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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 05:35
Static task
static1
Behavioral task
behavioral1
Sample
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe
Resource
win10v2004-20240426-en
General
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Target
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe
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Size
4.1MB
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MD5
e8d84c1fe143e493b39d54b3899e5db0
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SHA1
cb32af16679bf878bc6b4e78b999a84cd662511b
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SHA256
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86
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SHA512
1f3668f31d489f2da13f784da35261efa4f70b429b73d713d04a45bafddbfee86faa4af66110cd273c9fd439f8465452393953dc06c76e496481a065f60fee65
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SSDEEP
98304:UWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YG:UW16ulMesXlnBp/sjruCqmtIOvap
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4644-2-0x00000000045A0000-0x0000000004E8B000-memory.dmp family_glupteba behavioral1/memory/4644-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4644-48-0x00000000045A0000-0x0000000004E8B000-memory.dmp family_glupteba behavioral1/memory/4644-46-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/4644-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2156-132-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-214-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-224-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-226-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-228-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-230-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-234-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-236-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-238-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-240-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-242-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-244-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/232-246-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2668 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 232 csrss.exe 3488 injector.exe 3968 windefender.exe 4636 windefender.exe -
resource yara_rule behavioral1/memory/3968-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000800000002343f-218.dat upx behavioral1/memory/3968-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4636-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4636-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4636-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 -
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 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe File created C:\Windows\rss\csrss.exe 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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 4564 sc.exe -
pid Process 1556 powershell.exe 4588 powershell.exe 5016 powershell.exe 1556 powershell.exe 4080 powershell.exe 4440 powershell.exe 1544 powershell.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 376 4588 WerFault.exe 84 5056 4644 WerFault.exe 82 1632 2156 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2188 schtasks.exe 4176 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,-81 = "Atlantic Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard 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,-442 = "Arabian Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran 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" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.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" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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,-172 = "Central Standard Time (Mexico)" windefender.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,-2161 = "Altai Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4588 powershell.exe 4588 powershell.exe 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 5016 powershell.exe 5016 powershell.exe 5016 powershell.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1556 powershell.exe 1556 powershell.exe 4080 powershell.exe 4080 powershell.exe 4080 powershell.exe 4440 powershell.exe 4440 powershell.exe 4440 powershell.exe 1544 powershell.exe 1544 powershell.exe 1544 powershell.exe 1556 powershell.exe 1556 powershell.exe 1556 powershell.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 232 csrss.exe 232 csrss.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 232 csrss.exe 232 csrss.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 232 csrss.exe 232 csrss.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe 3488 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Token: SeImpersonatePrivilege 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeSystemEnvironmentPrivilege 232 csrss.exe Token: SeSecurityPrivilege 4564 sc.exe Token: SeSecurityPrivilege 4564 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4644 wrote to memory of 4588 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 126 PID 4644 wrote to memory of 4588 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 126 PID 4644 wrote to memory of 4588 4644 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 126 PID 2156 wrote to memory of 5016 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 100 PID 2156 wrote to memory of 5016 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 100 PID 2156 wrote to memory of 5016 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 100 PID 2156 wrote to memory of 3020 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 105 PID 2156 wrote to memory of 3020 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 105 PID 3020 wrote to memory of 2668 3020 cmd.exe 107 PID 3020 wrote to memory of 2668 3020 cmd.exe 107 PID 2156 wrote to memory of 1556 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 125 PID 2156 wrote to memory of 1556 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 125 PID 2156 wrote to memory of 1556 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 125 PID 2156 wrote to memory of 4080 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 112 PID 2156 wrote to memory of 4080 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 112 PID 2156 wrote to memory of 4080 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 112 PID 2156 wrote to memory of 232 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 114 PID 2156 wrote to memory of 232 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 114 PID 2156 wrote to memory of 232 2156 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 114 PID 232 wrote to memory of 4440 232 csrss.exe 117 PID 232 wrote to memory of 4440 232 csrss.exe 117 PID 232 wrote to memory of 4440 232 csrss.exe 117 PID 232 wrote to memory of 1544 232 csrss.exe 123 PID 232 wrote to memory of 1544 232 csrss.exe 123 PID 232 wrote to memory of 1544 232 csrss.exe 123 PID 232 wrote to memory of 1556 232 csrss.exe 125 PID 232 wrote to memory of 1556 232 csrss.exe 125 PID 232 wrote to memory of 1556 232 csrss.exe 125 PID 232 wrote to memory of 3488 232 csrss.exe 127 PID 232 wrote to memory of 3488 232 csrss.exe 127 PID 3968 wrote to memory of 4708 3968 windefender.exe 133 PID 3968 wrote to memory of 4708 3968 windefender.exe 133 PID 3968 wrote to memory of 4708 3968 windefender.exe 133 PID 4708 wrote to memory of 4564 4708 cmd.exe 134 PID 4708 wrote to memory of 4564 4708 cmd.exe 134 PID 4708 wrote to memory of 4564 4708 cmd.exe 134 -
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\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 25283⤵
- Program crash
PID:376
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C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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:2156 -
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:5016
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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:3020 -
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:2668
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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:1556
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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:4080
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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:232 -
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:4440
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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:4176
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1056
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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:1544
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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:1556 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4588
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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:3488
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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:2188
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968 -
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:4708 -
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:4564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 6723⤵
- Program crash
PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 8842⤵
- Program crash
PID:5056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4588 -ip 45881⤵PID:1896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4644 -ip 46441⤵PID:4220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2156 -ip 21561⤵PID:3012
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4636
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f18326e9449bede1ef46a7a00c570f6
SHA1709a21a08e7d5d70b1a5c7f864b3b112ddc213be
SHA25606b469b0c982e6fce64146c853b4563c9b476cd7eb5bf51cac1df0ae63613371
SHA512c8b21b8f62b6fd1a9b7a11a8456347d977a63fad179a6eee2df58f76cca1a8a9e828e924a0961c11bba141844d45fa8400e0ea267a761d79afda71fe820c8e37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5678709502baf75c644fe9d8f02c53835
SHA13485d20d6a05a8f248694dd9a417b36840297260
SHA25663b8c363c208e10f20313a8da2e46cb8e03569aba4b9cbe7906e43d8457fcecd
SHA51213afd221314e3d60dafd24bb91b540adddc0c6543c2d796d5e743030aed661842a1d2910803acae73f939cdad1fe40b4fb2c8bbbb4a690a393777a2e0c52f2d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5405d3345d890ff83ccdd3953018b4153
SHA17448610f1cec08def9c903f664fe52f8b92b0866
SHA256a6c1998538e20007ee36117078b1f9104997e5a7185fdca476d68adcf2ede488
SHA512cb4c8537301431e231e359937436baa82b7564f20722912bee37926126909ac3d89cecf0a95cc7081149fb13ef58a1b7175dbfff52ca2e69421e1c6df5434507
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b533423907e69f5feb70004584e17830
SHA154110c1d6e90581854795a2b08e1326cd9cf0f56
SHA256b1f9ce1f46613a29e40e39e1ed62048fd28d61c75eee9fe3758f390978caf60b
SHA512d5206a77d827d0bdeeba2d084e2656df3b5e8e726961adb4f20b6accc52ac0c68955685b5705febe266b4103548a3808b64181c0b2f4242cab6f3c17358faa0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c46098fc9481e03f4ae72796881dc9d
SHA1f9bd5a53a498a3dbc4117ffbf052f35e17b7facd
SHA25689473f80144177378df5adb8c124b8fd9012d21fddee9ee3c0d4d0d230fdcb43
SHA51242d41c359ae4bfd11949ac45a311bc1c9e7019fbac01da9e48f6f9b2ab2b33bec9cdeb06dd8f322820606cb2a6c2a0140f4ac9d5296c41f32b102aff5df4f501
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Filesize
4.1MB
MD5e8d84c1fe143e493b39d54b3899e5db0
SHA1cb32af16679bf878bc6b4e78b999a84cd662511b
SHA25624139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86
SHA5121f3668f31d489f2da13f784da35261efa4f70b429b73d713d04a45bafddbfee86faa4af66110cd273c9fd439f8465452393953dc06c76e496481a065f60fee65
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec