Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 16:36
Behavioral task
behavioral1
Sample
1fb1ef6b1014af8e84a43c50fe02d5e0N.dll
Resource
win7-20240705-en
5 signatures
120 seconds
General
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Target
1fb1ef6b1014af8e84a43c50fe02d5e0N.dll
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Size
76KB
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MD5
1fb1ef6b1014af8e84a43c50fe02d5e0
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SHA1
3e652a8da76d019098d4e08b0a6717eb1bc530c0
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SHA256
4cbf42edc0b51cf5ea28372e2a86983ffbcc333598e7c946f071a33a440340f5
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SHA512
e0f1e8c9e0a70dff26637c9cc81f1aa9cd15373fa690ffe5a00faca5f0e9d0fba6c1844062662a7a8817c880c66953b8005924a660087a9e785abbb99dd22dd8
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLkn2U39x:c8y93KQjy7G55riF1cMo03GntT
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/2716-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2716-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2008 2716 WerFault.exe 91 -
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid Process Token: SeDebugPrivilege 2716 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 3468 wrote to memory of 2716 3468 rundll32.exe 91 PID 3468 wrote to memory of 2716 3468 rundll32.exe 91 PID 3468 wrote to memory of 2716 3468 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1fb1ef6b1014af8e84a43c50fe02d5e0N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1fb1ef6b1014af8e84a43c50fe02d5e0N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2716 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 7123⤵
- Program crash
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 27161⤵PID:4288
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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 --field-trial-handle=4608,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4612 /prefetch:81⤵PID:4036