Analysis
- max time kernel
148s - max time network
121s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/06/2026, 01:14
Behavioral task
behavioral1
Sample
update4_21[6].exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
General
- Target update4_21[6].exe
- Size 1.4MB
- Sample260622-blx16ags9p
- SHA256 60c6aef287f9e5f6c8f2d08e313a066a6408742925ce1348694e57ec505f759a
- MD5 95d01ae73300d940b0ccc30245023008
- SHA1 de3a655d82a2b5e48a62dbce5f305158668f9652
- SHA512 6dc67f26d9dfd1deaf7c67980e1061ceba957d1e1feab8dce0768e1692b8fc107bb0fbffc613b9637094bd80b412487b88dcbf56979edaaf0f8bda11fb82af88
- SSDEEP 24576:5nalynkOTvp9KrWE11ZBWUHdN6lPPRYsbLzR6AtLfrRPCJql+BYGkS3rJQBtUkBw:5agkOTvEWERBWi6lP2c/tL1CJq0iWina
- TLSH T17D653307BBA28EBFD5B0D7311D664691D63F2D200D36D92AA78C969F8EA6050440F377
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5900 update4_21[6].tmp - 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 update4_21[6].exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update4_21[6].tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/2228-1-0x0000000000400000-0x0000000000414000-memory.dmp innosetup behavioral2/memory/2228-16-0x0000000000400000-0x0000000000414000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2228 wrote to memory of 5900 2228 update4_21[6].exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\update4_21[6].exe"C:\Users\Admin\AppData\Local\Temp\update4_21[6].exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\is-J6NNN.tmp\update4_21[6].tmp"C:\Users\Admin\AppData\Local\Temp\is-J6NNN.tmp\update4_21[6].tmp" /SL5="$3021A,1211778,54272,C:\Users\Admin\AppData\Local\Temp\update4_21[6].exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5900
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-J6NNN.tmp\update4_21[6].tmp
- Size 688KB
- SHA256 c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28
- MD5 c765336f0dcf4efdcc2101eed67cd30c
- SHA1 fa0279f59738c5aa3b6b20106e109ccd77f895a7
- SHA512 06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891
- SSDEEP 12288:YRObekMtkfohrPUs37uzHnA6zg5cIsalHERjUrNN/RQ9wgUT5EDExyc:yObekYkfohrP337uzHnA6cHswHE/6gU3
- TLSH T130E47C32F2A08837D1B31E789D1B86955936BE103E38A59737E81F4C4F796817A273D2
- MD5 SHA1 SHA512 SSDEEP TLSH