Malware Analysis Report

2025-06-16 06:35

Sample ID 240825-k8qd9swemf
Target c06b57795a419ff24115042ef8be2ae8_JaffaCakes118
SHA256 febfe7f46caf58cea34fc2a7098daf368911b6c7556a7e1e0f70bea0e6393840
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

febfe7f46caf58cea34fc2a7098daf368911b6c7556a7e1e0f70bea0e6393840

Threat Level: Shows suspicious behavior

The file c06b57795a419ff24115042ef8be2ae8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Executes dropped EXE

Deletes itself

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 09:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 09:16

Reported

2024-08-25 09:19

Platform

win7-20240705-en

Max time kernel

142s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe"

Signatures

Deletes itself

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

Executes dropped EXE

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\las.exe C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A
File opened for modification C:\Windows\las.exe C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A
File created C:\Windows\61642520.BAT C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\las.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\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\las.exe N/A

Suspicious use of FindShellTrayWindow

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

Processes

C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe"

C:\Windows\las.exe

C:\Windows\las.exe

C:\Program Files\Internet Explorer\IEXPLORE.EXE

"C:\Program Files\Internet Explorer\IEXPLORE.EXE"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\61642520.BAT

Network

Country Destination Domain Proto
US 8.8.8.8:53 a123111105.3322.org udp

Files

memory/2056-0-0x0000000000400000-0x00000000004C3200-memory.dmp

memory/2056-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

C:\Windows\las.exe

MD5 c06b57795a419ff24115042ef8be2ae8
SHA1 1e910c65b55e5315157c60af941f8b1b34a70fab
SHA256 febfe7f46caf58cea34fc2a7098daf368911b6c7556a7e1e0f70bea0e6393840
SHA512 1042195e06b85d1ba8904dcddb2fd05255d26372b547d042d7ef9227f350ae7efe81c7902c0be2c56755f3522210092b59ab85a7b4c328f80c5c3b8a539095fa

memory/1676-5-0x0000000000400000-0x00000000004C3200-memory.dmp

memory/1676-6-0x0000000000240000-0x0000000000241000-memory.dmp

C:\Windows\61642520.BAT

MD5 444f389c813bf3a58711cece7a6e655b
SHA1 bc16d2c9dfbf166da4ccd235c517a376dc8bfcfb
SHA256 9d54e93d133100b7f2f89622b68f59b3978dc3e3a630145de056a98090e45387
SHA512 24af399120e1fd1967a10cf9b0d84005650be66ebfd3909e4070005e862c03cdd9c0b567159cec2c8227168e4f7aaf0513a65bf7eae6f9ee2027d6891326b9c7

memory/2056-16-0x0000000000400000-0x00000000004C3200-memory.dmp

memory/1676-18-0x0000000000400000-0x00000000004C3200-memory.dmp

memory/1676-20-0x0000000000240000-0x0000000000241000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 09:16

Reported

2024-08-25 09:19

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_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\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c06b57795a419ff24115042ef8be2ae8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2804 -ip 2804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 520

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1296 /prefetch:8

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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/2804-0-0x0000000000400000-0x00000000004C3200-memory.dmp

memory/2804-1-0x0000000000400000-0x00000000004C3200-memory.dmp