glupteba | 98768d4f722a184379396f330d277f28db6a45e33c1408c2762f6050e008f673

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2023 12:18

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General

Target

01180199.exe
Size

4.2MB
MD5

ab84fb215b438459888e7ccab1ab1229
SHA1

798aceec1ef27c24197f65d1cb587a65106f6890
SHA256

98768d4f722a184379396f330d277f28db6a45e33c1408c2762f6050e008f673
SHA512

5cafa3282324f12e2458fbbb50b8c19a6860fc9886dc0e5c8b935ddf5fb4274ddfc2073839af0ec94f201e7ce4c0d090c3231807da5bdd679754a7c1887d269b
SSDEEP

98304:WMx5MZVT9tUPwkx/Zp8dUN0XdtIlqz+mQ+MULINK20lBzXQiq:WJ/W4mpYluqz+mD/LINKXlZg

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/2976-134-0x0000000002FE0000-0x00000000038CB000-memory.dmp	family_glupteba
behavioral2/memory/2976-156-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2976-178-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/760-231-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/760-261-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-312-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-345-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-346-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-347-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-348-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-349-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-350-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-351-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-352-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-353-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2668-354-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3176	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	csrss.exe
1304	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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	01180199.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.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 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
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

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	01180199.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	01180199.exe
File created	C:\Windows\rss\csrss.exe	01180199.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
4640	schtasks.exe
4908	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
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,-2142 = "Transbaikal Standard Time"	01180199.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	01180199.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,-1022 = "Bangladesh Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.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,-2572 = "Turks and Caicos Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	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,-2162 = "Altai Standard Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	01180199.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	01180199.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	01180199.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2180	powershell.exe
2180	powershell.exe
2976	01180199.exe
2976	01180199.exe
1480	powershell.exe
1480	powershell.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
760	01180199.exe
4560	powershell.exe
4560	powershell.exe
3412	powershell.exe
3412	powershell.exe
4116	powershell.exe
4116	powershell.exe
3284	powershell.exe
3284	powershell.exe
4220	powershell.exe
4220	powershell.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
2668	csrss.exe
2668	csrss.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
2668	csrss.exe
2668	csrss.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe
1304	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2976	01180199.exe
Token: SeImpersonatePrivilege	2976	01180199.exe
Token: SeDebugPrivilege	1480	powershell.exe
Token: SeDebugPrivilege	4560	powershell.exe
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	4116	powershell.exe
Token: SeDebugPrivilege	3284	powershell.exe
Token: SeDebugPrivilege	4220	powershell.exe
Token: SeSystemEnvironmentPrivilege	2668	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2180	2976	01180199.exe	86
PID 2976 wrote to memory of 2180	2976	01180199.exe	86
PID 2976 wrote to memory of 2180	2976	01180199.exe	86
PID 760 wrote to memory of 1480	760	01180199.exe	96
PID 760 wrote to memory of 1480	760	01180199.exe	96
PID 760 wrote to memory of 1480	760	01180199.exe	96
PID 760 wrote to memory of 3952	760	01180199.exe	98
PID 760 wrote to memory of 3952	760	01180199.exe	98
PID 3952 wrote to memory of 3176	3952	cmd.exe	100
PID 3952 wrote to memory of 3176	3952	cmd.exe	100
PID 760 wrote to memory of 4560	760	01180199.exe	101
PID 760 wrote to memory of 4560	760	01180199.exe	101
PID 760 wrote to memory of 4560	760	01180199.exe	101
PID 760 wrote to memory of 3412	760	01180199.exe	103
PID 760 wrote to memory of 3412	760	01180199.exe	103
PID 760 wrote to memory of 3412	760	01180199.exe	103
PID 760 wrote to memory of 2668	760	01180199.exe	106
PID 760 wrote to memory of 2668	760	01180199.exe	106
PID 760 wrote to memory of 2668	760	01180199.exe	106
PID 2668 wrote to memory of 4116	2668	csrss.exe	107
PID 2668 wrote to memory of 4116	2668	csrss.exe	107
PID 2668 wrote to memory of 4116	2668	csrss.exe	107
PID 2668 wrote to memory of 3284	2668	csrss.exe	113
PID 2668 wrote to memory of 3284	2668	csrss.exe	113
PID 2668 wrote to memory of 3284	2668	csrss.exe	113
PID 2668 wrote to memory of 4220	2668	csrss.exe	115
PID 2668 wrote to memory of 4220	2668	csrss.exe	115
PID 2668 wrote to memory of 4220	2668	csrss.exe	115
PID 2668 wrote to memory of 1304	2668	csrss.exe	117
PID 2668 wrote to memory of 1304	2668	csrss.exe	117

