Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 12:07
Behavioral task
behavioral1
Sample
931be33533103b35872fe5528703c7ad684b2a2825dc62029e77d4f0b6b05eac.dll
Resource
win10v2004-20260513-en
6 signatures
150 seconds
General
- Target 931be33533103b35872fe5528703c7ad684b2a2825dc62029e77d4f0b6b05eac.dll
- Size 15.4MB
- Sample260601-paktcaay6x
- SHA256 931be33533103b35872fe5528703c7ad684b2a2825dc62029e77d4f0b6b05eac
- MD5 e89582cad0bb50600cd0ca4eff8d696a
- SHA1 e16075c07462d32401b71614a3be262dddc69972
- SHA512 96fa985734ac22b818aaf1806469b4684f3ae752f26e9086591802340a210b1568b7164f7b8e86fd0ecfadd3e4cd69a5defad8b59b5da55224f4098695e47368
- SSDEEP 393216:fY5eTei48PDtWxDSer0m3UVCN+Pvnb7SV2KBoU8O0VWhOdlF:wVX8whJAFVCGvHSVf8O0VWhqlF
- TLSH T192F63357E2F72255F6E6C1319369BAA18A3B5C3F05317032EE2BE7C199712E22DC4193
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\7z.dll rundll32.exe File created C:\Windows\SysWOW64\audio.xml rundll32.exe -
resource yara_rule behavioral2/memory/900-0-0x0000000010000000-0x0000000011623000-memory.dmp upx behavioral2/memory/900-4-0x0000000010000000-0x0000000011623000-memory.dmp upx behavioral2/memory/900-5-0x0000000010000000-0x0000000011623000-memory.dmp upx - 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 AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 900 rundll32.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 900 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1520 wrote to memory of 900 1520 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\931be33533103b35872fe5528703c7ad684b2a2825dc62029e77d4f0b6b05eac.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\931be33533103b35872fe5528703c7ad684b2a2825dc62029e77d4f0b6b05eac.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:900
-