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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 05:02
Static task
static1
Behavioral task
behavioral1
Sample
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe
Resource
win10v2004-20240419-en
General
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Target
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe
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Size
4.1MB
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MD5
3fff1709ab827188d41245553490b5ef
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SHA1
0231ae95110919343a92b9ba41cb2605145def50
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SHA256
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f
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SHA512
a0c9af6e60e7605fa2f7e70b2e3434cc4241d9e44c8b3918dfcf4bd82aa824f2056ad01475872811ab15145457abfb23298d661cde60424877bf2d8a99d5dd60
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SSDEEP
98304:RbZcLP9l1tcJhxzLhmFHqqdwhWdOAMupoiBwFqp0C:zCIbxJm/ihWwOZUqGC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3480-2-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral2/memory/3480-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3480-72-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/3480-79-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral2/memory/1560-124-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/3480-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2436-202-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-212-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-216-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-218-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-221-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-224-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-228-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-230-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-233-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-237-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-240-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-242-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral2/memory/2436-245-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4636 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2436 csrss.exe 2208 injector.exe 3964 windefender.exe 5032 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-205.dat upx behavioral2/memory/3964-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5032-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3964-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5032-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5032-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\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\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 File created 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 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe File created C:\Windows\rss\csrss.exe 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.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 2988 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4980 schtasks.exe 2528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-105 = "Central Brazilian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard 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,-442 = "Arabian Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2041 = "Eastern Daylight Time (Mexico)" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.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,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-342 = "Egypt Standard Time" windefender.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 568 powershell.exe 568 powershell.exe 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 3788 powershell.exe 3788 powershell.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 3420 powershell.exe 3420 powershell.exe 4012 powershell.exe 4012 powershell.exe 4500 powershell.exe 4500 powershell.exe 1680 powershell.exe 1680 powershell.exe 2504 powershell.exe 2504 powershell.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2436 csrss.exe 2436 csrss.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2436 csrss.exe 2436 csrss.exe 2208 injector.exe 2208 injector.exe 2436 csrss.exe 2436 csrss.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Token: SeImpersonatePrivilege 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 4012 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 1680 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeSystemEnvironmentPrivilege 2436 csrss.exe Token: SeSecurityPrivilege 2988 sc.exe Token: SeSecurityPrivilege 2988 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3480 wrote to memory of 568 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 82 PID 3480 wrote to memory of 568 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 82 PID 3480 wrote to memory of 568 3480 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 82 PID 1560 wrote to memory of 3788 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 87 PID 1560 wrote to memory of 3788 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 87 PID 1560 wrote to memory of 3788 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 87 PID 1560 wrote to memory of 1592 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 89 PID 1560 wrote to memory of 1592 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 89 PID 1592 wrote to memory of 4636 1592 cmd.exe 91 PID 1592 wrote to memory of 4636 1592 cmd.exe 91 PID 1560 wrote to memory of 3420 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 92 PID 1560 wrote to memory of 3420 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 92 PID 1560 wrote to memory of 3420 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 92 PID 1560 wrote to memory of 4012 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 94 PID 1560 wrote to memory of 4012 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 94 PID 1560 wrote to memory of 4012 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 94 PID 1560 wrote to memory of 2436 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 96 PID 1560 wrote to memory of 2436 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 96 PID 1560 wrote to memory of 2436 1560 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 96 PID 2436 wrote to memory of 4500 2436 csrss.exe 97 PID 2436 wrote to memory of 4500 2436 csrss.exe 97 PID 2436 wrote to memory of 4500 2436 csrss.exe 97 PID 2436 wrote to memory of 1680 2436 csrss.exe 102 PID 2436 wrote to memory of 1680 2436 csrss.exe 102 PID 2436 wrote to memory of 1680 2436 csrss.exe 102 PID 2436 wrote to memory of 2504 2436 csrss.exe 105 PID 2436 wrote to memory of 2504 2436 csrss.exe 105 PID 2436 wrote to memory of 2504 2436 csrss.exe 105 PID 2436 wrote to memory of 2208 2436 csrss.exe 107 PID 2436 wrote to memory of 2208 2436 csrss.exe 107 PID 3964 wrote to memory of 4440 3964 windefender.exe 113 PID 3964 wrote to memory of 4440 3964 windefender.exe 113 PID 3964 wrote to memory of 4440 3964 windefender.exe 113 PID 4440 wrote to memory of 2988 4440 cmd.exe 114 PID 4440 wrote to memory of 2988 4440 cmd.exe 114 PID 4440 wrote to memory of 2988 4440 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\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.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:1560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3788
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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:1592 -
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:4636
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3420
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4012
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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:2436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4500
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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:4980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2640
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1680
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504
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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:2208
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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:2528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3964 -
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:4440 -
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:2988
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5032
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
MD51c1c9ec8573b0de3571a356cd7160a58
SHA158f4b78b0635bc0174ee8d6f422345bb198bb5d9
SHA256f937ab34580d24890bbb3e55f509019a9227498dbfe0467b43a4fec720fb081e
SHA5125d539709dc4d578ff048e5ea0c49a3140333466e52ea5518eb2a0e72a15679581210e0486f9144503cb39cf327e13ee2211f809e520c33fd5ef1a73bbe42564c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7efaadaa284e2061214994461c7b128
SHA141971f33f0779245f2c64aa01fef7ed71a9ac151
SHA256ecbd9ea75ec4cc3b0fbb35a18a7c30d33ee69db07e141600de69f3a805e74f97
SHA512e0a6ee443126a820a99f7c2cd4d33565c2aa6c4f3e54f2265e802e9fea253552d6330e8038db41bd0aad2c2c3689426c00581d2178b67a6084192d96f8e663b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee81d89048f2e2dc3cff024cf8d77b56
SHA116f6d20d14bf9af4d4b053d238283397168213fe
SHA2562b2b23d86a39727bac9dd1aef9f5c128e096f1d0aa359f422dabbdbb6d49cf35
SHA51237754e39f4e57ae8f1505eb3fa926b0ee28e7637948fd65caf19eb40fa98fbbe0a78a0e2954ca8ea82a7c78892fdaebff8da8f9c7f156d744d01bf5e6bde695b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57778857e3e374bb536c7cd573d5783cf
SHA110bd1dc0ea7324fed8e453ba95224de6cff03dca
SHA25663899326165f8a5128895daaae04256517946b4cf6420ba3fc8310a909f2fa45
SHA512204336a82435ce8529ab53118f0b1f4eb9f73f175c858d0debe45f8a5b828f2da38a32ae76e141c14be73f28be2089879c496e391a84769d590abf5eabc9ac41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55be918aceea135cca5e10f1c775eedaa
SHA1e7f8e43384c22ffecc37df6b93e66d5ab7b6a445
SHA256d8b2e30a0b74cbedbaab9c686311bc75b0a9d781bacdec662d60393f64addfba
SHA512995452268490bc8c1afa702d815b9218a908951931bacca07258d7638386fe33241a21d720c93d1580ec24d640f3760bc9e4198052aef6c07bb30bdc4f6d04df
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Filesize
4.1MB
MD53fff1709ab827188d41245553490b5ef
SHA10231ae95110919343a92b9ba41cb2605145def50
SHA25655e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f
SHA512a0c9af6e60e7605fa2f7e70b2e3434cc4241d9e44c8b3918dfcf4bd82aa824f2056ad01475872811ab15145457abfb23298d661cde60424877bf2d8a99d5dd60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec