glupteba | b17fa8548f5ff6a6ebae8e2537c1beba966d04bdbaca4b2cc21e1a966a77c263

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2023, 13:32

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General

Target

07593699.exe
Size

4.2MB
MD5

c2beff4c8ef59d8b5ca7af8e87c710af
SHA1

03979e74735d48740950c85b708e120198e32cd0
SHA256

b17fa8548f5ff6a6ebae8e2537c1beba966d04bdbaca4b2cc21e1a966a77c263
SHA512

492b45fcca4cccc37871de63beb2cfa58b01b9073dfd348e0b08fe12180e8d2ae53126988a56f9e8bab6a11f6260f862893c2ee017ad0dd9cc7c10856b49614e
SSDEEP

98304:hgqn14Ou6VlR4QmPcjzfu+SfetrC49khkQRiqSCg3:hgqnOOodcv21fUQ8qS5

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 18 IoCs

resource	yara_rule
behavioral2/memory/2732-134-0x0000000003040000-0x000000000392B000-memory.dmp	family_glupteba
behavioral2/memory/2732-139-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/2732-158-0x0000000003040000-0x000000000392B000-memory.dmp	family_glupteba
behavioral2/memory/3152-181-0x0000000002F20000-0x000000000380B000-memory.dmp	family_glupteba
behavioral2/memory/2732-191-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3152-236-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3152-294-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-321-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-356-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-359-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-362-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-365-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-368-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-371-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-374-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-377-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-380-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral2/memory/3208-383-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
5036	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3208	csrss.exe
2480	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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	07593699.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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	07593699.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	07593699.exe
File created	C:\Windows\rss\csrss.exe	07593699.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
1700	schtasks.exe
1804	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,-381 = "South Africa Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	07593699.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\ProxyBypass = "1"	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,-2491 = "Aus Central W. Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	07593699.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,-342 = "Egypt Standard Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	07593699.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"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	07593699.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,-621 = "Korea Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	07593699.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,-2771 = "Omsk Daylight Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	07593699.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	07593699.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,-392 = "Arab Standard Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	07593699.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	07593699.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,-2531 = "Chatham Islands Daylight Time"	07593699.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1616	powershell.exe
1616	powershell.exe
2732	07593699.exe
2732	07593699.exe
696	powershell.exe
696	powershell.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
3152	07593699.exe
2388	powershell.exe
2388	powershell.exe
3804	powershell.exe
3804	powershell.exe
228	powershell.exe
228	powershell.exe
2516	powershell.exe
2516	powershell.exe
3172	powershell.exe
3172	powershell.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
3208	csrss.exe
3208	csrss.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
3208	csrss.exe
3208	csrss.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe
2480	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	2732	07593699.exe
Token: SeImpersonatePrivilege	2732	07593699.exe
Token: SeDebugPrivilege	696	powershell.exe
Token: SeDebugPrivilege	2388	powershell.exe
Token: SeDebugPrivilege	3804	powershell.exe
Token: SeDebugPrivilege	228	powershell.exe
Token: SeDebugPrivilege	2516	powershell.exe
Token: SeDebugPrivilege	3172	powershell.exe
Token: SeSystemEnvironmentPrivilege	3208	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1616	2732	07593699.exe	83
PID 2732 wrote to memory of 1616	2732	07593699.exe	83
PID 2732 wrote to memory of 1616	2732	07593699.exe	83
PID 3152 wrote to memory of 696	3152	07593699.exe	91
PID 3152 wrote to memory of 696	3152	07593699.exe	91
PID 3152 wrote to memory of 696	3152	07593699.exe	91
PID 3152 wrote to memory of 812	3152	07593699.exe	95
PID 3152 wrote to memory of 812	3152	07593699.exe	95
PID 812 wrote to memory of 5036	812	cmd.exe	97
PID 812 wrote to memory of 5036	812	cmd.exe	97
PID 3152 wrote to memory of 2388	3152	07593699.exe	98
PID 3152 wrote to memory of 2388	3152	07593699.exe	98
PID 3152 wrote to memory of 2388	3152	07593699.exe	98
PID 3152 wrote to memory of 3804	3152	07593699.exe	101
PID 3152 wrote to memory of 3804	3152	07593699.exe	101
PID 3152 wrote to memory of 3804	3152	07593699.exe	101
PID 3152 wrote to memory of 3208	3152	07593699.exe	103
PID 3152 wrote to memory of 3208	3152	07593699.exe	103
PID 3152 wrote to memory of 3208	3152	07593699.exe	103
PID 3208 wrote to memory of 228	3208	csrss.exe	104
PID 3208 wrote to memory of 228	3208	csrss.exe	104
PID 3208 wrote to memory of 228	3208	csrss.exe	104
PID 3208 wrote to memory of 2516	3208	csrss.exe	110
PID 3208 wrote to memory of 2516	3208	csrss.exe	110
PID 3208 wrote to memory of 2516	3208	csrss.exe	110
PID 3208 wrote to memory of 3172	3208	csrss.exe	112
PID 3208 wrote to memory of 3172	3208	csrss.exe	112
PID 3208 wrote to memory of 3172	3208	csrss.exe	112
PID 3208 wrote to memory of 2480	3208	csrss.exe	114
PID 3208 wrote to memory of 2480	3208	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\07593699.exe
"C:\Users\Admin\AppData\Local\Temp\07593699.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1616
- C:\Users\Admin\AppData\Local\Temp\07593699.exe
  "C:\Users\Admin\AppData\Local\Temp\07593699.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:3152
- - 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:696
- - 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:812
  - - 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:5036
- - 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:2388
- - 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:3804
- - 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:3208
  - - 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:228
  - - 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:1700
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2284
  - - 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:2516
  - - 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:3172
  - - 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:2480
  - - 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:1804

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_ioetvwua.i35.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
38c8edc9456b3d599274b052e9f80f1a

SHA1
87e2fcbd0cc2acda3c142483e0db3ec82ecac1fd

SHA256
e4a113f3bca45c6e5c3e012647a6681f0512327d79e62fae27585072b0b1df78

SHA512
ebb30356754cca0d66a433c70c708dc29b477bc23d13c475f84a50794ef8c327994039fba4e7eee9f1823b29ae35d56fc4c10a567bacf95fecbe5b572e1fa304

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

Filesize
19KB

MD5
42a695f78caabc8b35dfaeb3890cc3f7

SHA1
2ec18e4fabbee7fe8e1c0019e0ecf42fe6405b4a

SHA256
799c2999b4062bba3deaf83494afe42d93ad044feb20a1b875f814cfdea8d013

SHA512
05f9420e916f91047ea44bd7b221c4db242c90c3eccecc84f5b23da20d83aec58903886ed3d8a9a2224b9e97aae83c2ba7b0fe8a612bd06828a20ab2815544e1

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

Filesize
19KB

MD5
e9695bf0747c3d1ad09f4145de23252a

SHA1
31ac6886640412062c309f4cc2d427ce10a3b857

SHA256
702aec6c4ed3f3d906d63399edffda87bd5c0874314cc995887ae33eedbbfd2a

SHA512
b77f17374cf75b633f955435752f1049614f36154ab9c2aac6a99ffd9ae15ff6615971a3b933c234443b05af78a01336aeeb6e941d2affd2334f50cdaff22999

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

Filesize
19KB

MD5
59d2f0a2d5c448f4ab6f1fe60bf52fa4

SHA1
c0aedf67afc2140185405b01389b2e79dd9d1e15

SHA256
3c3a43bb5f918995350137ae58a2f8f0539ca5d2fd143a9ef7979ab79eb049c2

SHA512
f783373e10ee8a59bfbce9bf6d190ca554b38e79dd5c4b10b535f2f7e8df1fdbceccc3a844e010293015db80ade582b92823a76766d0f0ad3de6bb0f085c484c

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

Filesize
19KB

MD5
52d22f17447d6f887e7a130ce3770cfa

SHA1
9e6b2b6651faab313600060e1f443e3dab5d4741

SHA256
c5509590d69a5c72e5bae667dd78ae96b13f5b5da95bc9d9abf3c87423dd9f38

SHA512
b4cbd674e8369e2368a28d40f78c9d10e041cf2391267418fcd1eed25a44878c6577d8157285fd04664d8dd1a6eb808e9457fc7edaad3e4b6e601d7e988d19f2

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

Filesize
4.2MB

MD5
c2beff4c8ef59d8b5ca7af8e87c710af

SHA1
03979e74735d48740950c85b708e120198e32cd0

SHA256
b17fa8548f5ff6a6ebae8e2537c1beba966d04bdbaca4b2cc21e1a966a77c263

SHA512
492b45fcca4cccc37871de63beb2cfa58b01b9073dfd348e0b08fe12180e8d2ae53126988a56f9e8bab6a11f6260f862893c2ee017ad0dd9cc7c10856b49614e

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

Filesize
4.2MB

MD5
c2beff4c8ef59d8b5ca7af8e87c710af

SHA1
03979e74735d48740950c85b708e120198e32cd0

SHA256
b17fa8548f5ff6a6ebae8e2537c1beba966d04bdbaca4b2cc21e1a966a77c263

SHA512
492b45fcca4cccc37871de63beb2cfa58b01b9073dfd348e0b08fe12180e8d2ae53126988a56f9e8bab6a11f6260f862893c2ee017ad0dd9cc7c10856b49614e

Download Submit
memory/228-269-0x0000000002E30000-0x0000000002E40000-memory.dmp

Filesize
64KB

Download
memory/228-283-0x0000000070A20000-0x0000000070D74000-memory.dmp

Filesize
3.3MB

Download
memory/228-280-0x0000000002E30000-0x0000000002E40000-memory.dmp

Filesize
64KB

Download
memory/228-282-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/228-293-0x000000007F840000-0x000000007F850000-memory.dmp

Filesize
64KB

Download
memory/228-281-0x0000000002E30000-0x0000000002E40000-memory.dmp

Filesize
64KB

Download
memory/696-206-0x000000007F020000-0x000000007F030000-memory.dmp

Filesize
64KB

Download
memory/696-196-0x0000000070A20000-0x0000000070D74000-memory.dmp

Filesize
3.3MB

Download
memory/696-195-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/696-194-0x0000000003010000-0x0000000003020000-memory.dmp

Filesize
64KB

Download
memory/696-193-0x0000000003010000-0x0000000003020000-memory.dmp

Filesize
64KB

Download
memory/696-192-0x0000000003010000-0x0000000003020000-memory.dmp

Filesize
64KB

Download
memory/1616-155-0x0000000002F00000-0x0000000002F10000-memory.dmp

Filesize
64KB

Download
memory/1616-176-0x00000000080A0000-0x00000000080BA000-memory.dmp

Filesize
104KB

Download
memory/1616-177-0x0000000007FE0000-0x0000000007FE8000-memory.dmp

Filesize
32KB

Download
memory/1616-175-0x0000000007FA0000-0x0000000007FAE000-memory.dmp

Filesize
56KB

Download
memory/1616-174-0x0000000008000000-0x0000000008096000-memory.dmp

Filesize
600KB

Download
memory/1616-173-0x0000000007F30000-0x0000000007F3A000-memory.dmp

Filesize
40KB

Download
memory/1616-172-0x000000007F850000-0x000000007F860000-memory.dmp

Filesize
64KB

Download
memory/1616-171-0x0000000007DE0000-0x0000000007DFE000-memory.dmp

Filesize
120KB

Download
memory/1616-161-0x0000000070420000-0x0000000070774000-memory.dmp

Filesize
3.3MB

Download
memory/1616-160-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/1616-159-0x0000000007E00000-0x0000000007E32000-memory.dmp

Filesize
200KB

Download
memory/1616-157-0x0000000007C40000-0x0000000007C5A000-memory.dmp

Filesize
104KB

Download
memory/1616-156-0x0000000008290000-0x000000000890A000-memory.dmp

Filesize
6.5MB

Download
memory/1616-154-0x0000000007B20000-0x0000000007B96000-memory.dmp

Filesize
472KB

Download
memory/1616-153-0x00000000079C0000-0x0000000007A04000-memory.dmp

Filesize
272KB

Download
memory/1616-152-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/1616-142-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/1616-141-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/1616-140-0x0000000006080000-0x00000000060A2000-memory.dmp

Filesize
136KB

Download
memory/1616-138-0x0000000002F00000-0x0000000002F10000-memory.dmp

Filesize
64KB

Download
memory/1616-137-0x0000000002F00000-0x0000000002F10000-memory.dmp

Filesize
64KB

Download
memory/1616-136-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/1616-135-0x0000000002F10000-0x0000000002F46000-memory.dmp

Filesize
216KB

Download
memory/2388-234-0x000000007FCD0000-0x000000007FCE0000-memory.dmp

Filesize
64KB

Download
memory/2388-233-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/2388-219-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/2388-220-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/2388-222-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/2388-223-0x0000000070A40000-0x0000000070D94000-memory.dmp

Filesize
3.3MB

Download
memory/2516-309-0x0000000070950000-0x0000000070CA4000-memory.dmp

Filesize
3.3MB

Download
memory/2516-306-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/2516-319-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/2516-320-0x000000007F670000-0x000000007F680000-memory.dmp

Filesize
64KB

Download
memory/2516-308-0x00000000701C0000-0x000000007020C000-memory.dmp

Filesize
304KB

Download
memory/2732-158-0x0000000003040000-0x000000000392B000-memory.dmp

Filesize
8.9MB

Download
memory/2732-139-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2732-134-0x0000000003040000-0x000000000392B000-memory.dmp

Filesize
8.9MB

Download
memory/2732-191-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3152-181-0x0000000002F20000-0x000000000380B000-memory.dmp

Filesize
8.9MB

Download
memory/3152-294-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3152-236-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3172-334-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/3172-336-0x0000000070950000-0x0000000070CA4000-memory.dmp

Filesize
3.3MB

Download
memory/3172-337-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/3172-335-0x00000000701C0000-0x000000007020C000-memory.dmp

Filesize
304KB

Download
memory/3172-348-0x000000007F870000-0x000000007F880000-memory.dmp

Filesize
64KB

Download
memory/3172-333-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/3208-321-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-374-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-383-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-380-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-377-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-371-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-368-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-356-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-359-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-362-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3208-365-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3804-251-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/3804-252-0x0000000070420000-0x0000000070774000-memory.dmp

Filesize
3.3MB

Download
memory/3804-250-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/3804-262-0x000000007F2A0000-0x000000007F2B0000-memory.dmp

Filesize
64KB

Download
memory/3804-249-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/3804-248-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download