Analysis
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max time kernel
149s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe
Resource
win10v2004-20240508-en
General
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Target
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe
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Size
4.1MB
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MD5
8138c6f377a0a3169c6ccd074b5c8f86
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SHA1
d29f58c813da21c931fc6fa432414221127884f6
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SHA256
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a
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SHA512
3547d7f938839c8e0bf7aa2166d5db000b0cd4d1c40393420ed054173729a8386601174760bc39684c4522f9978fc2b58eae2ac25c018d8eb49dda941c627b9d
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntJ:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nP
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2528-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/2528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-53-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1836-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1068-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1068 csrss.exe 4756 injector.exe 1004 windefender.exe 3980 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ad-207.dat upx behavioral2/memory/1004-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3980-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1004-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3980-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3980-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe File created C:\Windows\rss\csrss.exe ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4308 sc.exe -
pid Process 4964 powershell.exe 3220 powershell.exe 3124 powershell.exe 3884 powershell.exe 1624 powershell.exe 4092 powershell.exe 3152 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 1888 schtasks.exe 3116 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,-2001 = "Cabo Verde Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3152 powershell.exe 3152 powershell.exe 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 4964 powershell.exe 4964 powershell.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3220 powershell.exe 3220 powershell.exe 3124 powershell.exe 3124 powershell.exe 3884 powershell.exe 3884 powershell.exe 1624 powershell.exe 1624 powershell.exe 4092 powershell.exe 4092 powershell.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 1068 csrss.exe 1068 csrss.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 1068 csrss.exe 1068 csrss.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 1068 csrss.exe 1068 csrss.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Token: SeImpersonatePrivilege 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeSystemEnvironmentPrivilege 1068 csrss.exe Token: SeSecurityPrivilege 4308 sc.exe Token: SeSecurityPrivilege 4308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2528 wrote to memory of 3152 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 78 PID 2528 wrote to memory of 3152 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 78 PID 2528 wrote to memory of 3152 2528 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 78 PID 1836 wrote to memory of 4964 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 83 PID 1836 wrote to memory of 4964 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 83 PID 1836 wrote to memory of 4964 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 83 PID 1836 wrote to memory of 1188 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 85 PID 1836 wrote to memory of 1188 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 85 PID 1188 wrote to memory of 3768 1188 cmd.exe 87 PID 1188 wrote to memory of 3768 1188 cmd.exe 87 PID 1836 wrote to memory of 3220 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 88 PID 1836 wrote to memory of 3220 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 88 PID 1836 wrote to memory of 3220 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 88 PID 1836 wrote to memory of 3124 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 90 PID 1836 wrote to memory of 3124 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 90 PID 1836 wrote to memory of 3124 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 90 PID 1836 wrote to memory of 1068 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 92 PID 1836 wrote to memory of 1068 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 92 PID 1836 wrote to memory of 1068 1836 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 92 PID 1068 wrote to memory of 3884 1068 csrss.exe 93 PID 1068 wrote to memory of 3884 1068 csrss.exe 93 PID 1068 wrote to memory of 3884 1068 csrss.exe 93 PID 1068 wrote to memory of 1624 1068 csrss.exe 99 PID 1068 wrote to memory of 1624 1068 csrss.exe 99 PID 1068 wrote to memory of 1624 1068 csrss.exe 99 PID 1068 wrote to memory of 4092 1068 csrss.exe 101 PID 1068 wrote to memory of 4092 1068 csrss.exe 101 PID 1068 wrote to memory of 4092 1068 csrss.exe 101 PID 1068 wrote to memory of 4756 1068 csrss.exe 103 PID 1068 wrote to memory of 4756 1068 csrss.exe 103 PID 1004 wrote to memory of 952 1004 windefender.exe 109 PID 1004 wrote to memory of 952 1004 windefender.exe 109 PID 1004 wrote to memory of 952 1004 windefender.exe 109 PID 952 wrote to memory of 4308 952 cmd.exe 110 PID 952 wrote to memory of 4308 952 cmd.exe 110 PID 952 wrote to memory of 4308 952 cmd.exe 110 -
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\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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:1836 -
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:4964
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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:1188 -
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:3768
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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:3220
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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:3124
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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:1068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3884
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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:1888
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:408
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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:1624
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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:4092
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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:4756
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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:3116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1004 -
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:952 -
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:4308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3980
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
MD558a72bbaf4ea79a35a2ca9ca2ee1f645
SHA1a36f4636d0b157c71b328c53bbc4e4270d27cca7
SHA2569ef1b315533c919a284e8e4f9489ae9e38c2de76100bc0dd0edf3a96fd7ad9d1
SHA51200388ed4bbaee37b5dc9ada16e3f306600e7b6ddfdd6b9bf254defe8dfbfd799b9fe1c41a1c3167c58f3158cfc8fb34db350788cc9a4694fcb8cf0602deaeabb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c390da4537fe675d1c75548f7803143
SHA12f1ab7f62c89a89bb9e7cb35de394c8efecd4467
SHA256dc7904a9515b7bc6d5b7bc7e89bdaacb181ce861e6b269fbf1d28e707e4f582e
SHA5129cd0e0b9d0151b0fb48a5c9ab1fc4dafdb79e18d0764cbebd462ff4bbb361e7f2c0dee04c90bcb05ec4362494956f1c14c106ef1f00fa2d614e1600f71dddfad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3f45fb6c3789586d228200def536555
SHA1633fa756529befdcd431e2fd1a8772db69cb5ff5
SHA25645f5e1c2b72e4073855c7c73972a6b545816baa831f16c18c6d8aac6bace0fba
SHA51259445e0fda0b32e2ec140946bc11dfb642beb95d256e0e82fcdadbff2fb11b2e7f374fca28b68b081666b018463482e331172273629c494324420a941bed359c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcfa4fd1673a5c8a7182cd095fdd2b8d
SHA1aa0770d853dadf19785ff8921513544f9a556681
SHA256382577a923da339ff19b0f9fb3b56d2caf31ed8d20717e0cb3678b0352b2fde4
SHA51253147f589f41faf4790feae083ee848d80f48702b8f35c0021a755951af97ef3dbff4af1aefeb502011211b4d6bf0cba2425c2306c8cd8adc22b3e8931517102
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56787ed69725d8bfc4f640dfc736af6df
SHA14da45c9670246f6c530c3e6c13fc23ab19ebf2c7
SHA256ca6ca14928ffe9515176f287e6830704500ac41cb652ff1d87b16b769c960841
SHA51247fd41e6bfc3d0bdd3862b78150f2e8c896b006a60a32e2c93e998e1b0a0948e56d51d9b534cd002c7f479110a46c14b7987041358362c60f1d44efe35822849
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Filesize
4.1MB
MD58138c6f377a0a3169c6ccd074b5c8f86
SHA1d29f58c813da21c931fc6fa432414221127884f6
SHA256ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a
SHA5123547d7f938839c8e0bf7aa2166d5db000b0cd4d1c40393420ed054173729a8386601174760bc39684c4522f9978fc2b58eae2ac25c018d8eb49dda941c627b9d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec