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Analysis
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max time kernel
141s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
13/05/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe
Resource
win10v2004-20240426-en
General
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Target
b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe
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Size
4.1MB
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MD5
4cac48f42c1abb48c8fbedd4dcdc45eb
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SHA1
5a3dcaf9ce9b320120048b8ef03874a62f7bfb35
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SHA256
b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663
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SHA512
ae31094542a90636fda51c69c7a8fe77f748d132e2d13cf658930543b45fd0b743b70ec2f181ae14d6df0a29a1172b767df953600806c603d063614199419de4
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SSDEEP
98304:giuI6DIhBokpgzX0pmgZkEzb3q3S3MwW582eGBSMrIG:giuIfSwmakEv3q3Yd2HBSK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4676-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4676-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/4676-50-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4676-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4676-54-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/4676-51-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2916-101-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2916-126-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-178-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-206-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-224-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-226-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4544-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4544 csrss.exe 1932 injector.exe 2492 windefender.exe 5104 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f8-209.dat upx behavioral2/memory/2492-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5104-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2492-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5104-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5104-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe File created C:\Windows\rss\csrss.exe b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3604 sc.exe -
pid Process 5040 powershell.exe 2508 powershell.exe 3600 powershell.exe 1340 powershell.exe 4600 powershell.exe 1380 powershell.exe 3500 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 3152 schtasks.exe 3908 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,-672 = "AUS Eastern Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard 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\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-141 = "Canada Central Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2508 powershell.exe 2508 powershell.exe 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 3600 powershell.exe 3600 powershell.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 1340 powershell.exe 1340 powershell.exe 4600 powershell.exe 4600 powershell.exe 1380 powershell.exe 1380 powershell.exe 3500 powershell.exe 3500 powershell.exe 5040 powershell.exe 5040 powershell.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 4544 csrss.exe 4544 csrss.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 4544 csrss.exe 4544 csrss.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 4544 csrss.exe 4544 csrss.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Token: SeImpersonatePrivilege 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 1340 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeSystemEnvironmentPrivilege 4544 csrss.exe Token: SeSecurityPrivilege 3604 sc.exe Token: SeSecurityPrivilege 3604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4676 wrote to memory of 2508 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 82 PID 4676 wrote to memory of 2508 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 82 PID 4676 wrote to memory of 2508 4676 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 82 PID 2916 wrote to memory of 3600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 87 PID 2916 wrote to memory of 3600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 87 PID 2916 wrote to memory of 3600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 87 PID 2916 wrote to memory of 4856 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 89 PID 2916 wrote to memory of 4856 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 89 PID 4856 wrote to memory of 2436 4856 cmd.exe 91 PID 4856 wrote to memory of 2436 4856 cmd.exe 91 PID 2916 wrote to memory of 1340 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 92 PID 2916 wrote to memory of 1340 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 92 PID 2916 wrote to memory of 1340 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 92 PID 2916 wrote to memory of 4600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 94 PID 2916 wrote to memory of 4600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 94 PID 2916 wrote to memory of 4600 