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Analysis
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max time kernel
150s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 00:05
Behavioral task
behavioral1
Sample
f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe
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Size
13KB
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MD5
f90d1b841509a511a80cb3df2901c817
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SHA1
50717943cf910d1252b6cd75327219a1274bc5ec
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SHA256
350d32527f9981f33a1f080b9eb2984df7f05eba4e0275f26d00ae69baaad551
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SHA512
233714f2aeaf848e61125a025bb19c9e3ba80fe2953dcadf085b2d7485a9ca33089a0484d3177f9c4fe82f48efd2e072a8832f130bbabef61f439747d8cb4dd5
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SSDEEP
384:nLVguK8/7bpobm6hxlFJBH/umdWxfyZeL6o:pguK8HpobmgxPzvdWVyZe
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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Executes dropped EXE 1 IoCs
pid Process 2788 cenvtak.exe -
resource yara_rule behavioral2/memory/1456-0-0x0000000000400000-0x000000000040F000-memory.dmp upx behavioral2/files/0x0008000000023401-4.dat upx behavioral2/memory/1456-6-0x0000000000400000-0x000000000040F000-memory.dmp upx behavioral2/memory/2788-7-0x0000000000400000-0x000000000040F000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\cenvta.dll f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe File created C:\Windows\SysWOW64\cenvtak.exe f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\cenvtak.exe f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1456 wrote to memory of 2788 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 84 PID 1456 wrote to memory of 2788 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 84 PID 1456 wrote to memory of 2788 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 84 PID 1456 wrote to memory of 4472 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 92 PID 1456 wrote to memory of 4472 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 92 PID 1456 wrote to memory of 4472 1456 f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\cenvtak.exeC:\Windows\system32\cenvtak.exe ˜‰2⤵
- Executes dropped EXE
PID:2788
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe.bat2⤵PID:4472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
210B
MD59272802650e157dacef7e71d4429f9b6
SHA12c724bdddd5ca07c26a595822d232055ab38763a
SHA256d3ce7d50594b71cde2cac3e9b54437aea625ceeff0fd7c2097f368c9e6e0ef9a
SHA512926d7334650c6e29a0456b6f4516ec15dc30ba01ed54d6699c99a53106c783faee7f09c0fa0c4488cfadcdb639c60ee2666687017296ceb76e70ad01294bbe97
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Filesize
13KB
MD5f90d1b841509a511a80cb3df2901c817
SHA150717943cf910d1252b6cd75327219a1274bc5ec
SHA256350d32527f9981f33a1f080b9eb2984df7f05eba4e0275f26d00ae69baaad551
SHA512233714f2aeaf848e61125a025bb19c9e3ba80fe2953dcadf085b2d7485a9ca33089a0484d3177f9c4fe82f48efd2e072a8832f130bbabef61f439747d8cb4dd5