Analysis
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max time kernel
140s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 07:02
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
03dd0841276c4bfc5132977339abbceb_JaffaCakes118.dll
Resource
win7-20240508-en
4 signatures
150 seconds
General
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Target
03dd0841276c4bfc5132977339abbceb_JaffaCakes118.dll
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Size
342KB
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MD5
03dd0841276c4bfc5132977339abbceb
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SHA1
9200f4536be58ceff1e12c007bb4631f0fdcf930
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SHA256
e340a8f1d81d1f1f600846bfa663e2d301b32ed393a9e24c7649a6abdd63f65d
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SHA512
df90fc9dfbcc56c61da52ac5bbc350a5afee5a54f4ba27816f0a98030926528a90561fc4717f35269c116d7eed51328e6b692fc8ed1b483dc3917239b4006e42
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SSDEEP
6144:lBBnAGY3zVZTdBAD/qD4alSDMKgVmmrP3ljilxsOU4IrqBN11kS6IsXM:1ATTTrAD/qs8S4KgFtjIxsZeBN11kA
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2B69B647-690D-487C-AE27-E089EFC0D10D} regsvr32.exe -
Modifies registry class 5 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B69B647-690D-487C-AE27-E089EFC0D10D}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B69B647-690D-487C-AE27-E089EFC0D10D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03dd0841276c4bfc5132977339abbceb_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B69B647-690D-487C-AE27-E089EFC0D10D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B69B647-690D-487C-AE27-E089EFC0D10D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B69B647-690D-487C-AE27-E089EFC0D10D}\ regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 4004 regsvr32.exe 4004 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2140 wrote to memory of 4004 2140 regsvr32.exe regsvr32.exe PID 2140 wrote to memory of 4004 2140 regsvr32.exe regsvr32.exe PID 2140 wrote to memory of 4004 2140 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\03dd0841276c4bfc5132977339abbceb_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\03dd0841276c4bfc5132977339abbceb_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:4004