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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/04/2024, 21:36
Static task
static1
Behavioral task
behavioral1
Sample
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe
Resource
win10v2004-20231215-en
General
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Target
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe
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Size
4.1MB
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MD5
6e14d1db9ff992aee67deedb2ecd6c0a
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SHA1
45e97da453e466f6a3fc2e50cfdd267f4a3bc39c
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SHA256
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db
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SHA512
e3df7318d301c0041bbad97d516dc901ad29c044e32758771170c3c86f0d21a394a90b012610c78ea6e12e18ab040fc86185051e85770a386c4cc27684d8e3b8
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SSDEEP
98304:/ZTJtvrSQI+RdfgxNOWs+luvBV3Kjpf8MTPWtsil5h:hVJ5f9clKG+MTut9p
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3040-2-0x0000000005480000-0x0000000005D6B000-memory.dmp family_glupteba behavioral2/memory/3040-3-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/3040-42-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/3040-44-0x0000000005480000-0x0000000005D6B000-memory.dmp family_glupteba behavioral2/memory/3504-46-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral2/memory/3504-47-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/3504-109-0x0000000004C90000-0x000000000508A000-memory.dmp family_glupteba behavioral2/memory/3504-135-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/3504-142-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-218-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-238-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-247-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-249-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-251-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-253-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-255-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-257-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-259-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-261-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1096-263-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 904 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1096 csrss.exe 3400 injector.exe 3612 windefender.exe 3824 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a793-241.dat upx behavioral2/memory/3612-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3824-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3824-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe File created C:\Windows\rss\csrss.exe 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.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 2476 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2440 1008 WerFault.exe 78 4652 3040 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1172 schtasks.exe 3804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1008 powershell.exe 1008 powershell.exe 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 4580 powershell.exe 4580 powershell.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3360 powershell.exe 3360 powershell.exe 2404 powershell.exe 2404 powershell.exe 2800 powershell.exe 2800 powershell.exe 460 powershell.exe 460 powershell.exe 4520 powershell.exe 4520 powershell.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 1096 csrss.exe 1096 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 1096 csrss.exe 1096 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 1096 csrss.exe 1096 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1008 powershell.exe Token: SeDebugPrivilege 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Token: SeImpersonatePrivilege 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 460 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeSystemEnvironmentPrivilege 1096 csrss.exe Token: SeSecurityPrivilege 2476 sc.exe Token: SeSecurityPrivilege 2476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3040 wrote to memory of 1008 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 78 PID 3040 wrote to memory of 1008 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 78 PID 3040 wrote to memory of 1008 3040 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 78 PID 3504 wrote to memory of 4580 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 88 PID 3504 wrote to memory of 4580 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 88 PID 3504 wrote to memory of 4580 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 88 PID 3504 wrote to memory of 916 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 90 PID 3504 wrote to memory of 916 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 90 PID 916 wrote to memory of 904 916 cmd.exe 92 PID 916 wrote to memory of 904 916 cmd.exe 92 PID 3504 wrote to memory of 3360 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 93 PID 3504 wrote to memory of 3360 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 93 PID 3504 wrote to memory of 3360 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 93 PID 3504 wrote to memory of 2404 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3504 wrote to memory of 2404 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3504 wrote to memory of 2404 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3504 wrote to memory of 1096 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 97 PID 3504 wrote to memory of 1096 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 97 PID 3504 wrote to memory of 1096 3504 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 97 PID 1096 wrote to memory of 2800 1096 csrss.exe 98 PID 1096 wrote to memory of 2800 1096 csrss.exe 98 PID 1096 wrote to memory of 2800 1096 csrss.exe 98 PID 1096 wrote to memory of 460 1096 csrss.exe 103 PID 1096 wrote to memory of 460 1096 csrss.exe 103 PID 1096 wrote to memory of 460 1096 csrss.exe 103 PID 1096 wrote to memory of 4520 1096 csrss.exe 106 PID 1096 wrote to memory of 4520 1096 csrss.exe 106 PID 1096 wrote to memory of 4520 1096 csrss.exe 106 PID 1096 wrote to memory of 3400 1096 csrss.exe 108 PID 1096 wrote to memory of 3400 1096 csrss.exe 108 PID 3612 wrote to memory of 2400 3612 windefender.exe 114 PID 3612 wrote to memory of 2400 3612 windefender.exe 114 PID 3612 wrote to memory of 2400 3612 windefender.exe 114 PID 2400 wrote to memory of 2476 2400 cmd.exe 115 PID 2400 wrote to memory of 2476 2400 cmd.exe 115 PID 2400 wrote to memory of 2476 2400 cmd.exe 115 -
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\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 22083⤵
- Program crash
PID:2440
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C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.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:3504 -
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:4580
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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:916 -
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:904
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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:3360
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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:2404
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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:1096 -
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:2800
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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:3804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1424
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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:460
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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:4520
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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:3400
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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:1172
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3612 -
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:2400 -
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:2476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 9322⤵
- Program crash
PID:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1008 -ip 10081⤵PID:3212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3040 -ip 30401⤵PID:2496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3824
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
MD5d281830f49f88e8570a2f7e0ed3ea6ff
SHA164f4086a2879708f41ff464f38be6b7a422aa3fa
SHA256bec9510b8bf0bd4518344d1cdffccae96fd8697571764c3e773e1b1e0325b568
SHA512f689107f951345fcda821be13e4177ec1763f49a9e2c050c888b85422fade55a41d17269dc8ca9b000c901a4621f4d7896f283b6d460ecdfee792586ac88f4d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a948ccd83b8fcabe479a8fc6bd0142f8
SHA12302a312dcc832543df17df1feecee5db60ccfaf
SHA256ddd897b55489a91241934d28ce277fd47107e522f4456fa8541d130d8abb6bb2
SHA5120bd58fce6cc632e88e8dd3dca3103a6ee111bb71a2467af67c3315e579bf0c87b8b84aacfdfb226831af743d02283c18de3cc72408ac39d0945d151ce8011274
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7d4b4790ceb84f8bb250c226bf1395c
SHA1e34ffc42896985204f8ce4b5b409bc9f846d6abe
SHA256d29010927a8929da080efbcccf66f30fb94f52854869fff1010f0c4af0a631e9
SHA512d9796081ac4682c9763e938d78b9150b4068430e3b20ad6f335e1af81216d6f57e2fc2de4871d84f4771e162e7a99b241a0a9bbc606d48de184f92bedc7f2a08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da2575799133ce32cc82df3352eaab0f
SHA111f7cc32b64187f9d6f91a5ef5f2b7d28635e309
SHA256f81d4297af8357e5d713f8f75b4a49b6e6f8b86570606b63318f5daba158f2d1
SHA5124e2d3e575abee3beb2ae01638f790c6f39e5adcff4cf3fd149343d12584b5f11cc63c27040870deaa620d4be34e0973d658a0a98929bb622350593b1b465256d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512e3230d7c3440c77fa5b71c395a3ad7
SHA143986f7d71553a4ee50e3a9c6e1a997d54bc4fc9
SHA25673d80e515b5b9a17aa7eb9065e4fccbf9364cbe698cb8317c67c8717cb076ee0
SHA512ffe01cbe11c2cde8378f2512b1e817eb55bdc55a21eb70e19877a7fa2f66c33ef9b83d868c2060083c09391c6d9b3a02039c73ad369a588529f3c66a03b067ba
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Filesize
4.1MB
MD56e14d1db9ff992aee67deedb2ecd6c0a
SHA145e97da453e466f6a3fc2e50cfdd267f4a3bc39c
SHA2561383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db
SHA512e3df7318d301c0041bbad97d516dc901ad29c044e32758771170c3c86f0d21a394a90b012610c78ea6e12e18ab040fc86185051e85770a386c4cc27684d8e3b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec