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Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2023, 07:55
Static task
static1
General
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Target
9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe
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Size
4.1MB
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MD5
4397d8c74b587881a885a850c0c2ddd9
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SHA1
1f6b4af654fda8923921ae9f7d65ff1eda48c340
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SHA256
9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93
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SHA512
6956f0806a5a19026c76f416c2abaa615096d2200550dada73f065575f0029abd67ab593c9bfe8cbab7da92083f84f1860af6fdd7d81b8c9cb316b9c861e85ae
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SSDEEP
98304:mYqeyY3InyeXPXVYbXLmQwZOq23TP1bqStpaZv5yFAidrTD8vcx6dY:mVweXPX+b7mj4tJGkAwrT16+
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3572-2-0x0000000002F50000-0x000000000383B000-memory.dmp family_glupteba behavioral1/memory/3572-3-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3572-4-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3572-26-0x0000000002F50000-0x000000000383B000-memory.dmp family_glupteba behavioral1/memory/3572-27-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3572-33-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3572-63-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-65-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-79-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-97-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-115-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-158-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3128-165-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-171-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-219-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-267-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-274-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-276-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-286-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-289-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba behavioral1/memory/3936-292-0x0000000000400000-0x0000000000D64000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2524 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3936 csrss.exe 4800 injector.exe 2852 windefender.exe 1156 windefender.exe -
resource yara_rule behavioral1/files/0x00060000000230bf-279.dat upx behavioral1/files/0x00060000000230bf-281.dat upx behavioral1/files/0x00060000000230bf-282.dat upx behavioral1/memory/2852-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1156-287-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1156-293-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\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 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe File created C:\Windows\rss\csrss.exe 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.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 4684 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 2524 schtasks.exe 228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.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\1e\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.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\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\1e\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4696 powershell.exe 4696 powershell.exe 4696 powershell.exe 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 2284 powershell.exe 2284 powershell.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 5024 powershell.exe 5024 powershell.exe 3548 powershell.exe 3548 powershell.exe 1592 powershell.exe 1592 powershell.exe 4740 powershell.exe 4740 powershell.exe 2380 powershell.exe 2380 powershell.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 3936 csrss.exe 3936 csrss.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 3936 csrss.exe 3936 csrss.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe 4800 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Token: SeImpersonatePrivilege 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe Token: SeDebugPrivilege 2284 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 2380 powershell.exe Token: SeSystemEnvironmentPrivilege 3936 csrss.exe Token: SeSecurityPrivilege 4684 sc.exe Token: SeSecurityPrivilege 4684 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3572 wrote to memory of 4696 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 92 PID 3572 wrote to memory of 4696 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 92 PID 3572 wrote to memory of 4696 3572 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 92 PID 3128 wrote to memory of 2284 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 100 PID 3128 wrote to memory of 2284 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 100 PID 3128 wrote to memory of 2284 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 100 PID 3128 wrote to memory of 2736 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 103 PID 3128 wrote to memory of 2736 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 103 PID 2736 wrote to memory of 2524 2736 cmd.exe 105 PID 2736 wrote to memory of 2524 2736 cmd.exe 105 PID 3128 wrote to memory of 5024 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 106 PID 3128 wrote to memory of 5024 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 106 PID 3128 wrote to memory of 5024 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 106 PID 3128 wrote to memory of 3548 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 108 PID 3128 wrote to memory of 3548 