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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 15:15
Static task
static1
Behavioral task
behavioral1
Sample
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe
Resource
win10v2004-20240508-en
General
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Target
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe
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Size
4.1MB
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MD5
b2313e50a67190388a9bb39d886ab92a
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SHA1
bf7386e6347c5b0afc524e353d19e9e5deae0eac
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SHA256
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185
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SHA512
34d4135a2e9386670a8f818c681ddd33c64ce2996cc424aea232ac5c8ec15dcfdd4b5be6dec736a592bec6d785c55133f6d82c8397b95be186356e54d9c77c8a
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SSDEEP
98304:D3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiT4:D3/aer8lIiPc9ySnggpxAJiIuBVpFiiM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3888-2-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/3888-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3888-102-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2948-128-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3888-142-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/3888-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1836-212-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1836-253-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1180 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1836 csrss.exe 2632 injector.exe 2740 windefender.exe 4688 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023430-215.dat upx behavioral1/memory/2740-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2740-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4688-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4688-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3920 sc.exe -
pid Process 2180 powershell.exe 3484 powershell.exe 2800 powershell.exe 4460 powershell.exe 4060 powershell.exe 1608 powershell.exe 4772 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 4232 schtasks.exe 2492 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\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight 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" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4460 powershell.exe 4460 powershell.exe 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 4060 powershell.exe 4060 powershell.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 1608 powershell.exe 1608 powershell.exe 1608 powershell.exe 4772 powershell.exe 4772 powershell.exe 4772 powershell.exe 2180 powershell.exe 2180 powershell.exe 3484 powershell.exe 3484 powershell.exe 2800 powershell.exe 2800 powershell.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 1836 csrss.exe 1836 csrss.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 1836 csrss.exe 1836 csrss.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 1836 csrss.exe 1836 csrss.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe 2632 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Token: SeImpersonatePrivilege 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeSystemEnvironmentPrivilege 1836 csrss.exe Token: SeSecurityPrivilege 3920 sc.exe Token: SeSecurityPrivilege 3920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3888 wrote to memory of 4460 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 84 PID 3888 wrote to memory of 4460 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 84 PID 3888 wrote to memory of 4460 3888 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 84 PID 2948 wrote to memory of 4060 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 95 PID 2948 wrote to memory of 4060 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 95 PID 2948 wrote to memory of 4060 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 95 PID 2948 wrote to memory of 2120 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 99 PID 2948 wrote to memory of 2120 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 99 PID 2120 wrote to memory of 1180 2120 cmd.exe 101 PID 2120 wrote to memory of 1180 2120 cmd.exe 101 PID 2948 wrote to memory of 1608 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 102 PID 2948 wrote to memory of 1608 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 102 PID 2948 wrote to memory of 1608 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 102 PID 2948 wrote to memory of 4772 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 105 PID 2948 wrote to memory of 4772 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 105 PID 2948 wrote to memory of 4772 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 105 PID 2948 wrote to memory of 1836 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 108 PID 2948 wrote to memory of 1836 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 108 PID 2948 wrote to memory of 1836 2948 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 108 PID 1836 wrote to memory of 2180 1836 csrss.exe 109 PID 1836 wrote to memory of 2180 1836 csrss.exe 109 PID 1836 wrote to memory of 2180 1836 csrss.exe 109 PID 1836 wrote to memory of 3484 1836 csrss.exe 114 PID 1836 wrote to memory of 3484 1836 csrss.exe 114 PID 1836 wrote to memory of 3484 1836 csrss.exe 114 PID 1836 wrote to memory of 2800 1836 csrss.exe 117 PID 1836 wrote to memory of 2800 1836 csrss.exe 117 PID 1836 wrote to memory of 2800 1836 csrss.exe 117 PID 1836 wrote to memory of 2632 1836 csrss.exe 119 PID 1836 wrote to memory of 2632 1836 csrss.exe 119 PID 2740 wrote to memory of 4760 2740 windefender.exe 126 PID 2740 wrote to memory of 4760 2740 windefender.exe 126 PID 2740 wrote to memory of 4760 2740 windefender.exe 126 PID 4760 wrote to memory of 3920 4760 cmd.exe 127 PID 4760 wrote to memory of 3920 4760 cmd.exe 127 PID 4760 wrote to memory of 3920 4760 cmd.exe 127 -
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\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4460
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C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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:2948 -
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:4060
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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:2120 -
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:1180
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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:1608
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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:4772
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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:1836 -
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:2180
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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:4232
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4444
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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:3484
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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:2800
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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:2632
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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:2492
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2740 -
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:4760 -
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:3920
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4688
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d3ca5e4e4a449ea5ba7d6b2b6632ede
SHA1a244364b45fe2205d129fe77d05093b1ff4f7d7c
SHA25613e36146b1648dddf91cb8d7083495c6f8026306932e5b3fbdd90af634652cea
SHA512d3074367a2b87dfd75764ba1cc4c4f6a231619c0a2d131029d47bf26924ccf2f3bc99980cd61c10e5d244afd974c9c42bbe6347c4a545b65b0ee3313789535b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c7a32a3d6d30eb7cc9aae18114839a8
SHA12496046e1d0e56abcd3f6233582758e63b02091e
SHA256ec827182cfea6ddf4a68e00c17b35af3789aabc86c824c4246129b589f1552fb
SHA51222385389e2af049d26372c2e64698bf210b53eb9fdf971161112f2bcd7bd07182516ed3cc3adf85e944cba5c50150eaa73b44930d3780ddf3ee0a367ee727f29
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5688bfaafaa75a99df6fdac4afb8ea6d0
SHA18460e1ffcbc386577511113a32e7018b56e2ed91
SHA256d5c2012acd0e68c46b26112dfdb419f60a435794820fa4d8e7c39bf8c5266629
SHA512581c77fa66f242963ffa086769788384ff8075fac4f783305c794b00ba1bc595d968ba809c805bdbfdbdf15682a255aa6af72edf341c20a37a39e86f51c11460
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e1c584d67bbe0d0817ef1c48b6d85c7
SHA16e140cf799f6d12d05faaf8dc3396faf8c7808f6
SHA256c4e16339528d1362d658d490ba9f8af100bac06e4ff50ce46f35ad0e24a8edd7
SHA51216773765da45d37bcac151460f4a05add16ba526d5b80f6c9c6e69d1388adbee43b534f7177ccd59f9b7a43e25c0f3ef85062f76ab13f9b88cf2d2bea590cbe1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6508d60183cc610656489ead8048151
SHA104fd6266bed051d187b4f24bbfa8c77136ab35a2
SHA25690b0c65fead9e36d8c725db5dfee96e2987a1e32fede1a9ebe84298bbc42ca78
SHA5125b8083ff32dbdfc0a0d0363186d06251f8c1ece5dc7b4dc633edc1332a0feaf86778c8f5aedc6a1966430470fe910573beb9d7e2e680cf92fb025f8d7aa11568
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Filesize
4.1MB
MD5b2313e50a67190388a9bb39d886ab92a
SHA1bf7386e6347c5b0afc524e353d19e9e5deae0eac
SHA2563deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185
SHA51234d4135a2e9386670a8f818c681ddd33c64ce2996cc424aea232ac5c8ec15dcfdd4b5be6dec736a592bec6d785c55133f6d82c8397b95be186356e54d9c77c8a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec