Analysis
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max time kernel
150s -
max time network
131s -
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 16:53
Static task
static1
Behavioral task
behavioral1
Sample
41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe
Resource
win10v2004-20240508-en
General
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Target
41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe
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Size
4.1MB
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MD5
a88ed8cbac67fc7f418b1bf2887419c0
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SHA1
809e443818357e9ee010f03e2b38abf0b54c6d59
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SHA256
41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c
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SHA512
9293f38115fa8bf7fe50228b293aadde11e731f849dfb734e577eef3001ce6fd2bdb9dc2472e67c05fda129733c5eba64efe008a83cb25fb4223a59300d24ed0
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP8:gX++d2b0aMbplZO0sFfS8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3132-2-0x0000000004810000-0x00000000050FB000-memory.dmp family_glupteba behavioral1/memory/3132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3132-79-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3132-106-0x0000000004810000-0x00000000050FB000-memory.dmp family_glupteba behavioral1/memory/4824-157-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3132-186-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3188-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-264-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-268-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3188-271-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1224 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3188 csrss.exe 5096 injector.exe 2644 windefender.exe 4404 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023415-220.dat upx behavioral1/memory/2644-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4404-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2644-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4404-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4404-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe File created C:\Windows\rss\csrss.exe 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3100 sc.exe -
pid Process 3532 powershell.exe 2388 powershell.exe 4532 powershell.exe 3004 powershell.exe 2520 powershell.exe 5000 powershell.exe 4788 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 2656 schtasks.exe 4512 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,-151 = "Central America Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-372 = "Jerusalem Standard Time" windefender.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,-181 = "Mountain Daylight Time (Mexico)" 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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre 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,-212 = "Pacific Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5000 powershell.exe 5000 powershell.exe 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4788 powershell.exe 4788 powershell.exe 4788 powershell.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 3532 powershell.exe 3532 powershell.exe 3532 powershell.exe 2388 powershell.exe 2388 powershell.exe 2388 powershell.exe 4532 powershell.exe 4532 powershell.exe 4532 powershell.exe 3004 powershell.exe 3004 powershell.exe 3004 powershell.exe 2520 powershell.exe 2520 powershell.exe 2520 powershell.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 3188 csrss.exe 3188 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 3188 csrss.exe 3188 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 3188 csrss.exe 3188 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Token: SeImpersonatePrivilege 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 2388 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeSystemEnvironmentPrivilege 3188 csrss.exe Token: SeSecurityPrivilege 3100 sc.exe Token: SeSecurityPrivilege 3100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3132 wrote to memory of 5000 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 88 PID 3132 wrote to memory of 5000 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 88 PID 3132 wrote to memory of 5000 3132 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 88 PID 4824 wrote to memory of 4788 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 97 PID 4824 wrote to memory of 4788 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 97 PID 4824 wrote to memory of 4788 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 97 PID 4824 wrote to memory of 4004 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 100 PID 4824 wrote to memory of 4004 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 100 PID 4004 wrote to memory of 1224 4004 cmd.exe 103 PID 4004 wrote to memory of 1224 4004 cmd.exe 103 PID 4824 wrote to memory of 3532 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 104 PID 4824 wrote to memory of 3532 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 104 PID 4824 wrote to memory of 3532 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 104 PID 4824 wrote to memory of 2388 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 107 PID 4824 wrote to memory of 2388 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 107 PID 4824 wrote to memory of 2388 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 107 PID 4824 wrote to memory of 3188 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 109 PID 4824 wrote to memory of 3188 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 109 PID 4824 wrote to memory of 3188 4824 41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe 109 PID 3188 wrote to memory of 4532 3188 csrss.exe 110 PID 3188 wrote to memory of 4532 3188 csrss.exe 110 PID 3188 wrote to memory of 4532 3188 csrss.exe 110 PID 3188 wrote to memory of 3004 3188 csrss.exe 116 PID 3188 wrote to memory of 3004 3188 csrss.exe 116 PID 3188 wrote to memory of 3004 3188 csrss.exe 116 PID 3188 wrote to memory of 2520 3188 csrss.exe 119 PID 3188 wrote to memory of 2520 3188 csrss.exe 119 PID 3188 wrote to memory of 2520 3188 csrss.exe 119 PID 3188 wrote to memory of 5096 3188 csrss.exe 121 PID 3188 wrote to memory of 5096 3188 csrss.exe 121 PID 2644 wrote to memory of 4012 2644 windefender.exe 129 PID 2644 wrote to memory of 4012 2644 windefender.exe 129 PID 2644 wrote to memory of 4012 2644 windefender.exe 129 PID 4012 wrote to memory of 3100 4012 cmd.exe 130 PID 4012 wrote to memory of 3100 4012 cmd.exe 130 PID 4012 wrote to memory of 3100 4012 cmd.exe 130 -
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\41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe"C:\Users\Admin\AppData\Local\Temp\41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
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C:\Users\Admin\AppData\Local\Temp\41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.exe"C:\Users\Admin\AppData\Local\Temp\41e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c.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:4824 -
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:4788
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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:4004 -
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:1224
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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:3532
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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:2388
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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:3188 -
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:4532
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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:2656
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2088
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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:3004
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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:2520
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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:5096
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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:4512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2644 -
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:4012 -
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:3100
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4404
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
MD5a6b343db4d7801f347150cc61d922ccc
SHA169c958c51ec24420f803e8e2dd4c33f217977cab
SHA25661a43fde0275184d143aac41e0edf51dc6a860d6c2a5d884b63a3b176176d17f
SHA512fb1609abc1c8cc4438dcb4e57a362b1cb38eaada18f7bfd8dc155683d8c057455c4f8af6bf9492d50beb414e2b9ed79322ae7cefc29b9a37fda9d1987514f884
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a210f8211b157b9a18271cfeedc0b97
SHA1feba8cedfe51747e1b26cfc3131d3620b218dbe1
SHA25628a67f6cd6bb6185db7ca18488f843ebdb0d83e2021fb32a7c16c7dd178d1d48
SHA512e6d8040c7bfabb49030e1baaa04f94fa88d137fbb841daea57073bc8efcc3a8bc2d85de8e39a01baa284551c91f505e595f6f1313657519e661f7207e4919fa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e80c54645b15f4a9932fc8b347c1d542
SHA151fec6794d0315521f265391a0dbb623a3767a79
SHA25652778e9a48ebbf31ed5f4bedddb74e5c6a4eacc820502f3069082d5f76fe654f
SHA512fbdf27d296943b8ab289ab176c11780b57ef31d59791664bdf98accdf8d89073428fffd58d03bf1107c8d2205ed1991edd8694910221dd403736c73d6f5bd4ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6b247312a231cc10621d70254ecf239
SHA15e681340ac6b7070d45b98685e9962588970c7a0
SHA2569f6cdee2fb045597e1e17761d1040d8473f8b4a57cd97f59a36340daceceb3dd
SHA5124166258c502a501e86d03346e0374a6e76251750eefc578d31a95939828345999ad2e4b51ea8024fb1197201adbfceddbcfd8f0a29743552f71316c677c6413e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4d5f07290f8bb79f8c550a9f6c7da25
SHA1dac8354f41561bfca99856964b0897c7c247d9c2
SHA25670011e735a38509b2ea31e186290351a585bea6e5f13e9c083f65af8b252cde0
SHA512e514b209c3c532a7d946167e2ef8c4364e58e3ef684e5dcf5dc5add136c220717d4f16ae28d728eee9e01cb12f26d943f4d92c733f5b43fc35ccfc05ede5df10
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Filesize
4.1MB
MD5a88ed8cbac67fc7f418b1bf2887419c0
SHA1809e443818357e9ee010f03e2b38abf0b54c6d59
SHA25641e1b7dedbd949e423f2077cacadac4300022a28426f35d08a148ec062ca2d7c
SHA5129293f38115fa8bf7fe50228b293aadde11e731f849dfb734e577eef3001ce6fd2bdb9dc2472e67c05fda129733c5eba64efe008a83cb25fb4223a59300d24ed0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec