Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:44
Static task
static1
Behavioral task
behavioral1
Sample
5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe
Resource
win10v2004-20240508-en
General
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Target
5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe
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Size
4.1MB
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MD5
d3df8d651943bd9f4dacdbb023c0399f
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SHA1
b9404f2cfed07b9c23b71401dcceb17de59f0357
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SHA256
5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d
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SHA512
6497867a61118678bf8d9c83a094943b06835f1673a77a40ee27028ca4d803d4e76cb0ce4f53ce94672c76df359ac59e94b04ad1abc9fd9a0e81874303beed7d
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SSDEEP
98304:KeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGE:KgHncLBP5HkIsFwf3u4kByfxbhOL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2620-2-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/2620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-56-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/2620-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2244-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3720 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1688 csrss.exe 2584 injector.exe 3504 windefender.exe 2212 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023438-221.dat upx behavioral1/memory/3504-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2212-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3504-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2212-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2212-240-0x0000000000400000-0x00000000008DF000-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\"" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe File created C:\Windows\rss\csrss.exe 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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 840 sc.exe -
pid Process 3100 powershell.exe 2116 powershell.exe 3848 powershell.exe 464 powershell.exe 4516 powershell.exe 4760 powershell.exe 3780 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 1632 schtasks.exe 4904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight 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" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2116 powershell.exe 2116 powershell.exe 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 3848 powershell.exe 3848 powershell.exe 3848 powershell.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 464 powershell.exe 464 powershell.exe 464 powershell.exe 4516 powershell.exe 4516 powershell.exe 4760 powershell.exe 4760 powershell.exe 3780 powershell.exe 3780 powershell.exe 3100 powershell.exe 3100 powershell.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 1688 csrss.exe 1688 csrss.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 1688 csrss.exe 1688 csrss.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 1688 csrss.exe 1688 csrss.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe 2584 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Token: SeImpersonatePrivilege 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeSystemEnvironmentPrivilege 1688 csrss.exe Token: SeSecurityPrivilege 840 sc.exe Token: SeSecurityPrivilege 840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2620 wrote to memory of 2116 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 87 PID 2620 wrote to memory of 2116 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 87 PID 2620 wrote to memory of 2116 2620 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 87 PID 2244 wrote to memory of 3848 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 2244 wrote to memory of 3848 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 2244 wrote to memory of 3848 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 2244 wrote to memory of 2088 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 101 PID 2244 wrote to memory of 2088 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 101 PID 2088 wrote to memory of 3720 2088 cmd.exe 103 PID 2088 wrote to memory of 3720 2088 cmd.exe 103 PID 2244 wrote to memory of 464 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 104 PID 2244 wrote to memory of 464 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 104 PID 2244 wrote to memory of 464 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 104 PID 2244 wrote to memory of 4516 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 107 PID 2244 wrote to memory of 4516 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 107 PID 2244 wrote to memory of 4516 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 107 PID 2244 wrote to memory of 1688 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 109 PID 2244 wrote to memory of 1688 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 109 PID 2244 wrote to memory of 1688 2244 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 109 PID 1688 wrote to memory of 4760 1688 csrss.exe 110 PID 1688 wrote to memory of 4760 1688 csrss.exe 110 PID 1688 wrote to memory of 4760 1688 csrss.exe 110 PID 1688 wrote to memory of 3780 1688 csrss.exe 116 PID 1688 wrote to memory of 3780 1688 csrss.exe 116 PID 1688 wrote to memory of 3780 1688 csrss.exe 116 PID 1688 wrote to memory of 3100 1688 csrss.exe 118 PID 1688 wrote to memory of 3100 1688 csrss.exe 118 PID 1688 wrote to memory of 3100 1688 csrss.exe 118 PID 1688 wrote to memory of 2584 1688 csrss.exe 120 PID 1688 wrote to memory of 2584 1688 csrss.exe 120 PID 3504 wrote to memory of 3608 3504 windefender.exe 128 PID 3504 wrote to memory of 3608 3504 windefender.exe 128 PID 3504 wrote to memory of 3608 3504 windefender.exe 128 PID 3608 wrote to memory of 840 3608 cmd.exe 129 PID 3608 wrote to memory of 840 3608 cmd.exe 129 PID 3608 wrote to memory of 840 3608 cmd.exe 129 -
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\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe"C:\Users\Admin\AppData\Local\Temp\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116
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C:\Users\Admin\AppData\Local\Temp\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe"C:\Users\Admin\AppData\Local\Temp\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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:2244 -
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:3848
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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:2088 -
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:3720
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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:464
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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:4516
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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:1688 -
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:4760
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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:1632
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3560
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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:3780
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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:3100
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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:2584
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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:4904
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3504 -
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:3608 -
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:840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2212
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560574cffd8a4dddd31e1f647988b5f76
SHA1872895434876dd659e83aef58e6f5518baf989aa
SHA256d8087e3de697abcc2bd96ed65eb9e81634047655f2ef4abbaa715f12efab4898
SHA5121246a3f223d67929103bb70fe64af0e6987120239898fbe15f47d7bfd354dc691b1987b750f8ee7e2611a4381fbeb179cd1825b1022bc27909cc2d9cf6e629e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b83721916ceabf3c3950f9eaddc2a0a
SHA1395905cc82f3d65a9aa7cc1c982d03f2623e4ccf
SHA2568a94cd81e5b66d21614264f47b291868d5a132abc49e7738d9894a6130342c55
SHA5123050e23e64b7c38832449b9b4b92c1c35e0c9f245b4b1b393f955971d907d095e3ce6eadbfe66a9e038d315b5508f49d697e5318b3bded79984a512276ae5537
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52836fd1c821c6b8b0b9a253c82180225
SHA17c8309f5ace86efcdaf29ff2677cf356b6ca9b08
SHA256053c5990eadebec6ecee3aca593a48bc816aacbe15eab651dcb94cbbfab96f75
SHA51279d6ca33b5c36c58b2afdf2c021b9e0a28f2674c6888a4b94327aa4d18b80079f02824837c031b0d9e124e0e188b09a39e94af6d7829f444c55af19ee844f937
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5059c63522e11a27ac0c062c77871e82d
SHA1573b93ce22bfce36a5eb6b20f75980857b708cc4
SHA25682861033f4e890afc9f4b8c2b51105519d9fc01aa8ad8fc38fa088232627a39c
SHA51219f809ed9be5472fdecb676353ad879b19c5b17e62539acd81d3929d6ed6da87bc357a3316a0573af19d1f63e68d488acd1b1e036ef8a06c15a875773f1b99c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0015db0f608d8fa72614368694e1178
SHA1243f320920dec750a0bc8b80d66e91b8035befe9
SHA256f7afc89b661ae6ef7058a266160fb481745c5b7401b20e854d53434ec4bd0d16
SHA51297716cc6181a393b45f9063282b2ead8cee91a67c386efecee3fb4f9c256176eab1e073c778e8013c3bbb8f24145474e032b84233aa84d5f774e5f9d4b0c1bb4
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Filesize
4.1MB
MD5d3df8d651943bd9f4dacdbb023c0399f
SHA1b9404f2cfed07b9c23b71401dcceb17de59f0357
SHA2565c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d
SHA5126497867a61118678bf8d9c83a094943b06835f1673a77a40ee27028ca4d803d4e76cb0ce4f53ce94672c76df359ac59e94b04ad1abc9fd9a0e81874303beed7d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec