Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-04-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe
Resource
win10v2004-20240419-en
General
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Target
348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe
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Size
4.2MB
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MD5
9ab922abd0438dba99643badfb681b6e
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SHA1
33f717b13784a2c9d1254e4d69840fbfacf32ecd
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SHA256
348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2
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SHA512
a5a85ecb5ea17bbfe72ccd8854928455adefd68c6007a5559550069c3766eb1b2626940a37b29f35e721c6743725bf239a4412f8484fbc45a0b06a6e19719884
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SSDEEP
98304:9aWQgq6FELbNw8ObYaaP9ECvxRKPPXVE+y2h2Dj/C3UgNRtyP0:9EgVEC8ZaE9ECvxRKPPFWT/C3tftyP0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4976-2-0x0000000004700000-0x0000000004FEB000-memory.dmp family_glupteba behavioral2/memory/4976-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4976-134-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4976-169-0x0000000004700000-0x0000000004FEB000-memory.dmp family_glupteba behavioral2/memory/556-192-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-200-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-211-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-215-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-219-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-222-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-231-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-235-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-238-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-243-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-247-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-251-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1180-258-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3048 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1180 csrss.exe 2860 injector.exe 3048 windefender.exe 4748 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f2-204.dat upx behavioral2/memory/3048-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4748-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3048-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4748-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4748-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4748-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe File created C:\Windows\rss\csrss.exe 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.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 904 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 4468 schtasks.exe 1188 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard 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" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 760 powershell.exe 760 powershell.exe 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 4956 powershell.exe 4956 powershell.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 3324 powershell.exe 3324 powershell.exe 232 powershell.exe 232 powershell.exe 4656 powershell.exe 4656 powershell.exe 3000 powershell.exe 3000 powershell.exe 760 powershell.exe 760 powershell.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 1180 csrss.exe 1180 csrss.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 1180 csrss.exe 1180 csrss.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 1180 csrss.exe 1180 csrss.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe 2860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Token: SeImpersonatePrivilege 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeSystemEnvironmentPrivilege 1180 csrss.exe Token: SeSecurityPrivilege 904 sc.exe Token: SeSecurityPrivilege 904 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4976 wrote to memory of 760 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 81 PID 4976 wrote to memory of 760 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 81 PID 4976 wrote to memory of 760 4976 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 81 PID 556 wrote to memory of 4956 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 87 PID 556 wrote to memory of 4956 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 87 PID 556 wrote to memory of 4956 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 87 PID 556 wrote to memory of 1800 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 89 PID 556 wrote to memory of 1800 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 89 PID 1800 wrote to memory of 3048 1800 cmd.exe 91 PID 1800 wrote to memory of 3048 1800 cmd.exe 91 PID 556 wrote to memory of 3324 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 92 PID 556 wrote to memory of 3324 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 92 PID 556 wrote to memory of 3324 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 92 PID 556 wrote to memory of 232 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 94 PID 556 wrote to memory of 232 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 94 PID 556 wrote to memory of 232 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 94 PID 556 wrote to memory of 1180 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 96 PID 556 wrote to memory of 1180 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 96 PID 556 wrote to memory of 1180 556 348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe 96 PID 1180 wrote to memory of 4656 1180 csrss.exe 97 PID 1180 wrote to memory of 4656 1180 csrss.exe 97 PID 1180 wrote to memory of 4656 1180 csrss.exe 97 PID 1180 wrote to memory of 3000 1180 csrss.exe 103 PID 1180 wrote to memory of 3000 1180 csrss.exe 103 PID 1180 wrote to memory of 3000 1180 csrss.exe 103 PID 1180 wrote to memory of 760 1180 csrss.exe 105 PID 1180 wrote to memory of 760 1180 csrss.exe 105 PID 1180 wrote to memory of 760 1180 csrss.exe 105 PID 1180 wrote to memory of 2860 1180 csrss.exe 107 PID 1180 wrote to memory of 2860 1180 csrss.exe 107 PID 3048 wrote to memory of 2104 3048 windefender.exe 113 PID 3048 wrote to memory of 2104 3048 windefender.exe 113 PID 3048 wrote to memory of 2104 3048 windefender.exe 113 PID 2104 wrote to memory of 904 2104 cmd.exe 114 PID 2104 wrote to memory of 904 2104 cmd.exe 114 PID 2104 wrote to memory of 904 2104 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe"C:\Users\Admin\AppData\Local\Temp\348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:760
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C:\Users\Admin\AppData\Local\Temp\348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.exe"C:\Users\Admin\AppData\Local\Temp\348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2.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:556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4956
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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:1800 -
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:3048
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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:3324
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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:232
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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:1180 -
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:4656
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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:4468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1312
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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:3000
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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:760
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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:2860
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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:1188
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3048 -
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:2104 -
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:904
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4748
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
MD5b603385a21439e444d08644e3d472f48
SHA1f2bf8570bdacb5da6fa3be5166f664733e9330fe
SHA256fb7960c28403ef048fecbe991f4f43de96367b364bcaf3e0dfd3f07e8ab479c8
SHA5124f2b9599bebe1dcee1040ba4715cb2b199a9907142c114ca1e6fdbd1fb69ef47e96c0ffc99ef4e5cdc959c6e3849017e4e04eaa0b18bd9d214c5f8cbb0ad50ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9422a390e3891684861981d27a9b633
SHA1ab9246e7c274663fa2b869a73dc0cd83418ccb4f
SHA2560c9e325dd89600bd7e9e27ab0ee880d6e7adaa1a162f3e2ab823f46c2c3416fd
SHA5122cf043deac6770d9bdd231929322abdeb735f490d866a9aa48fce82df50e885edc038edd818d7709cd718fa0ff8a3345f6572f2ff0ec2c5ef7a1984c018f76f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595caf866d8e2d75da52b703e2cdebae5
SHA1463a4a37d298f20b3bf6c697c0ba274097695ff6
SHA2562db948ac2987ef116820348404d50f87afbc86364ead3e6414cac1fcec822394
SHA51238088c43f795c6134087c923b14f7ab04dce2470a509254c08c359d8920a66b025609a5fcc1642f9655757d7543a01486cc15a4fc5f8f2b007406681a9ec708b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc292a72c6cf6770968e10bbf972488a
SHA1e23e0d8a9afb1cd4d81291fa57e3ef45ac8ac1a0
SHA256c8af60298a025ccf6fe2e6c804db07640603d88527213f0c2cb1c2ee7c06c8a3
SHA51259348a0e642007e98f3b84b4065f1a14f1770e73da8988d9a2f56e10b6aa018cdc2f7d4a0af9428d9fe374dbdd82f943d98b410befa16a46432075c94768d4fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50799285f3afd919efc0dc8a522715362
SHA1ad146048e1c67300f758bfa8764079015f9cdb4a
SHA256f6034bf6e0a83a52193d7175315a3218aa26d4692ae72fac2673a49b5088c3e6
SHA512471ff35da75dfa65b8cc031f888334179a13de139f2c411e4cee1fd2dd6cb36eaacc16a97327c890b5ba0f555423993cad18c5f1fe3f10cd3a660d914ac691b0
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Filesize
4.2MB
MD59ab922abd0438dba99643badfb681b6e
SHA133f717b13784a2c9d1254e4d69840fbfacf32ecd
SHA256348e43f92607ccd91014502c0a61f3b0d8c589589b82bfbcedad2209901e29b2
SHA512a5a85ecb5ea17bbfe72ccd8854928455adefd68c6007a5559550069c3766eb1b2626940a37b29f35e721c6743725bf239a4412f8484fbc45a0b06a6e19719884
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec