Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 19:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
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Target
0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.dll
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Size
712KB
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MD5
0f309596a1cb8132ddeef4d4db5f876a
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SHA1
ef21954925f1413204fdd0573afadb348a0b12ec
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SHA256
da82e77e06919530e2803e1c481bf1f72dd02120179c4fbe5fa8e08c3535d04c
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SHA512
c2871db25e3ec6b63e24dbf1d703eaede6baf0471a0828121282c47e1d0f1ada462b38bae3b48d01d2106772b3c2ec75cd7516ac051c74c91657f4b6bd8e57c6
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SSDEEP
12288:aHCqAM6vj721fUXMgf1PuLpHz9vw8Gjk2PAnq2M7g1at4VHj1RUO:aiqTyO6dMLvwosV7gMt4VHPUO
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.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\ = "td" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.td regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.td\ = "td" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.td\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.td\Clsid\ = "{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-68AF-11D8-9AA8-B98A4A78F931}\ProgID\ = "0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.td" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4656 wrote to memory of 1576 4656 regsvr32.exe 81 PID 4656 wrote to memory of 1576 4656 regsvr32.exe 81 PID 4656 wrote to memory of 1576 4656 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0f309596a1cb8132ddeef4d4db5f876a_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1576
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