Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2025 20:45
Behavioral task
behavioral1
Sample
JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
General
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Target
JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe
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Size
160KB
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MD5
39a55bbb61510135316ee2ff83c6a792
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SHA1
54f3aef6d2b2d354bd89a2b96e375f980482fab2
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SHA256
70b374656caab67d1c2c70c3ce777a546a932a7d903d75aa4598b3eb9e0a34d0
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SHA512
66e52d4a40132f96c0bc06ab49023d7632fd81ff02ca4e614f39b653f3509083c2f373eea43b68c4d1b2930780cd5ff8c5d926b4e7648b2adecf893eb3e62698
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SSDEEP
1536:5EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:yY+4MiIkLZJNAQ9J6v
Malware Config
Signatures
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Tinba family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\913ED930 = "C:\\Users\\Admin\\AppData\\Roaming\\913ED930\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/380-0-0x0000000000400000-0x0000000000428000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1928 4892 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4892 winver.exe 4892 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4892 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 380 wrote to memory of 4892 380 JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe 84 PID 380 wrote to memory of 4892 380 JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe 84 PID 380 wrote to memory of 4892 380 JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe 84 PID 380 wrote to memory of 4892 380 JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe 84 PID 4892 wrote to memory of 3432 4892 winver.exe 56 PID 4892 wrote to memory of 2852 4892 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2852
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39a55bbb61510135316ee2ff83c6a792.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 3524⤵
- Program crash
PID:1928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 48921⤵PID:4952