Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:49
Static task
static1
Behavioral task
behavioral1
Sample
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe
Resource
win10v2004-20240412-en
General
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Target
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe
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Size
4.2MB
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MD5
592f08c552febfa8516b737bb0db08de
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SHA1
cd06fbc58a4834240a355dfc215f3c1a35fc9875
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SHA256
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86
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SHA512
61ffe72c24441fc19d0549bdec857ceaffda276e78f319cc6b3452a5f688615ffd91a5fc4ba7accec9da38369f05be082437a6f1150326196cd8af5f26a70109
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGm:PdVQtLoTZDg5GO9Bqlce
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2888-2-0x00000000041C0000-0x0000000004AAB000-memory.dmp family_glupteba behavioral1/memory/2888-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2888-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1244-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2888-58-0x00000000041C0000-0x0000000004AAB000-memory.dmp family_glupteba behavioral1/memory/1244-158-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1520-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4460 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1520 csrss.exe 3568 injector.exe 3588 windefender.exe 4884 windefender.exe -
resource yara_rule behavioral1/files/0x00070000000233ee-262.dat upx behavioral1/memory/3588-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3640 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1020 2888 WerFault.exe 87 3888 1244 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4928 schtasks.exe 2848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3444 powershell.exe 3444 powershell.exe 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 856 powershell.exe 856 powershell.exe 856 powershell.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4364 powershell.exe 4364 powershell.exe 4364 powershell.exe 1972 powershell.exe 1972 powershell.exe 1972 powershell.exe 1708 powershell.exe 1708 powershell.exe 1708 powershell.exe 4884 powershell.exe 4884 powershell.exe 4884 powershell.exe 3512 powershell.exe 3512 powershell.exe 3512 powershell.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 1520 csrss.exe 1520 csrss.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 1520 csrss.exe 1520 csrss.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3444 powershell.exe Token: SeDebugPrivilege 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Token: SeImpersonatePrivilege 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeSystemEnvironmentPrivilege 1520 csrss.exe Token: SeSecurityPrivilege 3640 sc.exe Token: SeSecurityPrivilege 3640 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2888 wrote to memory of 3444 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 92 PID 2888 wrote to memory of 3444 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 92 PID 2888 wrote to memory of 3444 2888 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 92 PID 1244 wrote to memory of 856 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 100 PID 1244 wrote to memory of 856 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 100 PID 1244 wrote to memory of 856 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 100 PID 1244 wrote to memory of 3084 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 103 PID 1244 wrote to memory of 3084 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 103 PID 3084 wrote to memory of 4460 3084 cmd.exe 105 PID 3084 wrote to memory of 4460 3084 cmd.exe 105 PID 1244 wrote to memory of 4364 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 106 PID 1244 wrote to memory of 4364 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 106 PID 1244 wrote to memory of 4364 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 106 PID 1244 wrote to memory of 1972 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 110 PID 1244 wrote to memory of 1972 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 110 PID 1244 wrote to memory of 1972 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 110 PID 1244 wrote to memory of 1520 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 113 PID 1244 wrote to memory of 1520 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 113 PID 1244 wrote to memory of 1520 1244 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 113 PID 1520 wrote to memory of 1708 1520 csrss.exe 116 PID 1520 wrote to memory of 1708 1520 csrss.exe 116 PID 1520 wrote to memory of 1708 1520 csrss.exe 116 PID 1520 wrote to memory of 4884 1520 csrss.exe 138 PID 1520 wrote to memory of 4884 1520 csrss.exe 138 PID 1520 wrote to memory of 4884 1520 csrss.exe 138 PID 1520 wrote to memory of 3512 1520 csrss.exe 125 PID 1520 wrote to memory of 3512 1520 csrss.exe 125 PID 1520 wrote to memory of 3512 1520 csrss.exe 125 PID 1520 wrote to memory of 3568 1520 csrss.exe 128 PID 1520 wrote to memory of 3568 1520 csrss.exe 128 PID 3588 wrote to memory of 4128 3588 windefender.exe 136 PID 3588 wrote to memory of 4128 3588 windefender.exe 136 PID 3588 wrote to memory of 4128 3588 windefender.exe 136 PID 4128 wrote to memory of 3640 4128 cmd.exe 137 PID 4128 wrote to memory of 3640 4128 cmd.exe 137 PID 4128 wrote to memory of 3640 4128 cmd.exe 137 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3444
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C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3084 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4460
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4928
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3512
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 6763⤵
- Program crash
PID:3888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 8082⤵
- Program crash
PID:1020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2888 -ip 28881⤵PID:4692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1244 -ip 12441⤵PID:3416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4884
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535dae21087f53f1b3e385bf68651e7bd
SHA1a2e34f70ac76ca2d80553284b95a8536ebf1ecc7
SHA256dcefa56b157aacd33d6ad5faf32c671c6e702ccb18032e69c96d7384609a7163
SHA51216e9532c3118cea84ee38bf8a55e97d54caa38bfe5e05d726e06d448bd72438b8efa75d2f4e46e58ea62c493e4358710d96e8fd574928b73d68d30f838195845
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552d5771f6df94406f74a72c5e9acbb5e
SHA1f2333ef8494b011009990ac461f2068f067e1e92
SHA256587848813c2a0a6174f7e5f0c4fcfafffedb140dd9205e7ac18f635154d60e7e
SHA5127d1b32ea3dea8fc9b95d3f19867693b60f04980cd5159162944716716b831810b048a72e3aa3c860139586c7325f50a0ed7d1b461ef0f0170316d96a367659a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3d6bb9a3e92b30b8a76a5c719c7e26f
SHA19fa2ea3a7845fdb0dbdb67c3e8defaf59aca0dda
SHA256a98d7b91c64368530388da0d76192de5d91c822aaa30d674bdd3b3a974283c6e
SHA512fd4f8530f0106c2da4100a86e1745af4ab479a08bdae04e31241deb89a70241fdf36d3d053c30d267160f198508eb80a1455e74ddfcde7263cd7836cf96365fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5370723b9003dc4fd186fee1c88279056
SHA10df6d9c5fae50ecd0369fdd9959e9d1fe02a8831
SHA256a85544f0765db52fb2ec4304451c5a1ac3ad15a5c779db216883f2b86eb4d31e
SHA512dd3e54de07bac29a162f3c2ba757093cf1a224160d65b1019a53c015e4fa5ccbb2affd8aadcf659a0534e414d6048cc1a0f9c4079d29f73b22b8d93f2f81ba7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb7220cbecc41e358472a7cc17bd5766
SHA10bc8efbb5c72adce1144e9145252c6b12442ce02
SHA2563c5c8a1c54dbbd997f586c51a5db9f27607f2361c59c785f1954b0e8d7984508
SHA512afb6abe6ee14648d75c90026b32027aaef2354a888bf9d361b7aec9cdb5f8d5ed0ce66b249d4bdabc39181b4e4a167e007bb08b082c0210a7ad39391cf4ba665
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Filesize
4.2MB
MD5592f08c552febfa8516b737bb0db08de
SHA1cd06fbc58a4834240a355dfc215f3c1a35fc9875
SHA2565c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86
SHA51261ffe72c24441fc19d0549bdec857ceaffda276e78f319cc6b3452a5f688615ffd91a5fc4ba7accec9da38369f05be082437a6f1150326196cd8af5f26a70109
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec