Analysis
- max time kernel
8s - max time network
23s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/09/2026, 22:22
Behavioral task
behavioral1
Sample
4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe
Resource
win10v2004-20260911-en
6 signatures
40 seconds
General
- Target 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe
- Size 16.5MB
- Sample260928-2aba5ade58
- SHA256 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0
- MD5 4db6445b1aae189e0bd47430b5859a70
- SHA1 6dd1693950cabab05f682c1fc9b66aa23070dc7e
- SHA512 27f1e5d520151fa7f8c92ee88f0b5b247fbb73511acd507fbda06e2b313ae88a604258413b19f9f954110358e4a21a826dafdff34f2d1f79284b50e1625e1fde
- SSDEEP 98304:A5OFRjsIxEMeXpUr7bmGP9yjrQsPP2QZgrqe47f3NTf+3vX/zsvNaSPgOdmKmuA:Ew3x+wrVyjrVPyqemfsQlBPgWm
- TLSH T12907123FB18B653EE06E1A3A7972E610553B666069134C06DBF4C88CDF654B02E3E787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1980 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp - Loads dropped DLL 2 IoCs
pid Process 1980 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp 1980 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.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 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/5080-1-0x0000000000D10000-0x0000000000DF9000-memory.dmp innosetup behavioral2/memory/5080-13-0x0000000000D10000-0x0000000000DF9000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5080 wrote to memory of 1980 5080 4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe"C:\Users\Admin\AppData\Local\Temp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\is-QDC3MZTX0Z.tmp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp"C:\Users\Admin\AppData\Local\Temp\is-QDC3MZTX0Z.tmp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp" /SL5="$400A8,5532779,896000,C:\Users\Admin\AppData\Local\Temp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:1980
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-QDC3MZTX0Z.tmp\4582d2c5b3ec5281c8ca895f0816a53b44299c3431673087988734e2f2082ee0.tmp
- Size 4.2MB
- SHA256 a6831035e465aec1da9a92dc9483235a90bd57d4ca39174de1ac27ce2f8c644f
- MD5 e463eb3ee5100c7aff8d45802064649e
- SHA1 6effe072f3838b4afadbaafbbf8a114417cc61b9
- SHA512 2d5502718391f2daa966e5f2e377dc576e1ecadcf0bb64f0cbefadae16cded62aac7de6bed74ce4993cbcab06f7dba4279ea46e0a106edf1418f4e63257daeb8
- SSDEEP 98304:w9SZUvl30aj90ZFcvdQ0hdgvminQLMj+JX333ck:HItJj90Z6RgKw0
- TLSH T1C4168F03B388753EE4B71A3A883FA654583F7A213A26CD4B6BF40D5C4F396416D2A747
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-TBFZ6CM2HQ.tmp\_isetup\_isdecmp.dll
- Size 34KB
- SHA256 31d04c1e4bfdfa34704c142fa98f80c0a3076e4b312d6ada57c4be9d9c7dcf26
- MD5 c6ae924ad02500284f7e4efa11fa7cfc
- SHA1 2a7770b473b0a7dc9a331d017297ff5af400fed8
- SHA512 f321e4820b39d1642fc43bf1055471a323edcc0c4cbd3ddd5ad26a7b28c4fb9fc4e57c00ae7819a4f45a3e0bb9c7baa0ba19c3ceedacf38b911cdf625aa7ddae
- SSDEEP 768:Z4NHPfHCs6GNOpiM+RFjFyzcN23A4F+OiR9riuujF+X4UriXiRF:Zanvc+R9F4s8/RiPWuUs4UWXiv
- TLSH T11EF23AA1BDED1F53DA8A0A3056C994235C31E1D44B0008F7D5D9CA672A8E3A75FB329F
- MD5 SHA1 SHA512 SSDEEP TLSH