Analysis
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max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-04-2024 07:15
Behavioral task
behavioral1
Sample
e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe
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Size
755KB
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MD5
e970733f711e16e343dffe889bff12e9
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SHA1
f9943502f4e0b28faf60f857539001e177cdacb7
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SHA256
c24a8416ac35c87dd30e5812dafec562b358f87382dfd5100cb62bf20b5c34a4
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SHA512
0023329453894674bf0a9c649a9d368cb0fef3a3cd6d1fc2579b850d5a01b176a69d5e8f1ed01ea1c2f726ee7d42ab1ee31e1f6897985e8bb4d65f75979b36a8
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SSDEEP
12288:xoxejOONAM7GUC1Jr+4o628gx2Jw+tP3Jzm8JORGXCJdw/oX+pd167QhEQO:2xY3NtGUmJr+4Obxd+tPZSZQ/oE6EhE
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2164-14-0x0000000000400000-0x00000000004C8000-memory.dmp fakeav -
Executes dropped EXE 1 IoCs
pid Process 2944 KeyGen.exe -
resource yara_rule behavioral1/memory/2164-8-0x0000000002CE0000-0x0000000002CFF000-memory.dmp upx behavioral1/files/0x0032000000013a14-10.dat upx behavioral1/memory/2944-13-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-15-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-16-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-17-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-18-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-19-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-20-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-21-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-22-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-23-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-24-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-25-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-26-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-27-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2944-28-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\CSRLT.EXE e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe File created C:\Windows\SysWOW64\CSRLT.EXE e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\MSBLT.EXE e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe File opened for modification C:\Windows\MSBLT.EXE e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe File created C:\Windows\KeyGen.exe e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2944 KeyGen.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2944 KeyGen.exe 2944 KeyGen.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2164 wrote to memory of 2944 2164 e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe 28 PID 2164 wrote to memory of 2944 2164 e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe 28 PID 2164 wrote to memory of 2944 2164 e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe 28 PID 2164 wrote to memory of 2944 2164 e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e970733f711e16e343dffe889bff12e9_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\KeyGen.exe"C:\Windows\KeyGen.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD5e3c7d489013b51c671aa79c9068a2a00
SHA1deed13e52afcc9fd2ef326fb6b0aa4bf7fcf14be
SHA2565ea232ac5ebca4584f8689d5a1ed466404272a5c5496f41934537504368b5da2
SHA51218a31ffcc796d6352142374dc0e12d83b9b46d56069a5db26a38b0f6a133302f13d7064bfe9bc16e7a705aeeb2cec2d654863d92280a6085c8202a3c8096b240