Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe
Resource
win10v2004-20240426-en
General
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Target
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe
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Size
4.1MB
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MD5
04505522e025cf61e4592405690c9068
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SHA1
73c4ab3f6e69fdfafe9e42a60aba8225160b9e44
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SHA256
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad
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SHA512
162a90dc5ac145913616e4690d4278229067c8b81e0ab5c6e1f4cb92d38a005798ac9b95c51de0873998ef9f44a7c1d0ef52ee8c904537d743ee85cd06f15162
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SSDEEP
98304:3pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCm:5LlNLHtGNcOLFp5JFwlsCm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3580-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3580-2-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/3580-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3580-60-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/1424-74-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3580-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1424-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-170-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-200-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-211-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-217-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-223-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-226-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1060-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3524 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1060 csrss.exe 2352 injector.exe 2220 windefender.exe 3632 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e3-203.dat upx behavioral2/memory/2220-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3632-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2220-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3632-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3632-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe File created C:\Windows\rss\csrss.exe e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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 896 sc.exe -
pid Process 5028 powershell.exe 3544 powershell.exe 4380 powershell.exe 2736 powershell.exe 2180 powershell.exe 1388 powershell.exe 1924 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 4508 schtasks.exe 4756 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" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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,-402 = "Arabic Standard Time" windefender.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\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard 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,-411 = "E. Africa Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-2452 = "Saint Pierre Standard Time" windefender.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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji 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" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4380 powershell.exe 4380 powershell.exe 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 2736 powershell.exe 2736 powershell.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 2180 powershell.exe 2180 powershell.exe 1388 powershell.exe 1388 powershell.exe 1924 powershell.exe 1924 powershell.exe 5028 powershell.exe 5028 powershell.exe 3544 powershell.exe 3544 powershell.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 1060 csrss.exe 1060 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 1060 csrss.exe 1060 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 1060 csrss.exe 1060 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Token: SeImpersonatePrivilege 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeSystemEnvironmentPrivilege 1060 csrss.exe Token: SeSecurityPrivilege 896 sc.exe Token: SeSecurityPrivilege 896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3580 wrote to memory of 4380 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 79 PID 3580 wrote to memory of 4380 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 79 PID 3580 wrote to memory of 4380 3580 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 79 PID 1424 wrote to memory of 2736 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 84 PID 1424 wrote to memory of 2736 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 84 PID 1424 wrote to memory of 2736 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 84 PID 1424 wrote to memory of 4576 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 86 PID 1424 wrote to memory of 4576 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 86 PID 4576 wrote to memory of 3524 4576 cmd.exe 88 PID 4576 wrote to memory of 3524 4576 cmd.exe 88 PID 1424 wrote to memory of 2180 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 89 PID 1424 wrote to memory of 2180 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 89 PID 1424 wrote to memory of 2180 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 89 PID 1424 wrote to memory of 1388 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 91 PID 1424 wrote to memory of 1388 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 91 PID 1424 wrote to memory of 1388 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 91 PID 1424 wrote to memory of 1060 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 1424 wrote to memory of 1060 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 1424 wrote to memory of 1060 1424 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 1060 wrote to memory of 1924 1060 csrss.exe 94 PID 1060 wrote to memory of 1924 1060 csrss.exe 94 PID 1060 wrote to memory of 1924 1060 csrss.exe 94 PID 1060 wrote to memory of 5028 1060 csrss.exe 98 PID 1060 wrote to memory of 5028 1060 csrss.exe 98 PID 1060 wrote to memory of 5028 1060 csrss.exe 98 PID 1060 wrote to memory of 3544 1060 csrss.exe 102 PID 1060 wrote to memory of 3544 1060 csrss.exe 102 PID 1060 wrote to memory of 3544 1060 csrss.exe 102 PID 1060 wrote to memory of 2352 1060 csrss.exe 104 PID 1060 wrote to memory of 2352 1060 csrss.exe 104 PID 2220 wrote to memory of 3060 2220 windefender.exe 110 PID 2220 wrote to memory of 3060 2220 windefender.exe 110 PID 2220 wrote to memory of 3060 2220 windefender.exe 110 PID 3060 wrote to memory of 896 3060 cmd.exe 111 PID 3060 wrote to memory of 896 3060 cmd.exe 111 PID 3060 wrote to memory of 896 3060 cmd.exe 111 -
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\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4380
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C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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:1424 -
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:2736
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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:4576 -
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:3524
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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:2180
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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:1388
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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:1060 -
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:1924
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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:4756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4244
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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:5028
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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:3544
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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:2352
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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:4508
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2220 -
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:3060 -
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:896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3632
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7d0810295a9530f840e58a293f3e984
SHA135d49e30f8c5b93712f2b45ac30c8a74728efcd4
SHA256485002987db5df2c8fbfd1d7a700b4fcc7f26e8ad4359c839556097bc50d1bd8
SHA51287ffb5a1fa7f256ef187ccd60a72f7d4fcc8e923364e7deb372b13132bda95a1eac4cb82b180cc12990c712f355fd81a0e28cdfe974acb159942de88fd7ff584
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f81e01d0586946cc17e9bae930dd055
SHA1cf357dc5f2cc70c3b4e13e5611aa2cdaabb27fd1
SHA256c5ae542f9abe357241766602699732b927675dd48d266459df4212e045f9307b
SHA512bc08c5583e5be1f226727e0b1f80fc07e971b52266f21496d974f9e01067385fd4f30135e879777ad6f7d9b05b085d04ba975cfa761b48d21d4058202370264e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d780cc7d5dc60af224a3abc82377abb0
SHA17eba684bb11b545942ee98b52d3f322ee1e1de9c
SHA25625550da16c08452e0847572f26883512ff386596ff188d0eb693f0c3dc319f27
SHA512041c08190896dade35b634052f9d338e0bfbd4ceb3ce46489fd0b5c84d2c9b783e2fdf5cf91b4f4a85a3ccb2c389fb8e241853daebf63b44fc16ee46e92d5574
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a62dfb41dcc6f9c9362f6e9a8a84efe
SHA197c8f13b461b7a4e51a6c7ab7bcf0ddc156fc99b
SHA256b5cfd7e7c9a877b7be70731a61570405a5405ecb9457bafbda350bef5bd15a8f
SHA51288a1542243f1c133189e924b87c1719cecb9ec1dc19a6438c7d49bdb5c3a2b9eff948c8891adf0e58c57abd21737da247fe537eae4176f5952c45f73a6eb83bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5975689e04be61faa9906de15e291d07f
SHA19897621c387f2de8b1e48e08b3a0a4587fecceb7
SHA256dcdf91793e906f720bf9b2d1bd4d95ea5b1ceb3fa167c595d0f57df1c17e13c8
SHA51208890f6c6a5866604eff3fc0d4a5e970feeb10fa221478904ff0bfd45dbfd233490cb3f16764fbe412530d09f7c65e7d55cbe2354c5d0766652603085e4c1baf
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Filesize
4.1MB
MD504505522e025cf61e4592405690c9068
SHA173c4ab3f6e69fdfafe9e42a60aba8225160b9e44
SHA256e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad
SHA512162a90dc5ac145913616e4690d4278229067c8b81e0ab5c6e1f4cb92d38a005798ac9b95c51de0873998ef9f44a7c1d0ef52ee8c904537d743ee85cd06f15162
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec