Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22-06-2024 23:32
Behavioral task
behavioral1
Sample
0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
Resource
win10v2004-20240226-en
General
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Target
0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
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Size
178KB
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MD5
0464e88146cf780367e6a7a78229aeaa
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SHA1
aec50374ca16af0c0457c28e673aef0853330fbb
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SHA256
57ff95b705fb01497d867c695b4c749e19fe2d11f20310b17ac3723d17856b36
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SHA512
3c6d5fcfa35d4f2c69d6fc6decd3dfdca2ec77e00d12590d7bc73728d3923ee3172dd672f0b47aedf8361d61a80b2dd3a73a1a249810d7ccac0714aaa446a3aa
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SSDEEP
3072:8ZlJKjH5j+hPo5oVn+6NExxTobbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVUp:87JgwSCbnwvP6bQ7yMP+DE827Dzum
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 regsvr32.exe -
Modifies registry class 17 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\ = "loader 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28 PID 2360 wrote to memory of 1712 2360 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll2⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
PID:1712
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