Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
14-05-2024 06:03
Behavioral task
behavioral1
Sample
3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe
Resource
win7-20240419-en
8 signatures
150 seconds
General
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Target
3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe
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Size
142KB
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MD5
3f77e8af75b455f40cfa74908ae8bac3
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SHA1
80d2eec53813a6c8017634b11ac6719fa7884aad
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SHA256
4495447ebb434423103b2da44c41c3138a491eb0c3e5c68b33cf362c0a54aa49
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SHA512
ecff89cd29a8e6c927b89ef81d8f5fcd2c9f65320d54816076628f11bf9e68c14794b01f0cebc312ebba2506fcf4b26d12ade32f8e15818fbae603f507f96fb9
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SSDEEP
3072:n3xmcXvQuDsKmmpVXAF6XhO+EVuIXVWRc9PjZj1:nhmcbDs3mppAF6xOqwPdZ
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
iellparent.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE iellparent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies iellparent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 iellparent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 iellparent.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 3 IoCs
Processes:
iellparent.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix iellparent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" iellparent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" iellparent.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
iellparent.exepid process 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe 3156 iellparent.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exepid process 896 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exeiellparent.exedescription pid process target process PID 1228 wrote to memory of 896 1228 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe PID 1228 wrote to memory of 896 1228 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe PID 1228 wrote to memory of 896 1228 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe 3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe PID 3104 wrote to memory of 3156 3104 iellparent.exe iellparent.exe PID 3104 wrote to memory of 3156 3104 iellparent.exe iellparent.exe PID 3104 wrote to memory of 3156 3104 iellparent.exe iellparent.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f77e8af75b455f40cfa74908ae8bac3_JaffaCakes118.exe--94fd74222⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\iellparent.exe"C:\Windows\SysWOW64\iellparent.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\iellparent.exe--39da4bb82⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/896-5-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/896-11-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1228-0-0x0000000000580000-0x0000000000591000-memory.dmpFilesize
68KB
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memory/1228-4-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1228-3-0x0000000000580000-0x0000000000591000-memory.dmpFilesize
68KB
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memory/3104-6-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3156-12-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3156-13-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3156-16-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB