Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
24/10/2023, 09:35
Static task
static1
General
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Target
2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe
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Size
4.1MB
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MD5
169804625599b91207ad203d8fc62283
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SHA1
9beeed3006b52cdce0a76acb9aba6b13e2370a40
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SHA256
2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902
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SHA512
b4610fd94586cf113aaa74e5e3c2059104ab6b86540c34f3709260af04582cdcb8fe09e089f84541fad25816fbf4219dd80d732d3d18ae5fdb46470c1e95d2e5
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SSDEEP
98304:dj7R9DnlJziGkBtFKCYsoVtujqhntwjYHfrCQRFz:VDlkltssoVtujqhJrnz
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1188-2-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/1188-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1188-25-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/1188-27-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1188-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1652-62-0x0000000002990000-0x0000000002D91000-memory.dmp family_glupteba behavioral1/memory/1652-63-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/1652-64-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1652-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1652-152-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1652-225-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-254-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3972-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1884 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3972 csrss.exe 860 injector.exe 1816 windefender.exe 5004 windefender.exe 2052 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e8b-266.dat upx behavioral1/files/0x0007000000022e8b-268.dat upx behavioral1/files/0x0007000000022e8b-269.dat upx behavioral1/memory/1816-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0006000000022e8c-285.dat upx behavioral1/files/0x0006000000022e8c-287.dat upx behavioral1/memory/5004-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2052-291-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2052-293-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe File created C:\Windows\rss\csrss.exe 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3080 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4728 schtasks.exe 1476 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3516 powershell.exe 3516 powershell.exe 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 2840 powershell.exe 2840 powershell.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 3232 powershell.exe 3232 powershell.exe 4124 powershell.exe 4124 powershell.exe 4640 powershell.exe 4640 powershell.exe 764 powershell.exe 764 powershell.exe 4436 powershell.exe 4436 powershell.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 3972 csrss.exe 3972 csrss.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 3972 csrss.exe 3972 csrss.exe 860 injector.exe 860 injector.exe 3972 csrss.exe 3972 csrss.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Token: SeImpersonatePrivilege 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeSystemEnvironmentPrivilege 3972 csrss.exe Token: SeSecurityPrivilege 3080 sc.exe Token: SeSecurityPrivilege 3080 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1188 wrote to memory of 3516 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 91 PID 1188 wrote to memory of 3516 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 91 PID 1188 wrote to memory of 3516 1188 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 91 PID 1652 wrote to memory of 2840 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 96 PID 1652 wrote to memory of 2840 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 96 PID 1652 wrote to memory of 2840 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 96 PID 1652 wrote to memory of 1528 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 99 PID 1652 wrote to memory of 1528 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 99 PID 1528 wrote to memory of 1884 1528 cmd.exe 101 PID 1528 wrote to memory of 1884 1528 cmd.exe 101 PID 1652 wrote to memory of 3232 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 102 PID 1652 wrote to memory of 3232 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 102 PID 1652 wrote to memory of 3232 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 102 PID 1652 wrote to memory of 4124 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 104 PID 1652 wrote to memory of 4124 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 104 PID 1652 wrote to memory of 4124 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 104 PID 1652 wrote to memory of 3972 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 106 PID 1652 wrote to memory of 3972 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 106 PID 1652 wrote to memory of 3972 1652 2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe 106 PID 3972 wrote to memory of 4640 3972 csrss.exe 108 PID 3972 wrote to memory of 4640 3972 csrss.exe 108 PID 3972 wrote to memory of 4640 3972 csrss.exe 108 PID 3972 wrote to memory of 764 3972 csrss.exe 114 PID 3972 wrote to memory of 764 3972 csrss.exe 114 PID 3972 wrote to memory of 764 3972 csrss.exe 114 PID 3972 wrote to memory of 4436 3972 csrss.exe 116 PID 3972 wrote to memory of 4436 3972 csrss.exe 116 PID 3972 wrote to memory of 4436 3972 csrss.exe 116 PID 3972 wrote to memory of 860 3972 csrss.exe 118 PID 3972 wrote to memory of 860 3972 csrss.exe 118 PID 1816 wrote to memory of 3360 1816 windefender.exe 124 PID 1816 wrote to memory of 3360 1816 windefender.exe 124 PID 1816 wrote to memory of 3360 1816 windefender.exe 124 PID 3360 wrote to memory of 3080 3360 cmd.exe 125 PID 3360 wrote to memory of 3080 3360 cmd.exe 125 PID 3360 wrote to memory of 3080 3360 cmd.exe 125 PID 3972 wrote to memory of 2052 3972 csrss.exe 127 PID 3972 wrote to memory of 2052 3972 csrss.exe 127 PID 3972 wrote to memory of 2052 3972 csrss.exe 127 -
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\2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe"C:\Users\Admin\AppData\Local\Temp\2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3516
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C:\Users\Admin\AppData\Local\Temp\2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.exe"C:\Users\Admin\AppData\Local\Temp\2861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902.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:1652 -
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:2840
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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:1528 -
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:1884
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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:3232
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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:4124
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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:3972 -
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:4640
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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:4728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2628
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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:764
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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:4436
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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:860
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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:1476
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1816 -
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:3360 -
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:3080
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2052 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1288
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5004
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4a62470f299d86fb78249e5920b6b5a
SHA16a00ce28d426fdb82036ce6e42e3e9470c405326
SHA25645fc1ba91c3620e6d08997fc1e469af232b45e38d4400f42d30aac36388c7892
SHA51252d9c4c97c1d15981324259d6a09358d2b609f804c280ba51324dcd31926455185dfb1fea1c0950d21c05e3a6b3ec7604ade60e17971ad10dc5a4650f273f9e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbae7a71c06885fe80a7155261763088
SHA1b734a342a500b2c2637eeb5fe00b2250bf26bd24
SHA256c2016b4ab1505e147ddf54b17de7e18a6f7648dd25af41dfae3975d96803d4a2
SHA51242d9088b94160073f78b00a1d827672857405ffdf4599c59e8ca671ea5c6b5c1613004cb2b25d45cbb07d74a94106a2d332373151c18aa46ca808ae7075bacf7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ab5a70d4bc3f6fe65df99d40dd6d82d
SHA126e0281b117cede702c76b860df26e6598accdbc
SHA2561b27e0e1372ed71f5328157a4761afd8e0d04a1f7ed59146836c90420d443e55
SHA51270425ac4f937390e22384a9b320d73dad8bd9b4e9485f505fbb42d4e3520592ae0bc3b4e45f9c1a33996eb227d9a5aae299d87c8ab5613eb381239a6a55b68ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532ffd488a294501eb202e9cd37fe1ad7
SHA1df9ce0b985489f61334acd28e532e57f0e55cd34
SHA2564a31f51bb4a6dc6f594e69b3136110f9c2751e566c1b67da48c3a297b28a99e2
SHA512b6c582e4d11035e979a01163ca61a48199c8f5fece47859beeeb282034dd08ad22d8a80b72fb719c5c8ed889d13dd1a3bfd8eac37406917cb86400efe457b2af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532729e9dcc3ba095848eb759e3a2d9d8
SHA15f87f68704dda7317baccedb7bacdd02341bb1b8
SHA2569cbaafd8ac2321c852b3e26f293777a3f057bc6a6ea688b654bd048c3602b010
SHA512363899ef9cba9042517081f31e0d7509426149985e3ee2b42c0abac64b65a646ab0dea15997786ebb443c289f84cdc95d98b6b6f521e6f9a34c4b8a0502ff2f1
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Filesize
4.1MB
MD5169804625599b91207ad203d8fc62283
SHA19beeed3006b52cdce0a76acb9aba6b13e2370a40
SHA2562861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902
SHA512b4610fd94586cf113aaa74e5e3c2059104ab6b86540c34f3709260af04582cdcb8fe09e089f84541fad25816fbf4219dd80d732d3d18ae5fdb46470c1e95d2e5
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Filesize
4.1MB
MD5169804625599b91207ad203d8fc62283
SHA19beeed3006b52cdce0a76acb9aba6b13e2370a40
SHA2562861c1455b0e686644c0e22c84c376ab909641d14ce50e72caf125f44a0d4902
SHA512b4610fd94586cf113aaa74e5e3c2059104ab6b86540c34f3709260af04582cdcb8fe09e089f84541fad25816fbf4219dd80d732d3d18ae5fdb46470c1e95d2e5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec