Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:52
Static task
static1
Behavioral task
behavioral1
Sample
3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe
Resource
win10v2004-20240508-en
General
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Target
3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe
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Size
4.1MB
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MD5
29432890e6124f4a53f0e2da72d9e12e
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SHA1
343b3a684c5621d80dc6ae3818392e85f19b4a09
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SHA256
3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32
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SHA512
1ba12b36c6b1eed1a95af914538951a1e26c1cf0536fc80d4d5c1092f9c8f307ca21378bc0c3d28a94bf722d3e527066fb0d84ec8979bb034b0a461e3a9ecd03
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SSDEEP
49152:dKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwi:d1wCr5kG+hEArjFEeNSldQg15xmhi
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4404-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral1/memory/4404-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4404-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4404-54-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-57-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral1/memory/3700-132-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3988-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2960 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3988 csrss.exe 4168 injector.exe 4604 windefender.exe 4696 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023409-221.dat upx behavioral1/memory/4604-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4604-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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\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 File created 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 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe File created C:\Windows\rss\csrss.exe 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe File created 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 4892 sc.exe -
pid Process 4308 powershell.exe 4740 powershell.exe 3340 powershell.exe 4224 powershell.exe 3692 powershell.exe 828 powershell.exe 4036 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 2900 schtasks.exe 2044 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,-435 = "Georgian Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-281 = "Central Europe Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard 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,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-261 = "GMT Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.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\@tzres.dll,-302 = "Romance Standard Time" windefender.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\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight 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,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-2412 = "Marquesas Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4036 powershell.exe 4036 powershell.exe 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 4308 powershell.exe 4308 powershell.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 4740 powershell.exe 4740 powershell.exe 3340 powershell.exe 3340 powershell.exe 4224 powershell.exe 4224 powershell.exe 3692 powershell.exe 3692 powershell.exe 828 powershell.exe 828 powershell.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 3988 csrss.exe 3988 csrss.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 3988 csrss.exe 3988 csrss.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 3988 csrss.exe 3988 csrss.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe 4168 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Token: SeImpersonatePrivilege 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 3692 powershell.exe Token: SeDebugPrivilege 828 powershell.exe Token: SeSystemEnvironmentPrivilege 3988 csrss.exe Token: SeSecurityPrivilege 4892 sc.exe Token: SeSecurityPrivilege 4892 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4404 wrote to memory of 4036 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 84 PID 4404 wrote to memory of 4036 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 84 PID 4404 wrote to memory of 4036 4404 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 84 PID 3700 wrote to memory of 4308 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 98 PID 3700 wrote to memory of 4308 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 98 PID 3700 wrote to memory of 4308 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 98 PID 3700 wrote to memory of 1512 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 101 PID 3700 wrote to memory of 1512 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 101 PID 1512 wrote to memory of 2960 1512 cmd.exe 103 PID 1512 wrote to memory of 2960 1512 cmd.exe 103 PID 3700 wrote to memory of 4740 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 104 PID 3700 wrote to memory of 4740 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 104 PID 3700 wrote to memory of 4740 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 104 PID 3700 wrote to memory of 3340 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 106 PID 3700 wrote to memory of 3340 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 106 PID 3700 wrote to memory of 3340 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 106 PID 3700 wrote to memory of 3988 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 108 PID 3700 wrote to memory of 3988 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 108 PID 3700 wrote to memory of 3988 3700 3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe 108 PID 3988 wrote to memory of 4224 3988 csrss.exe 109 PID 3988 wrote to memory of 4224 3988 csrss.exe 109 PID 3988 wrote to memory of 4224 3988 csrss.exe 109 PID 3988 wrote to memory of 3692 3988 csrss.exe 115 PID 3988 wrote to memory of 3692 3988 csrss.exe 115 PID 3988 wrote to memory of 3692 3988 csrss.exe 115 PID 3988 wrote to memory of 828 3988 csrss.exe 117 PID 3988 wrote to memory of 828 3988 csrss.exe 117 PID 3988 wrote to memory of 828 3988 csrss.exe 117 PID 3988 wrote to memory of 4168 3988 csrss.exe 121 PID 3988 wrote to memory of 4168 3988 csrss.exe 121 PID 4604 wrote to memory of 380 4604 windefender.exe 127 PID 4604 wrote to memory of 380 4604 windefender.exe 127 PID 4604 wrote to memory of 380 4604 windefender.exe 127 PID 380 wrote to memory of 4892 380 cmd.exe 128 PID 380 wrote to memory of 4892 380 cmd.exe 128 PID 380 wrote to memory of 4892 380 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe"C:\Users\Admin\AppData\Local\Temp\3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036
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C:\Users\Admin\AppData\Local\Temp\3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.exe"C:\Users\Admin\AppData\Local\Temp\3dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32.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:3700 -
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: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:1512 -
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:2960
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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:4740
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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:3340
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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:3988 -
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:4224
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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:2900
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4484
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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:3692
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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:828
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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:4168
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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:2044
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4604 -
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:380 -
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:4892
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4696
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562b0ff5e02520d6a0c793b6ebbce9cef
SHA19b0677e54efd43b73557102ca60cefaae36670a5
SHA2566b507913d237124a070b3cf8dad4955492d0c1b00857427a087a759f2d621c30
SHA512915f1038bbaa20baeba3e49b6cbfcf2503683885b7d34e0e49e481527de2cef3f7cf541b153ca5a4c35b6bc1272c7cea82972ecc9e649f99a0060d5759729652
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e4f277954eff7fa0895d1643df5caf7
SHA124eda4c8c334d3c40b5efe0b2f8816ced8cc78bf
SHA256773b008a6cde80048d65cea221b78bb4ba4d9341bae206e72189faa2a7a047e1
SHA5126e57a7a448d598f9709aa664b17ca6b0a15942d5dae0c94ab5de322ff197aea7046e38795bbfe6a3844177cbb0fd4cae53935993b8500fece8b5c671caea3e17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fabedfb0ff671bcc57e7f329daeb342b
SHA13219106c088271f3af469bae57cbaf08a5a60fda
SHA256f4156517d3280166ec10cbd3822c68088828ea7380ca9d3b1f95b45733d56c8d
SHA5121387a56fdf9ba9e1cb1f5a85ed17fd10eec9d559836f61c366a00634abf0c45b2c8071490dc54fbcf4ad5bbbf76438a6c9d423a8ba110e8f4703e8a041c0c241
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2ec552afde9370435d366dda5b318e3
SHA1c41c9ff2d1448c085045ed6374d92d20e7e3018b
SHA256b73cf112e86fa52e3d087c8c5f41d41ccd9fffeedc36fed42792b9430e7496fa
SHA512a0d3b76d508c5a722175230b769bcba41c2bacd25851420f24567d8c81d275c13c6d3376783b1df245dc4f9122800822d36250985a70c11ea05ea247db0db8dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a17d9884f61943a5057eac40b0c1c9c4
SHA1653ac4ad89ea9dddd4f7baef32b89be3d82b781a
SHA256509f5405516aa5ec197cc79498ee9fc40f5abe328d5d8626e4e0f6b53bd5f665
SHA512c620ae3f5652a971e5efe622a0e5a183fda9eb2c2c0a3e210d1af150cd3db56c0a98976285463cb60417c9861a795bf86f262cd0895d8e34497978a475168647
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Filesize
4.1MB
MD529432890e6124f4a53f0e2da72d9e12e
SHA1343b3a684c5621d80dc6ae3818392e85f19b4a09
SHA2563dae8b58d186b837a7a4146e9e4bfe6b16c43507e846c22e7798fb9c34645b32
SHA5121ba12b36c6b1eed1a95af914538951a1e26c1cf0536fc80d4d5c1092f9c8f307ca21378bc0c3d28a94bf722d3e527066fb0d84ec8979bb034b0a461e3a9ecd03
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec