:26

Platform

win7-20241010-en

Max time kernel

140s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2860 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe
PID 2860 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe%C:\Users\Admin\AppData\Roaming\Microsoft

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\Windows\shell.exe%C:\Users\Admin\AppData\Roaming\Microsoft\Windows

Network

Country Destination Domain Proto
US 8.8.8.8:53 konusevoz.cn udp
US 107.149.173.157:80 konusevoz.cn tcp
US 8.8.8.8:53 protectyourpc-11.com udp
US 8.8.8.8:53 8.ctrl.konusevoz.cn udp
US 8.8.8.8:53 6.ctrl.konusevoz.cn udp
US 107.149.173.157:80 konusevoz.cn tcp
US 8.8.8.8:53 www.google.com udp
GB 142.250.200.36:80 www.google.com tcp
GB 142.250.200.36:80 www.google.com tcp
US 107.149.173.157:80 konusevoz.cn tcp
US 107.149.173.157:80 konusevoz.cn tcp

Files

memory/2860-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2860-1-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2776-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2776-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2860-9-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1780-13-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1780-14-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2860-16-0x0000000000400000-0x000000000044F000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\stor.cfg

MD5 df7c6813d70a8932b8b8137604c35403
SHA1 2ab2693d37dd7a9d4e5d16da2bdaaa6c75037371
SHA256 6b80b67d9715604d62c8de3cf40d90c982db54932661dd9b4bcf647e53bc506a
SHA512 6a8071bbc4dff33c0db0ab2970ab04ab77f75ae9affe132797bafe82debc5b48ee043c29c1a5dc8c56d493d89b148828b737a224f696aebbe527860c221407b4

C:\Users\Admin\AppData\Roaming\Microsoft\stor.cfg

MD5 0e312660e3ad13b1e3f1d7a265b668ff
SHA1 6f04c773aa04c7ab6994634b025ef1334caaff3a
SHA256 f2a62e4a2523348d8de2bf25becf42db5a92791010a0f7f6bb80773e39d4a4fd
SHA512 75b426593ef6a8cefdd46997d4e6dcb724ea5a135e5c9dc5fc75f914817823db495c812ac7f5b052f7a471c8ab08a38408ec199a69db92536cb6ed6a96d9ca17

C:\Users\Admin\AppData\Roaming\Microsoft\stor.cfg

MD5 18df444f2795c1911aa7b2ffd4956ff9
SHA1 8b4791c1c8770ed60ddecd484e1625e772b03c3c
SHA256 4961d264971d76cc321951a2697a1539b544b2c7bd7ad1477ef1a145b6ba76d5
SHA512 9e521a068256018facff02af2a4a9615ceb588a261db55c47d55ba79f6833746297f933b715114b6a073d080afe0c7c9d0c70bfca0c096fb8aa19e1e41fd99a1

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-21 08:23

Reported

2024-10-21 08:26

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.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\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\661f87ca199421a6376ffe641469bb46_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4484 -ip 4484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 484

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

N/A