glupteba | c59423f92f38d87d32c357ac16c4d0d5a229f04bf3c7d32dd17a7511a5cc22c4

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
29/05/2023, 16:27

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General

Target

06163599.exe
Size

4.2MB
MD5

f5908ce8f8ff0653624d84cad2001306
SHA1

8f23b307dc68ab19bcbb60a4728f73bacc26c009
SHA256

c59423f92f38d87d32c357ac16c4d0d5a229f04bf3c7d32dd17a7511a5cc22c4
SHA512

8e0beb8089cb77dd8f76dde0d69b185dd4ce333b148b5bd98b10b5db1d45297290eb0eed6159daa03c9109913925d835d255907311466da371253373bce1b28d
SSDEEP

98304:YS0/ZMi1k2Nd/mPNeMoK5qamQifu/bVE8Kyi/oUiJGnCD0IO+C:YS0/ui1vNd+oOqDuDVE8KlgxeatC

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 17 IoCs

resource	yara_rule
behavioral2/memory/3592-134-0x0000000002FD0000-0x00000000038BB000-memory.dmp	family_glupteba
behavioral2/memory/3592-154-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3592-179-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4356-207-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4356-260-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4356-265-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-318-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-352-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-353-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-354-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-355-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-356-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-357-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-358-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-359-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-360-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/212-361-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2692	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
212	csrss.exe
5028	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\""	06163599.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 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	06163599.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	06163599.exe
File created	C:\Windows\rss\csrss.exe	06163599.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
3800	schtasks.exe
3952	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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,-2162 = "Altai Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	06163599.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"	06163599.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,-212 = "Pacific Standard Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	06163599.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,-111 = "Eastern Daylight Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.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,-412 = "E. Africa Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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,-461 = "Afghanistan Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	06163599.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	06163599.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	06163599.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1064	powershell.exe
1064	powershell.exe
3592	06163599.exe
3592	06163599.exe
3740	powershell.exe
3740	powershell.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
4356	06163599.exe
2588	powershell.exe
2588	powershell.exe
3508	powershell.exe
3508	powershell.exe
1548	powershell.exe
1548	powershell.exe
3832	powershell.exe
3832	powershell.exe
4408	powershell.exe
4408	powershell.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
212	csrss.exe
212	csrss.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
212	csrss.exe
212	csrss.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe
5028	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	powershell.exe
Token: SeDebugPrivilege	3592	06163599.exe
Token: SeImpersonatePrivilege	3592	06163599.exe
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	3508	powershell.exe
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeSystemEnvironmentPrivilege	212	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 1064	3592	06163599.exe	84
PID 3592 wrote to memory of 1064	3592	06163599.exe	84
PID 3592 wrote to memory of 1064	3592	06163599.exe	84
PID 4356 wrote to memory of 3740	4356	06163599.exe	94
PID 4356 wrote to memory of 3740	4356	06163599.exe	94
PID 4356 wrote to memory of 3740	4356	06163599.exe	94
PID 4356 wrote to memory of 1760	4356	06163599.exe	96
PID 4356 wrote to memory of 1760	4356	06163599.exe	96
PID 1760 wrote to memory of 2692	1760	cmd.exe	98
PID 1760 wrote to memory of 2692	1760	cmd.exe	98
PID 4356 wrote to memory of 2588	4356	06163599.exe	99
PID 4356 wrote to memory of 2588	4356	06163599.exe	99
PID 4356 wrote to memory of 2588	4356	06163599.exe	99
PID 4356 wrote to memory of 3508	4356	06163599.exe	102
PID 4356 wrote to memory of 3508	4356	06163599.exe	102
PID 4356 wrote to memory of 3508	4356	06163599.exe	102
PID 4356 wrote to memory of 212	4356	06163599.exe	104
PID 4356 wrote to memory of 212	4356	06163599.exe	104
PID 4356 wrote to memory of 212	4356	06163599.exe	104
PID 212 wrote to memory of 1548	212	csrss.exe	105
PID 212 wrote to memory of 1548	212	csrss.exe	105
PID 212 wrote to memory of 1548	212	csrss.exe	105
PID 212 wrote to memory of 3832	212	csrss.exe	111
PID 212 wrote to memory of 3832	212	csrss.exe	111
PID 212 wrote to memory of 3832	212	csrss.exe	111
PID 212 wrote to memory of 4408	212	csrss.exe	113
PID 212 wrote to memory of 4408	212	csrss.exe	113
PID 212 wrote to memory of 4408	212	csrss.exe	113
PID 212 wrote to memory of 5028	212	csrss.exe	115
PID 212 wrote to memory of 5028	212	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\06163599.exe
"C:\Users\Admin\AppData\Local\Temp\06163599.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1064
- C:\Users\Admin\AppData\Local\Temp\06163599.exe
  "C:\Users\Admin\AppData\Local\Temp\06163599.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:4356
- - 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:3740
- - 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:1760
  - - 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:2692
- - 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:2588
- - 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:3508
- - 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:212
  - - 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:1548
  - - 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:3800
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1064
  - - 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:3832
  - - 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:4408
  - - 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:5028
  - - 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:3952

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_jjvilhb0.kwo.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
d2068326127430f737f56df9a3e9e942

SHA1
2bfb7d4dedbb5b2b108c0d5bd71929b5091893d3

SHA256
8deeedefc7f07587c98e2a1b8c985b1355b5892bdd1dfbc017dde49305aceb57

SHA512
bff07ce41fdd82888d1f9747bf0dafaae2b6e32a1677d5150be0d5779e42e5741cf5a49083000ca46d083a6cc1f7228e9f08a4c7d731b97aa52cd1b6b6b8ffc1

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

Filesize
19KB

MD5
f151be41e398798c02797e8111123fc2

SHA1
bc7650565a031d97e915f9531147c0602e564c03

SHA256
79b51d2e85e9de557d8269a8ec811a1ea8108e4c2d9bff1869e6a2bf42dc55d1

SHA512
2ff95f344ccead1375d86b1f7230be6cafa8231ace3caafa69ebba1f69ca2992cc2e34a216fd21593913c4c2972b08f65d839916a2c471cb804164b372b97855

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

Filesize
19KB

MD5
8b71a990bf2e4ef64fef822b05ba37f1

SHA1
51ba28ed4c40ec1fe6c340dbecebe8305f6cd3f9

SHA256
5901a92006c1aa6c7239bb745737f3b7985dff3f1a486c801692a543c7e5035c

SHA512
7189ac9f92d4cc27e47662320b85e52d783f13ac94ebc726f5221ba14406390d80f69d69f9b7532fc6c3444cb8e08ead1a6361d0a3f944de53244e1deeb7e224

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

Filesize
19KB

MD5
c3fa79ad83d3fd55c92d3b16af90ab36

SHA1
d3a1e234ae2a72c5850cef0344ac9cff8fd88663

SHA256
79a9ed6bbbb7ca6467d0f61b1ced2526f55d6f1947239843ced2fc7144ff5c2e

SHA512
c2e80c4fee7ba136553aee7106ebaa103cbe99f5d47fc60cdac73278da95f29607c6546039610512a58cc61f8740f84d94d103136ae6e643cce006daa220dc7f

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

Filesize
19KB

MD5
159adaa02036ad549bbf8b947ebdb344

SHA1
c934dd03ed0578f5c2a911fbb96472f7932fa4d8

SHA256
d61d09786d9f1fb89b947ab4c6998a8c932e7e4ce22a7f3c285a9989180793b7

SHA512
6143f3dfe3bcac7b618c6025aaf655e82efde01aaf108cec2a5e8ac24ee71cd4f7b9905ea43adbe0bbdd2f92d083723bb123f0af9584f0d9bdd98ced55606997

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

Filesize
4.2MB

MD5
f5908ce8f8ff0653624d84cad2001306

SHA1
8f23b307dc68ab19bcbb60a4728f73bacc26c009

SHA256
c59423f92f38d87d32c357ac16c4d0d5a229f04bf3c7d32dd17a7511a5cc22c4

SHA512
8e0beb8089cb77dd8f76dde0d69b185dd4ce333b148b5bd98b10b5db1d45297290eb0eed6159daa03c9109913925d835d255907311466da371253373bce1b28d

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

Filesize
4.2MB

MD5
f5908ce8f8ff0653624d84cad2001306

SHA1
8f23b307dc68ab19bcbb60a4728f73bacc26c009

SHA256
c59423f92f38d87d32c357ac16c4d0d5a229f04bf3c7d32dd17a7511a5cc22c4

SHA512
8e0beb8089cb77dd8f76dde0d69b185dd4ce333b148b5bd98b10b5db1d45297290eb0eed6159daa03c9109913925d835d255907311466da371253373bce1b28d

Download Submit
memory/212-318-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-361-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-352-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-360-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-353-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-354-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-355-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-356-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-357-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-358-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/212-359-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1064-153-0x0000000007530000-0x00000000075A6000-memory.dmp

Filesize
472KB

Download
memory/1064-151-0x0000000006400000-0x000000000641E000-memory.dmp

Filesize
120KB

Download
memory/1064-175-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/1064-176-0x0000000007B50000-0x0000000007B58000-memory.dmp

Filesize
32KB

Download
memory/1064-173-0x0000000007BC0000-0x0000000007C56000-memory.dmp

Filesize
600KB

Download
memory/1064-172-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/1064-162-0x000000007FD10000-0x000000007FD20000-memory.dmp

Filesize
64KB

Download
memory/1064-171-0x0000000007970000-0x000000000798E000-memory.dmp

Filesize
120KB

Download
memory/1064-160-0x0000000070940000-0x0000000070C94000-memory.dmp

Filesize
3.3MB

Download
memory/1064-159-0x00000000707C0000-0x000000007080C000-memory.dmp

Filesize
304KB

Download
memory/1064-158-0x0000000007990000-0x00000000079C2000-memory.dmp

Filesize
200KB

Download
memory/1064-157-0x00000000077E0000-0x00000000077FA000-memory.dmp

Filesize
104KB

Download
memory/1064-156-0x0000000007E60000-0x00000000084DA000-memory.dmp

Filesize
6.5MB

Download
memory/1064-155-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/1064-152-0x0000000006950000-0x0000000006994000-memory.dmp

Filesize
272KB

Download
memory/1064-174-0x0000000007B00000-0x0000000007B0E000-memory.dmp

Filesize
56KB

Download
memory/1064-141-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/1064-140-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/1064-139-0x0000000005430000-0x0000000005452000-memory.dmp

Filesize
136KB

Download
memory/1064-138-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/1064-137-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/1064-135-0x0000000002AC0000-0x0000000002AF6000-memory.dmp

Filesize
216KB

Download
memory/1064-136-0x0000000005710000-0x0000000005D38000-memory.dmp

Filesize
6.2MB

Download
memory/1548-281-0x0000000070820000-0x000000007086C000-memory.dmp

Filesize
304KB

Download
memory/1548-280-0x0000000000D10000-0x0000000000D20000-memory.dmp

Filesize
64KB

Download
memory/1548-279-0x0000000000D10000-0x0000000000D20000-memory.dmp

Filesize
64KB

Download
memory/1548-278-0x0000000000D10000-0x0000000000D20000-memory.dmp

Filesize
64KB

Download
memory/1548-282-0x0000000070FC0000-0x0000000071314000-memory.dmp

Filesize
3.3MB

Download
memory/1548-292-0x000000007F6A0000-0x000000007F6B0000-memory.dmp

Filesize
64KB

Download
memory/2588-233-0x000000007FC20000-0x000000007FC30000-memory.dmp

Filesize
64KB

Download
memory/2588-210-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/2588-209-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/2588-221-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/2588-222-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/2588-223-0x0000000071060000-0x00000000713B4000-memory.dmp

Filesize
3.3MB

Download
memory/3508-250-0x0000000071080000-0x00000000713D4000-memory.dmp

Filesize
3.3MB

Download
memory/3508-246-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/3508-245-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/3508-249-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/3508-248-0x000000007F370000-0x000000007F380000-memory.dmp

Filesize
64KB

Download
memory/3508-247-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/3592-134-0x0000000002FD0000-0x00000000038BB000-memory.dmp

Filesize
8.9MB

Download
memory/3592-154-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3592-179-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3740-203-0x0000000004700000-0x0000000004710000-memory.dmp

Filesize
64KB

Download
memory/3740-193-0x0000000071060000-0x00000000713B4000-memory.dmp

Filesize
3.3MB

Download
memory/3740-204-0x000000007F1F0000-0x000000007F200000-memory.dmp

Filesize
64KB

Download
memory/3740-192-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/3740-191-0x0000000004700000-0x0000000004710000-memory.dmp

Filesize
64KB

Download
memory/3740-190-0x0000000004700000-0x0000000004710000-memory.dmp

Filesize
64KB

Download
memory/3832-304-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/3832-319-0x000000007F750000-0x000000007F760000-memory.dmp

Filesize
64KB

Download
memory/3832-308-0x0000000070ED0000-0x0000000071224000-memory.dmp

Filesize
3.3MB

Download
memory/3832-307-0x0000000070740000-0x000000007078C000-memory.dmp

Filesize
304KB

Download
memory/3832-306-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/3832-305-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/4356-207-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4356-260-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4356-265-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4408-345-0x000000007F630000-0x000000007F640000-memory.dmp

Filesize
64KB

Download
memory/4408-335-0x0000000070ED0000-0x0000000071224000-memory.dmp

Filesize
3.3MB

Download
memory/4408-334-0x0000000070740000-0x000000007078C000-memory.dmp

Filesize
304KB

Download
memory/4408-333-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/4408-332-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/4408-331-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download