Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 03:38
Static task
static1
Behavioral task
behavioral1
Sample
d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.dll
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Size
710KB
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MD5
d5985f8c5a0f85d9fedfbc44903d3015
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SHA1
f3dd1e127e133c2d2532b185fb02b6bd9637fd04
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SHA256
c76b06afbdd03df97f80c87f01a2cde48dedf4edfa0b6dbb4ec671deee4e96f9
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SHA512
bb2f473157c626f904dbc506b9470d48d3080cba7d433b32075d54447fd37bac590d42b714f7c00d98d8437040456c2f2d86c32460bae40ce420584a41ce6218
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SSDEEP
12288:yHCqAM6vj721fUXMgf1PuLpHz9vw8Gjk2PFnZNpyUt4VQ1RUO:yiqTyO6dMLvwosXNdt4VyUO
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-BC55-CF1C-4FC4-E5C7823EBE6E} regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.td\Clsid\ = "{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\ = "td" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.td\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\ProgID\ = "d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.td" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BC55-CF1C-4FC4-E5C7823EBE6E}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.td regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.td\ = "td" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31 PID 2316 wrote to memory of 2280 2316 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\d5985f8c5a0f85d9fedfbc44903d3015_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2280
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