Analysis
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max time kernel
149s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:42
Static task
static1
Behavioral task
behavioral1
Sample
69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe
Resource
win10v2004-20240508-en
General
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Target
69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe
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Size
4.1MB
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MD5
c8c079d70a3b7ce1dd32cee66cb9221e
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SHA1
ed48772a61424e40c904c886863060ed4237b201
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SHA256
69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72
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SHA512
7f0c8b683922c91d219c16d3d7c92853c11af1a0fb8d2dd89025fdbce92de47b86c34b526f00925782d8ab2c451f553b30fc8eae65f02a13cb850c5fb03f80e5
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SSDEEP
98304:agQj3bYke7IH4UmHBe7fvGvGegFjoB9Y4hH2MnS9a9:Vmkkc0oEfvGFgFjKYMWdg
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2400-2-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral2/memory/2400-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2400-4-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/2400-52-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral2/memory/2400-51-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/2400-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5040-78-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5040-128-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-204-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-209-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-218-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-222-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-226-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-230-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-234-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-238-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-242-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3380-246-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3380 csrss.exe 4572 injector.exe 3188 windefender.exe 3128 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa68-208.dat upx behavioral2/memory/3188-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3128-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3188-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3128-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3128-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 -
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 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe File created C:\Windows\rss\csrss.exe 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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 1744 sc.exe -
pid Process 4076 powershell.exe 2500 powershell.exe 8 powershell.exe 2000 powershell.exe 3812 powershell.exe 1488 powershell.exe 488 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 3424 schtasks.exe 544 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-441 = "Arabian Daylight Time" windefender.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,-141 = "Canada Central Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4076 powershell.exe 4076 powershell.exe 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 2500 powershell.exe 2500 powershell.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 8 powershell.exe 8 powershell.exe 2000 powershell.exe 2000 powershell.exe 3812 powershell.exe 3812 powershell.exe 1488 powershell.exe 1488 powershell.exe 488 powershell.exe 488 powershell.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 3380 csrss.exe 3380 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 3380 csrss.exe 3380 csrss.exe 4572 injector.exe 4572 injector.exe 3380 csrss.exe 3380 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Token: SeImpersonatePrivilege 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 2000 powershell.exe Token: SeDebugPrivilege 3812 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe Token: SeDebugPrivilege 488 powershell.exe Token: SeSystemEnvironmentPrivilege 3380 csrss.exe Token: SeSecurityPrivilege 1744 sc.exe Token: SeSecurityPrivilege 1744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2400 wrote to memory of 4076 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 88 PID 2400 wrote to memory of 4076 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 88 PID 2400 wrote to memory of 4076 2400 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 88 PID 5040 wrote to memory of 2500 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 93 PID 5040 wrote to memory of 2500 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 93 PID 5040 wrote to memory of 2500 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 93 PID 5040 wrote to memory of 4256 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 95 PID 5040 wrote to memory of 4256 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 95 PID 4256 wrote to memory of 1936 4256 cmd.exe 97 PID 4256 wrote to memory of 1936 4256 cmd.exe 97 PID 5040 wrote to memory of 8 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 98 PID 5040 wrote to memory of 8 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 98 PID 5040 wrote to memory of 8 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 98 PID 5040 