Analysis
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max time kernel
149s -
max time network
135s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/2480-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/2480-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2480-53-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/2616-54-0x0000000002A30000-0x0000000002E2A000-memory.dmp family_glupteba behavioral2/memory/2480-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2616-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-203-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3936-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3796 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3936 csrss.exe 1512 injector.exe 1660 windefender.exe 4288 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-207.dat upx behavioral2/memory/1660-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4288-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1660-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4288-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4288-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4288-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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 File opened for modification C:\Windows\rss 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3156 sc.exe -
pid Process 4316 powershell.exe 1248 powershell.exe 3144 powershell.exe 224 powershell.exe 236 powershell.exe 5104 powershell.exe 3892 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 2364 schtasks.exe 1428 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.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,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia 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,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.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 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\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan 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" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal 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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3144 powershell.exe 3144 powershell.exe 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 224 powershell.exe 224 powershell.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 236 powershell.exe 236 powershell.exe 5104 powershell.exe 5104 powershell.exe 3892 powershell.exe 3892 powershell.exe 4316 powershell.exe 4316 powershell.exe 1248 powershell.exe 1248 powershell.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 3936 csrss.exe 3936 csrss.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 3936 csrss.exe 3936 csrss.exe 1512 injector.exe 1512 injector.exe 3936 csrss.exe 3936 csrss.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe 1512 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Token: SeImpersonatePrivilege 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 236 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeSystemEnvironmentPrivilege 3936 csrss.exe Token: SeSecurityPrivilege 3156 sc.exe Token: SeSecurityPrivilege 3156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2480 wrote to memory of 3144 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 83 PID 2480 wrote to memory of 3144 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 83 PID 2480 wrote to memory of 3144 2480 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 83 PID 2616 wrote to memory of 224 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 88 PID 2616 wrote to memory of 224 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 88 PID 2616 wrote to memory of 224 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 88 PID 2616 wrote to memory of 4728 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 90 PID 2616 wrote to memory of 4728 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 90 PID 4728 wrote to memory of 3796 4728 cmd.exe 92 PID 4728 wrote to memory of 3796 4728 cmd.exe 92 PID 2616 wrote to memory of 236 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 93 PID 2616 wrote to memory of 236 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 93 PID 2616 wrote to memory of 236 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 93 PID 2616 wrote to memory of 5104 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 95 PID 2616 wrote to memory of 5104 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 95 PID 2616 wrote to memory of 5104 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 95 PID 2616 wrote to memory of 3936 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 2616 wrote to memory of 3936 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 2616 wrote to memory of 3936 2616 5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe 97 PID 3936 wrote to memory of 3892 3936 csrss.exe 98 PID 3936 wrote to memory of 3892 3936 csrss.exe 98 PID 3936 wrote to memory of 3892 3936 csrss.exe 98 PID 3936 wrote to memory of 4316 3936 csrss.exe 104 PID 3936 wrote to memory of 4316 3936 csrss.exe 104 PID 3936 wrote to memory of 4316 3936 csrss.exe 104 PID 3936 wrote to memory of 1248 3936 csrss.exe 106 PID 3936 wrote to memory of 1248 3936 csrss.exe 106 PID 3936 wrote to memory of 1248 3936 csrss.exe 106 PID 3936 wrote to memory of 1512 3936 csrss.exe 108 PID 3936 wrote to memory of 1512 3936 csrss.exe 108 PID 1660 wrote to memory of 4204 1660 windefender.exe 114 PID 1660 wrote to memory of 4204 1660 windefender.exe 114 PID 1660 wrote to memory of 4204 1660 windefender.exe 114 PID 4204 wrote to memory of 3156 4204 cmd.exe 115 PID 4204 wrote to memory of 3156 4204 cmd.exe 115 PID 4204 wrote to memory of 3156 4204 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe"C:\Users\Admin\AppData\Local\Temp\5c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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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:2616 -
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:224
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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:4728 -
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:3796
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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:236
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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:5104
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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:3936 -
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:3892
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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:2364
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1060
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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:4316
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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:1248
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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:1512
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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:1428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1660 -
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:4204 -
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:3156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4288
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
MD5dca2e771650c4954ab527f7354f7e24c
SHA18f297448f477c970571119f460bb8065fafb99c5
SHA256b57b5305a63870ac935ad22b3611e311192aef71854f143a6e9ca967ed663bda
SHA51249a3fdf453ac2d2365a16041badfe30071ad7c51e2a05c1d584a7304cc0cdf6c50539b3b318aa79d10e92d97f32f2b3d6ee09419e9f6fcfa027c8471b7934ba2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c9bde511deca469ae869dbc7edd3c5c
SHA1c00df03944b5f70f51f01b9a2bba9a9430468f39
SHA2569c40d45e140b4140dbfb5876ef027f230e5ade27a7070ad6c0e9e2a626a67106
SHA5121b4d17bdafa735ea3759fe56b3428877ba07c91f113a5ba862b7c599c8eef8d2b47f5262beb8fbc444a923e0fee1ad17a2d6cd15052e4b57d50ebd1177002c3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1383ce1972244f3e2287311dd08a572
SHA1fd077388d9c265edbc9e3eec9ebad3fa2313459c
SHA2566ef1a0068f6c01c93dc208e9fe0f1aeb1a5aa8114dd1ba68a3da9cb3b98b72dd
SHA51289f6d4ff1c02f7e621f30653857812d9b67ede757ecfe417c79b79daf0fa4616ffc3635a2966029b255fd5a873d3b4da31e394e05bf9cd68b4425f4e5d485a3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c017cdf389d2c6d9e0f9902eb2f12ea
SHA1b8fac9c6666127dba1a1655cf2434a20d97707d5
SHA25602bb0af35456ba9978e549ead8e528cfcde00d194dc686a83582b1787928e94a
SHA51258bc9650ddcb0429a88fdfbd27f80e31697f6d8fda4e1b6ad70de3ac488ed857f54a5f6c77b3f449b94eca42f732fd1a9f747d9edf1df8f9f3dc60eee410641e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596473f73becd590fb01f07b15c6495b3
SHA1b946498ffc057cb0579789b318d23f5b9c8156b8
SHA25619d52b7b32403e3998efb7f946322e854c75cfc73b2e16d85f86af952b1206e0
SHA5124e1949b7e044f4c5e58f97b9a4bf9f3e8c1915aec10bd424e4e2ee966b92c0b898926f64456c34ea2625bbc9c44ae7c61553080747a14a20d26193704a7f781e
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Filesize
4.1MB
MD5d3df8d651943bd9f4dacdbb023c0399f
SHA1b9404f2cfed07b9c23b71401dcceb17de59f0357
SHA2565c836369d35a527490e0fb144b68c567dc1f933aa272160dbfb46dd4e845a58d
SHA5126497867a61118678bf8d9c83a094943b06835f1673a77a40ee27028ca4d803d4e76cb0ce4f53ce94672c76df359ac59e94b04ad1abc9fd9a0e81874303beed7d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec