Malware Analysis Report

2025-03-15 04:38

Sample ID 241027-2cplja1qb1
Target 7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118
SHA256 fc578d4bd8ad8c654e61cf4accb38297784bd29a94de2019b6ab0162e96387b8
Tags
discovery persistence spyware stealer
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

fc578d4bd8ad8c654e61cf4accb38297784bd29a94de2019b6ab0162e96387b8

Threat Level: Shows suspicious behavior

The file 7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence spyware stealer

Reads user/profile data of web browsers

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 22:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 22:26

Reported

2024-10-27 22:29

Platform

win7-20240903-en

Max time kernel

140s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\7640952d4966fff7c8c0b851b61bfcc5_jaffacakes118 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7640952d4966fff7c8c0b851b61bfcc5_jaffacakes118 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_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:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Zoom C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\GPU C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\IETld\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\IntelliForms C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9A780871-94B2-11EF-94A4-62CAC36041A9} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "436229900" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\PageSetup C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\DomainSuggestion C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 1880 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2156 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe
PID 2844 wrote to memory of 2736 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 2844 wrote to memory of 2736 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 2844 wrote to memory of 2736 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 2844 wrote to memory of 2736 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe /scomma C:\Users\Admin\AppData\Local\Temp\EHHECAWJUGP.data /nosort

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

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

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2844 CREDAT:275457 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 toolbar.fred.to udp
US 8.8.8.8:53 44cb730c42.to udp
US 204.79.197.200:443 ieonline.microsoft.com tcp
US 204.79.197.200:443 ieonline.microsoft.com tcp
US 204.79.197.200:443 ieonline.microsoft.com tcp

Files

memory/2156-2-0x0000000000400000-0x000000000045F000-memory.dmp

memory/1880-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2156-8-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2156-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2156-4-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2156-0-0x0000000000400000-0x000000000045F000-memory.dmp

memory/3032-14-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-18-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-21-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-27-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-31-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-24-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-16-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-33-0x0000000000400000-0x000000000044F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\EHHECAWJUGP.data

MD5 ce4e51c5a13c69d59615e9e6a7fff6ca
SHA1 45ab637691ecb82e5053ab346d0b3db23e324dcb
SHA256 7cdd783ce7f2fc8089bb02f4caf33396c4a2c6f8ad399dc4982afd02876e8efd
SHA512 cc3553fdd0e2d37b94f7fa8330835acd692cd3103e0bf431fe9581e845fe9fe9705c2252113f4a30f2623b34295ad3d1197ec275ef857cd75ed1c2087c537b58

memory/2156-36-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2156-37-0x0000000000400000-0x000000000045F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabCC45.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarCCE5.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5 c1b8b387a61fd61eed3322c78e602c86
SHA1 cb6d12af82304ae4417d5464ed9b37130f0310c8
SHA256 e39ad6529877fa30cc95983e74c6fb4327b163afea7458dd3af1903fa3016a9b
SHA512 259c904e2531959a7b31c0a613d6b3d8e3a0aa90749eff812e9a7769bd8cbf199953dd827205edf3aa5e401e4e053aee3323c78366de07c3e33cb9db165778eb

memory/2156-471-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2156-477-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 22:26

Reported

2024-10-27 22:29

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7640952d4966fff7c8c0b851b61bfcc5_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2064 -ip 2064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 12

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 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.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 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/512-0-0x0000000000400000-0x0000000000408000-memory.dmp