Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 05:38
Static task
static1
Behavioral task
behavioral1
Sample
3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe
Resource
win10v2004-20240419-en
General
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Target
3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe
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Size
4.2MB
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MD5
1acf9847e01d84173bff136c1ac3caf5
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SHA1
f17521b6b835b5df56d2290c98aeb33d0dd601f1
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SHA256
3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083
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SHA512
50f52a3fe7916e207b432f34175c3081bfd25720477c3850f63fbba86380bbc6a17c050e84c98ebe089f8bbb0073071f9a5c1a2c26489d13064ebff932085d30
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SSDEEP
98304:SYYiaFq+ieS5FN6Ok4KsxnWuFa9Ky4Bnrz9CeP/hqGF:SYNWaN6/4KsbUUweIGF
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1228-2-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/1228-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1228-115-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/3000-131-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/1228-182-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/1228-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/840-215-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-224-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-228-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-231-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-234-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-237-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-240-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-243-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-246-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-249-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-252-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-255-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/840-258-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4588 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 840 csrss.exe 5116 injector.exe 876 windefender.exe 1016 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023bbf-219.dat upx behavioral1/memory/876-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1016-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/876-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1016-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1016-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\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 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe File created C:\Windows\rss\csrss.exe 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.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 4804 sc.exe -
pid Process 3216 powershell.exe 3164 powershell.exe 376 powershell.exe 4720 powershell.exe 3436 powershell.exe 3468 powershell.exe 2184 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 3956 schtasks.exe 3880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight 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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe 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\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4720 powershell.exe 4720 powershell.exe 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3436 powershell.exe 3436 powershell.exe 3436 powershell.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 3468 powershell.exe 3468 powershell.exe 3468 powershell.exe 2184 powershell.exe 2184 powershell.exe 2184 powershell.exe 3216 powershell.exe 3216 powershell.exe 3164 powershell.exe 3164 powershell.exe 376 powershell.exe 376 powershell.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 840 csrss.exe 840 csrss.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 840 csrss.exe 840 csrss.exe 5116 injector.exe 5116 injector.exe 840 csrss.exe 840 csrss.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Token: SeImpersonatePrivilege 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 376 powershell.exe Token: SeSystemEnvironmentPrivilege 840 csrss.exe Token: SeSecurityPrivilege 4804 sc.exe Token: SeSecurityPrivilege 4804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1228 wrote to memory of 4720 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 87 PID 1228 wrote to memory of 4720 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 87 PID 1228 wrote to memory of 4720 1228 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 87 PID 3000 wrote to memory of 3436 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 98 PID 3000 wrote to memory of 3436 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 98 PID 3000 wrote to memory of 3436 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 98 PID 3000 wrote to memory of 3996 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 102 PID 3000 wrote to memory of 3996 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 102 PID 3996 wrote to memory of 4588 3996 cmd.exe 104 PID 3996 wrote to memory of 4588 3996 cmd.exe 104 PID 3000 wrote to memory of 3468 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 106 PID 3000 wrote to memory of 3468 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 106 PID 3000 wrote to memory of 3468 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 106 PID 3000 wrote to memory of 2184 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 108 PID 3000 wrote to memory of 2184 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 108 PID 3000 wrote to memory of 2184 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 108 PID 3000 wrote to memory of 840 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 110 PID 3000 wrote to memory of 840 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 110 PID 3000 wrote to memory of 840 3000 3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe 110 PID 840 wrote to memory of 3216 840 csrss.exe 111 PID 840 wrote to memory of 3216 840 csrss.exe 111 PID 840 wrote to memory of 3216 840 csrss.exe 111 PID 840 wrote to memory of 3164 840 csrss.exe 116 PID 840 wrote to memory of 3164 840 csrss.exe 116 PID 840 wrote to memory of 3164 840 csrss.exe 116 PID 840 wrote to memory of 376 840 csrss.exe 119 PID 840 wrote to memory of 376 840 csrss.exe 119 PID 840 wrote to memory of 376 840 csrss.exe 119 PID 840 wrote to memory of 5116 840 csrss.exe 121 PID 840 wrote to memory of 5116 840 csrss.exe 121 PID 876 wrote to memory of 1940 876 windefender.exe 128 PID 876 wrote to memory of 1940 876 windefender.exe 128 PID 876 wrote to memory of 1940 876 windefender.exe 128 PID 1940 wrote to memory of 4804 1940 cmd.exe 129 PID 1940 wrote to memory of 4804 1940 cmd.exe 129 PID 1940 wrote to memory of 4804 1940 cmd.exe 129 -
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\3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe"C:\Users\Admin\AppData\Local\Temp\3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4720
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C:\Users\Admin\AppData\Local\Temp\3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.exe"C:\Users\Admin\AppData\Local\Temp\3b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083.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:3000 -
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:3436
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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:3996 -
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:4588
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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:3468
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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:2184
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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:840 -
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:3216
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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:3956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:904
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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:3164
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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:376
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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:5116
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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:3880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:876 -
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:1940 -
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:4804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1016
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5534b6db20559733b4e1a5ec5a320e1ea
SHA197ad675d77b57c591488a6d4e0167888cb158312
SHA256fe3cc542779793163c064dbeafc28ff70d3b78b37c57b6f10b568fa32532cb9b
SHA512faa32eb3ef14f9b0600960be6a4c1c1728c38a6a7786b557dc605b5f42dc70f536b37af46a3f64959d911a6a80ce36abdf7badb9aee73f14b7d73324ae38d5b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c2bc61e922ef394afafffe963bc71d4
SHA1048ff18295312e4452b7068db01fd46a5b6e902a
SHA2565c0eaf1df34498399ea00981d189b1c5407a6b25ee5c999ef80444f6147db240
SHA512cccf562e5c6b9990e8a44846d622353f748beeb6be3a433ee76b2a23ca24bd03ecea9ae657845f4b4bd288cd671719e6cec9958b69ba512ef0baaea6f802343b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7363a79d280dd211ae4a10cecb7ca1f
SHA16f26649b678c0a1747fdc296492f4dc738ec8185
SHA256b08fa5a45508e483639f226e244006f5e200ba4d44dc385ec07b517686980788
SHA512c4c60a499ed47fcd489d99cd5369dbfb9864f64eedcb3ac3a330e1e4dfad745c99c69c78d23a25a19e664aa96298e72dfaacf23eead9a6ea413ee9a9dbdda6f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a213aee57ab2ded518faea22bf29f05
SHA167149837ea23c66b3c1e68ab432e92aee5646d34
SHA256340a1894c75c7e650e50a68b2399417a8c257a07d9327413fc20399973db211d
SHA512c3eac214926bd0fa68706227fde86d75bea741df15cf679120442b58bcb0e2a4a322da4513df0141361176b2f7635349a885af4599150ed264097c37d02ed16e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5862a3c9bdfbc47434a6e46d8c3d2d430
SHA14caf5ca72c97ae84822638f09c7112695d6644c4
SHA2569c9e8b334fb6ef502c436ea38b217bab3be78573b3ad4da82959788b6ce4b50f
SHA512ed877b5d24d5e93ba3be1ec0ba2f001a937adf64f6e7f40bf3dfd849c4badd2e95bf35567e823fb741d1c4159e3afd7799b5ebe1cb7cbf620637c9b840a0b12c
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Filesize
4.2MB
MD51acf9847e01d84173bff136c1ac3caf5
SHA1f17521b6b835b5df56d2290c98aeb33d0dd601f1
SHA2563b5645af7ed7d40f0770546add16b42cd4462f8818a18f88a5e17974a8fba083
SHA51250f52a3fe7916e207b432f34175c3081bfd25720477c3850f63fbba86380bbc6a17c050e84c98ebe089f8bbb0073071f9a5c1a2c26489d13064ebff932085d30
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec