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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2024, 12:18
Static task
static1
Behavioral task
behavioral1
Sample
e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
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Size
22KB
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MD5
e27733f1963c8003e64924a21b922935
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SHA1
dadd62ebbf8367c1fc2ff9f8229e51176a92d391
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SHA256
59420289a875421fcdfad69cc22caec3ac6d65a452feff54b7264304bf791748
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SHA512
e15973c459bfef013bbcbbb88403e463f7b76f0f11148104f6721f6838da5077085c3ef25350085aa522c817445b83602beb495148a44af1d1ed6eab82d0f70c
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SSDEEP
384:kb7SsYNqbcgQshC+SWZX9/6fIqkHPnGrirMD4dAsIn3TpUaQQ:+7Fbcgbd9SA/HP1MGYNU
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1640 dfrgfat32.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\FAT Defragmentation dfrgfat32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\FAT Defragmentation\ = "Service" dfrgfat32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\dfrgfat32.exe e27733f1963c8003e64924a21b922935_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dfrgfat32.exe e27733f1963c8003e64924a21b922935_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dfrgfat32.exe dfrgfat32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1396 1640 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e27733f1963c8003e64924a21b922935_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfrgfat32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5032 wrote to memory of 1640 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 85 PID 5032 wrote to memory of 1640 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 85 PID 5032 wrote to memory of 1640 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 85 PID 5032 wrote to memory of 4488 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 93 PID 5032 wrote to memory of 4488 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 93 PID 5032 wrote to memory of 4488 5032 e27733f1963c8003e64924a21b922935_JaffaCakes118.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\dfrgfat32.exeC:\Windows\system32\dfrgfat32.exe2⤵
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1640 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 12643⤵
- Program crash
PID:1396
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\destroy.cmd C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\destroy.cmd2⤵
- System Location Discovery: System Language Discovery
PID:4488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1640 -ip 16401⤵PID:1064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
105B
MD5baa7e02670be801bbc88053906cd3cfd
SHA177e6ba7c88e537d4a429d158b32556b029992061
SHA256ed9ca56eb043077229e56d79dc1f6863037607bf7eb10a368af8c0aea5680da2
SHA512c7692ca0f30bee7cfe8e937bc9cf0e329d666e5fae844df693121f2678c224a85016eaf7a19e22ebbdf3b14e88bb1d7f1b86e944afdb2fd52cab7ad8aed2303f
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Filesize
22KB
MD5e27733f1963c8003e64924a21b922935
SHA1dadd62ebbf8367c1fc2ff9f8229e51176a92d391
SHA25659420289a875421fcdfad69cc22caec3ac6d65a452feff54b7264304bf791748
SHA512e15973c459bfef013bbcbbb88403e463f7b76f0f11148104f6721f6838da5077085c3ef25350085aa522c817445b83602beb495148a44af1d1ed6eab82d0f70c