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 108 PID 3128 wrote to memory of 3548 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 108 PID 3128 wrote to memory of 3936 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 110 PID 3128 wrote to memory of 3936 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 110 PID 3128 wrote to memory of 3936 3128 9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe 110 PID 3936 wrote to memory of 1592 3936 csrss.exe 111 PID 3936 wrote to memory of 1592 3936 csrss.exe 111 PID 3936 wrote to memory of 1592 3936 csrss.exe 111 PID 3936 wrote to memory of 4740 3936 csrss.exe 117 PID 3936 wrote to memory of 4740 3936 csrss.exe 117 PID 3936 wrote to memory of 4740 3936 csrss.exe 117 PID 3936 wrote to memory of 2380 3936 csrss.exe 120 PID 3936 wrote to memory of 2380 3936 csrss.exe 120 PID 3936 wrote to memory of 2380 3936 csrss.exe 120 PID 3936 wrote to memory of 4800 3936 csrss.exe 122 PID 3936 wrote to memory of 4800 3936 csrss.exe 122 PID 2852 wrote to memory of 1672 2852 windefender.exe 135 PID 2852 wrote to memory of 1672 2852 windefender.exe 135 PID 2852 wrote to memory of 1672 2852 windefender.exe 135 PID 1672 wrote to memory of 4684 1672 cmd.exe 136 PID 1672 wrote to memory of 4684 1672 cmd.exe 136 PID 1672 wrote to memory of 4684 1672 cmd.exe 136 -
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\9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe"C:\Users\Admin\AppData\Local\Temp\9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696
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C:\Users\Admin\AppData\Local\Temp\9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.exe"C:\Users\Admin\AppData\Local\Temp\9261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93.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:3128 -
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:2284
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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:2736 -
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:2524
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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:5024
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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:3548
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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:3936 -
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:1592
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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:2524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2736
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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:4740
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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:2380
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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:4800
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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:228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2852 -
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:1672 -
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:4684
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1156
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
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534a36fb58f645bcd5f0833d190f86ea7
SHA135f1d2b77a535547c416ff0c3d9325360aa26014
SHA256d95e9c76f56861bccce83fb6ad4d30c05e1673b934abdf0b89692f2f129964c1
SHA512d8e4871a5aece396758dba205e3104bab880238817984078808232f1ad28f285a10720dbcf359616b2313b537b152c31c37e61b0cc0ceb380e1ef0612987d2f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f05f85cd833aecd4285b8e4f17f49e5b
SHA13744ebec86be9d54b2cae92bbd0fa600814f6c01
SHA256de075c43876f8e8a5cb080b079f0b41edd4b3c81326f3fa5ae0c47d718d54749
SHA512dc72d3fbdd93e2fadd21a52e801887b9f3b957805e01b2156b128a6b36ec34f2a881fb76121b5d45603f2f00cc0f46d1ef0a205f3d6182ab758fbbea06b3caea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e86b97796f74a7c0c82c0dfb983428a
SHA141e8619d5d1c60f9c707a21392e665d2fc72a831
SHA256dd65a3f95826b463f60b1694fb066c6de6c6af00fa1cde2d4ee7b26fbf1dd87f
SHA512b8f8ebf4f4f6fa0cf32fecd5e5f225c036fe95e9faefe46342d2de8482d7755ff8a4387d9076ec1a6e3ee4f7740847cca9aba7857e23bc2b8e00f4c936d63514
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57db95b64e68558fbf50ae6418680cea0
SHA1c61119120ddc6c93f50cc0d4e71a4cb2b15a44f2
SHA2562403745ba3167d00a8863b51bf120dede10f45214809d26c748b4990d8f5465b
SHA51260868fa707fef8210a7d802b383acf19e27d9fa6ea15aa549848f6d07b71339350b9bed9a5f6d0c25825bf4db3c469589a944e21dec81e070e740d101380f992
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b026bff1e84f837bcb140723a2e52d16
SHA1da071e2ea0b116fd5bb60aa63e274f0b3f25bf20
SHA2569d2cd01ce4914e3c54659728bb21191527013de545917cf85a86482721cc61c1
SHA512f47a187d5d58cbabec040640a2554a08c31ed098097fab5a031553b3672b493734eea514fbda7ff6b32555417d8bcea8308021c5efcfe0c70637d4d6d070801e
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Filesize
4.1MB
MD54397d8c74b587881a885a850c0c2ddd9
SHA11f6b4af654fda8923921ae9f7d65ff1eda48c340
SHA2569261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93
SHA5126956f0806a5a19026c76f416c2abaa615096d2200550dada73f065575f0029abd67ab593c9bfe8cbab7da92083f84f1860af6fdd7d81b8c9cb316b9c861e85ae
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Filesize
4.1MB
MD54397d8c74b587881a885a850c0c2ddd9
SHA11f6b4af654fda8923921ae9f7d65ff1eda48c340
SHA2569261abac372aa5ff15c6c5942d02d75894ca844b00e2dfd7e900a532438f8b93
SHA5126956f0806a5a19026c76f416c2abaa615096d2200550dada73f065575f0029abd67ab593c9bfe8cbab7da92083f84f1860af6fdd7d81b8c9cb316b9c861e85ae
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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