Analysis
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max time kernel
150s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-05-2024 11:50
Static task
static1
Behavioral task
behavioral1
Sample
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe
Resource
win10v2004-20240419-en
General
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Target
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe
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Size
4.2MB
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MD5
1aa29d938417519306f2cc39fac09ef1
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SHA1
ba0ce7f5d235870b8a6f0155fff64d4206012b77
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SHA256
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a
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SHA512
3db6cf81dc573bcc8a3bd19d28c6b96908fb5a0cffccb112f6626277a637462b48532202f00bfbb35e7032cf60eda5a386c3be907023df90169ae9ed1d4f122b
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SSDEEP
98304:5Fm33nTRQYXLAJmF7JMhpwIV/CevqNafpDPjSEtx+w/pLn:8dAuJMhpXpCevqOr2EtxJ/Nn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2052-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/2052-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2052-86-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/2052-108-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/3324-123-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/2052-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1492-193-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-208-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-210-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-214-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-217-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-220-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-222-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-226-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-229-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-232-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-234-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-238-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/1492-241-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1772 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1492 csrss.exe 1432 injector.exe 2264 windefender.exe 3480 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab4a-202.dat upx behavioral2/memory/2264-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2264-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3480-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3480-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\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 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 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 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe File created C:\Windows\rss\csrss.exe 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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 2752 sc.exe -
pid Process 4784 powershell.exe 1132 powershell.exe 1032 powershell.exe 3508 powershell.exe 4512 powershell.exe 4536 powershell.exe 4784 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 4376 schtasks.exe 3692 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,-172 = "Central Standard Time (Mexico)" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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 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,-105 = "Central Brazilian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4784 powershell.exe 4784 powershell.exe 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 1132 powershell.exe 1132 powershell.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 1032 powershell.exe 1032 powershell.exe 3508 powershell.exe 3508 powershell.exe 4512 powershell.exe 4512 powershell.exe 4536 powershell.exe 4536 powershell.exe 4784 powershell.exe 4784 powershell.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1492 csrss.exe 1492 csrss.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1492 csrss.exe 1492 csrss.exe 1432 injector.exe 1432 injector.exe 1492 csrss.exe 1492 csrss.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe 1432 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Token: SeImpersonatePrivilege 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 3508 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeSystemEnvironmentPrivilege 1492 csrss.exe Token: SeSecurityPrivilege 2752 sc.exe Token: SeSecurityPrivilege 2752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2052 wrote to memory of 4784 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 82 PID 2052 wrote to memory of 4784 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 82 PID 2052 wrote to memory of 4784 2052 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 82 PID 3324 wrote to memory of 1132 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 87 PID 3324 wrote to memory of 1132 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 87 PID 3324 wrote to memory of 1132 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 87 PID 3324 wrote to memory of 2264 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 89 PID 3324 wrote to memory of 2264 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 89 PID 2264 wrote to memory of 1772 2264 cmd.exe 91 PID 2264 wrote to memory of 1772 2264 cmd.exe 91 PID 3324 wrote to memory of 1032 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 92 PID 3324 wrote to memory of 1032 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 92 PID 3324 wrote to memory of 1032 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 92 PID 3324 wrote to memory of 3508 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 94 PID 3324 wrote to memory of 3508 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 94 PID 3324 wrote to memory of 3508 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 94 PID 3324 wrote to memory of 1492 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 3324 wrote to memory of 1492 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 3324 wrote to memory of 1492 3324 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 1492 wrote to memory of 4512 1492 csrss.exe 97 PID 1492 wrote to memory of 4512 1492 csrss.exe 97 PID 1492 wrote to memory of 4512 1492 csrss.exe 97 PID 1492 wrote to memory of 4536 1492 csrss.exe 103 PID 1492 wrote to memory of 4536 1492 csrss.exe 103 PID 1492 wrote to memory of 4536 1492 csrss.exe 103 PID 1492 wrote to memory of 4784 1492 csrss.exe 105 PID 1492 wrote to memory of 4784 1492 csrss.exe 105 PID 1492 wrote to memory of 4784 1492 csrss.exe 105 PID 1492 wrote to memory of 1432 1492 csrss.exe 107 PID 1492 wrote to memory of 1432 1492 csrss.exe 107 PID 2264 wrote to memory of 3160 2264 windefender.exe 113 PID 2264 wrote to memory of 3160 2264 windefender.exe 113 PID 2264 wrote to memory of 3160 2264 windefender.exe 113 PID 3160 wrote to memory of 2752 3160 cmd.exe 114 PID 3160 wrote to memory of 2752 3160 cmd.exe 114 PID 3160 wrote to memory of 2752 3160 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\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4784
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C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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:3324 -
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:1132
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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:2264 -
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:1772
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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:1032
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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:3508
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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:1492 -
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:4512
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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:4376
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:964
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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:4536
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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:4784
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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:1432
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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:3692
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2264 -
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:3160 -
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:2752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3480
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50806d7c88868f25546d4312033d74e12
SHA1d10a0d37baeafb8a498c3edab15948d5abd54215
SHA2566504edc32a242ace5aa28d25f659bb2a750befba5bd8fdae64c2234dd8df8315
SHA51254972fc8b46791c2c540ab6dc406c2ebea48e60d7cb3408409339a4de960c5559f2c2c85ed86b2f8648a429e97e7b987fa095bd9b098bfeaa729ee538d698618
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9af7ed80efb23180af67199ef961c1b
SHA121bc10e2888642cb92c785ae678e844193b13bd8
SHA25605b7d0423a691a5004a66a3d3bb527af3e137b2994a48860ac86b781979379e2
SHA51250270355bb2f0d6054399ba11be3a93a5348008c515d6ee3af5aaaf6cbbd17a7d03b04d8bd0221b01f0b3d95550fa0d9187a9faa09a322abd70a07cee4616549
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5c2adca2423a5418cbabb9977bfcc72
SHA1fa81c0ed58af8b99bd7a2a247ae4645be1103c8f
SHA256626ab987fb024147efdd21678f3fdf92b8e5359a55a0b77b78cc4df85707b95e
SHA512ef106d0140908765e5873ef562e14a67377505519e38d7d3838e8011bbf345e88d6d1d142d79f315ba7f29615ce230ec662dfcfee673ff2d3daaa0d41ff22a42
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58026b99b305fc0f98c5bb4636033960b
SHA1254532983d7a8dafdbc9f09bf83924bd93b030b8
SHA256553ed9bac1e8ee9b335521f407f4b684273407c2e2ed05e58439b208259c1f8d
SHA512c7d0e08c93bdc4b6ebbad50a7b3d13299d7d7d2ea1a2940a0a94a9d739d09a710a4958a7c0ae965a1eac18d47207aaeb3999f790c4a719e6fe4b6533511e1f95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9b70bb8a6c53d7b2a6e5c17821fc379
SHA1f8da694400f306521a0b3e4bcf79168144a34a27
SHA256ae19bf42d62a3f6e9d8fdf385bca999ecb424d7181046a3a85e2eab104f783a1
SHA5122e98ebad33756274610ad85a91c527258cf30f66bc355dab6a69b3fdca886e87c9368c76023214591b0e166ea4c0afb749cd174ecd98d93c8391ed83a2151174
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Filesize
4.2MB
MD51aa29d938417519306f2cc39fac09ef1
SHA1ba0ce7f5d235870b8a6f0155fff64d4206012b77
SHA25637dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a
SHA5123db6cf81dc573bcc8a3bd19d28c6b96908fb5a0cffccb112f6626277a637462b48532202f00bfbb35e7032cf60eda5a386c3be907023df90169ae9ed1d4f122b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec