Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 14:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe
- Size 10.8MB
- Sample260803-rx8vssdm91
- SHA256 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc
- MD5 e5dd4052a9906c717b670f4514955616
- SHA1 a419f9c6ed14a9193adbfc6ae3fcddd338ebf70a
- SHA512 2be8f98a02e5c62b41046dfc1c1028494e805081e1c7aeeb7c778b47e76871b6a1c88e8d710318d77d2b7e5a51783fb41f1f41eb590122d860df303a095bf162
- SSDEEP 98304:MxcJUZK+8z4H+LA8QI9nFH6ii6rBbisE/Ux/VOUx/VgoFqdVq5j:JuZK+wK+LiI9nFH6Ex/T/3dt
- TLSH T100B67D20D207811BF96B01B5DAEDC58C71987AA04B3840D762A46EFEEE2B5E13D3355F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2856 jiK83Qiv5.exe - Loads dropped DLL 1 IoCs
pid Process 2856 jiK83Qiv5.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\vjsc.dll d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jiK83Qiv5.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4136 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe 4156 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe 2856 jiK83Qiv5.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4136 wrote to memory of 4156 4136 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe 89 PID 4156 wrote to memory of 2856 4156 d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe"C:\Users\Admin\AppData\Local\Temp\d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exeC:\Users\Admin\AppData\Local\Temp\d5765bb641533d513be83a2e6ba11f5be1c43b69e518434958df1f36cce6c7bc.exe 410238025E02570271026702700271025E02430266026F026B026C025E0243027202720246026302760263025E0250026D0263026F026B026C0265025E02500247025402500276026A0270026A0268025602400240025E02330234026D025402690268026B025802360277025D023B02460254026A025A0268024F025E0268026B0249023A02310253026B0274023702--a\k\`2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Roaming\REVRthrhjTBB\16oVkjiZ4u_9DVhXjM\jiK83Qiv5.exe"C:\Users\Admin\AppData\Roaming\REVRthrhjTBB\16oVkjiZ4u_9DVhXjM\jiK83Qiv5.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2856
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\REVRthrhjTBB\16oVkjiZ4u_9DVhXjM\jiK83Qiv5.exe
- Size 13KB
- SHA256 bb8284bb92f934d3bb9711450ad66a22f1795c68ceb0af3fd5b2fd7535e9e5ec
- MD5 4153e8141f9b392dfd1be446bade87bd
- SHA1 bc708acdf6b8b60577268a0788f1e375cb3ffeb4
- SHA512 4344990073a3dfe8374431d54dd7e966e6db532b18511702c5c6e7f04669a51cfc9af0b5fffffcbe7e91fd9af519dbc0502323c9a46762a0b86dd939224af1c8
- SSDEEP 192:yl5zoeTMW6vrkvWxoNsDW1uWL/CldolMGo3OuqoMOdLCisXz:yLz7t6AWx4sDWMWLCcMe/oTCp
- TLSH T191524983DB3D911AFCA25FB12269FB027D36F7C10DD39A1315B4A9480C437E69B6062E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\REVRthrhjTBB\16oVkjiZ4u_9DVhXjM\jiK83Qiv5.txt
- Size 139B
- SHA256 91f424b249b8115ff5396b8c086a5acc6e0a272d1ddf142fc809dca02dada3fc
- MD5 8e98e20af29a034206179779adfbef94
- SHA1 9107d321d0ff13429e6ba65463d3b347f12b638e
- SHA512 08a5de98d496778d4633159ea06b64daa4da932f4531a602dea348cb3ae860e475fa8db93ba87dfa57b7f42b8cd2f3a9b64ba112d090fffc3e83fa894f91a2c2
- TLSH T13BC02B50444BD4C8D04774430A5E14CD11C0CCD2F23C00DCAE98D541F44461721332FF
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\vjsc.dll
- Size 2.9MB
- SHA256 bf0b5891690f505fc12d2b936d5e6bfab41cf193258278039eb049677982d5dc
- MD5 60e65ae747ac32e773bbe537404719cf
- SHA1 e79481698eb8a5686c8bb2db6bbf9b43e62cf671
- SHA512 236c97b4d9e2ec31084a3f0bf05c8d00f7306d82101b5cc1111fff246681c6c92f3eb85b02f648cb43f5d237879c65685cc72b00abef43551162bc7a8099a5c4
- SSDEEP 49152:V60CP1QHNYTcc4iPaLxDlcvERNYTcc4iPaLxDlcvEoQqb7r0lwK:VFH2QziPqDucR2QziPqDuch2o
- TLSH T15FE5F112B883CA36D938FB35942C6FD74D9F3D424BA888F7D648706119B16B22476F87
- MD5 SHA1 SHA512 SSDEEP TLSH