wrote to memory of 2000 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 100 PID 5040 wrote to memory of 2000 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 100 PID 5040 wrote to memory of 2000 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 100 PID 5040 wrote to memory of 3380 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 103 PID 5040 wrote to memory of 3380 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 103 PID 5040 wrote to memory of 3380 5040 69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe 103 PID 3380 wrote to memory of 3812 3380 csrss.exe 104 PID 3380 wrote to memory of 3812 3380 csrss.exe 104 PID 3380 wrote to memory of 3812 3380 csrss.exe 104 PID 3380 wrote to memory of 1488 3380 csrss.exe 110 PID 3380 wrote to memory of 1488 3380 csrss.exe 110 PID 3380 wrote to memory of 1488 3380 csrss.exe 110 PID 3380 wrote to memory of 488 3380 csrss.exe 112 PID 3380 wrote to memory of 488 3380 csrss.exe 112 PID 3380 wrote to memory of 488 3380 csrss.exe 112 PID 3380 wrote to memory of 4572 3380 csrss.exe 114 PID 3380 wrote to memory of 4572 3380 csrss.exe 114 PID 3188 wrote to memory of 2752 3188 windefender.exe 120 PID 3188 wrote to memory of 2752 3188 windefender.exe 120 PID 3188 wrote to memory of 2752 3188 windefender.exe 120 PID 2752 wrote to memory of 1744 2752 cmd.exe 121 PID 2752 wrote to memory of 1744 2752 cmd.exe 121 PID 2752 wrote to memory of 1744 2752 cmd.exe 121 -
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\69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe"C:\Users\Admin\AppData\Local\Temp\69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4076
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C:\Users\Admin\AppData\Local\Temp\69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.exe"C:\Users\Admin\AppData\Local\Temp\69cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72.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:5040 -
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:2500
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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:4256 -
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:1936
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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:8
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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:2000
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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:3380 -
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:3812
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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:3424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1020
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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:1488
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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:488
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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:4572
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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:544
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3188 -
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:2752 -
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:1744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3128
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
MD5df9aa87590f7f36a492c8ecf47d53c2f
SHA182096566da4f159cfdaa8ceb85d47bd36732632c
SHA256a4458bc9cffaadfa065c3f4b75dd3bef27efac865f01cf3a38edd2d754822c29
SHA512ab5036c2f86f5110728e673b0f3af7418a976a8d411831e998b8f8b532ee2a90fae86a7f55a2acf2bed797de04f26e7a6c4e7ff38f4fade61082e95dd3e27a67
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579de089f0cfe551db3382e9bafc07d15
SHA185f5c9a0ab24827c64db0f35f77fd99a5ba3fdd9
SHA2566c9c3a662565559c03fc0f768688946606df9b13442f08f2a73e52cd3cf7b1b7
SHA512b7b297067fbc61ddd9e63eb192d5c020dcf55c18e08779542e929099c369f89f6fc053c4e01fdc92de66364b0399a4fabb7741bcf4482bc36388264be44bea40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596adceb03a589fec94ccfb620c4e1988
SHA17c579541a994dd32f0a0053d86be0b4ca75e2cfe
SHA25651804b288d61738b0752768db82f47d51505228fcce7457190f9bc1c2410288e
SHA5125b2972da5f29cd5bee70aff80311bae907a88c6a10fa362b0c406cb2f410cd93cb2f63a3295989b6c07cf82a22b68a579ab3c19c2fb6a7a6c69ea7e34427eba6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591da988f5d22cf5cef7062886dab3a56
SHA1cefd82915ab82b515f64aa95c40e0aa383690c10
SHA25671a52795bf208781db89a8d38e987d5595346d685fd0f50e3112e756b0644420
SHA5126ec1598829f787c68019b9831b1d104c850759356efbc4601756869edc5f5d4bbeebd00152deab1fd6528b5d7b36a82b8ac07ffaf36d529b7cc94d7e28a5f694
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c0ed518155920dab76c2c4f7fa34d22
SHA10dea5f932da13d17448a709596d6903a79f4b837
SHA256aca3f8b2ded5c64f950894f275f35c1a7f26ece331f6b08c0df493c97553156a
SHA512b766b2ab9644a6bc540df9d0c99d6b454b4ffc1ad4508cb9baf6d25cb3b2f80ac185c4e0309dc8870af5c7546163018033f7f539419d1de255c84184cf2cd0d0
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Filesize
4.1MB
MD5c8c079d70a3b7ce1dd32cee66cb9221e
SHA1ed48772a61424e40c904c886863060ed4237b201
SHA25669cc43dd0b1a8ee07af53df3fdfa42d70352ed62bda324c20b81ccde196e1f72
SHA5127f0c8b683922c91d219c16d3d7c92853c11af1a0fb8d2dd89025fdbce92de47b86c34b526f00925782d8ab2c451f553b30fc8eae65f02a13cb850c5fb03f80e5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec