Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/05/2024, 13:24
Static task
static1
Behavioral task
behavioral1
Sample
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe
Resource
win10v2004-20240508-en
General
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Target
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe
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Size
4.1MB
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MD5
11a75565d54181de828a5a35dbec63a5
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SHA1
c9c764a2fa80e4c1432a8dd84d2f5a73ef4a7603
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SHA256
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba
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SHA512
600dce4f7aab07981c82eaa61849ae993c580d7f843263162932eb6ac464a35a0292ad9c50fac8bfe7e024854b0b126f35f56e7ddd96aa6632dd049e6af0cb8b
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SSDEEP
98304:8QJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FJ:Xb8hTmbBIxHPR3rn3oKJ
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/5032-2-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/5032-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5032-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5032-55-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/5032-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5032-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4212-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3872-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3872 csrss.exe 1780 injector.exe 3740 windefender.exe 3032 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa28-208.dat upx behavioral2/memory/3740-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3032-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3740-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3032-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3032-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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\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 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 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe File created C:\Windows\rss\csrss.exe 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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 4548 sc.exe -
pid Process 388 powershell.exe 2740 powershell.exe 4704 powershell.exe 1240 powershell.exe 4200 powershell.exe 3460 powershell.exe 4656 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4324 5032 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2924 schtasks.exe 4012 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,-2162 = "Altai Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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,-1971 = "Belarus Daylight 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" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight 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,-292 = "Central European Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-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,-572 = "China Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1240 powershell.exe 1240 powershell.exe 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4200 powershell.exe 4200 powershell.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3460 powershell.exe 3460 powershell.exe 4656 powershell.exe 4656 powershell.exe 388 powershell.exe 388 powershell.exe 2740 powershell.exe 2740 powershell.exe 4704 powershell.exe 4704 powershell.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 3872 csrss.exe 3872 csrss.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 3872 csrss.exe 3872 csrss.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 3872 csrss.exe 3872 csrss.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe 1780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Token: SeImpersonatePrivilege 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeSystemEnvironmentPrivilege 3872 csrss.exe Token: SeSecurityPrivilege 4548 sc.exe Token: SeSecurityPrivilege 4548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5032 wrote to memory of 1240 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 83 PID 5032 wrote to memory of 1240 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 83 PID 5032 wrote to memory of 1240 5032 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 83 PID 4212 wrote to memory of 4200 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 91 PID 4212 wrote to memory of 4200 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 91 PID 4212 wrote to memory of 4200 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 91 PID 4212 wrote to memory of 4144 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 93 PID 4212 wrote to memory of 4144 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 93 PID 4144 wrote to memory of 2408 4144 cmd.exe 95 PID 4144 wrote to memory of 2408 4144 cmd.exe 95 PID 4212 wrote to memory of 3460 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 96 PID 4212 wrote to memory of 3460 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 96 PID 4212 wrote to memory of 3460 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 96 PID 4212 wrote to memory of 4656 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 4212 wrote to memory of 4656 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 4212 wrote to memory of 4656 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 4212 wrote to memory of 3872 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 100 PID 4212 wrote to memory of 3872 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 100 PID 4212 wrote to memory of 3872 4212 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 100 PID 3872 wrote to memory of 388 3872 csrss.exe 101 PID 3872 wrote to memory of 388 3872 csrss.exe 101 PID 3872 wrote to memory of 388 3872 csrss.exe 101 PID 3872 wrote to memory of 2740 3872 csrss.exe 106 PID 3872 wrote to memory of 2740 3872 csrss.exe 106 PID 3872 wrote to memory of 2740 3872 csrss.exe 106 PID 3872 wrote to memory of 4704 3872 csrss.exe 109 PID 3872 wrote to memory of 4704 3872 csrss.exe 109 PID 3872 wrote to memory of 4704 3872 csrss.exe 109 PID 3872 wrote to memory of 1780 3872 csrss.exe 111 PID 3872 wrote to memory of 1780 3872 csrss.exe 111 PID 3740 wrote to memory of 4944 3740 windefender.exe 117 PID 3740 wrote to memory of 4944 3740 windefender.exe 117 PID 3740 wrote to memory of 4944 3740 windefender.exe 117 PID 4944 wrote to memory of 4548 4944 cmd.exe 118 PID 4944 wrote to memory of 4548 4944 cmd.exe 118 PID 4944 wrote to memory of 4548 4944 cmd.exe 118 -
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\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240
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C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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:4212 -
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:4200
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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:4144 -
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:2408
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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:3460
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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:4656
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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:3872 -
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:388
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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:2924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4728
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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:2740
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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:4704
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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:1780
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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:4012
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3740 -
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:4944 -
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:4548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 7682⤵
- Program crash
PID:4324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5032 -ip 50321⤵PID:3580
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3032
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f256a2ac5fa4b1376518bab3602a454e
SHA186db45bfa66086305794bf4dbe3a5c1f45ac904c
SHA25666488e5977bd3adbdaf9180384dcafdb0cec34cf7d667fe984b1cf42c38591c4
SHA51266dd7abaa2dedbd369b42dbfd076eea561395be5158ce2a6644833b40f2d278f217047f8e9bf60a8dbf9cf46eb968560dbeb70170b33de7938f94b8a0231cd1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a2be7fbc5e712a143b031f71e7ddfc2
SHA16b4a30bddd8e38d3a27d6bf08153cd67ae0480b5
SHA256557a6224b3957a444fddbeeda101753c97c0c1bb2c22875fde1579cfeaf9abf8
SHA512666cd1143e2dae953cbcc295726769d19574962a6d2822ab4530c72df78178d725774049750a4f39fbec03e001e969e360c40d8bd8832c8f295da3af40a94186
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508b7acd3e4bd7b61cc38c6708f6e885a
SHA1ca115b53a047646df4441b7016475515cf47fe75
SHA2560ba701b4958eed625703132861f3278d20a36d52e94484ce665cd7d59e68e0a4
SHA512f6ea0038f4b82daa76fb2df4cbaa8e3255933dca194274911ce8bcf542b4832e86381f00e4048998f14f21c6e3bdaa2c22814afabc4b82b118739333264849a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599b9d87589ca6eb84de38d5ae97d0b91
SHA12299de75632d6f4b32e5ba0c5cbc3e371a7b21d3
SHA256a0eca394c227b2493e88491cfba98656df2088ce4b336088fe20fc3e4aa0f3d2
SHA512916d1fb479f26f9f49cedc7d7dc98621748fc367efe3180b002f4a71b64ad2eec0acfe2c3182ab9ea98136183da576a2ca76c8a237640f4cb17b62d8ad1724f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c882b425b0960e76e1c91ecca9383d16
SHA1b1bf2bf12324a3b110515bb3d3cbcf0d1807a940
SHA256e03aa13f7dd8eaba8862e2245a820e679aa84dd6f0617abd8180c964d7d3a0e0
SHA51270f1c49c92258766ab58e4eeefab45aa093d95356450ebcba52f43ae19c7b8b81fa1be43befe01950f245f8e1571407c6745fec5504b8a1a0c97ed48c4fe33af
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Filesize
4.1MB
MD511a75565d54181de828a5a35dbec63a5
SHA1c9c764a2fa80e4c1432a8dd84d2f5a73ef4a7603
SHA2564bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba
SHA512600dce4f7aab07981c82eaa61849ae993c580d7f843263162932eb6ac464a35a0292ad9c50fac8bfe7e024854b0b126f35f56e7ddd96aa6632dd049e6af0cb8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec