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Analysis
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max time kernel
131s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/05/2024, 16:47
Static task
static1
Behavioral task
behavioral1
Sample
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe
Resource
win10v2004-20240508-en
General
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Target
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe
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Size
4.1MB
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MD5
3efc11c7247d7d28402eb274dab66f3e
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SHA1
4bb62d79a228903328d194f46bdfa867fb971810
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SHA256
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268
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SHA512
e024946a2afb71f20a08184786848f75cc6e60ef15ed4889102dfd43c151dfeae99004c3f111d99f9f183f74422b1ef937222984ddb1580df7cbdf58486bf2c5
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP2:gX++d2b0aMbplZO0sFfS2
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1624-2-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/1624-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4900-120-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1624-133-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1624-136-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/1624-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4632-200-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-213-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4632-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3492 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4632 csrss.exe 1768 injector.exe 4712 windefender.exe 3416 windefender.exe -
resource yara_rule behavioral2/memory/4712-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa05-204.dat upx behavioral2/memory/4712-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3416-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3416-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3416-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe File created C:\Windows\rss\csrss.exe 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe File created 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 496 sc.exe -
pid Process 2252 powershell.exe 4252 powershell.exe 4924 powershell.exe 712 powershell.exe 4504 powershell.exe 1168 powershell.exe 3384 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 4120 schtasks.exe 4672 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,-621 = "Korea Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 712 powershell.exe 712 powershell.exe 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4504 powershell.exe 4504 powershell.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 1168 powershell.exe 1168 powershell.exe 3384 powershell.exe 3384 powershell.exe 2252 powershell.exe 2252 powershell.exe 4252 powershell.exe 4252 powershell.exe 4924 powershell.exe 4924 powershell.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4632 csrss.exe 4632 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4632 csrss.exe 4632 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4632 csrss.exe 4632 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 712 powershell.exe Token: SeDebugPrivilege 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Token: SeImpersonatePrivilege 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeSystemEnvironmentPrivilege 4632 csrss.exe Token: SeSecurityPrivilege 496 sc.exe Token: SeSecurityPrivilege 496 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1624 wrote to memory of 712 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 81 PID 1624 wrote to memory of 712 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 81 PID 1624 wrote to memory of 712 1624 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 81 PID 4900 wrote to memory of 4504 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 87 PID 4900 wrote to memory of 4504 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 87 PID 4900 wrote to memory of 4504 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 87 PID 4900 wrote to memory of 876 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 89 PID 4900 wrote to memory of 876 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 89 PID 876 wrote to memory of 3492 876 cmd.exe 91 PID 876 wrote to memory of 3492 876 cmd.exe 91 PID 4900 wrote to memory of 1168 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 92 PID 4900 wrote to memory of 1168 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 92 PID 4900 wrote to memory of 1168 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 92 PID 4900 wrote to memory of 3384 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 4900 wrote to memory of 3384 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 4900 wrote to memory of 3384 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 4900 wrote to memory of 4632 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 96 PID 4900 wrote to memory of 4632 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 96 PID 4900 wrote to memory of 4632 4900 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 96 PID 4632 wrote to memory of 2252 4632 csrss.exe 97 PID 4632 wrote to memory of 2252 4632 csrss.exe 97 PID 4632 wrote to memory of 2252 4632 csrss.exe 97 PID 4632 wrote to memory of 4252 4632 csrss.exe 103 PID 4632 wrote to memory of 4252 4632 csrss.exe 103 PID 4632 wrote to memory of 4252 4632 csrss.exe 103 PID 4632 wrote to memory of 4924 4632 csrss.exe 105 PID 4632 wrote to memory of 4924 4632 csrss.exe 105 PID 4632 wrote to memory of 4924 4632 csrss.exe 105 PID 4632 wrote to memory of 1768 4632 csrss.exe 107 PID 4632 wrote to memory of 1768 4632 csrss.exe 107 PID 4712 wrote to memory of 3136 4712 windefender.exe 113 PID 4712 wrote to memory of 3136 4712 windefender.exe 113 PID 4712 wrote to memory of 3136 4712 windefender.exe 113 PID 3136 wrote to memory of 496 3136 cmd.exe 114 PID 3136 wrote to memory of 496 3136 cmd.exe 114 PID 3136 wrote to memory of 496 3136 cmd.exe 114 -
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\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:712
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C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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:4900 -
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:4504
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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:876 -
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:3492
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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:1168
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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:3384
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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:4632 -
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:2252
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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:4120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3820
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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:4252
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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:4924
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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:1768
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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:4672
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4712 -
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:3136 -
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:496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3416
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e16ddb39ab163938b60240f6b5a3e2a
SHA1310c2aac01cf48ce349b145ac6d6ea82497d14bd
SHA256d1de5c6c48ac0ae5dc66d01cad2f9807e8078b6a4854f6130f162d39ec1ff25c
SHA51200669b53e994e313323d4427c6b88afade5601de7efc5f579ac3fc61d1aad3d28ee7056392799a387371bfe4cec59d51706bb7975142d7e8b6191657991dbf10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f2bf71a140418e1318e4e10076726ef
SHA1cc72f07d7badad10e699368143cc8be1a3017016
SHA25609cbbcf25c96a0eb7e95952538b80c7482c5a7f0841e9c94145de5303c6979e1
SHA5125d67e13ebfbde72ab11e56e48e5dc0bc717d74c08ca6642d816aa226f95e28519d6c81f016e25b41e258f4ffb98d20cb63dd625438a5f9ff5b71a5b2d5c8870b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f27952f7bf41cc5355e0579c9d56287
SHA1fd5a7b847f4b069a0c08ad8ddfd7e7e04d16ecb9
SHA256039f55715929d4b0269bd9f66bf2c1aec902346e1cd0c88d0f315d0c5e82514b
SHA51273b13f7e9cdbb802dcdaddb65e821c3b1547853524218f64d50c807c17f9ff0b02ea739bde6eca8383d6342743603b81d4d0b92e9ca4f58d1fded319d17c629a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52123b0cfe0ba6a302c31c4b7a08da358
SHA1912b53323871f5ba60c732beabeb5128a1746bb4
SHA256ebae5761d4c6776345e1e7b0e4da111460dfa2654f2ca9eb30792ca0e4ea75a0
SHA512b611df2da770d7962e49787dce50070faf38331a41d6c03736af2a4a4b2349cba4aa35af4218b82b87d6af5da67cf21dc8aa71d12ef5ec71dc990478745f4c1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5063cc82fdb43c9872f7fccb866efa44e
SHA1d9c9e0180280cd005a48b3c1cb3a3873601167c5
SHA256601b5622307e988575e1f0c68c53c21e372fff31401ab533de261db6727103a1
SHA512fa5497d20b86530575d1f2dde1374950e03e3c6849557cabc91e12de613ca31d485fea38f4209579be8758312782d150f53b4a0001394562e94afe086e264d46
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Filesize
4.1MB
MD53efc11c7247d7d28402eb274dab66f3e
SHA14bb62d79a228903328d194f46bdfa867fb971810
SHA25631218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268
SHA512e024946a2afb71f20a08184786848f75cc6e60ef15ed4889102dfd43c151dfeae99004c3f111d99f9f183f74422b1ef937222984ddb1580df7cbdf58486bf2c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec