Analysis
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max time kernel
149s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe
Resource
win10v2004-20240426-en
General
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Target
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe
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Size
4.1MB
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MD5
ff8b66a413ace55ad3d9f97f144b8ada
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SHA1
046fde25db40e93d5ccd1111fc0bccb949a917aa
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SHA256
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c
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SHA512
470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0V:YLmIkbquibpii2yAk4+2fEKmbS
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2908-2-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/2908-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2908-107-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/2908-106-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3220-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3680 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5108 csrss.exe 3624 injector.exe 3632 windefender.exe 1772 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023403-219.dat upx behavioral1/memory/3632-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1772-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3632-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1772-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1772-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1772-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe File created C:\Windows\rss\csrss.exe f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2920 sc.exe -
pid Process 2044 powershell.exe 1636 powershell.exe 1212 powershell.exe 3608 powershell.exe 4224 powershell.exe 2268 powershell.exe 3376 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 3464 schtasks.exe 4624 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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.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\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-342 = "Egypt Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4224 powershell.exe 4224 powershell.exe 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 2268 powershell.exe 2268 powershell.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 3376 powershell.exe 3376 powershell.exe 2044 powershell.exe 2044 powershell.exe 1636 powershell.exe 1636 powershell.exe 1212 powershell.exe 1212 powershell.exe 3608 powershell.exe 3608 powershell.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 5108 csrss.exe 5108 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 5108 csrss.exe 5108 csrss.exe 3624 injector.exe 3624 injector.exe 5108 csrss.exe 5108 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Token: SeImpersonatePrivilege 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeSystemEnvironmentPrivilege 5108 csrss.exe Token: SeSecurityPrivilege 2920 sc.exe Token: SeSecurityPrivilege 2920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2908 wrote to memory of 4224 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 2908 wrote to memory of 4224 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 2908 wrote to memory of 4224 2908 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 3220 wrote to memory of 2268 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 96 PID 3220 wrote to memory of 2268 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 96 PID 3220 wrote to memory of 2268 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 96 PID 3220 wrote to memory of 348 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 100 PID 3220 wrote to memory of 348 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 100 PID 348 wrote to memory of 3680 348 cmd.exe 102 PID 348 wrote to memory of 3680 348 cmd.exe 102 PID 3220 wrote to memory of 3376 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 103 PID 3220 wrote to memory of 3376 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 103 PID 3220 wrote to memory of 3376 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 103 PID 3220 wrote to memory of 2044 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 105 PID 3220 wrote to memory of 2044 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 105 PID 3220 wrote to memory of 2044 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 105 PID 3220 wrote to memory of 5108 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 107 PID 3220 wrote to memory of 5108 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 107 PID 3220 wrote to memory of 5108 3220 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 107 PID 5108 wrote to memory of 1636 5108 csrss.exe 108 PID 5108 wrote to memory of 1636 5108 csrss.exe 108 PID 5108 wrote to memory of 1636 5108 csrss.exe 108 PID 5108 wrote to memory of 1212 5108 csrss.exe 114 PID 5108 wrote to memory of 1212 5108 csrss.exe 114 PID 5108 wrote to memory of 1212 5108 csrss.exe 114 PID 5108 wrote to memory of 3608 5108 csrss.exe 116 PID 5108 wrote to memory of 3608 5108 csrss.exe 116 PID 5108 wrote to memory of 3608 5108 csrss.exe 116 PID 5108 wrote to memory of 3624 5108 csrss.exe 118 PID 5108 wrote to memory of 3624 5108 csrss.exe 118 PID 3632 wrote to memory of 2952 3632 windefender.exe 125 PID 3632 wrote to memory of 2952 3632 windefender.exe 125 PID 3632 wrote to memory of 2952 3632 windefender.exe 125 PID 2952 wrote to memory of 2920 2952 cmd.exe 126 PID 2952 wrote to memory of 2920 2952 cmd.exe 126 PID 2952 wrote to memory of 2920 2952 cmd.exe 126 -
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\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.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:3220 -
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:2268
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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:348 -
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:3680
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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:3376
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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:2044
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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:5108 -
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:1636
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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:3464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4160
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212
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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:3608
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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:3624
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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:4624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3632 -
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:2952 -
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:2920
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1772
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
MD572e77b7d6e7925617fe3099dc1c8f137
SHA1639c5f801aa286102500fe3a438fcfed0374e195
SHA256eff88bdd159d2e89fc4306a57c37a33c211deb26588003fc31c24943cb7d0692
SHA5121518e1ada6ffbe6a3094c9208914aee35835cf326a9f20e3bf406ae02fe86acd4e6a3a1ffde9495f321b9d9e4942854040a85ec3a8b96031e8606f1bb94dbc0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599a38680122dc58f8ba46b83e5631d65
SHA127379af144eb73b850820b7383188311dd5a5717
SHA2564c5b9457e2661654b33523e82ae413f79ea11b9bb46d8f19f55990043089ce97
SHA5129ab3e903926cec3e7c45164070a608f448a3806607724a5e6ae4cfba76d9fd4556ad8c61c13c60e7e1620981b8d807e6cec10e67378d8bd33413b0b0884b2cd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541abcecf91b4b2806f819b5d05b3add0
SHA1c22ee339e748c6f996c5b58900f258f26a505aab
SHA256410f5519d5e099f2cc87a3c141c6a5a527a38a2b3c50f73ab7d5f7bf825226da
SHA51291dd70ed62590a8d02504d2f9581aac39e5aa53df04a1ea6bd20853d7f39cd985bddca23686ca83d2688706584e48431da3cb2c93f99d57f785e15a5ac40a197
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce1f96a8bb1ca7013578ce2c3fa171fe
SHA19e7e23dbd34dc561025d61ce1261e95d1739e2ce
SHA25637018b55a69a8db985306d7221168c9a93f96d998dcf2415f454fd6a6775dca6
SHA51289075ba82e92c3974deb9f04b8667ed6f3cd04aae22479d89f0b066a2db7946c8fbf6be90f56b34ab1ac422a695703eb35d2f52461bd873f4d97e8bbed38ad53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565ce11384591264a9f70df9d9f87de08
SHA1c29c9495a5dfc09c4975d0c29c85c2d4884db1df
SHA256789897b6e06b963751b663da6bd8b72d426cf1c239421a57ae39ae0ed3dd35d1
SHA5122613c7e9ddd5a2328abd91f414b1e8cdb761092c91c780dd519894a14dad41812e43266ef3ea31bcfab3af4d12276f3eab2424a88504aad10ed81c744e85c123
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Filesize
4.1MB
MD5ff8b66a413ace55ad3d9f97f144b8ada
SHA1046fde25db40e93d5ccd1111fc0bccb949a917aa
SHA256f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c
SHA512470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec