glupteba | 433ec815318e439551d66ddf3c605ba7da5e966b671107b425f73262d39a9c83

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2023, 09:04

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General

Target

09751399.exe
Size

4.2MB
MD5

289257051a7e30f837a00b4186b47501
SHA1

322971cb7da2f62756e505ea8ba036462514c1bf
SHA256

433ec815318e439551d66ddf3c605ba7da5e966b671107b425f73262d39a9c83
SHA512

028854277ad817627f3070f0648bd546b2cc0a5c3ed220b1596725a41c934a9c62eb8f23c6e71619ea0c6c2d625b23c8a2ce03ca4eba016539a2134f4057bc26
SSDEEP

98304:aHVVp2uqi61tX39zbn2cQKXNes4aMrVfmxWuRZxuBKBOBL:aFYzTXNH2c3eKokxlRfC

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit

Malware Config

Signatures

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

Glupteba payload 16 IoCs

resource	yara_rule
behavioral2/memory/4516-134-0x0000000002FD0000-0x00000000038BB000-memory.dmp	family_glupteba
behavioral2/memory/4516-157-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4516-203-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4648-231-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4648-264-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-306-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-353-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-355-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-357-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-359-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-361-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-363-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-365-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-367-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-369-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/956-371-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
848	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
956	csrss.exe
4788	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	09751399.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 evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.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	09751399.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	09751399.exe
File created	C:\Windows\rss\csrss.exe	09751399.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1496	schtasks.exe
3100	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	09751399.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	09751399.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	09751399.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	09751399.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5104	powershell.exe
5104	powershell.exe
4516	09751399.exe
4516	09751399.exe
1748	powershell.exe
1748	powershell.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4648	09751399.exe
4984	powershell.exe
4984	powershell.exe
2676	powershell.exe
2676	powershell.exe
3552	powershell.exe
3552	powershell.exe
2824	powershell.exe
2824	powershell.exe
4972	powershell.exe
4972	powershell.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
956	csrss.exe
956	csrss.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
956	csrss.exe
956	csrss.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe
4788	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	powershell.exe
Token: SeDebugPrivilege	4516	09751399.exe
Token: SeImpersonatePrivilege	4516	09751399.exe
Token: SeDebugPrivilege	1748	powershell.exe
Token: SeDebugPrivilege	4984	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	4972	powershell.exe
Token: SeSystemEnvironmentPrivilege	956	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 5104	4516	09751399.exe	84
PID 4516 wrote to memory of 5104	4516	09751399.exe	84
PID 4516 wrote to memory of 5104	4516	09751399.exe	84
PID 4648 wrote to memory of 1748	4648	09751399.exe	89
PID 4648 wrote to memory of 1748	4648	09751399.exe	89
PID 4648 wrote to memory of 1748	4648	09751399.exe	89
PID 4648 wrote to memory of 4284	4648	09751399.exe	91
PID 4648 wrote to memory of 4284	4648	09751399.exe	91
PID 4284 wrote to memory of 848	4284	cmd.exe	93
PID 4284 wrote to memory of 848	4284	cmd.exe	93
PID 4648 wrote to memory of 4984	4648	09751399.exe	96
PID 4648 wrote to memory of 4984	4648	09751399.exe	96
PID 4648 wrote to memory of 4984	4648	09751399.exe	96
PID 4648 wrote to memory of 2676	4648	09751399.exe	101
PID 4648 wrote to memory of 2676	4648	09751399.exe	101
PID 4648 wrote to memory of 2676	4648	09751399.exe	101
PID 4648 wrote to memory of 956	4648	09751399.exe	104
PID 4648 wrote to memory of 956	4648	09751399.exe	104
PID 4648 wrote to memory of 956	4648	09751399.exe	104
PID 956 wrote to memory of 3552	956	csrss.exe	105
PID 956 wrote to memory of 3552	956	csrss.exe	105
PID 956 wrote to memory of 3552	956	csrss.exe	105
PID 956 wrote to memory of 2824	956	csrss.exe	111
PID 956 wrote to memory of 2824	956	csrss.exe	111
PID 956 wrote to memory of 2824	956	csrss.exe	111
PID 956 wrote to memory of 4972	956	csrss.exe	113
PID 956 wrote to memory of 4972	956	csrss.exe	113
PID 956 wrote to memory of 4972	956	csrss.exe	113
PID 956 wrote to memory of 4788	956	csrss.exe	115
PID 956 wrote to memory of 4788	956	csrss.exe	115