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\01180199.exe
"C:\Users\Admin\AppData\Local\Temp\01180199.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2180
- C:\Users\Admin\AppData\Local\Temp\01180199.exe
  "C:\Users\Admin\AppData\Local\Temp\01180199.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:760
- - 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:1480
- - 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:3952
  - - 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:3176
- - 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:4560
- - 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:3412
- - 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:2668
  - - 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:4116
  - - 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:4640
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3424
  - - 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:3284
  - - 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:4220
  - - 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:1304
  - - 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:4908

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_elgyj1ew.mul.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
4e473a9868d6cc298da01eb0a8cc10bd

SHA1
fb222422d0b299647c9cf528636a8b02000097f6

SHA256
f7f66b3a406bd61a1f0c0011540326873ca2095926d1b4bac21e7ab42a88ce53

SHA512
d84813f2566313efc75eee8868f0fbef92a6e6552a3b747edf984cdd4d4338d15fbbf369cb3f894b0d4b146d5c70189f682e8941baf03999b10c19460a0ef13c

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

Filesize
19KB

MD5
ec70e23c8e6d266774505fe1aaa84543

SHA1
2e23fa3a76aa3f204ee339dfccdf03cadc1ce3ca

SHA256
8b3476169b08a16c096924b4c992b7422f621787f26afd61e434dfe399a3f1b3

SHA512
a63759d66f9f2843c3966ba0cd06ca1abc39202da75509fd6c374107ae8180776a2f70f3ba9c4c3e334fe345baec7385e7c6c423e7481a3b06687cb37f0e10b7

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

Filesize
19KB

MD5
42e0fcac513a75ba9e087f37f5b3b635

SHA1
ac3daa5906d4b35720c9c4879170f4ad7c330210

SHA256
242fcc2361c6e4659e403befe8598ab985c6723d74957080bee757d7a73499f5

SHA512
ac69696145be2677c9dc15eac64c43ee6dd5fcacbcc99f70c62798564edecdacdc800a68b655a23a47fc886067e411a2ad98b503100ad5de64c83c8ac3184594

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

Filesize
19KB

MD5
c1b891300c83c26007ee692516304f2b

SHA1
e088aedfdbbe1669d66d1abb2c6ad3b01bf8b96f

SHA256
70af009f20b3c7231a33805d58dd33a4587be8ae1bc060c5b307002d5aa7fc83

SHA512
d19b44c90d1c0e5ed4d1ce8df6fc25fc75dcdf89f7a117a054da34224eeb46ab8296b10265ee010206ae1c8663960ddedfe541b5872c480ade928a844feb5610

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

Filesize
19KB

MD5
2585398954054348c12ad2dc7155edf8

SHA1
20ae90a2b56d2e4cfaae11dbf59c209bc806bc3c

SHA256
8490823584ebf73384edfb994de8594392ef2a922fd5eec73293059daabe79cf

SHA512
cfe501201604f9413aaee8fdc35b50f88cc60c1731791bd07c29931d1413d28eb1a0684afeb9caf41903ffb05239acc5da8506624fe794f81c51ec0a1b688126

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

Filesize
4.2MB

MD5
ab84fb215b438459888e7ccab1ab1229

SHA1
798aceec1ef27c24197f65d1cb587a65106f6890

SHA256
98768d4f722a184379396f330d277f28db6a45e33c1408c2762f6050e008f673

SHA512
5cafa3282324f12e2458fbbb50b8c19a6860fc9886dc0e5c8b935ddf5fb4274ddfc2073839af0ec94f201e7ce4c0d090c3231807da5bdd679754a7c1887d269b

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

Filesize
4.2MB

MD5
ab84fb215b438459888e7ccab1ab1229

SHA1
798aceec1ef27c24197f65d1cb587a65106f6890

SHA256
98768d4f722a184379396f330d277f28db6a45e33c1408c2762f6050e008f673

SHA512
5cafa3282324f12e2458fbbb50b8c19a6860fc9886dc0e5c8b935ddf5fb4274ddfc2073839af0ec94f201e7ce4c0d090c3231807da5bdd679754a7c1887d269b

Download Submit
memory/760-261-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/760-231-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1480-180-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/1480-203-0x000000007F5E0000-0x000000007F5F0000-memory.dmp

Filesize
64KB

Download
memory/1480-192-0x0000000071460000-0x00000000717B4000-memory.dmp

Filesize
3.3MB

Download
memory/1480-193-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/1480-191-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

Filesize
304KB

Download
memory/1480-190-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/2180-171-0x0000000007FC0000-0x0000000007FCA000-memory.dmp

Filesize
40KB

Download
memory/2180-157-0x000000007F540000-0x000000007F550000-memory.dmp

Filesize
64KB

Download
memory/2180-172-0x0000000008080000-0x0000000008116000-memory.dmp

Filesize
600KB

Download
memory/2180-173-0x0000000008020000-0x000000000802E000-memory.dmp

Filesize
56KB

Download
memory/2180-174-0x0000000008120000-0x000000000813A000-memory.dmp

Filesize
104KB

Download
memory/2180-175-0x0000000008060000-0x0000000008068000-memory.dmp

Filesize
32KB

Download
memory/2180-135-0x0000000005360000-0x0000000005396000-memory.dmp

Filesize
216KB

Download
memory/2180-170-0x0000000007E70000-0x0000000007E8E000-memory.dmp

Filesize
120KB

Download
memory/2180-160-0x0000000070D40000-0x0000000071094000-memory.dmp

Filesize
3.3MB

Download
memory/2180-159-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

Filesize
304KB

Download
memory/2180-158-0x0000000007E90000-0x0000000007EC2000-memory.dmp

Filesize
200KB

Download
memory/2180-136-0x0000000005B30000-0x0000000006158000-memory.dmp

Filesize
6.2MB

Download
memory/2180-138-0x0000000005930000-0x0000000005952000-memory.dmp

Filesize
136KB

Download
memory/2180-155-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

Filesize
104KB

Download
memory/2180-154-0x0000000008340000-0x00000000089BA000-memory.dmp

Filesize
6.5MB

Download
memory/2180-139-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/2180-140-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/2180-137-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/2180-150-0x0000000006920000-0x000000000693E000-memory.dmp

Filesize
120KB

Download
memory/2180-151-0x0000000006E60000-0x0000000006EA4000-memory.dmp

Filesize
272KB

Download
memory/2180-153-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/2180-152-0x0000000007C40000-0x0000000007CB6000-memory.dmp

Filesize
472KB

Download
memory/2668-352-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-354-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-346-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-312-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-350-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-351-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-353-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-345-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-347-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-348-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2668-349-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2976-156-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2976-134-0x0000000002FE0000-0x00000000038CB000-memory.dmp

Filesize
8.9MB

Download
memory/2976-178-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3284-299-0x0000000070B20000-0x0000000070B6C000-memory.dmp

Filesize
304KB

Download
memory/3284-288-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3284-300-0x00000000712D0000-0x0000000071624000-memory.dmp

Filesize
3.3MB

Download
memory/3284-310-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3284-311-0x000000007F830000-0x000000007F840000-memory.dmp

Filesize
64KB

Download
memory/3284-287-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3412-246-0x0000000071440000-0x0000000071794000-memory.dmp

Filesize
3.3MB

Download
memory/3412-245-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

Filesize
304KB

Download
memory/3412-244-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

Filesize
64KB

Download
memory/3412-243-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

Filesize
64KB

Download
memory/4116-275-0x0000000070C00000-0x0000000070C4C000-memory.dmp

Filesize
304KB

Download
memory/4116-274-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/4116-273-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/4116-276-0x00000000713A0000-0x00000000716F4000-memory.dmp

Filesize
3.3MB

Download
memory/4220-327-0x0000000070B20000-0x0000000070B6C000-memory.dmp

Filesize
304KB

Download
memory/4220-338-0x000000007EE10000-0x000000007EE20000-memory.dmp

Filesize
64KB

Download
memory/4220-328-0x00000000712B0000-0x0000000071604000-memory.dmp

Filesize
3.3MB

Download
memory/4220-326-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/4220-325-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/4220-324-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/4560-230-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/4560-220-0x0000000070E20000-0x0000000071174000-memory.dmp

Filesize
3.3MB

Download
memory/4560-219-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

Filesize
304KB

Download
memory/4560-217-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/4560-218-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download