Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 19:50
Static task
static1
Behavioral task
behavioral1
Sample
354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe
Resource
win10v2004-20240508-en
General
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Target
354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe
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Size
4.1MB
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MD5
2501904caaaf715aaa6e70ab8ad20fc8
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SHA1
b49031fe00ba1918a32069f432085dfd6cf44124
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SHA256
354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59
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SHA512
36b5fb33ac2cfd981ae6d9065a851fdc45fd4d6fb32a8c3c16ccb05fc58892ee632027bffacc7f0d5c9c4600c09aa92fe93dacebe62ffb9f9e8a43a98b490f05
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SSDEEP
98304:8NDkrDkWF0Od7Bbpe5aREltWx6CTK/peOvQS+4COpa+8:6or6Od7re5aRZx6kgpe94ClV
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2844-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/2844-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2844-54-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/2844-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2844-53-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1864-129-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1864-133-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-213-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-219-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-229-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-231-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-233-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-235-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-237-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-239-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-241-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-243-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-245-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4396-247-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3336 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4396 csrss.exe 4676 injector.exe 4892 windefender.exe 2496 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023414-222.dat upx behavioral1/memory/4892-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4892-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-234-0x0000000000400000-0x00000000008DF000-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\"" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.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 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 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.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 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe File created C:\Windows\rss\csrss.exe 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3588 sc.exe -
pid Process 2144 powershell.exe 4348 powershell.exe 1112 powershell.exe 516 powershell.exe 1612 powershell.exe 4136 powershell.exe 4540 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2660 2844 WerFault.exe 79 1344 2844 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 864 schtasks.exe 1440 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\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.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,-1722 = "Libya Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern 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" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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" 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1612 powershell.exe 1612 powershell.exe 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 4136 powershell.exe 4136 powershell.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 4540 powershell.exe 4540 powershell.exe 2144 powershell.exe 2144 powershell.exe 4348 powershell.exe 4348 powershell.exe 1112 powershell.exe 1112 powershell.exe 516 powershell.exe 516 powershell.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4396 csrss.exe 4396 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4396 csrss.exe 4396 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4396 csrss.exe 4396 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Token: SeImpersonatePrivilege 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 516 powershell.exe Token: SeSystemEnvironmentPrivilege 4396 csrss.exe Token: SeSecurityPrivilege 3588 sc.exe Token: SeSecurityPrivilege 3588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2844 wrote to memory of 1612 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 84 PID 2844 wrote to memory of 1612 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 84 PID 2844 wrote to memory of 1612 2844 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 84 PID 1864 wrote to memory of 4136 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 94 PID 1864 wrote to memory of 4136 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 94 PID 1864 wrote to memory of 4136 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 94 PID 1864 wrote to memory of 4440 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 96 PID 1864 wrote to memory of 4440 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 96 PID 4440 wrote to memory of 3336 4440 cmd.exe 98 PID 4440 wrote to memory of 3336 4440 cmd.exe 98 PID 1864 wrote to memory of 4540 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 99 PID 1864 wrote to memory of 4540 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 99 PID 1864 wrote to memory of 4540 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 99 PID 1864 wrote to memory of 2144 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 101 PID 1864 wrote to memory of 2144 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 101 PID 1864 wrote to memory of 2144 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 101 PID 1864 wrote to memory of 4396 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 103 PID 1864 wrote to memory of 4396 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 103 PID 1864 wrote to memory of 4396 1864 354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe 103 PID 4396 wrote to memory of 4348 4396 csrss.exe 104 PID 4396 wrote to memory of 4348 4396 csrss.exe 104 PID 4396 wrote to memory of 4348 4396 csrss.exe 104 PID 4396 wrote to memory of 1112 4396 csrss.exe 110 PID 4396 wrote to memory of 1112 4396 csrss.exe 110 PID 4396 wrote to memory of 1112 4396 csrss.exe 110 PID 4396 wrote to memory of 516 4396 csrss.exe 112 PID 4396 wrote to memory of 516 4396 csrss.exe 112 PID 4396 wrote to memory of 516 4396 csrss.exe 112 PID 4396 wrote to memory of 4676 4396 csrss.exe 115 PID 4396 wrote to memory of 4676 4396 csrss.exe 115 PID 4892 wrote to memory of 3500 4892 windefender.exe 121 PID 4892 wrote to memory of 3500 4892 windefender.exe 121 PID 4892 wrote to memory of 3500 4892 windefender.exe 121 PID 3500 wrote to memory of 3588 3500 cmd.exe 122 PID 3500 wrote to memory of 3588 3500 cmd.exe 122 PID 3500 wrote to memory of 3588 3500 cmd.exe 122 -
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\354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe"C:\Users\Admin\AppData\Local\Temp\354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612
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C:\Users\Admin\AppData\Local\Temp\354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.exe"C:\Users\Admin\AppData\Local\Temp\354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59.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:1864 -
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:4136
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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:4440 -
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:3336
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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:4540
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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:4396 -
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:4348
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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:864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1080
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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:1112
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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:516
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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:4676
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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:1440
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4892 -
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:3500 -
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:3588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 6322⤵
- Program crash
PID:2660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 6282⤵
- Program crash
PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2844 -ip 28441⤵PID:2180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2844 -ip 28441⤵PID:2796
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2496
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d7bd74fb5ef5c3dc9d47939295e3bd5
SHA12c6ac00a9bca3014264825a285b8f0367fd2398b
SHA25645edc6ca6fa72d7883afbd8fdac8fe901df2fff148a82174e7ea22ed6290aa1a
SHA512ef8b4e3cdefa2811dea88740c9d867cf24cef6f0d9557179fa003f6c35187cbec0336ae93dac22f258a76ccc2a9abf6ae08260238e25b6f4c42afe61ec8a4a8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d2132466a790c5343e773b4b5fdf014
SHA1c8ef8db5ecd9dbaebec617e7befb6796788f70db
SHA256ac45cfc7104e1347d07d6fe127205fd6acb85b39fec51b818d6c1b2fc7ce6fa0
SHA512430224d2a70432b15a3f9fbe6f34656522532b93186219b2fb9e49126b5ab07d03afb9a209351526f05f0334a627a95eacd0ff44ac461499ca68bf00d97c8057
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55745dbf3d43e07af72b42b92e965d8c3
SHA15d5bb3b31ed52268c71b0b3d50fa19b2c95bf7aa
SHA256bcf742ca2d04a6bbe7aa4ce8ab6f2af65ce52e7f88353eb11657dc47eefd3dd1
SHA512ddcf46795ef1f5f5187555f4abe6a4ebc895ed16bdda5902b02d63db326236fa6401de94e3778f8f13a5301b0445522dd278aa7bee48ff3d7c139aacca943976
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583c69e669bc1db339459b73240ec730e
SHA17c1470d14262c9531436d91299f4a324a2392d71
SHA25618145f352e0b8823e6336b9e8866e1a677cd5a6e5ec004ec4132c496a8b28bd5
SHA512255f5153f210546899b9fc828549d33656d6a1f1b86d8c89a061cce79892998218b70fb5caa8365e79e60f50dd7117fb13f2921ffbef51a6d6fee72aae04f1d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9176ee5989300de698c942f357a97d9
SHA12442c1f26e9d2cceaccc0882b6de88b539a79811
SHA256f40fe020aca0ccac94b9d5e3e72ee2ea77f60936ec553aeb1a799258eb107534
SHA5125fe0f10fe2b7ce76132ce9af24cdcf41d89309033e20ca6267bf63dc55e2be3e3f99f12539f13302e844cd97a5950378875afe94d20ccf73498b4c3c716325c0
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Filesize
4.1MB
MD52501904caaaf715aaa6e70ab8ad20fc8
SHA1b49031fe00ba1918a32069f432085dfd6cf44124
SHA256354340fbeae498184d35391e27a0725712a1556390eeb511053e0fc700512b59
SHA51236b5fb33ac2cfd981ae6d9065a851fdc45fd4d6fb32a8c3c16ccb05fc58892ee632027bffacc7f0d5c9c4600c09aa92fe93dacebe62ffb9f9e8a43a98b490f05
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec