Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:24
Static task
static1
Behavioral task
behavioral1
Sample
c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe
Resource
win10v2004-20240508-en
General
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Target
c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe
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Size
4.1MB
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MD5
52d69906fb9fedeccf7954d25b3d468c
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SHA1
4d3b05ff2be98f0ccc15f3c222f0e0c08124e27d
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SHA256
c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018
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SHA512
9c9ffc709779fa123cd93bc78b5cc0c51f21759f2244df2a296908185182ec005fc25de582818eb70290701fd77df75187c8f849070e8a483c10c44803e1e55f
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SSDEEP
98304:8QJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FY:Xb8hTmbBIxHPR3rn3oKY
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1000-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/1000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1000-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1000-54-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/1000-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1000-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/416-66-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/416-123-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/416-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-142-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2152-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2620 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2152 csrss.exe 2536 injector.exe 2528 windefender.exe 4116 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa03-211.dat upx behavioral2/memory/2528-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2528-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4116-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4116-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4116-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.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 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 -
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 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.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 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe File created C:\Windows\rss\csrss.exe c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4952 sc.exe -
pid Process 3132 powershell.exe 2788 powershell.exe 2776 powershell.exe 2396 powershell.exe 3000 powershell.exe 2472 powershell.exe 2144 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3524 1000 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4856 schtasks.exe 3984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.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\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard 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\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2396 powershell.exe 2396 powershell.exe 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 3000 powershell.exe 3000 powershell.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 2472 powershell.exe 2472 powershell.exe 2144 powershell.exe 2144 powershell.exe 3132 powershell.exe 3132 powershell.exe 2788 powershell.exe 2788 powershell.exe 2776 powershell.exe 2776 powershell.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2152 csrss.exe 2152 csrss.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2152 csrss.exe 2152 csrss.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2152 csrss.exe 2152 csrss.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe 2536 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Token: SeImpersonatePrivilege 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeSystemEnvironmentPrivilege 2152 csrss.exe Token: SeSecurityPrivilege 4952 sc.exe Token: SeSecurityPrivilege 4952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1000 wrote to memory of 2396 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 78 PID 1000 wrote to memory of 2396 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 78 PID 1000 wrote to memory of 2396 1000 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 78 PID 416 wrote to memory of 3000 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 86 PID 416 wrote to memory of 3000 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 86 PID 416 wrote to memory of 3000 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 86 PID 416 wrote to memory of 4004 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 88 PID 416 wrote to memory of 4004 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 88 PID 4004 wrote to memory of 2620 4004 cmd.exe 90 PID 4004 wrote to memory of 2620 4004 cmd.exe 90 PID 416 wrote to memory of 2472 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 91 PID 416 wrote to memory of 2472 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 91 PID 416 wrote to memory of 2472 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 91 PID 416 wrote to memory of 2144 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 93 PID 416 wrote to memory of 2144 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 93 PID 416 wrote to memory of 2144 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 93 PID 416 wrote to memory of 2152 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 95 PID 416 wrote to memory of 2152 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 95 PID 416 wrote to memory of 2152 416 c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe 95 PID 2152 wrote to memory of 3132 2152 csrss.exe 96 PID 2152 wrote to memory of 3132 2152 csrss.exe 96 PID 2152 wrote to memory of 3132 2152 csrss.exe 96 PID 2152 wrote to memory of 2788 2152 csrss.exe 102 PID 2152 wrote to memory of 2788 2152 csrss.exe 102 PID 2152 wrote to memory of 2788 2152 csrss.exe 102 PID 2152 wrote to memory of 2776 2152 csrss.exe 104 PID 2152 wrote to memory of 2776 2152 csrss.exe 104 PID 2152 wrote to memory of 2776 2152 csrss.exe 104 PID 2152 wrote to memory of 2536 2152 csrss.exe 106 PID 2152 wrote to memory of 2536 2152 csrss.exe 106 PID 2528 wrote to memory of 2448 2528 windefender.exe 112 PID 2528 wrote to memory of 2448 2528 windefender.exe 112 PID 2528 wrote to memory of 2448 2528 windefender.exe 112 PID 2448 wrote to memory of 4952 2448 cmd.exe 113 PID 2448 wrote to memory of 4952 2448 cmd.exe 113 PID 2448 wrote to memory of 4952 2448 cmd.exe 113 -
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\c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe"C:\Users\Admin\AppData\Local\Temp\c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Users\Admin\AppData\Local\Temp\c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.exe"C:\Users\Admin\AppData\Local\Temp\c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018.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:416 -
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:3000
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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:4004 -
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:2620
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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:2472
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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:2144
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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:2152 -
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:3132
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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:4856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4984
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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:2788
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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:2776
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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:2536
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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:3984
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2528 -
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:2448 -
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:4952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 9842⤵
- Program crash
PID:3524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1000 -ip 10001⤵PID:4608
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4116
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b3b9741331ec1cb29a929fc1a18edb2
SHA18dabd5d11bf06cc6e76fdceb71e82b680c9c3db6
SHA2568f7f656b9c09cc70b5c26cacb90f042fde0e2131f5f121f7690d6db55394eeff
SHA51253bf8d4d28206892eada7b941a9b85a9faa1d2e1ebbaa90abb29b0c04beaeec539a499630de9ae85eb3feeab894ba44d02aaf7b99bfedfc84d21db959ef6faba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e99a61f26e20ab9846cc7ff248d4116d
SHA183d64e223237907ef49542868389fd4975270cb2
SHA2560632347c6b8d23bcfe457dbd605ecf7cd925a8a70597307de5016cfe08730940
SHA512e0d652cb8b374471a712492949e8d3223e41dca7040fefb800126f7de065faa39647287955c376a84e384c978242f7a66f1b3e697ef1f123279b72e2d5482c25
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c4d9f68456645ec810e2c892a18f3ab
SHA1edde16a57b0c9ae02e21a57ab2985a048e36d48c
SHA256482c016da930e4d4e7c6ccd68f3e957c6b7c1f89b9119115c627598b41f2533f
SHA51234f68c29f544ff506c93a015179bbae0145f672babf66fddcb21d3e66e28461775871841134d2ede9e0122ca21216d8c5fff51551da2d61318593c35aaf792b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fffad4e9362ca33b5a305d3c66ca875
SHA1f6b33851c5071be851df923dc186e3bf8510244c
SHA256a3ab9352370be7aba7c837971a3a3a941e44d318cfbcbf86e2bae41528cf2422
SHA512898fdbb171ce658511bcac9840d866cec2bc7ede3dc48a3fb02518467c7955961f659d94c7441a5ab32e7022dc5595ee0f707694eeb8a997c28c7d8d9dadd175
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b4852ffb0ef136a77905a016bc9d6dd
SHA1720563e057722a59dbb49b342108cae9cd443042
SHA256ebb8314758de99dc0a418f03579e96b73bc20764201e4d211d7bc7141d09e499
SHA51267a35f1bc79878fc3d96e64b18a30f12d399b4496752a88120159ee61415c1b6b6c99d66d1b5345e96dec0f61888e2b81406754ae6cc1581d014f258dc6d806a
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Filesize
4.1MB
MD552d69906fb9fedeccf7954d25b3d468c
SHA14d3b05ff2be98f0ccc15f3c222f0e0c08124e27d
SHA256c2d3038817a10ea9ad45b08676a58f7d29bdde72c748da5e34df131e53c8f018
SHA5129c9ffc709779fa123cd93bc78b5cc0c51f21759f2244df2a296908185182ec005fc25de582818eb70290701fd77df75187c8f849070e8a483c10c44803e1e55f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec