Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/10/2024, 08:35
Static task
static1
Behavioral task
behavioral1
Sample
16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll
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Size
48KB
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MD5
16f4c83dfaa0865f5c62b883f8df2149
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SHA1
a772608aaef71eda9e6731412da47cc8bb5e504f
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SHA256
a60c453aa133072f5276e2c7d04c2fe29d4eb00b69edb6a36953959fa04c4a73
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SHA512
4d4325cdf3f377f8861aab4a7b1e45ee387200ce208d95e31175e07cbc97918ac76ae822b0e8f10451186fb810ab03cb26ff7f8e829450d06a4099074240d6c1
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SSDEEP
768:p+2afGQmjyVfV1zV9KRSYAoFDZocP1ek3EgLgPkiBVdzcvQ/CQWLSeuF5UD:VAsjyV7RkAotTPak+dzB/C9uF5
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\{3C4B6AAC-67FB-49A9-B98E-5846910E769D} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3C4B6AAC-67FB-49A9-B98E-5846910E769D}\NoExplorer = "1" regsvr32.exe -
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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBarLayout = 110000000000000000000000040000001f0000000000000001000000000000000000000005000000000400000000000002000000010000000000000004000000a100000000000000030000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBar7Layout = 130000000000000000000000040000001f0000000000000001000000000000000000000005000000000400000000000002000000010000000000000004000000a100000000000000030000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3C4B6AAC-67FB-49A9-B98E-5846910E769D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3C4B6AAC-67FB-49A9-B98E-5846910E769D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3C4B6AAC-67FB-49A9-B98E-5846910E769D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage regsvr32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 2196 wrote to memory of 1784 2196 regsvr32.exe 30 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31 PID 1784 wrote to memory of 2848 1784 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\16f4c83dfaa0865f5c62b883f8df2149_JaffaCakes118.dll",DllGetObjectType3⤵
- System Location Discovery: System Language Discovery
PID:2848
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