Analysis
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max time kernel
150s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/04/2024, 05:55
Static task
static1
Behavioral task
behavioral1
Sample
36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe
Resource
win10v2004-20240426-en
General
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Target
36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe
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Size
4.2MB
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MD5
b7a713a3e8a5e74dfbd3fa7b8af15099
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SHA1
f3a728406904b47607c943c67623ff1df1443718
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SHA256
36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9
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SHA512
b4d2d8f7d4d2958a74749aecc0bbbbca15a00f1d28031417695c9469009b842289bdb6dd69948f222f83cf33575d6b2e8ce898c1ff228520590514288c1460ef
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SSDEEP
98304:FJAs44mj6yHoVWSrRqgkr+otJgVsj/fkXKCWDifLMfeq6ohT:COtVTcrjt/fkaCWLeru
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1972-2-0x0000000004710000-0x0000000004FFB000-memory.dmp family_glupteba behavioral2/memory/1972-3-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/1972-108-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2888-123-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/1972-147-0x0000000004710000-0x0000000004FFB000-memory.dmp family_glupteba behavioral2/memory/2020-200-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-211-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-214-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-217-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-220-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-223-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-226-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-229-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-232-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-235-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-238-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-241-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral2/memory/2020-244-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2020 csrss.exe 4404 injector.exe 1028 windefender.exe 2736 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9dd-203.dat upx behavioral2/memory/1028-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2736-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1028-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2736-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2736-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe File created C:\Windows\rss\csrss.exe 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.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 1212 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 2236 schtasks.exe 1252 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,-402 = "Arabic Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.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\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1604 powershell.exe 1604 powershell.exe 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 1252 powershell.exe 1252 powershell.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 1820 powershell.exe 1820 powershell.exe 1868 powershell.exe 1868 powershell.exe 4428 powershell.exe 4428 powershell.exe 2276 powershell.exe 2276 powershell.exe 1276 powershell.exe 1276 powershell.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 2020 csrss.exe 2020 csrss.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 2020 csrss.exe 2020 csrss.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 2020 csrss.exe 2020 csrss.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe 4404 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1604 powershell.exe Token: SeDebugPrivilege 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Token: SeImpersonatePrivilege 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe Token: SeDebugPrivilege 1252 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 1868 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeSystemEnvironmentPrivilege 2020 csrss.exe Token: SeSecurityPrivilege 1212 sc.exe Token: SeSecurityPrivilege 1212 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1604 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 82 PID 1972 wrote to memory of 1604 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 82 PID 1972 wrote to memory of 1604 1972 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 82 PID 2888 wrote to memory of 1252 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 88 PID 2888 wrote to memory of 1252 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 88 PID 2888 wrote to memory of 1252 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 88 PID 2888 wrote to memory of 2600 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 90 PID 2888 wrote to memory of 2600 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 90 PID 2600 wrote to memory of 4056 2600 cmd.exe 92 PID 2600 wrote to memory of 4056 2600 cmd.exe 92 PID 2888 wrote to memory of 1820 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 93 PID 2888 wrote to memory of 1820 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 93 PID 2888 wrote to memory of 1820 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 93 PID 2888 wrote to memory of 1868 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 95 PID 2888 wrote to memory of 1868 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 95 PID 2888 wrote to memory of 1868 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 95 PID 2888 wrote to memory of 2020 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 97 PID 2888 wrote to memory of 2020 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 97 PID 2888 wrote to memory of 2020 2888 36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe 97 PID 2020 wrote to memory of 4428 2020 csrss.exe 98 PID 2020 wrote to memory of 4428 2020 csrss.exe 98 PID 2020 wrote to memory of 4428 2020 csrss.exe 98 PID 2020 wrote to memory of 2276 2020 csrss.exe 104 PID 2020 wrote to memory of 2276 2020 csrss.exe 104 PID 2020 wrote to memory of 2276 2020 csrss.exe 104 PID 2020 wrote to memory of 1276 2020 csrss.exe 106 PID 2020 wrote to memory of 1276 2020 csrss.exe 106 PID 2020 wrote to memory of 1276 2020 csrss.exe 106 PID 2020 wrote to memory of 4404 2020 csrss.exe 108 PID 2020 wrote to memory of 4404 2020 csrss.exe 108 PID 1028 wrote to memory of 1360 1028 windefender.exe 114 PID 1028 wrote to memory of 1360 1028 windefender.exe 114 PID 1028 wrote to memory of 1360 1028 windefender.exe 114 PID 1360 wrote to memory of 1212 1360 cmd.exe 115 PID 1360 wrote to memory of 1212 1360 cmd.exe 115 PID 1360 wrote to memory of 1212 1360 cmd.exe 115 -
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\36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe"C:\Users\Admin\AppData\Local\Temp\36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
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C:\Users\Admin\AppData\Local\Temp\36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.exe"C:\Users\Admin\AppData\Local\Temp\36255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9.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:2888 -
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:1252
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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:2600 -
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:4056
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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:1820
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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:1868
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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:2020 -
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:4428
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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:2236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2928
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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:2276
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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:1276
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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:4404
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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:1252
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1028 -
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:1360 -
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:1212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2736
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
MD5c25744bc70272054581fb7e6c9bf9a50
SHA19ab1dcf213b37c34c4801e621a2c8e87b41a0041
SHA256a8762e0d90af89ac7482d2c7d89534546d8b19899897d4d0a5291d54f10a09ac
SHA512ee7c788303fa794d6ed946a6c0e0296bf0ba7f12ecb48520a3a5d4f544faaac2429c930e84fa10b951393400d4f0a7804447ff0bbd86c8d8e9a95aa851115c7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffdfbc742f85459ed85bca8140436b1a
SHA125c5cf02b22901e1ac0b400c56a6c5de404319c5
SHA2564a9d7bc73137724578342c9c8f19b0f49765136b2e63ee5afbbf619aff76d8f5
SHA5128c5ec43ba320e0eff7de0d0a59afd37a2182ab56a5fe9a22df0249ded8d94ba27554182d8c4a4c078304e1c77f7b745b4cf4c3eaf4b9900f9eea63c5c691a879
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b14d035ec3db09e0d213b3730ba1e87
SHA1d8ca192f9bd066f53ac81e2dd22218ed7d66e9de
SHA256798038ee98c484b1bbc11c2bc988b01f9782aa4b89aca8c41140f414b62b0861
SHA512f5ba89f211b6e54bba7033491ff4e484c3404d7fe775aba672fa136fe6be40218567db90f9e450d82b703d1a9ed62ab3f6b4d0f06b07733fadaea155cd7e76a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2549010b31b71733afe87f54caa89e1
SHA14dc4a93e0ee181ca20939847f149b84837165631
SHA2564dadaf976d5f68eabda5abe37334d0e36c13cc9d1a1f4ae0f0d1c25a9671ecaf
SHA5129444e484c1e8cd824e0df465a216d521c35f7aeec1de56f202f489c053c9ffa291a4e0a0b1f9d579178f75c31770f475daf72627ccb4a75a9f127c9f5234dd38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f662e89e51e9e68af3f7ca29cdcdeabb
SHA13c44e169e143252fc0041018117a449e58786014
SHA2563aaeb5d225023b63296ef6d6576938b0970b41ab7d02b3e9af173cae6decf37c
SHA512b8f995ed95e9289e64d8b1bdf5738b8d247a73f4b84aabe8081db09059446801a068d4887ac3edeb52ef3dac61fe6aa02ecbc77b705fa69e5a0beae71fb23761
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Filesize
4.2MB
MD5b7a713a3e8a5e74dfbd3fa7b8af15099
SHA1f3a728406904b47607c943c67623ff1df1443718
SHA25636255a1de8823fe50082970a73d43e1ddc88d66c2e1afb87088706d3d889bce9
SHA512b4d2d8f7d4d2958a74749aecc0bbbbca15a00f1d28031417695c9469009b842289bdb6dd69948f222f83cf33575d6b2e8ce898c1ff228520590514288c1460ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec