Malware Analysis Report

2025-08-05 11:48

Sample ID 241031-eshftszclb
Target 8193921c017358677073e954745e86ed_JaffaCakes118
SHA256 9f9bbe3b5733adff8b9c349407580800e767cd01eb71dbbe2f7df78c87f8dca2
Tags
defense_evasion 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

9f9bbe3b5733adff8b9c349407580800e767cd01eb71dbbe2f7df78c87f8dca2

Threat Level: Shows suspicious behavior

The file 8193921c017358677073e954745e86ed_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion discovery

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Indicator Removal: File Deletion

Drops file in Windows directory

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 04:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 04:12

Reported

2024-10-31 04:19

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe"

Signatures

Indicator Removal: File Deletion

defense_evasion

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\259434826.exe

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\8193921c017358677073e954745e86ed_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\259433874.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\259434826.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2384 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259433874.exe
PID 2384 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259433874.exe
PID 2384 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259433874.exe
PID 2384 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259433874.exe
PID 1524 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\259433874.exe C:\Windows\SysWOW64\cmd.exe
PID 1524 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\259433874.exe C:\Windows\SysWOW64\cmd.exe
PID 1524 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\259433874.exe C:\Windows\SysWOW64\cmd.exe
PID 1524 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\259433874.exe C:\Windows\SysWOW64\cmd.exe
PID 2384 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259434826.exe
PID 2384 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259434826.exe
PID 2384 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259434826.exe
PID 2384 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\259434826.exe
PID 2848 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe
PID 2848 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe
PID 2848 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe
PID 2848 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe
PID 2836 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2836 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2836 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2836 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2848 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Windows\SysWOW64\WerFault.exe
PID 2848 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Windows\SysWOW64\WerFault.exe
PID 2848 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Windows\SysWOW64\WerFault.exe
PID 2848 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\259434826.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\259433874.exe

C:\Users\Admin\AppData\Local\Temp\\259433874.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\259433874.exe

C:\Users\Admin\AppData\Local\Temp\259434826.exe

"C:\Users\Admin\AppData\Local\Temp\259434826.exe"

C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe

C:\Users\Admin\AppData\Roaming\QQ2011\QQ2011.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 228

Network

N/A

Files

memory/2384-7-0x0000000000230000-0x0000000000237000-memory.dmp

memory/1524-13-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1524-15-0x0000000000400000-0x0000000000407000-memory.dmp

\Users\Admin\AppData\Local\Temp\259434826.exe

MD5 4b54f3964c4d90a0fca8702309240e78
SHA1 c5f7fc4fb4d3cb4035c5671bbe6ef4d025a48abe
SHA256 0a7d73320f550a97d1a2f9a1e3db8e3beea41b74e64e44c82eca8eae362d9b8f
SHA512 19b6a77adbde8e0118c3fbade9a7eb6e2b278071a2e07dedddb118a6411dac42a5b7d4075ab324e1293c4e25501a5f474c663ad81afb4b4d601886b28987f1fe

memory/2836-36-0x0000000013140000-0x000000001316A000-memory.dmp

memory/2848-40-0x0000000013140000-0x000000001316A000-memory.dmp

memory/2848-41-0x0000000013140000-0x000000001316A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 04:12

Reported

2024-10-31 04:17

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\240625921.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
N/A N/A C:\Windows\QQ2011\QQ2011.exe N/A

Indicator Removal: File Deletion

defense_evasion

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\QQ2011\QQ2011.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
File created C:\Windows\QQ2011\QQ2011.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
File opened for modification C:\Windows\VKsqO C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
File opened for modification C:\Windows\QQ2011\QQ2011.exe C:\Windows\QQ2011\QQ2011.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\QQ2011\QQ2011.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\240625921.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2452 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240625921.exe
PID 2452 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240625921.exe
PID 2452 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240625921.exe
PID 2772 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\240625921.exe C:\Windows\SysWOW64\cmd.exe
PID 2772 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\240625921.exe C:\Windows\SysWOW64\cmd.exe
PID 2772 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\240625921.exe C:\Windows\SysWOW64\cmd.exe
PID 2452 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe
PID 2452 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe
PID 2452 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\240629671.exe
PID 1948 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe C:\Windows\QQ2011\QQ2011.exe
PID 1948 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe C:\Windows\QQ2011\QQ2011.exe
PID 1948 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\240629671.exe C:\Windows\QQ2011\QQ2011.exe
PID 2424 wrote to memory of 4952 N/A C:\Windows\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2424 wrote to memory of 4952 N/A C:\Windows\QQ2011\QQ2011.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\240625921.exe

C:\Users\Admin\AppData\Local\Temp\\240625921.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\240625921.exe

C:\Users\Admin\AppData\Local\Temp\240629671.exe

"C:\Users\Admin\AppData\Local\Temp\240629671.exe"

C:\Windows\QQ2011\QQ2011.exe

C:\Windows\QQ2011\QQ2011.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 1948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 592

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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2772-7-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2772-10-0x0000000000400000-0x0000000000407000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\240629671.exe

MD5 4b54f3964c4d90a0fca8702309240e78
SHA1 c5f7fc4fb4d3cb4035c5671bbe6ef4d025a48abe
SHA256 0a7d73320f550a97d1a2f9a1e3db8e3beea41b74e64e44c82eca8eae362d9b8f
SHA512 19b6a77adbde8e0118c3fbade9a7eb6e2b278071a2e07dedddb118a6411dac42a5b7d4075ab324e1293c4e25501a5f474c663ad81afb4b4d601886b28987f1fe

memory/2424-23-0x0000000013140000-0x000000001316A000-memory.dmp

memory/1948-24-0x0000000013140000-0x000000001316A000-memory.dmp