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\09751399.exe
"C:\Users\Admin\AppData\Local\Temp\09751399.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5104
- C:\Users\Admin\AppData\Local\Temp\09751399.exe
  "C:\Users\Admin\AppData\Local\Temp\09751399.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1748
- - 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:4284
  - - 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
      PID:848
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4984
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2676
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3552
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:1496
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3012
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2824
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4972
  - - 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:4788
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:3100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22bicj1h.nrx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
59a9a49977aa5c57fc5f573e31d3b0f5

SHA1
8fbfcd014741827486cd3ff163eb46f24128d1e5

SHA256
b041fe6075435f6733f9a143b71388b81c033122ace3c9b10b6e4c820cf46f4a

SHA512
a33c2d88376e36ba194f97c79585b1179b928637662aa0dc45e53bd73c1c00f66e4267fab4fd56fb15a9002b0f44feb9ebb6f69464d2f29ddc6da399533989e7

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
ed6bdcfe1f7ad45e792dffdd73c9c462

SHA1
242b53223cbf1cc9d43e061a7f51d72a1a1ba468

SHA256
4716686b82ab1b79afefa729c99755ebebda017347273624d64de5a1c5269bf1

SHA512
f04ae8e39ebe4503c93d50a3a62610e4a8868b5d1ab574a119e7a987380c6141cd1a591eff7d35cf88df67d99358c6b1692a4053df7a19a2279d0497453d54ab

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
7bd2dc4d09ce7d30b1a02fe485004a21

SHA1
db09a40bb374bdf86549e39f06f13f7f997a8723

SHA256
059ee1b5770b72c7505f56685413fe6af8f1440cd5b47e22ac022d819d5b5b2e

SHA512
f65779ba4333783a975329b5c65570a37cd4c99a4ca3bf1c6d5060819922f40375771b260076dc2baf1b542d8f66fd9fd70a6e7d6424365512f9869f638a827e

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
0c2cf23784c633f033cdaa5169d9ec48

SHA1
bb39397bae53bac05282a04caf54c6988b892d98

SHA256
a307711d804a6c3363f3bf8327603e59b7a948db994d74b97a39f3ef1ea4d8e4

SHA512
e78b85bedf93a8019d87fbc500733474fee4ab60a1821eebd5192c706f37aaa31df4278915ede7a43018c363ba98d03839eb82f98b8fae3ae1857485a0c5dfed

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
cc05b98736b51f53c01a41296de1191a

SHA1
221c7cc4ddd0a941cb33ec1eb5730306c3db854c

SHA256
ed4b9ff41e14612cfc2bc87fc04d6449051f09d586771243d2c582e87acd276e

SHA512
48cad866ce2d979f000f2d0fbd0f66c277ec35a6ecf89fd21017e50cadd883dca1f1d914145a07e16ee79fca6d32f97fe0247885f3c519a91cbf85438de7162d

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.2MB

MD5
289257051a7e30f837a00b4186b47501

SHA1
322971cb7da2f62756e505ea8ba036462514c1bf

SHA256
433ec815318e439551d66ddf3c605ba7da5e966b671107b425f73262d39a9c83

SHA512
028854277ad817627f3070f0648bd546b2cc0a5c3ed220b1596725a41c934a9c62eb8f23c6e71619ea0c6c2d625b23c8a2ce03ca4eba016539a2134f4057bc26

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.2MB

MD5
289257051a7e30f837a00b4186b47501

SHA1
322971cb7da2f62756e505ea8ba036462514c1bf

SHA256
433ec815318e439551d66ddf3c605ba7da5e966b671107b425f73262d39a9c83

SHA512
028854277ad817627f3070f0648bd546b2cc0a5c3ed220b1596725a41c934a9c62eb8f23c6e71619ea0c6c2d625b23c8a2ce03ca4eba016539a2134f4057bc26

Download Submit
memory/956-359-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-353-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-355-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-357-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-306-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-361-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-363-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-365-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-367-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-371-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/956-369-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1748-190-0x0000000004A40000-0x0000000004A50000-memory.dmp

Filesize
64KB

Download
memory/1748-189-0x0000000004A40000-0x0000000004A50000-memory.dmp

Filesize
64KB

Download
memory/1748-191-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/1748-192-0x0000000070E90000-0x00000000711E4000-memory.dmp

Filesize
3.3MB

Download
memory/1748-200-0x0000000004A40000-0x0000000004A50000-memory.dmp

Filesize
64KB

Download
memory/2676-246-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/2676-245-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/2676-244-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/2676-247-0x0000000070E70000-0x00000000711C4000-memory.dmp

Filesize
3.3MB

Download
memory/2676-257-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/2676-258-0x000000007F770000-0x000000007F780000-memory.dmp

Filesize
64KB

Download
memory/2824-308-0x0000000070C10000-0x0000000070C5C000-memory.dmp

Filesize
304KB

Download
memory/2824-305-0x0000000002C60000-0x0000000002C70000-memory.dmp

Filesize
64KB

Download
memory/2824-319-0x000000007F720000-0x000000007F730000-memory.dmp

Filesize
64KB

Download
memory/2824-309-0x0000000070D90000-0x00000000710E4000-memory.dmp

Filesize
3.3MB

Download
memory/2824-304-0x0000000002C60000-0x0000000002C70000-memory.dmp

Filesize
64KB

Download
memory/2824-307-0x0000000002C60000-0x0000000002C70000-memory.dmp

Filesize
64KB

Download
memory/3552-291-0x000000007FC60000-0x000000007FC70000-memory.dmp

Filesize
64KB

Download
memory/3552-281-0x0000000071490000-0x00000000717E4000-memory.dmp

Filesize
3.3MB

Download
memory/3552-280-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/3552-279-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

Filesize
64KB

Download
memory/3552-277-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

Filesize
64KB

Download
memory/3552-276-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

Filesize
64KB

Download
memory/4516-157-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4516-203-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4516-134-0x0000000002FD0000-0x00000000038BB000-memory.dmp

Filesize
8.9MB

Download
memory/4648-231-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4648-264-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4972-334-0x0000000070C10000-0x0000000070C5C000-memory.dmp

Filesize
304KB

Download
memory/4972-345-0x000000007FCF0000-0x000000007FD00000-memory.dmp

Filesize
64KB

Download
memory/4972-335-0x00000000713A0000-0x00000000716F4000-memory.dmp

Filesize
3.3MB

Download
memory/4972-333-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/4972-332-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/4972-331-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/4984-221-0x0000000071470000-0x00000000717C4000-memory.dmp

Filesize
3.3MB

Download
memory/4984-217-0x0000000004960000-0x0000000004970000-memory.dmp

Filesize
64KB

Download
memory/4984-218-0x0000000004960000-0x0000000004970000-memory.dmp

Filesize
64KB

Download
memory/4984-219-0x0000000004960000-0x0000000004970000-memory.dmp

Filesize
64KB

Download
memory/4984-220-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/4984-232-0x000000007FB90000-0x000000007FBA0000-memory.dmp

Filesize
64KB

Download
memory/5104-175-0x0000000007920000-0x000000000793A000-memory.dmp

Filesize
104KB

Download
memory/5104-155-0x0000000007B30000-0x00000000081AA000-memory.dmp

Filesize
6.5MB

Download
memory/5104-160-0x0000000070E70000-0x00000000711C4000-memory.dmp

Filesize
3.3MB

Download
memory/5104-158-0x00000000076A0000-0x00000000076D2000-memory.dmp

Filesize
200KB

Download
memory/5104-156-0x00000000074D0000-0x00000000074EA000-memory.dmp

Filesize
104KB

Download
memory/5104-174-0x0000000007820000-0x000000000782E000-memory.dmp

Filesize
56KB

Download
memory/5104-173-0x000000007F5C0000-0x000000007F5D0000-memory.dmp

Filesize
64KB

Download
memory/5104-172-0x0000000007880000-0x0000000007916000-memory.dmp

Filesize
600KB

Download
memory/5104-171-0x00000000077B0000-0x00000000077BA000-memory.dmp

Filesize
40KB

Download
memory/5104-159-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/5104-170-0x0000000007660000-0x000000000767E000-memory.dmp

Filesize
120KB

Download
memory/5104-176-0x0000000007860000-0x0000000007868000-memory.dmp

Filesize
32KB

Download
memory/5104-154-0x0000000007230000-0x00000000072A6000-memory.dmp

Filesize
472KB

Download
memory/5104-153-0x0000000002C00000-0x0000000002C10000-memory.dmp

Filesize
64KB

Download
memory/5104-152-0x00000000066B0000-0x00000000066F4000-memory.dmp

Filesize
272KB

Download
memory/5104-151-0x0000000006110000-0x000000000612E000-memory.dmp

Filesize
120KB

Download
memory/5104-146-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/5104-140-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/5104-139-0x0000000005130000-0x0000000005152000-memory.dmp

Filesize
136KB

Download
memory/5104-138-0x0000000002C00000-0x0000000002C10000-memory.dmp

Filesize
64KB

Download
memory/5104-137-0x0000000002C00000-0x0000000002C10000-memory.dmp

Filesize
64KB

Download
memory/5104-136-0x0000000005370000-0x0000000005998000-memory.dmp

Filesize
6.2MB

Download
memory/5104-135-0x0000000002B50000-0x0000000002B86000-memory.dmp

Filesize
216KB

Download