Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
13-07-2024 10:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4154389813e1b6e277025e7196cd44d7_JaffaCakes118.dll
Resource
win7-20240708-en
windows7-x64
3 signatures
150 seconds
General
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Target
4154389813e1b6e277025e7196cd44d7_JaffaCakes118.dll
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Size
11KB
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MD5
4154389813e1b6e277025e7196cd44d7
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SHA1
5f39116db43b79106cb87722e18114a26c09e0d9
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SHA256
1244c8266aa9212ea67aa45efc0fc6672250b418e7d3770a174a6de5fa79b98a
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SHA512
28c77519b28d05ef7cafe8c6fb86800bc5f4bbd3df6a1d5b19f0923d801e3cb7691bd00f9f85b433e3a474ca119dcc57415586c39ab83f6a63a426012d4d80bd
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SSDEEP
192:4Bff5QGymiCxUE97SDSIbrFApfrV0EGBwKy+rHBPQqJL+//RBMP:4pO2V9JXBVRKwKyUH2qNkR
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{36ADA89D-2440-4DC4-820A-3A05E8630935} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{36ADA89D-2440-4DC4-820A-3A05E8630935}\ regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{36ADA89D-2440-4DC4-820A-3A05E8630935} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36ADA89D-2440-4DC4-820A-3A05E8630935}\xxx = "xxx" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{36ADA89D-2440-4DC4-820A-3A05E8630935}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36ADA89D-2440-4DC4-820A-3A05E8630935}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4154389813e1b6e277025e7196cd44d7_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36ADA89D-2440-4DC4-820A-3A05E8630935}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5112 wrote to memory of 844 5112 regsvr32.exe 83 PID 5112 wrote to memory of 844 5112 regsvr32.exe 83 PID 5112 wrote to memory of 844 5112 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4154389813e1b6e277025e7196cd44d7_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4154389813e1b6e277025e7196cd44d7_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:844
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