Analysis
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max time kernel
149s -
max time network
150s -
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, 12:54
Static task
static1
Behavioral task
behavioral1
Sample
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe
Resource
win10v2004-20240426-en
General
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Target
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe
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Size
4.1MB
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MD5
29bf67403a5506d111edd28996792b54
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SHA1
46c730683e0bf6daccfbf768e06ed2f2f9b8d336
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SHA256
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3
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SHA512
bfe2cee450c3f5827d9d6ceaf6318dcfc1b172ddb69031afc7f11342e01833eeaa5a68b9e364291288389eff4053563ee6f1cb628776bc387e2c88a876a4d230
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SSDEEP
98304:El9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+tx:pT3oWlQMUAMlWxj+tx
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/888-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/888-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/888-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/888-75-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/2476-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4152 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1468 csrss.exe 720 injector.exe 1336 windefender.exe 4656 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f7-205.dat upx behavioral2/memory/1336-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1336-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe File created C:\Windows\rss\csrss.exe 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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 1004 sc.exe -
pid Process 3396 powershell.exe 4164 powershell.exe 3344 powershell.exe 3052 powershell.exe 3232 powershell.exe 4968 powershell.exe 3876 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 4840 schtasks.exe 5092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.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,-364 = "Middle East Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3396 powershell.exe 3396 powershell.exe 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 4164 powershell.exe 4164 powershell.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 3344 powershell.exe 3344 powershell.exe 3052 powershell.exe 3052 powershell.exe 3232 powershell.exe 3232 powershell.exe 4968 powershell.exe 4968 powershell.exe 3876 powershell.exe 3876 powershell.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 1468 csrss.exe 1468 csrss.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 1468 csrss.exe 1468 csrss.exe 720 injector.exe 720 injector.exe 1468 csrss.exe 1468 csrss.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe 720 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Token: SeImpersonatePrivilege 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeSystemEnvironmentPrivilege 1468 csrss.exe Token: SeSecurityPrivilege 1004 sc.exe Token: SeSecurityPrivilege 1004 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 888 wrote to memory of 3396 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 82 PID 888 wrote to memory of 3396 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 82 PID 888 wrote to memory of 3396 888 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 82 PID 2476 wrote to memory of 4164 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 2476 wrote to memory of 4164 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 2476 wrote to memory of 4164 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 2476 wrote to memory of 2624 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 89 PID 2476 wrote to memory of 2624 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 89 PID 2624 wrote to memory of 4152 2624 cmd.exe 91 PID 2624 wrote to memory of 4152 2624 cmd.exe 91 PID 2476 wrote to memory of 3344 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 92 PID 2476 wrote to memory of 3344 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 92 PID 2476 wrote to memory of 3344 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 92 PID 2476 wrote to memory of 3052 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 94 PID 2476 wrote to memory of 3052 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 94 PID 2476 wrote to memory of 3052 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 94 PID 2476 wrote to memory of 1468 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 2476 wrote to memory of 1468 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 2476 wrote to memory of 1468 2476 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 1468 wrote to memory of 3232 1468 csrss.exe 97 PID 1468 wrote to memory of 3232 1468 csrss.exe 97 PID 1468 wrote to memory of 3232 1468 csrss.exe 97 PID 1468 wrote to memory of 4968 1468 csrss.exe 102 PID 1468 wrote to memory of 4968 1468 csrss.exe 102 PID 1468 wrote to memory of 4968 1468 csrss.exe 102 PID 1468 wrote to memory of 3876 1468 csrss.exe 105 PID 1468 wrote to memory of 3876 1468 csrss.exe 105 PID 1468 wrote to memory of 3876 1468 csrss.exe 105 PID 1468 wrote to memory of 720 1468 csrss.exe 107 PID 1468 wrote to memory of 720 1468 csrss.exe 107 PID 1336 wrote to memory of 4056 1336 windefender.exe 113 PID 1336 wrote to memory of 4056 1336 windefender.exe 113 PID 1336 wrote to memory of 4056 1336 windefender.exe 113 PID 4056 wrote to memory of 1004 4056 cmd.exe 114 PID 4056 wrote to memory of 1004 4056 cmd.exe 114 PID 4056 wrote to memory of 1004 4056 cmd.exe 114 -
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\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396
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C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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:2476 -
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:4164
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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:2624 -
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:4152
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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:3344
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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:3052
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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:1468 -
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:3232
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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:4840
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2844
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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:4968
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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:3876
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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:720
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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:5092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1336 -
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:4056 -
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:1004
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4656
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2f4af4ea984824f9f352abd9864afcd
SHA192e6b76b96d5a8aa70d17f57d55a203a017d3023
SHA2561327c95bd906c735edddf0c7f32234dc555d7fb3890cdae2749fcf131faa343b
SHA5125b38d0c5061fe760ea585e3d02dabfd6bab6ebf2b95245693edd9cceeedb39f0f6672f252dc7489720460d927716413567bec566a098754a534f7898ed6ea144
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538330e26f2e8e2b952453ad99de96d9a
SHA13d9cfa8ebef2d81c817acd3d03dc0b28512c83c9
SHA256e49791292bfe6a615a5f4a443fcffe9a9810a2e3cb669a9133e2a38b01e4fe95
SHA512e5989e04d677be27e16088f94ec83587dd55b2da329fc581dbb09298d432e0db2a95103cc75bba206c41845bbc81627b22f0e430085e2a60494372ddd214203b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e24b3622f4ba527d71f21b4c3952e621
SHA1553430d0a649fe10fc3ef994655ebb869a4bca4f
SHA25675fe798229d66e1bfcce8f25efebb3bfd5645e9a35930bcbc12ab6b429ff1c11
SHA51221ffdfaae8035b269eca07e547706f4d8c734e1284c57522b39d745911a01159b5b93b203ebe856de05cfa6f91e7e5c0db102fa0f1c5bb59117d929eb154633e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bcd21f1e19e938df5cecd41941e00bee
SHA133b6f3aef8dcad7e5f70543d4c0e29008ee16aa5
SHA256a053257bfd9022f6582d3018304b373aef5ebbf3a0471d3cae577dc0c49a96ad
SHA51283c8885cb880a1f7ab871dc61e6969c28658894ce74512abe5ba49f6918192ac36e8e80f02db42296e49fe7dff4844f964f98698a855d623229958393ece54b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56394bea8474da90869c108a24c5d3c18
SHA1224b6be6ee007e1b19161676650c07aa0401fd08
SHA256000dc547e36a2e8e055c33a32cba97e1e9ba6958757c980ccf7a30dd3bdbf4af
SHA512f0d758e57f710c3eddfb5c5742ca032744b0dd7c78728a21664782c847b4012764ea261eb34ca19371193db15881be6202951d75b9d222f1ac8a0f6b118e50c4
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Filesize
4.1MB
MD529bf67403a5506d111edd28996792b54
SHA146c730683e0bf6daccfbf768e06ed2f2f9b8d336
SHA2563c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3
SHA512bfe2cee450c3f5827d9d6ceaf6318dcfc1b172ddb69031afc7f11342e01833eeaa5a68b9e364291288389eff4053563ee6f1cb628776bc387e2c88a876a4d230
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec