Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe
Resource
win10v2004-20240508-en
General
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Target
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe
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Size
4.1MB
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MD5
1ce079dc4030da805273a0791b3f0d60
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SHA1
67f3bc88a5820d9b679530952bf5bbb2d4b5200a
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SHA256
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec
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SHA512
024d95b7db1ab76bf2b3fe637927fe538d6071c1f486a9658292e866fc98eede1ca0030e96642109050f1dc1e76bac09f84a75a3b8037894401ab1fce9b878ed
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SSDEEP
98304:/jrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2L:rrhn/yCBZkM+pB3dzi
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/996-2-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/996-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1968-56-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/1968-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4472 csrss.exe 1644 injector.exe 4084 windefender.exe 4992 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233f2-217.dat upx behavioral1/memory/4084-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4992-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4084-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4992-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4992-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4992-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 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 -
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 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2816 sc.exe -
pid Process 4536 powershell.exe 4616 powershell.exe 2716 powershell.exe 2728 powershell.exe 2464 powershell.exe 920 powershell.exe 3408 powershell.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 1112 schtasks.exe 4960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3408 powershell.exe 3408 powershell.exe 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 4536 powershell.exe 4536 powershell.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 4616 powershell.exe 4616 powershell.exe 2716 powershell.exe 2716 powershell.exe 2728 powershell.exe 2728 powershell.exe 2464 powershell.exe 2464 powershell.exe 920 powershell.exe 920 powershell.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 4472 csrss.exe 4472 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 4472 csrss.exe 4472 csrss.exe 1644 injector.exe 1644 injector.exe 4472 csrss.exe 4472 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Token: SeImpersonatePrivilege 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeSystemEnvironmentPrivilege 4472 csrss.exe Token: SeSecurityPrivilege 2816 sc.exe Token: SeSecurityPrivilege 2816 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 996 wrote to memory of 3408 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 85 PID 996 wrote to memory of 3408 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 85 PID 996 wrote to memory of 3408 996 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 85 PID 1968 wrote to memory of 4536 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 1968 wrote to memory of 4536 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 1968 wrote to memory of 4536 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 1968 wrote to memory of 2700 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 97 PID 1968 wrote to memory of 2700 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 97 PID 2700 wrote to memory of 1564 2700 cmd.exe 99 PID 2700 wrote to memory of 1564 2700 cmd.exe 99 PID 1968 wrote to memory of 4616 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 100 PID 1968 wrote to memory of 4616 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 100 PID 1968 wrote to memory of 4616 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 100 PID 1968 wrote to memory of 2716 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 102 PID 1968 wrote to memory of 2716 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 102 PID 1968 wrote to memory of 2716 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 102 PID 1968 wrote to memory of 4472 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 104 PID 1968 wrote to memory of 4472 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 104 PID 1968 wrote to memory of 4472 1968 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 104 PID 4472 wrote to memory of 2728 4472 csrss.exe 105 PID 4472 wrote to memory of 2728 4472 csrss.exe 105 PID 4472 wrote to memory of 2728 4472 csrss.exe 105 PID 4472 wrote to memory of 2464 4472 csrss.exe 111 PID 4472 wrote to memory of 2464 4472 csrss.exe 111 PID 4472 wrote to memory of 2464 4472 csrss.exe 111 PID 4472 wrote to memory of 920 4472 csrss.exe 113 PID 4472 wrote to memory of 920 4472 csrss.exe 113 PID 4472 wrote to memory of 920 4472 csrss.exe 113 PID 4472 wrote to memory of 1644 4472 csrss.exe 115 PID 4472 wrote to memory of 1644 4472 csrss.exe 115 PID 4084 wrote to memory of 2072 4084 windefender.exe 122 PID 4084 wrote to memory of 2072 4084 windefender.exe 122 PID 4084 wrote to memory of 2072 4084 windefender.exe 122 PID 2072 wrote to memory of 2816 2072 cmd.exe 123 PID 2072 wrote to memory of 2816 2072 cmd.exe 123 PID 2072 wrote to memory of 2816 2072 cmd.exe 123 -
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\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408
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C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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:1968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
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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:2700 -
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:1564
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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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:4472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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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:1112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:920
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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:1644
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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:4960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4084 -
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:2072 -
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:2816
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4992
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5911961b1b9ae110ebceb1aaac126e12d
SHA154114989e55f15113d5ce86f4496634a4eb202d7
SHA256e2f17abf00fa38241eedfb3e1b053a593ba23bf8858afd0c10bbe31282e77449
SHA512fe1c359b86ede4293bcb1bb0b948c8085ebe57a90bccc1fa7b7a1b8fdce3006a03bca45ee0f9129d8f657f991b638ff39469e450a91b58cf3e7891129a64666d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d4aca5b76686a46f70c8342edbf39e1
SHA12ba78f34be232871d9972ebcc1263a2848a00910
SHA256ab78d1e533502245b611eb5885f1bdc690184fb9ed2b2b4a20f6adcb3febfaeb
SHA51282bf325ddfacbb8f338f3c765a1f02417b1611425d72c7096f79ffda05f0be508f76972454dff4f2c610ed02f694d5493091566b92d11914393568d4218adacf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6dd390bdfd672433e1fdf70ee6583a4
SHA1df316f1c3cfa46f81feb54e7060b6ae108303c4b
SHA256cd697dd79018b15716c3b9e612eade5ac3af86659f832db06e8bf11e4ade9475
SHA512c148fa0d3c5edcdd15c09b4b46e186630368d5f7c8afa7b2de3a634d556879a51bafdb8ee8725c600a362098fd792f373f008d70f4c1c9396686449608e51607
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580949a2e19be9f16d0f38e9ade872b26
SHA160f1126738e1160819218303558de2ab41dfbf8b
SHA256ae36dec5292da1f2e403fbd13b1bc5f519e3432cf09e6db7bb87fd3eb67d0fcd
SHA51221e1284286545d462678b86ff50764c67cecce976a80815ca3b6df544799e2eb0b682347fdf4a800c922eaf5ccd0c78b4e3d3374f6e09131e8d3f761f6266526
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f12a5517407b51e64c145a88af117379
SHA1b8e923e3280763c569c5c28c9459ff5aaa16f315
SHA256997cf2b51c1e305e2c002f1dd479766cf7d41c757de61fd4490cade7afd29425
SHA51294f621a571d005ce2e9d132b9b4ea13bb2f6b5cb27428a7aa3e526279b03e52349e159653c46cf803dd8a642762e9483d67584469bf73d37cd5b0693b4245381
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Filesize
4.1MB
MD51ce079dc4030da805273a0791b3f0d60
SHA167f3bc88a5820d9b679530952bf5bbb2d4b5200a
SHA256b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec
SHA512024d95b7db1ab76bf2b3fe637927fe538d6071c1f486a9658292e866fc98eede1ca0030e96642109050f1dc1e76bac09f84a75a3b8037894401ab1fce9b878ed
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec