Analysis
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max time kernel
95s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 10:11
Behavioral task
behavioral1
Sample
21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll
Resource
win7-20240220-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll
Resource
win10v2004-20240508-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll
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Size
12KB
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MD5
21f98758f5febaa14ba81e3c33f9df0d
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SHA1
6d4eb39624514b92b94506cbf7d523e0bb902c6c
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SHA256
6e3e14ede49eb2c111d01133229db9a9bb94ee4607ce18f10c2ca386b16c3b5d
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SHA512
b745dd850d312f9cea64c87bd09ba808d6114039d829d732a93209fc9f146b00ff1abbf2fb6f480543c1732dd5e5d1b69db46a6333dc2f948813571bc3b7c2ad
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SSDEEP
192:Hb9yYeC5l7dFSoS8UQv+wJYuvNBoR/4EStVWHWPsdhA:HByY9EUvd5vNm/+WHWPsd
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4636-0-0x0000000011000000-0x000000001100C000-memory.dmp upx -
Modifies registry class 45 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\TypeLib\ = "{EA12B876-6A30-4DCD-988F-64CFA08075E3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ = "_rem_ctl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\ = "a_inc_module" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\ProgID\ = "a_inc_module.rem_ctl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib\ = "{EA12B876-6A30-4DCD-988F-64CFA08075E3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\VERSION regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib\ = "{EA12B876-6A30-4DCD-988F-64CFA08075E3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ = "_rem_ctl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\ = "a_inc_module.rem_ctl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA12B876-6A30-4DCD-988F-64CFA08075E3}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\VERSION\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a_inc_module.rem_ctl regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a_inc_module.rem_ctl\ = "a_inc_module.rem_ctl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a_inc_module.rem_ctl\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a_inc_module.rem_ctl\Clsid\ = "{96C2D7DD-CD4E-4025-936D-B838BB6D7344}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96C2D7DD-CD4E-4025-936D-B838BB6D7344}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32429CC2-81CF-4614-AFFE-73F504FF6490}\ = "rem_ctl" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 4636 4932 regsvr32.exe 81 PID 4932 wrote to memory of 4636 4932 regsvr32.exe 81 PID 4932 wrote to memory of 4636 4932 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\21f98758f5febaa14ba81e3c33f9df0d_JaffaCakes118.dll2⤵
- Modifies registry class
PID:4636
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