Analysis
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max time kernel
149s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe
Resource
win10v2004-20240412-en
General
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Target
90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe
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Size
4.2MB
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MD5
b12999ce98d04ba3116fbaf4ac1336e3
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SHA1
3124dacffabb6cc3b5db8949fe247d8a5f9ebe13
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SHA256
90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d
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SHA512
a43f2e18cc9842334e5ecd9b1a7ef2a50bf06fc0db00b4f4fd87d96d196378bde3efba3cb5a5a39805cea9c1959b0ce10f203ffdea7dd279fefd1333be1d7ab8
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SSDEEP
98304:B00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGD:TpJcNpX++PyaASVpB6kW
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1900-2-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1900-3-0x00000000040B0000-0x000000000499B000-memory.dmp family_glupteba behavioral2/memory/400-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1900-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/400-137-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/400-147-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-247-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/948-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1264 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 948 csrss.exe 232 injector.exe 4072 windefender.exe 672 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa07-246.dat upx behavioral2/memory/4072-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/672-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/672-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe File created C:\Windows\rss\csrss.exe 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.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 1416 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2800 1900 WerFault.exe 78 4912 400 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5000 schtasks.exe 1264 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1108 powershell.exe 1108 powershell.exe 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 1512 powershell.exe 1512 powershell.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 772 powershell.exe 772 powershell.exe 1764 powershell.exe 1764 powershell.exe 3908 powershell.exe 3908 powershell.exe 3488 powershell.exe 3488 powershell.exe 2088 powershell.exe 2088 powershell.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 948 csrss.exe 948 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 948 csrss.exe 948 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 948 csrss.exe 948 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1108 powershell.exe Token: SeDebugPrivilege 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Token: SeImpersonatePrivilege 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 3488 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeSystemEnvironmentPrivilege 948 csrss.exe Token: SeSecurityPrivilege 1416 sc.exe Token: SeSecurityPrivilege 1416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1108 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 81 PID 1900 wrote to memory of 1108 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 81 PID 1900 wrote to memory of 1108 1900 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 81 PID 400 wrote to memory of 1512 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 89 PID 400 wrote to memory of 1512 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 89 PID 400 wrote to memory of 1512 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 89 PID 400 wrote to memory of 4272 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 91 PID 400 wrote to memory of 4272 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 91 PID 4272 wrote to memory of 1264 4272 cmd.exe 93 PID 4272 wrote to memory of 1264 4272 cmd.exe 93 PID 400 wrote to memory of 772 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 94 PID 400 wrote to memory of 772 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 94 PID 400 wrote to memory of 772 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 94 PID 400 wrote to memory of 1764 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 96 PID 400 wrote to memory of 1764 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 96 PID 400 wrote to memory of 1764 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 96 PID 400 wrote to memory of 948 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 98 PID 400 wrote to memory of 948 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 98 PID 400 wrote to memory of 948 400 90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe 98 PID 948 wrote to memory of 3908 948 csrss.exe 101 PID 948 wrote to memory of 3908 948 csrss.exe 101 PID 948 wrote to memory of 3908 948 csrss.exe 101 PID 948 wrote to memory of 3488 948 csrss.exe 107 PID 948 wrote to memory of 3488 948 csrss.exe 107 PID 948 wrote to memory of 3488 948 csrss.exe 107 PID 948 wrote to memory of 2088 948 csrss.exe 109 PID 948 wrote to memory of 2088 948 csrss.exe 109 PID 948 wrote to memory of 2088 948 csrss.exe 109 PID 948 wrote to memory of 232 948 csrss.exe 111 PID 948 wrote to memory of 232 948 csrss.exe 111 PID 4072 wrote to memory of 5032 4072 windefender.exe 117 PID 4072 wrote to memory of 5032 4072 windefender.exe 117 PID 4072 wrote to memory of 5032 4072 windefender.exe 117 PID 5032 wrote to memory of 1416 5032 cmd.exe 118 PID 5032 wrote to memory of 1416 5032 cmd.exe 118 PID 5032 wrote to memory of 1416 5032 cmd.exe 118 -
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\90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe"C:\Users\Admin\AppData\Local\Temp\90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108
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C:\Users\Admin\AppData\Local\Temp\90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.exe"C:\Users\Admin\AppData\Local\Temp\90babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d.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:400 -
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:1512
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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:4272 -
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:1264
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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:772
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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:1764
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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:948 -
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:3908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5000
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4960
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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:3488
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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:2088
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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:232
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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:1264
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4072 -
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:5032 -
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:1416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 8963⤵
- Program crash
PID:4912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 8442⤵
- Program crash
PID:2800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1900 -ip 19001⤵PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 400 -ip 4001⤵PID:4716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:672
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5991b43c4587463686999a0766ce2debc
SHA1f40f97f825397f09ed52d3b3621214bc973bea5e
SHA256ab62845e36defae0ef5a0849f589b73327c58c569d67ffafc17e39fd8fb372c1
SHA5122975ad6f52509e02ab8d02ec1f132cf3e75e8f7afec2c49261da6b250b09a79cccf78b11bd5737c87e958f1b7cc4e017eef7e8616309228766650d1be2f020cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bd1fb64fcea7472de64eb91fc81b454
SHA11b4ca9331a5427692213cc177d5c9b145d2102e1
SHA256fbd5edb1532d495b590a4f0c9e7bc673c16b542ecc43291c1db1823f094a8ae8
SHA512b1944d7df5c3c302b696e712181e45cb42cfd83654bbe06b06db264484ce93fc2c3577c6faaea3fec0d54bc6076be369350217fefb2e26848c54b4a98b0da83f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516ab025773d273e70fb1778380fe8b8e
SHA1cda35c7cfd42915cdce750c54ff34634a98cf6db
SHA2566136b53ad8c57122a3fbdb3afe9660141e2685038ce68540ac2cbb9255322553
SHA51298cdd11b313354f9cc2c013625eadabb7d18ba2789129cc98ad591dd7a12084af3fe27706ff191f7b940f8a49d500fdc46c03a745d8ae15ab72370302064ecb2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58779dfc80a55ac02290ce787f86c0d6c
SHA1f8201c14803b3d2c265fc11246d78eca99236e49
SHA2564ece48dbd3b40a391134e1b178cd38104748f4156cc5af20e682ebd88e76a1df
SHA51251679de8091cc2ecfcdd9f88b55b00473b619a5158dc600dcc5be927e8133f8c7f1311e47314af459d757b83fc76787033307c1f5abf63f1d183c248cb4c72f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5606f1157e920e9bdebfd8d92e6d3698f
SHA158774fdfc85f3acde2259ff9c16dcc072bd0e434
SHA25673a2f250c18a7fbe86cdf6e3b726797cab0e13e73ead67b8b77733317f087889
SHA51226a0c50d37c7f722f6af1b87e6019317cd8660310b1b6d4dcaaf58b25c3d1355e057d8f802a5fde48d992acfc67a4221287cc979a5681fef2a1f623133c10742
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Filesize
4.2MB
MD5b12999ce98d04ba3116fbaf4ac1336e3
SHA13124dacffabb6cc3b5db8949fe247d8a5f9ebe13
SHA25690babd93c575e9562e7bd009f7574a0858e40ddd3ef07dc119f58364d994d38d
SHA512a43f2e18cc9842334e5ecd9b1a7ef2a50bf06fc0db00b4f4fd87d96d196378bde3efba3cb5a5a39805cea9c1959b0ce10f203ffdea7dd279fefd1333be1d7ab8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec