Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:33
Static task
static1
Behavioral task
behavioral1
Sample
653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe
Resource
win10v2004-20240508-en
General
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Target
653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe
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Size
4.1MB
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MD5
32b2d806f6f5abb56dc9d9938208ca19
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SHA1
45133bcba426eb4a081911dff8c21ff71334118e
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SHA256
653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1
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SHA512
127f96669f14f36d69446809baaaaa068a8d53252598a7b1c18d095fe811e6afe0017a69c4c61919e321e09e69c665efc1c7f255ef4edfa7d7cb9f762812fcf8
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SSDEEP
98304:Md7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnEre:ORMSLQaVNfPUP9FaqUIATxXaCdFFREnn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2312-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/2312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2312-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2312-54-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/2840-65-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2312-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2840-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-175-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4688-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4688 csrss.exe 1872 injector.exe 3688 windefender.exe 748 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa34-209.dat upx behavioral2/memory/3688-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3688-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe File created C:\Windows\rss\csrss.exe 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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 4360 sc.exe -
pid Process 2960 powershell.exe 3024 powershell.exe 1908 powershell.exe 2468 powershell.exe 1340 powershell.exe 2908 powershell.exe 3104 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 3136 schtasks.exe 3680 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,-1912 = "Russia TZ 10 Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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,-622 = "Korea Standard Time" 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" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" 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,-842 = "Argentina Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-111 = "Eastern Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1340 powershell.exe 1340 powershell.exe 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2908 powershell.exe 2908 powershell.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 3104 powershell.exe 3104 powershell.exe 2960 powershell.exe 2960 powershell.exe 3024 powershell.exe 3024 powershell.exe 1908 powershell.exe 1908 powershell.exe 2468 powershell.exe 2468 powershell.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 4688 csrss.exe 4688 csrss.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 4688 csrss.exe 4688 csrss.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 4688 csrss.exe 4688 csrss.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe 1872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1340 powershell.exe Token: SeDebugPrivilege 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Token: SeImpersonatePrivilege 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeSystemEnvironmentPrivilege 4688 csrss.exe Token: SeSecurityPrivilege 4360 sc.exe Token: SeSecurityPrivilege 4360 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2312 wrote to memory of 1340 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 84 PID 2312 wrote to memory of 1340 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 84 PID 2312 wrote to memory of 1340 2312 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 84 PID 2840 wrote to memory of 2908 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 89 PID 2840 wrote to memory of 2908 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 89 PID 2840 wrote to memory of 2908 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 89 PID 2840 wrote to memory of 1380 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 91 PID 2840 wrote to memory of 1380 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 91 PID 1380 wrote to memory of 3372 1380 cmd.exe 93 PID 1380 wrote to memory of 3372 1380 cmd.exe 93 PID 2840 wrote to memory of 3104 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 94 PID 2840 wrote to memory of 3104 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 94 PID 2840 wrote to memory of 3104 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 94 PID 2840 wrote to memory of 2960 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 96 PID 2840 wrote to memory of 2960 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 96 PID 2840 wrote to memory of 2960 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 96 PID 2840 wrote to