Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:30
Static task
static1
Behavioral task
behavioral1
Sample
ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe
Resource
win10v2004-20240508-en
General
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Target
ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe
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Size
4.1MB
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MD5
dbd4a7dbe5f34fcea61e1aed4638f08b
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SHA1
aa460466c0d808adfdef5c3f480e9119826ba20d
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SHA256
ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb
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SHA512
15edb1cb7b8ae49e4cf6044b22b6fc6dbc76bf0ef1cac13754d4f3e6de20b9892eadfb48a688d2fc2e927fe947871cacf8c481c5dea02148667f68118737217d
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9nt3:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nB
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4572-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4572-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4572-56-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4572-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5092-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3672-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3672 csrss.exe 4448 injector.exe 1308 windefender.exe 4420 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233d3-217.dat upx behavioral1/memory/1308-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4420-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4420-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4420-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe File created C:\Windows\rss\csrss.exe ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.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 2504 sc.exe -
pid Process 2044 powershell.exe 3592 powershell.exe 4852 powershell.exe 4536 powershell.exe 3908 powershell.exe 4676 powershell.exe 3912 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 764 schtasks.exe 3212 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,-2532 = "Chatham Islands Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.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,-2181 = "Astrakhan Daylight Time" windefender.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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2044 powershell.exe 2044 powershell.exe 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 3592 powershell.exe 3592 powershell.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 4852 powershell.exe 4852 powershell.exe 4536 powershell.exe 4536 powershell.exe 3908 powershell.exe 3908 powershell.exe 4676 powershell.exe 4676 powershell.exe 3912 powershell.exe 3912 powershell.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 3672 csrss.exe 3672 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 3672 csrss.exe 3672 csrss.exe 4448 injector.exe 4448 injector.exe 3672 csrss.exe 3672 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Token: SeImpersonatePrivilege 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe Token: SeDebugPrivilege 3592 powershell.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeSystemEnvironmentPrivilege 3672 csrss.exe Token: SeSecurityPrivilege 2504 sc.exe Token: SeSecurityPrivilege 2504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4572 wrote to memory of 2044 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 87 PID 4572 wrote to memory of 2044 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 87 PID 4572 wrote to memory of 2044 4572 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 87 PID 5092 wrote to memory of 3592 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 96 PID 5092 wrote to memory of 3592 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 96 PID 5092 wrote to memory of 3592 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 96 PID 5092 wrote to memory of 4892 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 99 PID 5092 wrote to memory of 4892 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 99 PID 4892 wrote to memory of 2696 4892 cmd.exe 101 PID 4892 wrote to memory of 2696 4892 cmd.exe 101 PID 5092 wrote to memory of 4852 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 102 PID 5092 wrote to memory of 4852 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 102 PID 5092 wrote to memory of 4852 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 102 PID 5092 wrote to memory of 4536 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 104 PID 5092 wrote to memory of 4536 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 104 PID 5092 wrote to memory of 4536 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 104 PID 5092 wrote to memory of 3672 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 106 PID 5092 wrote to memory of 3672 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 106 PID 5092 wrote to memory of 3672 5092 ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe 106 PID 3672 wrote to memory of 3908 3672 csrss.exe 107 PID 3672 wrote to memory of 3908 3672 csrss.exe 107 PID 3672 wrote to memory of 3908 3672 csrss.exe 107 PID 3672 wrote to memory of 4676 3672 csrss.exe 113 PID 3672 wrote to memory of 4676 3672 csrss.exe 113 PID 3672 wrote to memory of 4676 3672 csrss.exe 113 PID 3672 wrote to memory of 3912 3672 csrss.exe 115 PID 3672 wrote to memory of 3912 3672 csrss.exe 115 PID 3672 wrote to memory of 3912 3672 csrss.exe 115 PID 3672 wrote to memory of 4448 3672 csrss.exe 118 PID 3672 wrote to memory of 4448 3672 csrss.exe 118 PID 1308 wrote to memory of 3644 1308 windefender.exe 125 PID 1308 wrote to memory of 3644 1308 windefender.exe 125 PID 1308 wrote to memory of 3644 1308 windefender.exe 125 PID 3644 wrote to memory of 2504 3644 cmd.exe 126 PID 3644 wrote to memory of 2504 3644 cmd.exe 126 PID 3644 wrote to memory of 2504 3644 cmd.exe 126 -
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\ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe"C:\Users\Admin\AppData\Local\Temp\ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
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C:\Users\Admin\AppData\Local\Temp\ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.exe"C:\Users\Admin\AppData\Local\Temp\ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb.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:5092 -
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:3592
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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:4892 -
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:2696
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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:4852
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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:4536
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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:3672 -
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:3908
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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:764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2808
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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:4676
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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:3912
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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:4448
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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:3212
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1308 -
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:3644 -
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:2504
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4420
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
MD598e8cb7e9720b0c190273312092c4cc8
SHA1218e54a617b668c0034578cc372a4dccaa58ae5f
SHA25622d187a908483d62668e8d5aaa245e62e41aae594256dacdab3569f34ef2eec0
SHA512c7f520c40c705666c89304c6d0e099fc28c929d5f2f47c9abc34ff79b4f2e4a6858c918dd30e259ff79a62c84d5ee3ac13b5e9617ba29257b7a2b17685157741
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57581903c54381631cf5a287eacb651ab
SHA173d41f8feec225af1421578a771b3df4a4bf13d2
SHA256f6c6359e6fbd3c428766df95530afb5c8d946e00cd6905cbbf6c43965b11494c
SHA51248cb0416b220aa41937d184ac0c0b6c20285155d30e602aa8f43714a5b5671d61a6f43afb8991518b9f258919ec6e15d5a62696bb2cb286f9cd1781a3cf7bea4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a795be1d19ed9f3a8aaa6c15eed464aa
SHA103b7983848386e55210c9df177f5f4e784d45c0b
SHA256e8067e8a99b000404ca96eb4d0721960fd6873fae6c9dc2bda4f45a834e21b37
SHA51200eaa764b2a76d408ae6369972cd10675c31c6d35402ab9eddc4cabc75ca3d52d42cb3cf7937c04c8ce4a135cbada751542b0f5fa98c5560b5f714eabf909303
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549d4f8804a66ae95a884b6cb96fd9277
SHA1cdff2c77c5071a4dc70511b3c43813e4cd2a7025
SHA25664e62af169d6daff27c58673ac54d1114086f8afe85a270e6e8c79f6db39d8c3
SHA5121ae994abd7c2e05dd9a3de24bc64008a156019615aef1c790306a992048848808cc745838c34e352ba7a38a9255ddbada9a9d5d74f79ba52eb781ea63695864a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c9ac6f973181442e05950a235f42fcc
SHA184b900372cfdd808e18fcd1004787557a0fdbd0f
SHA2562618afde5359410ee42615344e7b85ea6966df8e46f42ce5840423d0685bd075
SHA5120f28d3f4c77ff073c25d41420ec8b47848ae60ef2825734ce98f282e6baee0c3a4e81713740e3f488e1b31177fef79009e83dc55568a4fac5b231cb438fd0c26
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Filesize
4.1MB
MD5dbd4a7dbe5f34fcea61e1aed4638f08b
SHA1aa460466c0d808adfdef5c3f480e9119826ba20d
SHA256ba36ef7857645bcc4cc82f52008be90d46d48a2c7dd47b6dd24eb8c1226694cb
SHA51215edb1cb7b8ae49e4cf6044b22b6fc6dbc76bf0ef1cac13754d4f3e6de20b9892eadfb48a688d2fc2e927fe947871cacf8c481c5dea02148667f68118737217d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec