Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 00:21
Behavioral task
behavioral1
Sample
96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe
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Size
388KB
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MD5
96bf6cd67a17a9d1a9fbc7ff04dcfe72
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SHA1
b593c9d0311c4ead374c97eaecad143b542b610a
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SHA256
e9c320fc6f33b99e8cf439454854347febb9852719009cf2befc9c7ce9e58c34
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SHA512
bf50f4dc42e1cc053e53516be4c3d7da69e6acc11e52cac7acb0fe8cc8c0050019f5381234a918d5eda7ac654f314eb124c331d1f82cb7c82a8175c3028e4f3e
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SSDEEP
12288:Y/ty+eQlA2ILxdC64exOXrB6izYSnj3X/x:Y1y+plA2HMxsCSnjJ
Malware Config
Signatures
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Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral1/files/0x000c00000001470b-10.dat disable_win_def behavioral1/memory/2500-16-0x0000000000B30000-0x0000000000B5E000-memory.dmp disable_win_def -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection Disable-Windows-Defender.vmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Disable-Windows-Defender.vmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Disable-Windows-Defender.vmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Disable-Windows-Defender.vmp.exe -
Executes dropped EXE 1 IoCs
pid Process 2500 Disable-Windows-Defender.vmp.exe -
Loads dropped DLL 1 IoCs
pid Process 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral1/memory/2292-1-0x0000000000190000-0x000000000020A000-memory.dmp vmprotect behavioral1/files/0x000c00000001470b-10.dat vmprotect behavioral1/memory/2500-16-0x0000000000B30000-0x0000000000B5E000-memory.dmp vmprotect -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features Disable-Windows-Defender.vmp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe" 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 icanhazip.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2700 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe Token: SeDebugPrivilege 2700 powershell.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2500 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe 29 PID 2292 wrote to memory of 2500 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe 29 PID 2292 wrote to memory of 2500 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe 29 PID 2292 wrote to memory of 2500 2292 96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe 29 PID 2500 wrote to memory of 2700 2500 Disable-Windows-Defender.vmp.exe 30 PID 2500 wrote to memory of 2700 2500 Disable-Windows-Defender.vmp.exe 30 PID 2500 wrote to memory of 2700 2500 Disable-Windows-Defender.vmp.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\96bf6cd67a17a9d1a9fbc7ff04dcfe72_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\Disable-Windows-Defender.vmp.exe"C:\Users\Admin\AppData\Local\Disable-Windows-Defender.vmp.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
143KB
MD5787f632e3502dc87a30e82543b89bfa9
SHA1f430ee7e9e6381877a2f05475c4911dfebf72290
SHA256358358793c2e152bbc2cc78a29fba9b52beb0d51b071ae680449808593fc76a3
SHA512e0f74f229917f4568fc13092e61c70aeb9bbcb2549796afa25f3fdf46dd0fd943e01b455bd50e35bc4f505e6f26dba5d1f0823005c2c64c0205a4f9c05bba2df