Analysis
- max time kernel
108s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/06/2026, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
tmp5r01t_ve.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmp5r01t_ve.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmp5r01t_ve.exe
Resource
win11-20260513-en
General
- Target tmp5r01t_ve.exe
- Size 4.1MB
- Sample260609-mfpy5sgx71
- SHA256 a3d49bb9d44da26bc5c3650be6b3663429cc7bd6e02d0483994f5c5a06949002
- MD5 2341776828b862034d3d4c9b23b40b29
- SHA1 7f7ab6d3197cfec74dccf6f352107a2685e37d60
- SHA512 8c5991c9fc17ef0b97d984c4d18d23f5821d1fccb941a3fd81b1bac12690e589984a6e5ed8cc36c38fa13da6e47d4220bc97f84d6e6a17e7ba372f6848c7a661
- SSDEEP 49152:xlBep/VOTg1p7RXKO63AZ15KC+5WvEt6b/ZuM7XJUEM/iIgO2i5KB8vKMW+BXUEW:xveFPdyQZ1oKN7MMDJw3vKh+XcPCZK
- TLSH T19A1633F1B691CC77D8AA363445679F950ABFFA40C1B814A73A3846296DE73C0613732B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4120-2-0x0000000002F30000-0x00000000037A6000-memory.dmp family_glupteba behavioral2/memory/4120-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4120-4-0x0000000002F30000-0x00000000037A6000-memory.dmp family_glupteba behavioral2/memory/588-6-0x0000000002980000-0x0000000002D71000-memory.dmp family_glupteba behavioral2/memory/588-10-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3896-15-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4624-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4220-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4648-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-35-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-36-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-37-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-38-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-39-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-40-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2432-41-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2136 netsh.exe - Executes dropped EXE 6 IoCs
pid Process 2432 csrss.exe 3896 csrss.exe 4220 csrss.exe 4624 csrss.exe 4140 injector.exe 4648 csrss.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" tmp5r01t_ve.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 74 raw.githubusercontent.com 75 raw.githubusercontent.com - Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe - Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN tmp5r01t_ve.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe tmp5r01t_ve.exe File opened for modification C:\Windows\rss tmp5r01t_ve.exe - Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - System Location Discovery: System Language Discovery 1 TTPs 7 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 csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmp5r01t_ve.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmp5r01t_ve.exe - Modifies data under HKEY_USERS 40 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.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 4524 schtasks.exe 1536 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4120 tmp5r01t_ve.exe 4120 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 588 tmp5r01t_ve.exe 3896 csrss.exe 3896 csrss.exe 4140 injector.exe 4140 injector.exe 4624 csrss.exe 4624 csrss.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 2432 csrss.exe 2432 csrss.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 2432 csrss.exe 2432 csrss.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe 4140 injector.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4120 tmp5r01t_ve.exe Token: SeImpersonatePrivilege 4120 tmp5r01t_ve.exe Token: SeDebugPrivilege 3896 csrss.exe Token: SeImpersonatePrivilege 3896 csrss.exe Token: SeSystemEnvironmentPrivilege 2432 csrss.exe Token: SeDebugPrivilege 4624 csrss.exe Token: SeImpersonatePrivilege 4624 csrss.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 588 wrote to memory of 2868 588 tmp5r01t_ve.exe 93 PID 2868 wrote to memory of 2136 2868 cmd.exe 95 PID 588 wrote to memory of 2432 588 tmp5r01t_ve.exe 96 PID 2432 wrote to memory of 4140 2432 csrss.exe 112 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp5r01t_ve.exe"C:\Users\Admin\AppData\Local\Temp\tmp5r01t_ve.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4120 -
C:\Users\Admin\AppData\Local\Temp\tmp5r01t_ve.exe"C:\Users\Admin\AppData\Local\Temp\tmp5r01t_ve.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2136
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:4524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1584
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4140
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1536
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C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3896 -
C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4220
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624 -
C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4648
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
- Size 281KB
- SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
- MD5 d98e33b66343e7c96158444127a117f6
- SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
- SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
- SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
- TLSH T17B546C5AB2A918F8ED77823CC8525516F672B8160730D6EF03A447672F276E09D3FB21
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\rss\csrss.exe
- Size 4.1MB
- SHA256 a3d49bb9d44da26bc5c3650be6b3663429cc7bd6e02d0483994f5c5a06949002
- MD5 2341776828b862034d3d4c9b23b40b29
- SHA1 7f7ab6d3197cfec74dccf6f352107a2685e37d60
- SHA512 8c5991c9fc17ef0b97d984c4d18d23f5821d1fccb941a3fd81b1bac12690e589984a6e5ed8cc36c38fa13da6e47d4220bc97f84d6e6a17e7ba372f6848c7a661
- SSDEEP 49152:xlBep/VOTg1p7RXKO63AZ15KC+5WvEt6b/ZuM7XJUEM/iIgO2i5KB8vKMW+BXUEW:xveFPdyQZ1oKN7MMDJw3vKh+XcPCZK
- TLSH T19A1633F1B691CC77D8AA363445679F950ABFFA40C1B814A73A3846296DE73C0613732B
- MD5 SHA1 SHA512 SSDEEP TLSH