Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2023 07:53
Static task
static1
General
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Target
83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe
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Size
4.1MB
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MD5
2b1dcdc1fdf8697cf4a1c07eea031fa1
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SHA1
6b5cb7e331a0522a4fd0f10cb277fe42f6019666
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SHA256
83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954
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SHA512
6fb13b99d90e4641ff9d7a8c57998f3cb7916eba19dc99667da7959c1900e5371b0b1ec931fcbedb2410bb166909e2d29c7f5bc47a4880eb04495357d684a7ee
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SSDEEP
98304:ZDYN209W2T8E9IJqa870LeNIZlDn2Z7jE5hPsM:B09W2R9Is3uKIZsAsM
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/5080-2-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral1/memory/5080-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5080-22-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral1/memory/5080-23-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5080-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4836-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4836-75-0x0000000002B10000-0x0000000002F0E000-memory.dmp family_glupteba behavioral1/memory/4836-91-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4836-140-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4836-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-252-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-262-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3048-300-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2284 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3048 csrss.exe 2992 injector.exe 1304 windefender.exe 4828 windefender.exe 5088 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0008000000022e6e-265.dat upx behavioral1/files/0x0008000000022e6e-267.dat upx behavioral1/files/0x0008000000022e6e-268.dat upx behavioral1/memory/1304-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0006000000022e6f-296.dat upx behavioral1/files/0x0006000000022e6f-298.dat upx behavioral1/memory/4828-299-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5088-303-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/5088-305-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe File created C:\Windows\rss\csrss.exe 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.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 4684 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 2420 schtasks.exe 4656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4428 powershell.exe 4428 powershell.exe 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4356 powershell.exe 4356 powershell.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 4484 powershell.exe 4484 powershell.exe 2796 powershell.exe 2796 powershell.exe 4064 powershell.exe 4064 powershell.exe 3592 powershell.exe 3592 powershell.exe 2532 powershell.exe 2532 powershell.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 3048 csrss.exe 3048 csrss.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 3048 csrss.exe 3048 csrss.exe 2992 injector.exe 2992 injector.exe 3048 csrss.exe 3048 csrss.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Token: SeImpersonatePrivilege 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 3592 powershell.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeSystemEnvironmentPrivilege 3048 csrss.exe Token: SeSecurityPrivilege 4684 sc.exe Token: SeSecurityPrivilege 4684 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 5080 wrote to memory of 4428 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 91 PID 5080 wrote to memory of 4428 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 91 PID 5080 wrote to memory of 4428 5080 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 91 PID 4836 wrote to memory of 4356 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 96 PID 4836 wrote to memory of 4356 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 96 PID 4836 wrote to memory of 4356 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 96 PID 4836 wrote to memory of 1240 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 99 PID 4836 wrote to memory of 1240 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 99 PID 1240 wrote to memory of 2284 1240 cmd.exe 101 PID 1240 wrote to memory of 2284 1240 cmd.exe 101 PID 4836 wrote to memory of 4484 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 102 PID 4836 wrote to memory of 4484 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 102 PID 4836 wrote to memory of 4484 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 102 PID 4836 wrote to memory of 2796 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 104 PID 4836 wrote to memory of 2796 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 104 PID 4836 wrote to memory of 2796 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 104 PID 4836 wrote to memory of 3048 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 107 PID 4836 wrote to memory of 3048 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 107 PID 4836 wrote to memory of 3048 4836 83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe 107 PID 3048 wrote to memory of 4064 3048 csrss.exe 108 PID 3048 wrote to memory of 4064 3048 csrss.exe 108 PID 3048 wrote to memory of 4064 3048 csrss.exe 108 PID 3048 wrote to memory of 3592 3048 csrss.exe 114 PID 3048 wrote to memory of 3592 3048 csrss.exe 114 PID 3048 wrote to memory of 3592 3048 csrss.exe 114 PID 3048 wrote to memory of 2532 3048 csrss.exe 116 PID 3048 wrote to memory of 2532 3048 csrss.exe 116 PID 3048 wrote to memory of 2532 3048 csrss.exe 116 PID 3048 wrote to memory of 2992 3048 csrss.exe 118 PID 3048 wrote to memory of 2992 3048 csrss.exe 118 PID 1304 wrote to memory of 3536 1304 windefender.exe 124 PID 1304 wrote to memory of 3536 1304 windefender.exe 124 PID 1304 wrote to memory of 3536 1304 windefender.exe 124 PID 3536 wrote to memory of 4684 3536 cmd.exe 125 PID 3536 wrote to memory of 4684 3536 cmd.exe 125 PID 3536 wrote to memory of 4684 3536 cmd.exe 125 PID 3048 wrote to memory of 5088 3048 csrss.exe 127 PID 3048 wrote to memory of 5088 3048 csrss.exe 127 PID 3048 wrote to memory of 5088 3048 csrss.exe 127 -
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\83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe"C:\Users\Admin\AppData\Local\Temp\83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Users\Admin\AppData\Local\Temp\83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.exe"C:\Users\Admin\AppData\Local\Temp\83b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954.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:4836 -
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:4356
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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:1240 -
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:2284
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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:4484
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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:2796
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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:3048 -
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:4064
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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:2420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5076
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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:3592
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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:2532
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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:2992
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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:4656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1304 -
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:3536 -
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:4684
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:5088 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2184
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4828
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdc4b1c73dbe92e1db487b177e65175c
SHA1d054849a2a34ebee115f2ffa7c1f0d24316ccac0
SHA2560cca24787fa2170a0ac7b4930d09a990671b74a35022b2eb9ce422e790b644e6
SHA5125c6af048563db416bae756ae63ffcec053fdfd4f586683ab52eb0a1890e11e5ada6e30e91c3c3408242c65495d3bc23d2eb202b583fb687fc5e2867e2b5c94dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ea6678057cb9c688f98e57e6fb668f8
SHA1f70e40067aa2cdd642b4a825a66c51f5ef673630
SHA2562e9b18ac534c175930447189982a73b803134887f0b14d07a1fd21d8899da542
SHA512702b6bec04a9cd3182ebbbac9432ced360bde60853893708b446a9e2fced99844fcd7f127b2be2fb53bff198766a70d83173eed65ba379d9b1bc9b50571e9e34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3b06e72dd611161219628ab8cd592f2
SHA174d56541951ff659c2640b58e642725a87a83460
SHA256277ddae15144f50f6812a0eff8ddaedf2e5afae365fb858365de76fbc4594614
SHA512bccb5ba82093a562919997a9b80967b6c50f1970e98ab8f7553a3cd423e0dbaea085269318def1a1b6695b14e1d05ca32a21631c57224a620e68911014802883
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d028dbbb57d987a703419cc6b5f22dc
SHA15a102b0d2e78a4167866588eb83490cb0ff14223
SHA2560d0b05d8e3f14e64164fa087dde9579468d83c6f21a20004999759c96f482740
SHA512cd1b3766e9e10954762268e8165db3d73931e3b54f24f434cec17bca3775985704d7b18e571ca856fbf0987bd7485bef1fe9d827806c76ed9e8db004bf465764
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c525e09fa42d51484afe0f13e90ae13
SHA179336bbc201d4314454cf35380008deaab44a3ee
SHA256519669a5c58f4d343b6f4625168a03f2b123f763521d1e18b8f874117e4ce08e
SHA512f18d81114b24469e8c8aa181fe64659488de833786c3e9b8770c92f36a6c0af403a14fd99171232b39187b21113f03ee453e7b68e94272cc178267aef1e232d6
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Filesize
4.1MB
MD52b1dcdc1fdf8697cf4a1c07eea031fa1
SHA16b5cb7e331a0522a4fd0f10cb277fe42f6019666
SHA25683b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954
SHA5126fb13b99d90e4641ff9d7a8c57998f3cb7916eba19dc99667da7959c1900e5371b0b1ec931fcbedb2410bb166909e2d29c7f5bc47a4880eb04495357d684a7ee
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Filesize
4.1MB
MD52b1dcdc1fdf8697cf4a1c07eea031fa1
SHA16b5cb7e331a0522a4fd0f10cb277fe42f6019666
SHA25683b2ebbdb009adb61522e1e8d9e0529265a34a90b5b5e2b300306887f64c4954
SHA5126fb13b99d90e4641ff9d7a8c57998f3cb7916eba19dc99667da7959c1900e5371b0b1ec931fcbedb2410bb166909e2d29c7f5bc47a4880eb04495357d684a7ee
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec