Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 05:31
Static task
static1
Behavioral task
behavioral1
Sample
d55230135f27614e2298bf3a1fc7acde.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d55230135f27614e2298bf3a1fc7acde.dll
Resource
win10v2004-20240226-en
General
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Target
d55230135f27614e2298bf3a1fc7acde.dll
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Size
29KB
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MD5
d55230135f27614e2298bf3a1fc7acde
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SHA1
bb2f68be43c98ea99ba5a0703f026c010a7dce11
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SHA256
12f150fe5597afc069d2811bf6cc85507fcf51dc53b8014f8be68848efb64fde
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SHA512
7f1f8a0808bc5b58069ff99b73eb9115cf1893d6cce22ef755e034d9fc1acd23d7b141825ab037a2bd469e5fa17ee4c108b6999edd7fa3b6645519727c7adf8c
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SSDEEP
384:B6BLbarAB0nMuyJwPR8cgazB1Ag9LsuJMDcsWTD/k/grQg2SZEcxrP7W6WWr+Lh:B6BGizo1AQLm3WTLggESZEMrPZyt
Malware Config
Signatures
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Sets file execution options in registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe\Debugger = "C:\\Program Files\\Internet Explorer\\rundll32 setupapi.dll,s" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe rundll32.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1812 wrote to memory of 1848 1812 rundll32.exe 95 PID 1812 wrote to memory of 1848 1812 rundll32.exe 95 PID 1812 wrote to memory of 1848 1812 rundll32.exe 95 PID 1848 wrote to memory of 1784 1848 rundll32.exe 98 PID 1848 wrote to memory of 1784 1848 rundll32.exe 98 PID 1848 wrote to memory of 1784 1848 rundll32.exe 98
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d55230135f27614e2298bf3a1fc7acde.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d55230135f27614e2298bf3a1fc7acde.dll,#12⤵
- Sets file execution options in registry
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\rundll32.exerundll32 C:\Users\Admin\AppData\Local\Temp\d55230135f27614e2298bf3a1fc7acde.dll,#13⤵
- Checks BIOS information in registry
PID:1784
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵PID:2124