Analysis
- max time kernel
148s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/07/2026, 04:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target 89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll
- Size 10.9MB
- Sample260729-e43adaea63
- SHA256 89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78
- MD5 01372f4fcf4e21b56da07b1665f27e31
- SHA1 a26a0ddafbe9996379ff923635112f0d16f0cd4a
- SHA512 373dcbcb61fae148e635c578c6554b6d04e27131558cc7506e322ddc9bd7fd2430d3bb3e45078c10e2d861ac9bb7f2580248804d884245ec23058ca4ccf0e7f5
- SSDEEP 196608:ocALpYtURSvd5j7nLQOMWoPVwK2Uus8CsznCcpykVr3puZaQ4:CpYtURSvzfQOMhNXMHrAZB
- TLSH T1D1B63373565A0055E0F4C83A993BBEE171F703664246AC7CE896BAC635EA1F4E313E13
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\EpLog-rundll32-0729123035-2228.log rundll32.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3172 2228 WerFault.exe 84 - 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 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2228 1944 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2228 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 7363⤵
- Program crash
PID:3172
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2228 -ip 22281⤵PID:1604