glupteba | 9967b489bcc20736c74662fdaecb06685bd0b8b97bd4b6caee088bb00d591cc0

Analysis

max time kernel
150s
max time network
151s
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, 10:35

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General

Target
tmp7mi1v9ue.exe
Size 4.1MB
Sample260609-mmxbsshv3q
SHA256 9967b489bcc20736c74662fdaecb06685bd0b8b97bd4b6caee088bb00d591cc0
MD5 2065d86fd47e20b992f7db761971fafb
SHA1 340fde47241d1ee4a63c2a2f82185dc4812261c1
SHA512 04992e7ce00f424113c514c1140a0f3e8635b59c9e67a924146be55f4181e29a154b98de96aea6d138272c57a13b32901bdc7056e126d5cabea485ddfa04d872
SSDEEP 98304:NgV0vv5C1+4lZEiuh95uDbA2Aq1gpk2phHhQEBTD/8:6/1hiribAnq1OphK08
TLSH
T14F1633317A48C630C9A71A344A7B7678467FB57063B90A575AE41B3C8F303D6723A68F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery dropper execution glupteba loader persistence privilege_escalation rootkit

Malware Config

Signatures

Family: Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 22 IoCs

resource	yara_rule
behavioral2/memory/1180-2-0x0000000002CE0000-0x0000000003557000-memory.dmp	family_glupteba
behavioral2/memory/1180-4-0x0000000002CE0000-0x0000000003557000-memory.dmp	family_glupteba
behavioral2/memory/1180-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/5016-10-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4448-16-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1696-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3484-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3944-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-34-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-35-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-36-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-37-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-38-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-39-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-40-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-41-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-42-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4596-43-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1496	netsh.exe

Executes dropped EXE 6 IoCs

pid	Process
4596	csrss.exe
4448	csrss.exe
1696	csrss.exe
384	injector.exe
3484	csrss.exe
3944	csrss.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	tmp7mi1v9ue.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit defense_evasion

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.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	tmp7mi1v9ue.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	tmp7mi1v9ue.exe
File created	C:\Windows\rss\csrss.exe	tmp7mi1v9ue.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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

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.

discovery

System Language Discovery

T1614.001

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	tmp7mi1v9ue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp7mi1v9ue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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.

persistence execution

Scheduled Task

T1053.005

pid	Process
1948	schtasks.exe
2476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1180	tmp7mi1v9ue.exe
1180	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
5016	tmp7mi1v9ue.exe
4448	csrss.exe
4448	csrss.exe
384	injector.exe
384	injector.exe
3484	csrss.exe
3484	csrss.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
4596	csrss.exe
4596	csrss.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
4596	csrss.exe
4596	csrss.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe
384	injector.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	tmp7mi1v9ue.exe
Token: SeImpersonatePrivilege	1180	tmp7mi1v9ue.exe
Token: SeDebugPrivilege	4448	csrss.exe
Token: SeImpersonatePrivilege	4448	csrss.exe
Token: SeSystemEnvironmentPrivilege	4596	csrss.exe
Token: SeDebugPrivilege	3484	csrss.exe
Token: SeImpersonatePrivilege	3484	csrss.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 2544	5016	tmp7mi1v9ue.exe	94
PID 2544 wrote to memory of 1496	2544	cmd.exe	96
PID 5016 wrote to memory of 4596	5016	tmp7mi1v9ue.exe	98
PID 4596 wrote to memory of 384	4596	csrss.exe	116

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\tmp7mi1v9ue.exe
"C:\Users\Admin\AppData\Local\Temp\tmp7mi1v9ue.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180
- C:\Users\Admin\AppData\Local\Temp\tmp7mi1v9ue.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7mi1v9ue.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:5016
- - C:\Windows\system32\cmd.exe
    C:\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:2544
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:1496
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4596
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1948
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1968
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:384
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2476

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:4448
- C:\Windows\rss\csrss.exe
  "C:\Windows\rss\csrss.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1696

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:3484
- C:\Windows\rss\csrss.exe
  "C:\Windows\rss\csrss.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3944

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

injector.exe

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

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csrss.exe

Path C:\Windows\rss\csrss.exe
Size 4.1MB
SHA256 9967b489bcc20736c74662fdaecb06685bd0b8b97bd4b6caee088bb00d591cc0
MD5 2065d86fd47e20b992f7db761971fafb
SHA1 340fde47241d1ee4a63c2a2f82185dc4812261c1
SHA512 04992e7ce00f424113c514c1140a0f3e8635b59c9e67a924146be55f4181e29a154b98de96aea6d138272c57a13b32901bdc7056e126d5cabea485ddfa04d872
SSDEEP 98304:NgV0vv5C1+4lZEiuh95uDbA2Aq1gpk2phHhQEBTD/8:6/1hiribAnq1OphK08
TLSH
T14F1633317A48C630C9A71A344A7B7678467FB57063B90A575AE41B3C8F303D6723A68F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1180-2-0x0000000002CE0000-0x0000000003557000-memory.dmp

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memory/1180-4-0x0000000002CE0000-0x0000000003557000-memory.dmp

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memory/1180-3-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/1180-1-0x0000000001040000-0x0000000001436000-memory.dmp

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memory/1696-24-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/3484-27-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/3944-29-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4448-16-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-36-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-35-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-30-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-31-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-32-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-33-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-34-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-43-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-42-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-37-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-38-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-39-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-40-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/4596-41-0x0000000000400000-0x0000000000C91000-memory.dmp

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memory/5016-6-0x0000000001030000-0x0000000001421000-memory.dmp

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memory/5016-10-0x0000000000400000-0x0000000000C91000-memory.dmp

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