Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe
Resource
win10v2004-20240412-en
General
-
Target
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe
-
Size
4.2MB
-
MD5
c3ef1155fd5f029ec180444ad56ee9cd
-
SHA1
dd63227bd963fe3879048e3212ff7044d98f7ba4
-
SHA256
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8
-
SHA512
b5634ebd569d86e28ccb0c3d4d6aec2d230fb840de360deeac9bc083b9ec871750e125222b189f19c93135ea59aec0e0e375d19daa844ed1b1844b8ead9478f9
-
SSDEEP
98304:500QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGQ:7pJcNpX++PyaASVpB6kl
Malware Config
Signatures
-
Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3928-2-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral2/memory/3928-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3928-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3928-54-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral2/memory/3388-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3388-136-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3388-143-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1788-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1740 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1788 csrss.exe 2480 injector.exe 3112 windefender.exe 1216 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa23-248.dat upx behavioral2/memory/3112-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1216-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1216-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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.
-
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 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe File created C:\Windows\rss\csrss.exe 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.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 236 sc.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 1796 schtasks.exe 572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.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\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4344 powershell.exe 4344 powershell.exe 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 2060 powershell.exe 2060 powershell.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 2116 powershell.exe 2116 powershell.exe 3452 powershell.exe 3452 powershell.exe 4216 powershell.exe 4216 powershell.exe 3916 powershell.exe 3916 powershell.exe 4916 powershell.exe 4916 powershell.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 1788 csrss.exe 1788 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 1788 csrss.exe 1788 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 1788 csrss.exe 1788 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Token: SeImpersonatePrivilege 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeSystemEnvironmentPrivilege 1788 csrss.exe Token: SeSecurityPrivilege 236 sc.exe Token: SeSecurityPrivilege 236 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3928 wrote to memory of 4344 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 81 PID 3928 wrote to memory of 4344 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 81 PID 3928 wrote to memory of 4344 3928 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 81 PID 3388 wrote to memory of 2060 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 86 PID 3388 wrote to memory of 2060 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 86 PID 3388 wrote to memory of 2060 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 86 PID 3388 wrote to memory of 580 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 88 PID 3388 wrote to memory of 580 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 88 PID 580 wrote to memory of 1740 580 cmd.exe 90 PID 580 wrote to memory of 1740 580 cmd.exe 90 PID 3388 wrote to memory of 2116 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 91 PID 3388 wrote to memory of 2116 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 91 PID 3388 wrote to memory of 2116 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 91 PID 3388 wrote to memory of 3452 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 93 PID 3388 wrote to memory of 3452 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 93 PID 3388 wrote to memory of 3452 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 93 PID 3388 wrote to memory of 1788 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 95 PID 3388 wrote to memory of 1788 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 95 PID 3388 wrote to memory of 1788 3388 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 95 PID 1788 wrote to memory of 4216 1788 csrss.exe 96 PID 1788 wrote to memory of 4216 1788 csrss.exe 96 PID 1788 wrote to memory of 4216 1788 csrss.exe 96 PID 1788 wrote to memory of 3916 1788 csrss.exe 101 PID 1788 wrote to memory of 3916 1788 csrss.exe 101 PID 1788 wrote to memory of 3916 1788 csrss.exe 101 PID 1788 wrote to memory of 4916 1788 csrss.exe 104 PID 1788 wrote to memory of 4916 1788 csrss.exe 104 PID 1788 wrote to memory of 4916 1788 csrss.exe 104 PID 1788 wrote to memory of 2480 1788 csrss.exe 106 PID 1788 wrote to memory of 2480 1788 csrss.exe 106 PID 3112 wrote to memory of 2104 3112 windefender.exe 112 PID 3112 wrote to memory of 2104 3112 windefender.exe 112 PID 3112 wrote to memory of 2104 3112 windefender.exe 112 PID 2104 wrote to memory of 236 2104 cmd.exe 113 PID 2104 wrote to memory of 236 2104 cmd.exe 113 PID 2104 wrote to memory of 236 2104 cmd.exe 113 -
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
-
C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344
-
-
C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.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:3388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
-
-
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:580 -
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:1740
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
-
-
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:1788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:572
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2580
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3916
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4916
-
-
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:2480
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1796
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3112 -
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:2104 -
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:236
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1216
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55dee71cef707ff34d89b6b3b5efddabf
SHA190ac6c53e4c9e4f0c6921afbd6342aa669d6a501
SHA2569d5c6f3dcc017faeb146f1be372bd398c2c7cfb9e9012666960fbe8d8ba770fb
SHA512ff0f22fa3b505967df11d8f55b9ef0ab26cc94b23672b4a4b0205118dae23bb63ccac2159892a63818db88ecf265bcb3284f222a194bc09ce8c6521635c59d04
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552331a8d45ee09a7fd1e36d957487e1c
SHA1f6f6f84d4a0d351d6ab055b292d00f9649a2faa9
SHA25661fc3866975cde0712a8e8339cd8a4a6622d9ba7f1643feea2bd8a5cc7c26c1d
SHA51225b2b470c3be990ad5282cebc471befe995325b20e4bab2e6e1e96fd5809f2cadb6f352c91a6294d5a744db71090dfb1ab0d401b34ce27ebe6661291a0838d27
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56956c7281031e71e36772dda807d5280
SHA161bf1fe00a8c7ab0b738a556b8dab6d191c3f7bd
SHA256e84e4a44f83f2102e65a76472decc310cdb16fe269927531c4c830cea4ae8090
SHA512a054f9bc6dad91e9036e78742d64ddab0fb3bb4faa85b9c479950dd55c6f1c043f8056098e85a0f125d9b2a6b8240e23062706c8c0ed16b4189cba8f33c75a8f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD513ae38d6f7b58a633062f3f72eb92609
SHA10dd9a7dbc82f941b837a8b67896b1648c8785bc6
SHA256e3992ec492af88ef801c61c79c824645866ab3e4fc638db1886da4f444c253fe
SHA5125af29979a5144b2641a7614952d45ef376165c2bb0a383ea844d0b112c817743e3d124655cfa193edc1824ead229ea8481cc1266d5ea27984a14a62c1daea222
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e45b3d361ff248033fc5221a208902fc
SHA1ffe700a6a791ec54471b8c267863f6f0f526fa7f
SHA25671f21674861c58b06a5d3939c22e54fc1f942f3aaa3939d97b6c13e8659f4a8a
SHA5126b03235386edc7bc545b690cd25278f2ae2699d020d6cb31bd8fdb7db2c80bde3e5c08cec93db6d4539a511e117d4f8b765dfc891f0456edb573a203c9cff4cb
-
Filesize
4.2MB
MD5c3ef1155fd5f029ec180444ad56ee9cd
SHA1dd63227bd963fe3879048e3212ff7044d98f7ba4
SHA2562b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8
SHA512b5634ebd569d86e28ccb0c3d4d6aec2d230fb840de360deeac9bc083b9ec871750e125222b189f19c93135ea59aec0e0e375d19daa844ed1b1844b8ead9478f9
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec