Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 04:24
Static task
static1
Behavioral task
behavioral1
Sample
1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe
Resource
win7-20230831-en
General
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Target
1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe
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Size
4.1MB
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MD5
f9231ef9a95bef32c72a4719d1192eed
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SHA1
248689b07323e544dfb06840b31f4d63ccec2045
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SHA256
1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053
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SHA512
c6c9a0bec5f402e8f2f50ea461789d28d8618ee826b0f1ca5125fcbeee04e39cb2528934849024c268453be37026a20f65a812c318a32319d1f83c5ce43223c0
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SSDEEP
98304:sYNYHHiCYmJQ5bNo9nrBMTPttxv7J5XQEYVGufSrvR4Z8m373:XNYiHQ+pMn4PNnZXu6rvR4Zr3
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral2/memory/2360-1-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral2/memory/2360-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2360-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2360-5-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral2/memory/2360-31-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2360-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4824-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4824-76-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4824-99-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4824-104-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4824-166-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2480-232-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2480-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2480-267-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2480-268-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2480-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4972 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2480 csrss.exe 4680 injector.exe 2496 windefender.exe 4216 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023212-271.dat upx behavioral2/files/0x0008000000023212-273.dat upx behavioral2/files/0x0008000000023212-274.dat upx behavioral2/memory/2496-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\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 8 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\ModuleAnalysisCache 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 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe File created C:\Windows\rss\csrss.exe 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.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 2276 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2032 schtasks.exe 4868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 876 powershell.exe 876 powershell.exe 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 632 powershell.exe 632 powershell.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 4152 powershell.exe 4152 powershell.exe 1924 powershell.exe 1924 powershell.exe 4944 powershell.exe 4944 powershell.exe 4188 powershell.exe 4188 powershell.exe 4484 powershell.exe 4484 powershell.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 2480 csrss.exe 2480 csrss.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 2480 csrss.exe 2480 csrss.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe 4680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 876 powershell.exe Token: SeDebugPrivilege 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Token: SeImpersonatePrivilege 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe Token: SeDebugPrivilege 632 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeSystemEnvironmentPrivilege 2480 csrss.exe Token: SeSecurityPrivilege 2276 sc.exe Token: SeSecurityPrivilege 2276 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2360 wrote to memory of 876 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 93 PID 2360 wrote to memory of 876 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 93 PID 2360 wrote to memory of 876 2360 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 93 PID 4824 wrote to memory of 632 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 101 PID 4824 wrote to memory of 632 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 101 PID 4824 wrote to memory of 632 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 101 PID 4824 wrote to memory of 1128 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 103 PID 4824 wrote to memory of 1128 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 103 PID 1128 wrote to memory of 4972 1128 cmd.exe 105 PID 1128 wrote to memory of 4972 1128 cmd.exe 105 PID 4824 wrote to memory of 4152 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 106 PID 4824 wrote to memory of 4152 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 106 PID 4824 wrote to memory of 4152 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 106 PID 4824 wrote to memory of 1924 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 108 PID 4824 wrote to memory of 1924 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 108 PID 4824 wrote to memory of 1924 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 108 PID 4824 wrote to memory of 2480 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 110 PID 4824 wrote to memory of 2480 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 110 PID 4824 wrote to memory of 2480 4824 1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe 110 PID 2480 wrote to memory of 4944 2480 csrss.exe 111 PID 2480 wrote to memory of 4944 2480 csrss.exe 111 PID 2480 wrote to memory of 4944 2480 csrss.exe 111 PID 2480 wrote to memory of 4188 2480 csrss.exe 116 PID 2480 wrote to memory of 4188 2480 csrss.exe 116 PID 2480 wrote to memory of 4188 2480 csrss.exe 116 PID 2480 wrote to memory of 4484 2480 csrss.exe 119 PID 2480 wrote to memory of 4484 2480 csrss.exe 119 PID 2480 wrote to memory of 4484 2480 csrss.exe 119 PID 2480 wrote to memory of 4680 2480 csrss.exe 121 PID 2480 wrote to memory of 4680 2480 csrss.exe 121 PID 2496 wrote to memory of 3476 2496 windefender.exe 127 PID 2496 wrote to memory of 3476 2496 windefender.exe 127 PID 2496 wrote to memory of 3476 2496 windefender.exe 127 PID 3476 wrote to memory of 2276 3476 cmd.exe 128 PID 3476 wrote to memory of 2276 3476 cmd.exe 128 PID 3476 wrote to memory of 2276 3476 cmd.exe 128 -
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\1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe"C:\Users\Admin\AppData\Local\Temp\1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876
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C:\Users\Admin\AppData\Local\Temp\1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.exe"C:\Users\Admin\AppData\Local\Temp\1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053.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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:632
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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:1128 -
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:4972
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924
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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:2480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944
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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:2032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4188
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:408
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484
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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:4680
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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:4868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2496 -
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:3476 -
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:2276
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:4216
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
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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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\ModuleAnalysisCache
Filesize35KB
MD5c0c4404d7fa40cfc426fa66648e532c2
SHA1d60dcafc42c6cca766a81d5bfdd8e86978940db0
SHA256ca8746b989ce25d54f1b7fa117f804f162d842228b7f6e9422aeaf0cc6a017f3
SHA512c84bb02966316ee10a38f35516964e4b2730a4a36ede9e13e8b3cf8669756dc7ed44fa5d06e30347050b854e6f82219a38db13dce3b16138354aa331c73d02b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59087a8c9dde1cc6c17dc3cf1b26ada84
SHA15f3dc8d0314275df5377585f4f77b4578082ea7d
SHA2561472b8e1b2765d5359d7595253ca417052ba1bc8bb14c7b28693fe1c619475fe
SHA51283b0aac22ade782027f565004f6e09d01aab11ceae31a99534afa035ab369e8486f3cdd16e903d1f7594e4e971943e43b7f89ea45951b17adc4f662b92fbe784
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5458f1415f2e61be7c2737681a2967f0f
SHA14ead4d6cd62f5623d7d9a542d91e4960599f11e5
SHA25682601a1082f2114006646fe56707fd02107c8d15b1a68a2165d6f808ed69e6f0
SHA512210665c991ca110fed9325e4c12d1a53960dd75650ede4e5ede4f19b2a5963192d5827d50b33501a2ef141715b72d45d060497f4042c0de988ef090cea2589ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d6b9613b65397639d7224a9c75779a01
SHA1c81a3a704f3258fee5b39fedda93b33b3e144da9
SHA25672e901296aab8ab16744eb6eacf22e1b53f04748b514f5ff0b249230374f35f5
SHA512a84a002d01f298f7433e5fc6af9938200b4279568df2fa56b9023041754847c5fadaa6faae0942abcae6d3b81dc71dfadf841491e583b048294e331ec81a95b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5535e51cd3c925bd5a38ecad207c436af
SHA1a00585e48af2cc782fe96a1d2f3be68f2adf4966
SHA2567ec853b106363b0c8964cfbb9abb335b4863bd2579687b8157950f90ccd944a3
SHA5122513b7744b86e18c349f28b28ca8e8cba183e940a2cf018ced2dd6e7eb01426a6cc9d7a0059468e590325b81325511eecd893f2fc4bfb0c37f1e82c1c50bbae8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ca2a5c317d033481aa4ff2f2c1d752f4
SHA1961bbbd3135cd61a1dabda3754ba79107c6e7e89
SHA2563cf0fa89cc1cc13f09ed4bf16904c8dfa243680c7edc668d2dc66b456a61ec50
SHA512cc0ffd7a29d58c31f63ffb076b5005d6dafd0b126db9f032218edfc0414c4de750abd5d84407ef14517987d9f3c2b089cda8a0046a3b4a9d843b0053e2100c3e
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Filesize
4.1MB
MD5f9231ef9a95bef32c72a4719d1192eed
SHA1248689b07323e544dfb06840b31f4d63ccec2045
SHA2561d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053
SHA512c6c9a0bec5f402e8f2f50ea461789d28d8618ee826b0f1ca5125fcbeee04e39cb2528934849024c268453be37026a20f65a812c318a32319d1f83c5ce43223c0
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Filesize
4.1MB
MD5f9231ef9a95bef32c72a4719d1192eed
SHA1248689b07323e544dfb06840b31f4d63ccec2045
SHA2561d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053
SHA512c6c9a0bec5f402e8f2f50ea461789d28d8618ee826b0f1ca5125fcbeee04e39cb2528934849024c268453be37026a20f65a812c318a32319d1f83c5ce43223c0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec