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Analysis
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max time kernel
53s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 01:54
Static task
static1
Behavioral task
behavioral1
Sample
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe
Resource
win10v2004-20240426-en
General
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Target
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe
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Size
4.1MB
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MD5
2ae6c434ef982ebc70752959117aa7e2
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SHA1
0b5e147250ad4f99de1ec563137a6c283e317fc7
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SHA256
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01
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SHA512
db12c78f9153da3bdb3114605ee067b906115af915634d4d53119ff97362454751dbcc058fc24dcb36e108bf80ad530e950114fe2b3e1f58af975b324c88421b
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SSDEEP
98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22s:8rcnZFqd2LRPP3hYhQZs
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2232-2-0x0000000004580000-0x0000000004E6B000-memory.dmp family_glupteba behavioral1/memory/2232-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4672-131-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/2232-155-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/2232-157-0x0000000004580000-0x0000000004E6B000-memory.dmp family_glupteba behavioral1/memory/2232-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5792-216-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-227-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-229-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-236-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-239-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-242-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-244-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-248-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-251-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-254-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-256-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/5792-259-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5792 csrss.exe 1440 injector.exe 3204 windefender.exe 2956 windefender.exe -
resource yara_rule behavioral1/memory/3204-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2956-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3204-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00080000000233fa-222.dat upx behavioral1/memory/2956-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2956-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe File created C:\Windows\rss\csrss.exe 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5276 sc.exe -
pid Process 732 powershell.exe 1748 powershell.exe 4812 powershell.exe 5372 powershell.exe 3372 powershell.exe 6044 powershell.exe 3756 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 6080 schtasks.exe 4192 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\@tzres.dll,-105 = "Central Brazilian 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" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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\Root\Certificates 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,-1721 = "Libya Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5372 powershell.exe 5372 powershell.exe 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 3372 powershell.exe 3372 powershell.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 6044 powershell.exe 6044 powershell.exe 3756 powershell.exe 3756 powershell.exe 3756 powershell.exe 732 powershell.exe 732 powershell.exe 732 powershell.exe 1748 powershell.exe 1748 powershell.exe 4812 powershell.exe 4812 powershell.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 5792 csrss.exe 5792 csrss.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 5792 csrss.exe 5792 csrss.exe 1440 injector.exe 1440 injector.exe 5792 csrss.exe 5792 csrss.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe 1440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5372 powershell.exe Token: SeDebugPrivilege 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Token: SeImpersonatePrivilege 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 6044 powershell.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 732 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeSystemEnvironmentPrivilege 5792 csrss.exe Token: SeSecurityPrivilege 5276 sc.exe Token: SeSecurityPrivilege 5276 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2232 wrote to memory of 5372 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 83 PID 2232 wrote to memory of 5372 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 83 PID 2232 wrote to memory of 5372 2232 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 83 PID 4672 wrote to memory of 3372 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 95 PID 4672 wrote to memory of 3372 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 95 PID 4672 wrote to memory of 3372 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 95 PID 4672 wrote to memory of 5212 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 97 PID 4672 wrote to memory of 5212 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 97 PID 5212 wrote to memory of 4332 5212 cmd.exe 99 PID 5212 wrote to memory of 4332 5212 cmd.exe 99 PID 4672 