Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:40
Static task
static1
Behavioral task
behavioral1
Sample
95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe
Resource
win10v2004-20240412-en
General
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Target
95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe
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Size
4.2MB
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MD5
eca19b4eb5c269b948c21aeada803d50
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SHA1
06e9274af530b892a3270652f5098c795c27a9db
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SHA256
95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572
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SHA512
344dd68cecdc59d2f7d0f689287cde1b52dd9c808b30fd4a80079c8437b9df4cfe12a62792f0548887e90403debfce6c39bb1934789931bfddbc4c2c089c2df4
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SSDEEP
98304:ez7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7+:U7NcfZtQ9LJEd3aOYT++
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/5056-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/5056-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3912-53-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/3912-55-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/5056-67-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/5056-81-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3912-146-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-239-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-248-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-251-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-254-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-257-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-260-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-263-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-266-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-269-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-272-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/3192-281-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2264 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3192 csrss.exe 3548 injector.exe 2056 windefender.exe 2012 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2c-243.dat upx behavioral2/memory/2056-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2012-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2012-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2012-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\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 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 -
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 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 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 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4664 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3136 schtasks.exe 3816 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2400 powershell.exe 2400 powershell.exe 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 1916 powershell.exe 1916 powershell.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 656 powershell.exe 656 powershell.exe 3696 powershell.exe 3696 powershell.exe 800 powershell.exe 800 powershell.exe 2864 powershell.exe 2864 powershell.exe 1916 powershell.exe 1916 powershell.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3192 csrss.exe 3192 csrss.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3192 csrss.exe 3192 csrss.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3192 csrss.exe 3192 csrss.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe 3548 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Token: SeImpersonatePrivilege 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 656 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 800 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeSystemEnvironmentPrivilege 3192 csrss.exe Token: SeSecurityPrivilege 4664 sc.exe Token: SeSecurityPrivilege 4664 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5056 wrote to memory of 2400 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 83 PID 5056 wrote to memory of 2400 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 83 PID 5056 wrote to memory of 2400 5056 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 83 PID 3912 wrote to memory of 1916 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 109 PID 3912 wrote to memory of 1916 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 109 PID 3912 wrote to memory of 1916 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 109 PID 3912 wrote to memory of 3048 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 93 PID 3912 wrote to memory of 3048 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 93 PID 3048 wrote to memory of 2264 3048 cmd.exe 95 PID 3048 wrote to memory of 2264 3048 cmd.exe 95 PID 3912 wrote to memory of 656 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 96 PID 3912 wrote to memory of 656 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 96 PID 3912 wrote to memory of 656 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 96 PID 3912 wrote to memory of 3696 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 98 PID 3912 wrote to memory of 3696 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 98 PID 3912 wrote to memory of 3696 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 98 PID 3912 wrote to memory of 3192 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 100 PID 3912 wrote to memory of 3192 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 100 PID 3912 wrote to memory of 3192 3912 95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe 100 PID 3192 wrote to memory of 800 3192 csrss.exe 101 PID 3192 wrote to memory of 800 3192 csrss.exe 101 PID 3192 wrote to memory of 800 3192 csrss.exe 101 PID 3192 wrote to memory of 2864 3192 csrss.exe 107 PID 3192 wrote to memory of 2864 3192 csrss.exe 107 PID 3192 wrote to memory of 2864 3192 csrss.exe 107 PID 3192 wrote to memory of 1916 3192 csrss.exe 109 PID 3192 wrote to memory of 1916 3192 csrss.exe 109 PID 3192 wrote to memory of 1916 3192 csrss.exe 109 PID 3192 wrote to memory of 3548 3192 csrss.exe 111 PID 3192 wrote to memory of 3548 3192 csrss.exe 111 PID 2056 wrote to memory of 1348 2056 windefender.exe 117 PID 2056 wrote to memory of 1348 2056 windefender.exe 117 PID 2056 wrote to memory of 1348 2056 windefender.exe 117 PID 1348 wrote to memory of 4664 1348 cmd.exe 118 PID 1348 wrote to memory of 4664 1348 cmd.exe 118 PID 1348 wrote to memory of 4664 1348 cmd.exe 118 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe"C:\Users\Admin\AppData\Local\Temp\95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Local\Temp\95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.exe"C:\Users\Admin\AppData\Local\Temp\95dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572.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:3912 -
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:1916
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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:3048 -
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:2264
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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:656
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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:3696
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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:3192 -
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:800
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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:3816
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:540
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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:2864
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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:1916
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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:3548
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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:3136
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2056 -
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:1348 -
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:4664
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2012
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
MD529116e46b31d17bb971092deda648f53
SHA1f77a26733a905d385b16022f0ef62a635f8c116b
SHA25616b38bfbd80d629f68356ac3a10450e8050398aa8bfe6acc6f1bdd8ffe8501c3
SHA512b0556dc0f2798297086435e75b524952d94d883394f22f4914e4d9c3756a0512d0a8c11d618ec688c42c2c5f87d2dd4b02315b60c341b707cd5a2ecf89496eb6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5816229ba96e852f9b66ede7cfb7b80de
SHA12093b264a3a047633fae9110641dda7a305587de
SHA25662dab729ab32af100534afd2c9e18247f23fdf036a70ab23178a09be0971e3b5
SHA51223d4024dc8152425173d0ad9b0fe1f880d61069204c34cbc0604b3e80e0fa81b9240bd6b24d9bca25e1eb40773fc968fb9478d81a90f9997647ca93359b58274
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5100679712fc1dffca35a7aa3c4a84d69
SHA1fa62dfbb168a4e687284c2435414aa339f352225
SHA256d0f0511f91bc226134492622dbe46cb24850db9f7e6fd7242050dc393a7a63e6
SHA5125a312091799d09dbae069216176ccf11862e1dacd3cd00189f473a411e1b95fdd016b587117e033055db645e61a8d49b51d4810f02b9d381e2f9077e3d87e0e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f10f3cb89f7953a59d2ab7f2444a9c6a
SHA12fa2a8d1d45c2fa422afc9901cce209feb26787f
SHA2566d6422ba11349b03f224f212a603ff467f43f860ef51232aa640b6d431707b86
SHA512a790799b60fd26124cc7c940b49b0b43f7177a8632216db5d0038132e96c62d91a9485d5c3ea080e609210e1312c133648fcbe3c7bf704f51820648b21f1c0cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588492a83bfda91f1a7c4092b7c3dea02
SHA17868d470578c64091cfb135cd7b27fb7291fe67d
SHA256f67248bc5878c5fae2f6d3b7ba1eefcdee85e7b1b27375b4cb18f82745b48727
SHA5122c1d795b2ed5dcf7ff5f4259bbee83d3c36dace5463a6c56e86a9e7cd284cd2e35d8f567ba1947c160c7e0ffa1561feedf981556b7024442868aaa45ac29df78
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Filesize
4.2MB
MD5eca19b4eb5c269b948c21aeada803d50
SHA106e9274af530b892a3270652f5098c795c27a9db
SHA25695dc36b08df2699d4f5fd0d6623ea9f7d4e0dc811fe31e60f0d74df9e934e572
SHA512344dd68cecdc59d2f7d0f689287cde1b52dd9c808b30fd4a80079c8437b9df4cfe12a62792f0548887e90403debfce6c39bb1934789931bfddbc4c2c089c2df4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec