Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 23:47
Static task
static1
Behavioral task
behavioral1
Sample
501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe
Resource
win10v2004-20240419-en
General
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Target
501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe
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Size
4.1MB
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MD5
833a231890378235907a2f0bdfdcef0b
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SHA1
0c2807ac2eb7c61f57251bb8a879fb2fd1e8ad9b
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SHA256
501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b
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SHA512
5d3cce6ff37993101c202923d282e629b04ce28bc6d025edfbfd5b85b4f37af8bfe6c15c970ba29abeee6187b6e95a63778e45ea0858b9fc9f817500bbb76059
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SSDEEP
98304:ecO+IuFN6RfDNOk8ZbuyoB06TRm38VpB+tbu1LxdKr74:rOCE0TZbU+b8Vn+t8Vde4
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/1348-2-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/1348-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1348-4-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1348-58-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/1348-59-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4272-61-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4272-137-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-219-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-230-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-232-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-236-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-239-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-242-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-244-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-247-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-251-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/3952-254-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 448 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3952 csrss.exe 4416 injector.exe 2840 windefender.exe 4520 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bbe-223.dat upx behavioral1/memory/2840-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4520-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2840-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4520-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4520-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\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 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3744 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3572 schtasks.exe 512 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,-682 = "E. Australia Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.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\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3856 powershell.exe 3856 powershell.exe 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4308 powershell.exe 4308 powershell.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 3244 powershell.exe 3244 powershell.exe 4696 powershell.exe 4696 powershell.exe 4432 powershell.exe 4432 powershell.exe 2880 powershell.exe 2880 powershell.exe 4676 powershell.exe 4676 powershell.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 3952 csrss.exe 3952 csrss.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 3952 csrss.exe 3952 csrss.exe 4416 injector.exe 4416 injector.exe 3952 csrss.exe 3952 csrss.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Token: SeImpersonatePrivilege 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeSystemEnvironmentPrivilege 3952 csrss.exe Token: SeSecurityPrivilege 3744 sc.exe Token: SeSecurityPrivilege 3744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1348 wrote to memory of 3856 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 95 PID 1348 wrote to memory of 3856 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 95 PID 1348 wrote to memory of 3856 1348 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 95 PID 4272 wrote to memory of 4308 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 101 PID 4272 wrote to memory of 4308 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 101 PID 4272 wrote to memory of 4308 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 101 PID 4272 wrote to memory of 640 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 104 PID 4272 wrote to memory of 640 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 104 PID 640 wrote to memory of 448 640 cmd.exe 106 PID 640 wrote to memory of 448 640 cmd.exe 106 PID 4272 wrote to memory of 3244 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 107 PID 4272 wrote to memory of 3244 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 107 PID 4272 wrote to memory of 3244 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 107 PID 4272 wrote to memory of 4696 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 109 PID 4272 wrote to memory of 4696 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 109 PID 4272 wrote to memory of 4696 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 109 PID 4272 wrote to memory of 3952 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 112 PID 4272 wrote to memory of 3952 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 112 PID 4272 wrote to memory of 3952 4272 501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe 112 PID 3952 wrote to memory of 4432 3952 csrss.exe 113 PID 3952 wrote to memory of 4432 3952 csrss.exe 113 PID 3952 wrote to memory of 4432 3952 csrss.exe 113 PID 3952 wrote to memory of 2880 3952 csrss.exe 119 PID 3952 wrote to memory of 2880 3952 csrss.exe 119 PID 3952 wrote to memory of 2880 3952 csrss.exe 119 PID 3952 wrote to memory of 4676 3952 csrss.exe 121 PID 3952 wrote to memory of 4676 3952 csrss.exe 121 PID 3952 wrote to memory of 4676 3952 csrss.exe 121 PID 3952 wrote to memory of 4416 3952 csrss.exe 123 PID 3952 wrote to memory of 4416 3952 csrss.exe 123 PID 2840 wrote to memory of 3752 2840 windefender.exe 129 PID 2840 wrote to memory of 3752 2840 windefender.exe 129 PID 2840 wrote to memory of 3752 2840 windefender.exe 129 PID 3752 wrote to memory of 3744 3752 cmd.exe 130 PID 3752 wrote to memory of 3744 3752 cmd.exe 130 PID 3752 wrote to memory of 3744 3752 cmd.exe 130 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe"C:\Users\Admin\AppData\Local\Temp\501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856
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C:\Users\Admin\AppData\Local\Temp\501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.exe"C:\Users\Admin\AppData\Local\Temp\501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b.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:4272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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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:640 -
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:448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696
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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:3952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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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:3572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4236
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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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:4416
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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:512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2840 -
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:3752 -
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:3744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4520
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
MD5e4008ee8cdd94325de3ea3b5968b1ed2
SHA144d316ab11ecd426e522ae9d105cbf022ca0d362
SHA256c942e04d318242916a6b20751107fd0201236d244f5630491a3acc52aafbc7df
SHA51286ac44c5fca3f428c42361f073870f3943b08f0b840bc5e7946358f338f554c99d67916ff1c5bf690b2c4872f0c85747bbd51ad1393c37f0f293f9a799938563
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d17224cde38ab13899ab266241d8a39
SHA17a3d421ac00fc9682533af9236518cec3a6c031d
SHA25630ab9ed087a0c467f25835b3ef70d319dbcb05524f3ffc13aa34ceca8e2a458d
SHA512dfa12d020b1f475a921f0b7b54cbd7b48f40010ba15e734181e60cabeb7737066988a29797a3c114fd7c4ece0f43e54b430b1032027c8a78663aed115556f519
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6d657bff9e144020dfc40212697828e
SHA1b3163d5441fcc128da0df4d96824f4626d0054c9
SHA256e417d113b7592712f208cfdd4c6acf12531560ddf603ff8d2c8ba26f82a43096
SHA5124ea430f30f12ae36b4411f3d443cee88f8d20840a0ab47df48b25b2c4c18244219ddde875477fb3dff2d58d66433fba57b36a25f3a7b4ec69e69dec51784e4ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5693d71d34e7c4598835b7590f4386f1f
SHA1d9409028bf1aad7d59f0a6cb6f4394b0d5163289
SHA256541a77d7d09699cf760a99ba644146f26a53748d3e6e5c83fdfaadd35bbae37d
SHA512e39245cd30cf0bdb0d496e18dbb2f00ce994d928015b2c4043c8424fa6d0c693276b7c6fef6e86cc83e3146a138d8456576fbc23b9f8b9dae59ab4641828c77b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a4d75627d7865f9ec664e591bf911a3
SHA1ca28e0e9f1ff40f44c1065fe5dccdc2196c7abc5
SHA2569dd2d980781a1955351bab89637fc22afd5cf620c131bda083161743fe45039d
SHA5121bfbcb2f2d98c73bb0194ab1d412fa8a96d1b2fb90e6786f4384c40133e15cac3da024c04d4a0d341a2332a3ced697c4a351b3fb39c9069a2c5691715a3517d2
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Filesize
4.1MB
MD5833a231890378235907a2f0bdfdcef0b
SHA10c2807ac2eb7c61f57251bb8a879fb2fd1e8ad9b
SHA256501aaa60e72de5c75934142fc840e45b1e8c4d6df7229b40f5a322158fe6e32b
SHA5125d3cce6ff37993101c202923d282e629b04ce28bc6d025edfbfd5b85b4f37af8bfe6c15c970ba29abeee6187b6e95a63778e45ea0858b9fc9f817500bbb76059
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec