glupteba | 2d3d1e44aa6af981353e5ffd76a13b103d3d4899af8d6c74657fd691fe6c5730

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2023, 08:42

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General

Target

02549899.exe
Size

4.2MB
MD5

03a9fc04df102f4f31016ac1585a701b
SHA1

4c7c323954f781b92c5a85106bc08d19e80582b4
SHA256

2d3d1e44aa6af981353e5ffd76a13b103d3d4899af8d6c74657fd691fe6c5730
SHA512

0bf7d9e3def78efcf28ae0f511ebd965082c9616de227a25261d6d3701d2e8698c35fda44f904e02d1f4b6fb8b55495bfabf3570ece42f5f382122082249a83e
SSDEEP

98304:CRgSJaWg2PQMRG98bE9sXZZbJ3PRAA5vxVS8I3b1Ei0c:CRVaZSGEqsXZZbJ35bvxVS8o9r

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/4624-134-0x0000000002F60000-0x000000000384B000-memory.dmp	family_glupteba
behavioral2/memory/4624-171-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/4624-206-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3888-233-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3888-291-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-329-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-351-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-355-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-357-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-360-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-363-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-367-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-369-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-372-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-375-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-379-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3328-381-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3508	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3328	csrss.exe
3996	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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	02549899.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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 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
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	02549899.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	02549899.exe
File created	C:\Windows\rss\csrss.exe	02549899.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
2160	schtasks.exe
4620	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	02549899.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,-2532 = "Chatham Islands Standard Time"	02549899.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"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	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,-1972 = "Belarus Standard Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	02549899.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,-362 = "GTB Standard Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.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,-152 = "Central America Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-2162 = "Altai Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	02549899.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	02549899.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"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	02549899.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	02549899.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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,-371 = "Jerusalem Daylight Time"	02549899.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1944	powershell.exe
1944	powershell.exe
4624	02549899.exe
4624	02549899.exe
3236	powershell.exe
3236	powershell.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3888	02549899.exe
3572	powershell.exe
3572	powershell.exe
1656	powershell.exe
1656	powershell.exe
2764	powershell.exe
2764	powershell.exe
4644	powershell.exe
4644	powershell.exe
1124	powershell.exe
1124	powershell.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3328	csrss.exe
3328	csrss.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3328	csrss.exe
3328	csrss.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe
3996	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	powershell.exe
Token: SeDebugPrivilege	4624	02549899.exe
Token: SeImpersonatePrivilege	4624	02549899.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	3572	powershell.exe
Token: SeDebugPrivilege	1656	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	4644	powershell.exe
Token: SeDebugPrivilege	1124	powershell.exe
Token: SeSystemEnvironmentPrivilege	3328	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 1944	4624	02549899.exe	83
PID 4624 wrote to memory of 1944	4624	02549899.exe	83
PID 4624 wrote to memory of 1944	4624	02549899.exe	83
PID 3888 wrote to memory of 3236	3888	02549899.exe	88
PID 3888 wrote to memory of 3236	3888	02549899.exe	88
PID 3888 wrote to memory of 3236	3888	02549899.exe	88
PID 3888 wrote to memory of 3700	3888	02549899.exe	90
PID 3888 wrote to memory of 3700	3888	02549899.exe	90
PID 3700 wrote to memory of 3508	3700	cmd.exe	92
PID 3700 wrote to memory of 3508	3700	cmd.exe	92
PID 3888 wrote to memory of 3572	3888	02549899.exe	95
PID 3888 wrote to memory of 3572	3888	02549899.exe	95
PID 3888 wrote to memory of 3572	3888	02549899.exe	95
PID 3888 wrote to memory of 1656	3888	02549899.exe	100
PID 3888 wrote to memory of 1656	3888	02549899.exe	100
PID 3888 wrote to memory of 1656	3888	02549899.exe	100
PID 3888 wrote to memory of 3328	3888	02549899.exe	102
PID 3888 wrote to memory of 3328	3888	02549899.exe	102
PID 3888 wrote to memory of 3328	3888	02549899.exe	102
PID 3328 wrote to memory of 2764	3328	csrss.exe	104
PID 3328 wrote to memory of 2764	3328	csrss.exe	104
PID 3328 wrote to memory of 2764	3328	csrss.exe	104
PID 3328 wrote to memory of 4644	3328	csrss.exe	110
PID 3328 wrote to memory of 4644	3328	csrss.exe	110
PID 3328 wrote to memory of 4644	3328	csrss.exe	110
PID 3328 wrote to memory of 1124	3328	csrss.exe	112
PID 3328 wrote to memory of 1124	3328	csrss.exe	112
PID 3328 wrote to memory of 1124	3328	csrss.exe	112
PID 3328 wrote to memory of 3996	3328	csrss.exe	114
PID 3328 wrote to memory of 3996	3328	csrss.exe	114

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\02549899.exe
"C:\Users\Admin\AppData\Local\Temp\02549899.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\02549899.exe
  "C:\Users\Admin\AppData\Local\Temp\02549899.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:3888
- - 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:3236
- - 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:3700
  - - 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:3508
- - 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:3572
- - 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:1656
- - 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:3328
  - - 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:2764
  - - 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:2160
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4492
  - - 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:4644
  - - 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:1124
  - - 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:3996
  - - 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:4620

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_zxl5tdgd.3o4.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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
19KB

MD5
0e34658f4e04c4b6e8abaded909105b7

SHA1
dad03907b99cbefe61e4c85e24fc1a5ccf10428d

SHA256
2736499bd882e81d30df5c12fcf7bb7316d354b4e055a5c2739010cb400c21bf

SHA512
810ed012fe8bbf4a8ccaf60d8f7ee6e3596a257203483fe89c8a598927dacbf390b10ad30231ac35b8f7ef9e1079b89d5ab602a3f7787be938bb701b5f1dda25

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

Filesize
19KB

MD5
a20efbb9ec2a5ce3c00a9a335afdb984

SHA1
1056bd76ead982252ffd7685bad674a773486fe3

SHA256
d29f349bf67c0c6f4b56158efdda97f0c65dcdef29a102682a004423fcb3ba6b

SHA512
0bc8a6054a8ca52a5b009e4a242388a48b937499d6f6ba19a895fdc8635a4569bc3335eebd3b2906733ce07a52353bb89b77066d1f709210b63fe92dcf52393d

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

Filesize
19KB

MD5
01c5619683077cfe0471aade319d6a25

SHA1
53ecbcb40ad3eb26a5d25e85d61c1c7e955a2a9d

SHA256
6fd6d0f9dc76c813bd2b4c0d2bd7e5fbae9887b062223ba0470d48914fa97ef0

SHA512
4e275def57bcf1cff908cc305e2b963e4dbef7a61b5fd252084e6b80e4388803acea344e8f15e0bacab457a946f9aaa7e1087985767ddbdd02d232d7b637e7d5

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

Filesize
19KB

MD5
34dbe5a92902390b32f4edf8cb9d9f3d

SHA1
4e718062f3b52dac63e6fbff6be2687c8978e7cc

SHA256
2c2ee01178e40d87f3c1f884dedc8e889cb0ec10086e7620d589a2cebe5fe2c9

SHA512
c71cf133316d3a93c28e2f7437941638539a45c6f0547f3dab72a1b813cd0ec20ca0579dc3b8b7627561096190ef9e9f13bf56d1b9c906313aaa89d710f68d96

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

Filesize
19KB

MD5
e28badde66a7e84325d54a83224daa5c

SHA1
eaf89bded9157e41f97345a0aae5c008d57ac7a0

SHA256
0a3e36eadb1bb279c6222be0634aa06b3c1ca5dde0c42397fb3ba358b28993e4

SHA512
d3840a8584c90738f30484e9303fbab8b2d2513f5ff09fb6c5bdfd2d996aefe49569e6272265782df966c601d7a0f933bab673284e5a1bfc1f6a3219c667285d

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

Filesize
4.2MB

MD5
03a9fc04df102f4f31016ac1585a701b

SHA1
4c7c323954f781b92c5a85106bc08d19e80582b4

SHA256
2d3d1e44aa6af981353e5ffd76a13b103d3d4899af8d6c74657fd691fe6c5730

SHA512
0bf7d9e3def78efcf28ae0f511ebd965082c9616de227a25261d6d3701d2e8698c35fda44f904e02d1f4b6fb8b55495bfabf3570ece42f5f382122082249a83e

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

Filesize
4.2MB

MD5
03a9fc04df102f4f31016ac1585a701b

SHA1
4c7c323954f781b92c5a85106bc08d19e80582b4

SHA256
2d3d1e44aa6af981353e5ffd76a13b103d3d4899af8d6c74657fd691fe6c5730

SHA512
0bf7d9e3def78efcf28ae0f511ebd965082c9616de227a25261d6d3701d2e8698c35fda44f904e02d1f4b6fb8b55495bfabf3570ece42f5f382122082249a83e

Download Submit
memory/1124-332-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/1124-318-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/1124-331-0x00000000718D0000-0x0000000071C24000-memory.dmp

Filesize
3.3MB

Download
memory/1124-333-0x000000007EEF0000-0x000000007EF00000-memory.dmp

Filesize
64KB

Download
memory/1124-330-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

Filesize
304KB

Download
memory/1656-259-0x000000007FD30000-0x000000007FD40000-memory.dmp

Filesize
64KB

Download
memory/1656-249-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/1656-248-0x0000000070F40000-0x0000000071294000-memory.dmp

Filesize
3.3MB

Download
memory/1656-247-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/1656-246-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/1656-245-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/1944-173-0x0000000007AE0000-0x0000000007B76000-memory.dmp

Filesize
600KB

Download
memory/1944-159-0x0000000070F40000-0x0000000071294000-memory.dmp

Filesize
3.3MB

Download
memory/1944-175-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/1944-176-0x0000000007B80000-0x0000000007B88000-memory.dmp

Filesize
32KB

Download
memory/1944-135-0x0000000002D30000-0x0000000002D66000-memory.dmp

Filesize
216KB

Download
memory/1944-136-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/1944-137-0x0000000002E00000-0x0000000002E10000-memory.dmp

Filesize
64KB

Download
memory/1944-138-0x0000000002E00000-0x0000000002E10000-memory.dmp

Filesize
64KB

Download
memory/1944-139-0x0000000005440000-0x0000000005462000-memory.dmp

Filesize
136KB

Download
memory/1944-140-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/1944-143-0x0000000005CB0000-0x0000000005D16000-memory.dmp

Filesize
408KB

Download
memory/1944-151-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/1944-172-0x000000007FD00000-0x000000007FD10000-memory.dmp

Filesize
64KB

Download
memory/1944-152-0x0000000007510000-0x0000000007554000-memory.dmp

Filesize
272KB

Download
memory/1944-174-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

Filesize
56KB

Download
memory/1944-153-0x00000000076B0000-0x0000000007726000-memory.dmp

Filesize
472KB

Download
memory/1944-154-0x0000000002E00000-0x0000000002E10000-memory.dmp

Filesize
64KB

Download
memory/1944-155-0x0000000007DB0000-0x000000000842A000-memory.dmp

Filesize
6.5MB

Download
memory/1944-156-0x0000000007750000-0x000000000776A000-memory.dmp

Filesize
104KB

Download
memory/1944-157-0x0000000007900000-0x0000000007932000-memory.dmp

Filesize
200KB

Download
memory/1944-158-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/1944-170-0x0000000007A30000-0x0000000007A3A000-memory.dmp

Filesize
40KB

Download
memory/1944-169-0x00000000078E0000-0x00000000078FE000-memory.dmp

Filesize
120KB

Download
memory/2764-278-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/2764-290-0x000000007FCE0000-0x000000007FCF0000-memory.dmp

Filesize
64KB

Download
memory/2764-267-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/2764-280-0x0000000071540000-0x0000000071894000-memory.dmp

Filesize
3.3MB

Download
memory/2764-279-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/3236-190-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3236-189-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3236-191-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3236-192-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/3236-193-0x0000000071560000-0x00000000718B4000-memory.dmp

Filesize
3.3MB

Download
memory/3236-203-0x000000007F800000-0x000000007F810000-memory.dmp

Filesize
64KB

Download
memory/3328-351-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-355-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-381-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-379-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-375-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-372-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-369-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-367-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-363-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-360-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-329-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3328-357-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3572-221-0x0000000071560000-0x00000000718B4000-memory.dmp

Filesize
3.3MB

Download
memory/3572-220-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/3572-222-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/3572-223-0x000000007F7E0000-0x000000007F7F0000-memory.dmp

Filesize
64KB

Download
memory/3572-218-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/3572-219-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/3888-233-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3888-291-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4624-171-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4624-206-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/4624-134-0x0000000002F60000-0x000000000384B000-memory.dmp

Filesize
8.9MB

Download
memory/4644-315-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4644-316-0x000000007F960000-0x000000007F970000-memory.dmp

Filesize
64KB

Download
memory/4644-305-0x0000000070E80000-0x00000000711D4000-memory.dmp

Filesize
3.3MB

Download
memory/4644-304-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

Filesize
304KB

Download
memory/4644-303-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download