memory of 4688 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 98 PID 2840 wrote to memory of 4688 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 98 PID 2840 wrote to memory of 4688 2840 653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe 98 PID 4688 wrote to memory of 3024 4688 csrss.exe 99 PID 4688 wrote to memory of 3024 4688 csrss.exe 99 PID 4688 wrote to memory of 3024 4688 csrss.exe 99 PID 4688 wrote to memory of 1908 4688 csrss.exe 105 PID 4688 wrote to memory of 1908 4688 csrss.exe 105 PID 4688 wrote to memory of 1908 4688 csrss.exe 105 PID 4688 wrote to memory of 2468 4688 csrss.exe 107 PID 4688 wrote to memory of 2468 4688 csrss.exe 107 PID 4688 wrote to memory of 2468 4688 csrss.exe 107 PID 4688 wrote to memory of 1872 4688 csrss.exe 109 PID 4688 wrote to memory of 1872 4688 csrss.exe 109 PID 3688 wrote to memory of 5072 3688 windefender.exe 115 PID 3688 wrote to memory of 5072 3688 windefender.exe 115 PID 3688 wrote to memory of 5072 3688 windefender.exe 115 PID 5072 wrote to memory of 4360 5072 cmd.exe 116 PID 5072 wrote to memory of 4360 5072 cmd.exe 116 PID 5072 wrote to memory of 4360 5072 cmd.exe 116 -
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\653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe"C:\Users\Admin\AppData\Local\Temp\653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1340
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C:\Users\Admin\AppData\Local\Temp\653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.exe"C:\Users\Admin\AppData\Local\Temp\653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1.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:2840 -
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:2908
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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:1380 -
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:3372
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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:3104
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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:2960
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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:4688 -
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:3024
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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:3136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4944
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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:1908
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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:2468
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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:1872
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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:3680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3688 -
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:5072 -
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:4360
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:748
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
MD580993054a6efaa727ab710ed8486b82d
SHA1de095ad13e16f85f65e024b14b975f679a5beb7d
SHA256cff0e0760f781fd2af7b919dbc1c9586370f5154cc28bad585877ae07f1a19e7
SHA51208c8cb5c5b5447c01210d962ed1b49a037f1a65ead69f5856f8b14ab1ae3e5ed3b62f5bd71543e7eb78fb8e0369f92c40de47665af393405ff92319a7270e8f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b62890282d3258d64298f6fb8f4ac804
SHA1f837e01aa1f3948e58fa31b6b6bf4d6067b511f0
SHA256b4672a9e606b05ee8d580fb68c421dc42f23f21f97c2c99f0adea29e70a8aefe
SHA5123b209fca9d9521aac45256961ad60c9c9aaf397371c2b90a0aa9a920de01f7371e145799c94f1a290aae3d4f3d6008ded6cc5c77189ba60549ac1a1b3d378286
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD514de5f3a2c14d17b58b3edd7c6917036
SHA1ded7f1b827354f586eb90e2d77df78447b34e929
SHA2560451712acd72d0dd04eba053213a7c0327c8948ac868642a53e03f8b60ff73af
SHA512a856660b897931a27b2fb6bc90e81aa1a91784a2a9e30b8d51267797a124b085cfe41d1169a226022659f462e23f5ec3145b4c627b9bfb03a47e127b258edc2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c0a04c942eba74336a0cae951dc5c4f
SHA16c43f01f39501e9fca9542bfeabb76ac2b72c317
SHA2561a0b4ae06dcfbfb0398dc249f2dafc3ee9e1e291bdeb57a7907fdef85c7de2e2
SHA512b0aa0f387e03a1cba3a6ba3ce6118cf1f1b3645544168ca4473df27be6eed3cd786a0771e697819e53a34ee714f5bab3c851bd600da6aead43bfb4f509ad457e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a69923a6f6e734fa8dd7b628114741e8
SHA1014c16f637fd7e810dbc728117946597e110638e
SHA256269b26832826ef88c026638209e3c986f49c6dab87c230dfd567db2eb150dc01
SHA512c0de222edaf0238a9325e4525b4d59065c24801abdd2165d7f3fa4906b0d34bbe9ef3bcc78180b035fe1fc17490a3fb2010683cf6a810b67cb1b9f55d0328b5c
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Filesize
4.1MB
MD532b2d806f6f5abb56dc9d9938208ca19
SHA145133bcba426eb4a081911dff8c21ff71334118e
SHA256653b2d7d12e25b6f0317d60020278d0c1c0b407960ce0252511d0ad7ed41c8a1
SHA512127f96669f14f36d69446809baaaaa068a8d53252598a7b1c18d095fe811e6afe0017a69c4c61919e321e09e69c665efc1c7f255ef4edfa7d7cb9f762812fcf8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec