Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe
Resource
win10v2004-20240508-en
General
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Target
774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe
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Size
4.1MB
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MD5
d60ffe822986de46d466ae208084a875
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SHA1
3cadadd4a55a58942c75d269a2f9d5b6eabc95a9
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SHA256
774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0
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SHA512
24a90ee0977a6a09910b398cd171a5912123834b189c55f025d029d4f4ea550d33b602fd7f7d16b19dc3582b6a40b6d37d2e0e7e7fa8435c24ac6b49e582e4f2
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SSDEEP
98304:GQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9n6:GQAQcDPYxuCJe7X5ghf6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4700-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/4700-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4700-92-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4700-128-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/3444-180-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4700-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4636-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-264-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4636-270-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1272 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4636 csrss.exe 5100 injector.exe 3136 windefender.exe 2608 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023436-219.dat upx behavioral1/memory/3136-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3136-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe File created C:\Windows\rss\csrss.exe 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3344 sc.exe -
pid Process 1120 powershell.exe 448 powershell.exe 2136 powershell.exe 3560 powershell.exe 4240 powershell.exe 3160 powershell.exe 916 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 3284 schtasks.exe 3508 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3560 powershell.exe 3560 powershell.exe 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 4240 powershell.exe 4240 powershell.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 3160 powershell.exe 3160 powershell.exe 3160 powershell.exe 916 powershell.exe 916 powershell.exe 916 powershell.exe 1120 powershell.exe 1120 powershell.exe 1120 powershell.exe 448 powershell.exe 448 powershell.exe 448 powershell.exe 2136 powershell.exe 2136 powershell.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4636 csrss.exe 4636 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4636 csrss.exe 4636 csrss.exe 5100 injector.exe 5100 injector.exe 4636 csrss.exe 4636 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3560 powershell.exe Token: SeDebugPrivilege 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Token: SeImpersonatePrivilege 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeSystemEnvironmentPrivilege 4636 csrss.exe Token: SeSecurityPrivilege 3344 sc.exe Token: SeSecurityPrivilege 3344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4700 wrote to memory of 3560 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 85 PID 4700 wrote to memory of 3560 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 85 PID 4700 wrote to memory of 3560 4700 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 85 PID 3444 wrote to memory of 4240 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 95 PID 3444 wrote to memory of 4240 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 95 PID 3444 wrote to memory of 4240 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 95 PID 3444 wrote to memory of 932 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 99 PID 3444 wrote to memory of 932 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 99 PID 932 wrote to memory of 1272 932 cmd.exe 101 PID 932 wrote to memory of 1272 932 cmd.exe 101 PID 3444 wrote to memory of 3160 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 104 PID 3444 wrote to memory of 3160 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 104 PID 3444 wrote to memory of 3160 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 104 PID 3444 wrote to memory of 916 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 106 PID 3444 wrote to memory of 916 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 106 PID 3444 wrote to memory of 916 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 106 PID 3444 wrote to memory of 4636 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 109 PID 3444 wrote to memory of 4636 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 109 PID 3444 wrote to memory of 4636 3444 774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe 109 PID 4636 wrote to memory of 1120 4636 csrss.exe 110 PID 4636 wrote to memory of 1120 4636 csrss.exe 110 PID 4636 wrote to memory of 1120 4636 csrss.exe 110 PID 4636 wrote to memory of 448 4636 csrss.exe 116 PID 4636 wrote to memory of 448 4636 csrss.exe 116 PID 4636 wrote to memory of 448 4636 csrss.exe 116 PID 4636 wrote to memory of 2136 4636 csrss.exe 118 PID 4636 wrote to memory of 2136 4636 csrss.exe 118 PID 4636 wrote to memory of 2136 4636 csrss.exe 118 PID 4636 wrote to memory of 5100 4636 csrss.exe 120 PID 4636 wrote to memory of 5100 4636 csrss.exe 120 PID 3136 wrote to memory of 4276 3136 windefender.exe 127 PID 3136 wrote to memory of 4276 3136 windefender.exe 127 PID 3136 wrote to memory of 4276 3136 windefender.exe 127 PID 4276 wrote to memory of 3344 4276 cmd.exe 128 PID 4276 wrote to memory of 3344 4276 cmd.exe 128 PID 4276 wrote to memory of 3344 4276 cmd.exe 128 -
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\774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe"C:\Users\Admin\AppData\Local\Temp\774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3560
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C:\Users\Admin\AppData\Local\Temp\774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.exe"C:\Users\Admin\AppData\Local\Temp\774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0.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:3444 -
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:4240
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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:932 -
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:1272
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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:3160
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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:916
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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:4636 -
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:1120
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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:3284
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:408
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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:448
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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:2136
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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:5100
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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:3508
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3136 -
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:4276 -
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:3344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2608
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
MD540859c0f35da0b7e74f3cea0bef51937
SHA1aa098300c6fd17669532e95262c5d0788547aef7
SHA2565a61f15001fbbed5a2c70a3af316d17b50b56255c76254499ded5b1c4b17eae4
SHA51265e88ceb7b4d7fa2c7779dc39bb5a89563198da4482fe4e179d0c3f8c41c80c7ea0f021ddf9904c603dc2e87b1e32f9f496accc6bb4845375ac612243c70f8cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521b9eadd062792fb25bfa9ef5aa65861
SHA178ec4b73003c0bbc0b38753413bd5b4fb053ce13
SHA256a4f460b779dfa3ffcb3a080b3286645248cf9f0f370a349624ad8739a532dd1b
SHA512f0b03d093f811dc2ad16bcdac195fe69ae0ab586f61d08739f031d24cecafa8273237759cc0cb362503c351ee1facb3a348ed944db4ffde4517da943e14817e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2e0804f63a0324ff26ab0c9a3245e2d
SHA1bdb210dceda5b4cbc661c05583d183e9936f0f97
SHA256247a6dffc5ff82a980b317ab892214bb73c59a54bebe9a5440ba5e2d6cf91af4
SHA512ad7a3af468aeaad39816e526baf7727cecef078ddcc72356dfea0d0f1f787978fd68c2aef44fc6eb326d10bb25cf61a451a408560f5bef1633410f80e6325665
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aee7b2e97f640c0d4cf75705a3926329
SHA154e1ae7fe1d21080ed1a07dc2aa0fc416003023b
SHA256aaff4b3c825017a228583cdb6d6f62ceb2c334d563bba6585c060bc3ef5cabda
SHA512321f1e9b3703ab72d3bbb4ac74e0acc765f42e81453867beaf28780cee131f35d655b3bce4c23cca98b04a890eb4a28193c5268a4d482eff8bc7ee719ff7d427
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5712408ca44d94b0a6d63cc3f780dd3
SHA12d6a8c666c4d30d283183fa7b90dff66fe0621c0
SHA256e7610afc6e0dea7facb82bc6f9614e1e774479903284d7960b505bf2759b6140
SHA512e32c080c1e50762b5054e2c340f69ebab0f7a036631da6cebf04c6cbf1e2b744a7b13e6d762915c4c7d9868ba5b7820840b45fa326af4e56c1b19ef2232beb4f
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Filesize
4.1MB
MD5d60ffe822986de46d466ae208084a875
SHA13cadadd4a55a58942c75d269a2f9d5b6eabc95a9
SHA256774bfd9259ac9494d3f09ab4e79f44894bd828fc1afa8e105a75bb4570c410e0
SHA51224a90ee0977a6a09910b398cd171a5912123834b189c55f025d029d4f4ea550d33b602fd7f7d16b19dc3582b6a40b6d37d2e0e7e7fa8435c24ac6b49e582e4f2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec