Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
05-06-2024 10:48
Static task
static1
Behavioral task
behavioral1
Sample
97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe
Resource
win7-20240508-en
8 signatures
150 seconds
General
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Target
97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe
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Size
183KB
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MD5
97eb0ce9a951dfa9c61c0afb3c655931
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SHA1
52ca04def24e9f51b8bd0a20bd25b7fedf83d539
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SHA256
37466c19bba687306f7bb9d15a78f2542390d2887ab99f89f3e52c0b6dabe33e
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SHA512
aa7cacf336e8597d18f544262feec464789aab66e69402a61c63c9ad2e0fb0e3d99e75d3b479528c0a10c7d02f88ac790568a18a00def93afd3182229c24b7b3
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SSDEEP
3072:XRAjvvW7MmCSth5DZ03sOKIzY9l3RAXBNEcqgT2b6+:hO4MmRDy4kUie
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
commentunpack.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 commentunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE commentunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies commentunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 commentunpack.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:
commentunpack.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix commentunpack.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" commentunpack.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" commentunpack.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
commentunpack.exepid process 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe 3540 commentunpack.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exepid process 2616 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.execommentunpack.exedescription pid process target process PID 2192 wrote to memory of 2616 2192 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe PID 2192 wrote to memory of 2616 2192 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe PID 2192 wrote to memory of 2616 2192 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe PID 2708 wrote to memory of 3540 2708 commentunpack.exe commentunpack.exe PID 2708 wrote to memory of 3540 2708 commentunpack.exe commentunpack.exe PID 2708 wrote to memory of 3540 2708 commentunpack.exe commentunpack.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe--46525ddf2⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\commentunpack.exe"C:\Windows\SysWOW64\commentunpack.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\commentunpack.exe--1f70e9072⤵
- 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/2192-0-0x0000000002050000-0x0000000002061000-memory.dmpFilesize
68KB
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memory/2192-1-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2192-3-0x0000000002050000-0x0000000002061000-memory.dmpFilesize
68KB
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memory/2616-4-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2616-8-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2708-5-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/3540-10-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/3540-11-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/3540-14-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/3540-15-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB