Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 06:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmpuwew8k73.dll
Resource
win10ltsc2021-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpuwew8k73.dll
Resource
win10v2004-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmpuwew8k73.dll
Resource
win11-20260513-en
5 signatures
150 seconds
General
- Target tmpuwew8k73.dll
- Size 1.1MB
- Sample260602-hfe2qagx2m
- SHA256 c4ab81d7b7d44dd6dfc4f2b69dbe3f22fbf23c1ae49ab8edac2d26f85ae4514d
- MD5 54a3bcca6b1eb92adb299a46df941826
- SHA1 6988e010056d88985b8e8f8de06706327779d3ca
- SHA512 4e4f10abf8a97f649060cb3eaa125a487141a42b87d2dc1449d87531d927031279bd7b48a3859ffa8f5d4400deea77022ecb00c61de8511756dc9c0d27e3f150
- SSDEEP 24576:I+Z6pjqiycCc0Ic7dYnG8896mYdB3g17yp/Xx3xShc1ZcQGcoCKVXUGGotVjYmM+:fY+ICc0t7iG88Rp7AfxBShc1ZcQGZlVx
- TLSH T104451F543A54F411EAA96972CF2AC5FD07057D49EFF1B49B78E03E0F2AAE8A3D511302
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Badlisted process makes network request 9 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 8 4124 msiexec.exe 9 4124 msiexec.exe 10 4124 msiexec.exe 12 4124 msiexec.exe 14 4124 msiexec.exe 15 4124 msiexec.exe 16 4124 msiexec.exe 17 4124 msiexec.exe 18 4124 msiexec.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2076 set thread context of 4124 2076 rundll32.exe 80 - System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe Token: SeShutdownPrivilege 2076 rundll32.exe Token: SeCreatePagefilePrivilege 2076 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2456 wrote to memory of 2076 2456 rundll32.exe 79 PID 2076 wrote to memory of 4124 2076 rundll32.exe 80 PID 2076 wrote to memory of 4124 2076 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpuwew8k73.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpuwew8k73.dll,#12⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
PID:4124
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