Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 17:59
Static task
static1
Behavioral task
behavioral1
Sample
643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe
Resource
win7-20240220-en
General
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Target
643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe
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Size
113KB
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MD5
643a1f9e7b6699a63dd5b9719078c63c
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SHA1
7074e1630d36c4586e5e18919968e2e1589f39e4
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SHA256
2e46d920c3a093587ec5544a8032856b31189e84967e92a988be77b3c5e10480
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SHA512
40ea4469321a5ae0ad95ebf10fa0e4242e1bc59e2c6de9cf55ce2aac7ff1adba2d8687404e5343c025eaf96b288c88c97927cb28fc2665754d6f1ce247686a72
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SSDEEP
1536:fosdaSM3ZyoLaTYoMQv7A3UQfaZbIcJm4TpXBQaweLFCexyy/SDSPXIze1XrfBNK:fosdUuIn4luaweLYuyvOPXIzibK
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
deviceevent.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 deviceevent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 deviceevent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE deviceevent.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies deviceevent.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:
deviceevent.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix deviceevent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" deviceevent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" deviceevent.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
deviceevent.exepid process 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe 3440 deviceevent.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exepid process 3912 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exedeviceevent.exedescription pid process target process PID 3088 wrote to memory of 3912 3088 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe PID 3088 wrote to memory of 3912 3088 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe PID 3088 wrote to memory of 3912 3088 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe PID 1936 wrote to memory of 3440 1936 deviceevent.exe deviceevent.exe PID 1936 wrote to memory of 3440 1936 deviceevent.exe deviceevent.exe PID 1936 wrote to memory of 3440 1936 deviceevent.exe deviceevent.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"2⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\deviceevent.exeC:\Windows\SysWOW64\deviceevent.exe1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\deviceevent.exe"C:\Windows\SysWOW64\deviceevent.exe"2⤵
- 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/1936-15-0x0000000000E10000-0x0000000000E1E000-memory.dmpFilesize
56KB
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memory/1936-27-0x0000000000990000-0x000000000099E000-memory.dmpFilesize
56KB
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memory/1936-20-0x0000000000990000-0x000000000099E000-memory.dmpFilesize
56KB
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memory/1936-21-0x0000000000E20000-0x0000000000E30000-memory.dmpFilesize
64KB
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memory/1936-19-0x0000000000E10000-0x0000000000E1E000-memory.dmpFilesize
56KB
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memory/3088-14-0x0000000000A10000-0x0000000000A1E000-memory.dmpFilesize
56KB
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memory/3088-4-0x0000000000A20000-0x0000000000A2E000-memory.dmpFilesize
56KB
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memory/3088-5-0x0000000000A10000-0x0000000000A1E000-memory.dmpFilesize
56KB
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memory/3088-6-0x0000000000A40000-0x0000000000A50000-memory.dmpFilesize
64KB
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memory/3088-1-0x0000000000A20000-0x0000000000A2E000-memory.dmpFilesize
56KB
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memory/3440-26-0x00000000005E0000-0x00000000005EE000-memory.dmpFilesize
56KB
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memory/3440-22-0x00000000005E0000-0x00000000005EE000-memory.dmpFilesize
56KB
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memory/3912-13-0x0000000002160000-0x0000000002170000-memory.dmpFilesize
64KB
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memory/3912-12-0x00000000004D0000-0x00000000004DE000-memory.dmpFilesize
56KB
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memory/3912-7-0x0000000002150000-0x000000000215E000-memory.dmpFilesize
56KB
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memory/3912-11-0x0000000002150000-0x000000000215E000-memory.dmpFilesize
56KB
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memory/3912-28-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/3912-29-0x00000000004D0000-0x00000000004DE000-memory.dmpFilesize
56KB