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 94 PID 2916 wrote to memory of 4544 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 96 PID 2916 wrote to memory of 4544 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 96 PID 2916 wrote to memory of 4544 2916 b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe 96 PID 4544 wrote to memory of 1380 4544 csrss.exe 97 PID 4544 wrote to memory of 1380 4544 csrss.exe 97 PID 4544 wrote to memory of 1380 4544 csrss.exe 97 PID 4544 wrote to memory of 3500 4544 csrss.exe 103 PID 4544 wrote to memory of 3500 4544 csrss.exe 103 PID 4544 wrote to memory of 3500 4544 csrss.exe 103 PID 4544 wrote to memory of 5040 4544 csrss.exe 105 PID 4544 wrote to memory of 5040 4544 csrss.exe 105 PID 4544 wrote to memory of 5040 4544 csrss.exe 105 PID 4544 wrote to memory of 1932 4544 csrss.exe 107 PID 4544 wrote to memory of 1932 4544 csrss.exe 107 PID 2492 wrote to memory of 3916 2492 windefender.exe 113 PID 2492 wrote to memory of 3916 2492 windefender.exe 113 PID 2492 wrote to memory of 3916 2492 windefender.exe 113 PID 3916 wrote to memory of 3604 3916 cmd.exe 114 PID 3916 wrote to memory of 3604 3916 cmd.exe 114 PID 3916 wrote to memory of 3604 3916 cmd.exe 114 -
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\b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe"C:\Users\Admin\AppData\Local\Temp\b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508
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C:\Users\Admin\AppData\Local\Temp\b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.exe"C:\Users\Admin\AppData\Local\Temp\b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663.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:2916 -
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:3600
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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:4856 -
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:2436
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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:1340
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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:4600
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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:4544 -
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:1380
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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:3152
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1984
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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:3500
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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:5040
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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:1932
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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:3908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2492 -
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:3916 -
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:3604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5104
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
MD5bd59ac30fac7909c0e30f7308d585646
SHA1da0db287dab3a8f66cac25e11ca1b93ab26cc811
SHA2568045714d31939f911cd26099b5c01523c6cf41361f4f85f27b508254208b1ee1
SHA512c3bf939245327edee80500c07e811f0680624b2fa2ded6ef4eb104f05b7fb5445d907c333b20a7566070e2253692522ff55b0d9f61bbc49e7ebd8bcaf6626303
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574c15fdd483b4c43bf4f63f0258a1250
SHA1ce8c7d3d52a75474c89a3644e0633c6dcfc3e8bb
SHA2560b47907cfddf18dadb32bb2a3ee623b23aade97b0d487f77914a41ef763c1c3b
SHA512bf0958ad0a71c7ea533422478cdfdb0add24a088915b04c92a9b0f3c36a8c25a2e6de1816f097aae5b12d56ae996dc7f5aa051d620c871a96070578bf8f2a97a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9c5b42b793d051a1e788890e5a7c76d
SHA1819735f9605f2f89596656436d20c086bbab8c1d
SHA2568c52bf1c72360a6b7fec80f48eee6fdaf15e09531d5dc28f7d5ba17b52c6e7da
SHA51261d6a13e32fb46ab4309c580ab907b494a3d46fe3ee46872e0a90a89d2d9f6d079db73e5ad625f94c6de30f4c035a88bb9ff44307516352b6fca4de9cb27dcf4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515eb7c41bfb9f301875ab35b902acc84
SHA1c722038f799811a13169864870e8d2f6e2de84e2
SHA256408afa79663eaecc931d13be217aa483e066a0757b864b2a123c7ba3c3cb6e19
SHA512746636681bf8815a5a8df8709ec1557fd991e0a776a4860bf4ef6b70ff275fea5a3e9301462bd30449b2c695b23c40db33170097da9ebe5f34259ffb837274f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ad00f534cb8babb6c72a1c8ea78f35e
SHA1fd88f3259fbcd0ca035f02d32636b07347c8ba2e
SHA256cdc6f66bb7aabba48266c8b61a3adb17824cc9aa3972bcac21f7d3c95a21a2fb
SHA512d0c543541325581f7aff6f3c8b6fa1fb547057c92c2f17177aaf6c99c5b0f79ffa23792155b273ca74857e7a4761f01001757432f3c41a50f0623507c749e501
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Filesize
4.1MB
MD54cac48f42c1abb48c8fbedd4dcdc45eb
SHA15a3dcaf9ce9b320120048b8ef03874a62f7bfb35
SHA256b80c4f969de12b5fd6b4915beac038201fd7934bf8b56c52b401326e7714b663
SHA512ae31094542a90636fda51c69c7a8fe77f748d132e2d13cf658930543b45fd0b743b70ec2f181ae14d6df0a29a1172b767df953600806c603d063614199419de4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec