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Analysis
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max time kernel
150s -
max time network
150s -
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, 07:53
Behavioral task
behavioral1
Sample
JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe
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Size
34KB
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MD5
17767858279ab2ce7b8025d8353ddd9e
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SHA1
dd82a2421782a1a8a58e3be37b264b21a28c16d5
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SHA256
4de5024328bda9df588b1cb441ae904446bae07f96e21441deb78947a11e54c0
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SHA512
ca5397aa81ae7e2e4d3f7f906382084710dc0874937f079d7d4d1f77f5020e1b579a0cf12cdc58e27ea606c4f411dee1acfa5365105279fcd242c5ef16183b3e
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SSDEEP
768:4p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:4pYoX58z1uirL98xMWnT0OQ9J2
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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A577DAF5 = "C:\\Users\\Admin\\AppData\\Roaming\\A577DAF5\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4120-0-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1020 2104 WerFault.exe 83 -
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_17767858279ab2ce7b8025d8353ddd9e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2104 winver.exe 2104 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3532 Explorer.EXE Token: SeCreatePagefilePrivilege 3532 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2104 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4120 wrote to memory of 2104 4120 JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe 83 PID 4120 wrote to memory of 2104 4120 JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe 83 PID 4120 wrote to memory of 2104 4120 JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe 83 PID 4120 wrote to memory of 2104 4120 JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe 83 PID 2104 wrote to memory of 3532 2104 winver.exe 56 PID 2104 wrote to memory of 2596 2104 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2596
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120 -
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:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 3524⤵
- Program crash
PID:1020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2104 -ip 21041⤵PID:1120