Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 08:04
Behavioral task
behavioral1
Sample
1a88c61fb8455cafb1ceffed4479cf6b_JaffaCakes118.dll
Resource
win7-20240220-en
4 signatures
150 seconds
General
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Target
1a88c61fb8455cafb1ceffed4479cf6b_JaffaCakes118.dll
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Size
8KB
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MD5
1a88c61fb8455cafb1ceffed4479cf6b
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SHA1
941165085e2359cf014e4def34f9317d7ec747e3
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SHA256
08dfaaa9a9629a3e45d5342e52eb8c98978dcbfe9bebdfb5b93ede3dd2d4aa2b
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SHA512
679ce46cec15d59c71951b8476534bf30964449715f73deb490f66e7a47886fd668418bb0a906b5d500a34249910a617ad30caf522e34c6c55893506667430b8
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SSDEEP
96:9chBDf5aR067Jlr+hUkZ2F08+sQloi574V6kib+zNRdebRU/3fz//elTHvJ7a8m:9chJfUt7L/CTHlZ5JYP7oJtm
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/1376-0-0x0000000010000000-0x000000001000A000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ regsvr32.exe -
Modifies registry class 5 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ddd = "ddd" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a88c61fb8455cafb1ceffed4479cf6b_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe PID 1720 wrote to memory of 1376 1720 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1a88c61fb8455cafb1ceffed4479cf6b_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1a88c61fb8455cafb1ceffed4479cf6b_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1376-0-0x0000000010000000-0x000000001000A000-memory.dmpFilesize
40KB