wrote to memory of 6044 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 100 PID 4672 wrote to memory of 6044 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 100 PID 4672 wrote to memory of 6044 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 100 PID 4672 wrote to memory of 3756 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 104 PID 4672 wrote to memory of 3756 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 104 PID 4672 wrote to memory of 3756 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 104 PID 4672 wrote to memory of 5792 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 106 PID 4672 wrote to memory of 5792 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 106 PID 4672 wrote to memory of 5792 4672 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 106 PID 5792 wrote to memory of 732 5792 csrss.exe 107 PID 5792 wrote to memory of 732 5792 csrss.exe 107 PID 5792 wrote to memory of 732 5792 csrss.exe 107 PID 5792 wrote to memory of 1748 5792 csrss.exe 113 PID 5792 wrote to memory of 1748 5792 csrss.exe 113 PID 5792 wrote to memory of 1748 5792 csrss.exe 113 PID 5792 wrote to memory of 4812 5792 csrss.exe 115 PID 5792 wrote to memory of 4812 5792 csrss.exe 115 PID 5792 wrote to memory of 4812 5792 csrss.exe 115 PID 5792 wrote to memory of 1440 5792 csrss.exe 117 PID 5792 wrote to memory of 1440 5792 csrss.exe 117 PID 3204 wrote to memory of 1608 3204 windefender.exe 123 PID 3204 wrote to memory of 1608 3204 windefender.exe 123 PID 3204 wrote to memory of 1608 3204 windefender.exe 123 PID 1608 wrote to memory of 5276 1608 cmd.exe 124 PID 1608 wrote to memory of 5276 1608 cmd.exe 124 PID 1608 wrote to memory of 5276 1608 cmd.exe 124 -
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\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5372
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C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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:4672 -
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:3372
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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:5212 -
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:4332
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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:6044
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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:3756
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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:5792 -
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:732
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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:6080
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3776
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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:1748
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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:4812
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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:1440
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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:4192
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3204 -
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:1608 -
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:5276
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2956
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
MD511c4db6bb4560c1e54700093290a6e99
SHA18d36c79dc4af386548ab1d6fc8c29e0c58f24f87
SHA256af720cd100fe454f6003394de52b6cd3437f3ea8cbab4a7487b514a41492e564
SHA5125a0a0df4d7a690ba131ab4a72e4f1d8d26597a3e7d988bc8caf9f3e30a20350f8e60c99b0cd0fe499bd1e7d92299a9afe359183610de8c06750ae4fe9784be3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5268d0e964f60ba89d4ad55c65f9b67d3
SHA1b63c9ea9f645e6b7654d6d52f2690907c6b8f5ab
SHA25636b3975cc6f6aab12e9cf04b9ee2cb527aee3921373c1db21587e5f02c9d1330
SHA5124d16d8500e73b841fe9d3190ba9d229b374e9deef73f8ee1b7d6e7074135ac1457ec41a93d7ec1fbd69e6bf531ba2a672efdc613551760ecb714891597e52961
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599c81cc13532e8c80b794d52bbce82c7
SHA1fedf7bce8108a0c1beb84a310028aba6fdb2985d
SHA25607587e85642bb0609c8e8a75b84950beeb8138c292c6b5d283331341c9bf1012
SHA512474b594d8c8e638edb89fa882270cfa5a52fbe9a87e5a4a4f1fd3905f6413422c6871bdfa6bccc97ca3cba6c997342f6f03d99350aaa65726d8f3ca0469806c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529080155f4c6234c8354a0c9e10a1521
SHA1e105b199798358fb41d2552ef835de7d1e0ab6eb
SHA25621d3a8cc1de383b713aa0221d4b75cc0d1ff4695b38d061463d69092e01a52bc
SHA5129c7366b268f8dd86fac1274c92f0c23db255089123cebcbf998e1508049ccb01c6f658ca242fc30b93c209c74955db55e7b66d75dfde3d5e0fb393eb2756a04e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57702285eeafedba6d116f1783e190c77
SHA15d8e2594aaa9b9db12ee92ae1de2aede9a4348d5
SHA2561567a152d1796395e016bc1746b93851e8cb4500249dca2900452a42853866fe
SHA5122f3f5181415489d78aaf5836a706fdf4b76ac8158939094911810fe713afb357186fcb6207e0c17664669285118feab5f8f36af44c2a8e33feed8869f0216cff
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Filesize
4.1MB
MD52ae6c434ef982ebc70752959117aa7e2
SHA10b5e147250ad4f99de1ec563137a6c283e317fc7
SHA256381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01
SHA512db12c78f9153da3bdb3114605ee067b906115af915634d4d53119ff97362454751dbcc058fc24dcb36e108bf80ad530e950114fe2b3e1f58af975b324c88421b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec