Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 19:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe
- Size 8.6MB
- Sample260723-x5evksvhpf
- SHA256 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5
- MD5 2fb282606700a3f3e9d135e2928a0247
- SHA1 14d7919625cd54f2e10c41749bf05549de90aec2
- SHA512 fc331bb3a52f8553d3a1743ca00881413fbcc97ae05f19361bcaf9513bf220819528e45a80398d19b9fa19bfbd7c9a4cbac6eee5addfad6943d1a7eaa19e306f
- SSDEEP 196608:WpRFRTqBtz2zq2+0KqkOF6jtdsMsCOkOF6jtdsMsC:ItTO0b7EdxO7Edx
- TLSH T1E1962362B69180F6D612973088925B39FB71BB420F31CBD74361CE69AD33690EF37256
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\system32\drivers\WdmCompanionFilter64.sys b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe File opened for modification C:\Windows\system32\drivers\WdmCompanionFilter64.sys b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - Executes dropped EXE 2 IoCs
pid Process 1560 WdmCompanionFilter64.sys 440 VMDisk_d64.sys -
resource yara_rule behavioral2/memory/3352-4-0x0000000010000000-0x0000000010071000-memory.dmp vmprotect behavioral2/memory/3352-2-0x0000000010000000-0x0000000010071000-memory.dmp vmprotect behavioral2/files/0x000f00000001c4a2-13.dat vmprotect behavioral2/memory/1560-16-0x0000000000010000-0x0000000000072000-memory.dmp vmprotect - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\VMDisk_d64.sys b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - 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 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 828 Process not Found 828 Process not Found 828 Process not Found - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe Token: SeDebugPrivilege 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe 3352 b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe"C:\Users\Admin\AppData\Local\Temp\b9c56cc1e8965e7dfcdcb5a4662425e297307f4b8c971bbc9022d0c01b0570e5.exe"1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3352
-
C:\Windows\system32\VMDisk_d64.sysC:\Windows\system32\VMDisk_d64.sys1⤵
- Executes dropped EXE
PID:440
-
C:\Windows\system32\drivers\WdmCompanionFilter64.sysC:\Windows\system32\drivers\WdmCompanionFilter64.sys1⤵
- Executes dropped EXE
PID:1560
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\System32\drivers\WdmCompanionFilter64.sys
- Size 214KB
- SHA256 6514eb5f3e3ea445cf0c804a85e4a7d686a9a798990450bbb75d24daa838b9c5
- MD5 256180a2e2525313861f1b673b1762ce
- SHA1 a886c4e98a97bf0de12a477c3f223897203f3649
- SHA512 2cc28acdd20c5f57b1ed0e11cca277c8f479a0f04b06aec96038103432c8dccb8c56ba7870ab7cba4ae525198463b9a8ad2cf1649946952be171f3631bfa1a25
- SSDEEP 6144:Zk1uNbhp0a3U+5/f17kz++OX0KZuZ6ONTRoy559byWFMZC:ZXhq+NkC1+TRoq59b16ZC
- TLSH T18F24126700E44807EC4B0570984ADBF34EF9B62FDB8895853D9976B968C37E84B0DE27
- MD5 SHA1 SHA512 SSDEEP TLSH