Analysis
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max time kernel
149s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:48
Static task
static1
Behavioral task
behavioral1
Sample
352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe
Resource
win10v2004-20240226-en
General
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Target
352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe
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Size
4.1MB
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MD5
77503e41d26942fc38f013c3e227b94d
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SHA1
bfd2c02858e4615c4323d3015fe3e32f162aeb78
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SHA256
352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92
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SHA512
722c198db6632f11bd53cf5b7bdfedf836e853cce17ecc983f92b440adcc9c094239541a0b764cea37ba013baedebeef9c73377dcd36ce7b2e279f5e449ea00a
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SSDEEP
98304:ZsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivB:Zs5hioeyE6OsERj43nG
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2620-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/2620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2620-78-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/2620-77-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2620-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4988-119-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4988-194-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-200-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-224-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2756-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 944 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2756 csrss.exe 1536 injector.exe 4544 windefender.exe 1080 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1f-204.dat upx behavioral2/memory/4544-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1080-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4544-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1080-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1080-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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 -
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 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4656 sc.exe -
pid Process 3148 powershell.exe 3128 powershell.exe 2468 powershell.exe 3552 powershell.exe 4396 powershell.exe 3424 powershell.exe 4668 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 4412 schtasks.exe 4784 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,-202 = "US Mountain Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.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\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight 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" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-681 = "E. Australia Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3128 powershell.exe 3128 powershell.exe 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 2468 powershell.exe 2468 powershell.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 3552 powershell.exe 3552 powershell.exe 4396 powershell.exe 4396 powershell.exe 3424 powershell.exe 3424 powershell.exe 4668 powershell.exe 4668 powershell.exe 3148 powershell.exe 3148 powershell.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 2756 csrss.exe 2756 csrss.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 2756 csrss.exe 2756 csrss.exe 1536 injector.exe 1536 injector.exe 2756 csrss.exe 2756 csrss.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3128 powershell.exe Token: SeDebugPrivilege 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Token: SeImpersonatePrivilege 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeSystemEnvironmentPrivilege 2756 csrss.exe Token: SeSecurityPrivilege 4656 sc.exe Token: SeSecurityPrivilege 4656 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2620 wrote to memory of 3128 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 80 PID 2620 wrote to memory of 3128 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 80 PID 2620 wrote to memory of 3128 2620 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 80 PID 4988 wrote to memory of 2468 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 85 PID 4988 wrote to memory of 2468 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 85 PID 4988 wrote to memory of 2468 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 85 PID 4988 wrote to memory of 2744 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 87 PID 4988 wrote to memory of 2744 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 87 PID 2744 wrote to memory of 944 2744 cmd.exe 89 PID 2744 wrote to memory of 944 2744 cmd.exe 89 PID 4988 wrote to memory of 3552 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 90 PID 4988 wrote to memory of 3552 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 90 PID 4988 wrote to memory of 3552 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 90 PID 4988 wrote to memory of 4396 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 92 PID 4988 wrote to memory of 4396 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 92 PID 4988 wrote to memory of 4396 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 92 PID 4988 wrote to memory of 2756 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 94 PID 4988 wrote to memory of 2756 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 94 PID 4988 wrote to memory of 2756 4988 352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe 94 PID 2756 wrote to memory of 3424 2756 csrss.exe 95 PID 2756 wrote to memory of 3424 2756 csrss.exe 95 PID 2756 wrote to memory of 3424 2756 csrss.exe 95 PID 2756 wrote to memory of 4668 2756 csrss.exe 100 PID 2756 wrote to memory of 4668 2756 csrss.exe 100 PID 2756 wrote to memory of 4668 2756 csrss.exe 100 PID 2756 wrote to memory of 3148 2756 csrss.exe 103 PID 2756 wrote to memory of 3148 2756 csrss.exe 103 PID 2756 wrote to memory of 3148 2756 csrss.exe 103 PID 2756 wrote to memory of 1536 2756 csrss.exe 105 PID 2756 wrote to memory of 1536 2756 csrss.exe 105 PID 4544 wrote to memory of 3912 4544 windefender.exe 111 PID 4544 wrote to memory of 3912 4544 windefender.exe 111 PID 4544 wrote to memory of 3912 4544 windefender.exe 111 PID 3912 wrote to memory of 4656 3912 cmd.exe 112 PID 3912 wrote to memory of 4656 3912 cmd.exe 112 PID 3912 wrote to memory of 4656 3912 cmd.exe 112 -
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\352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe"C:\Users\Admin\AppData\Local\Temp\352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3128
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C:\Users\Admin\AppData\Local\Temp\352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.exe"C:\Users\Admin\AppData\Local\Temp\352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92.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:4988 -
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:2468
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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:2744 -
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:944
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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:3552
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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:4396
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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:2756 -
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:3424
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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:4412
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4860
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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:4668
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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:3148
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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:1536
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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:4784
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4544 -
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:3912 -
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:4656
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1080
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
MD55bccb658b93a500468721668ed7e5c28
SHA17ea6b5a0b7bc42a3f7bcfa0b3a51c0c27be454e9
SHA25607701d7af468b2a8dcb4a7fa19c0e487b5c0ad0522a0d98dad52accf594bcf30
SHA5120a1fc223bce47a5b5a98a7773bab24e98734e67ee273b5de5d26f4bedfe130cf951e9abf2d0775edc81284dad3e29c6f4f5887f2ba08990eee19ff85b020b6f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c91a2fd2af8b1d4f06bb67999a8d0e4
SHA15b071adda8bf39179e7c61a06e84f21ed251bb74
SHA256ad6c59368710b3dc9ed13b241b623330cd18b0255a85f730e5b908e179cfdf03
SHA5129bf4f4d294139dc8e3ecd4d6054ce5fa93e615e17c52a4f0d6d130e0886e1863f563e18397e11bf7420a84c3d61232de945b0c514e19da474188d88a9648c743
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5fed870ab099a3b69c985c3e2ce35e9
SHA147b35d2e2f678935988946baa065f090a7d84eb5
SHA2563fbbc4d5a3ce75e6c7b3185f001e74eca04955f989c71a287436538f2cd786d3
SHA5127c7b195ff2aa5c4f32e8a4e00c691ac361a005a71b0ab407f9d49622acf9e594576fad77d94b7088cd23f23d91f1f3caaa0486fbea2e9501c8bbb508c7c0c821
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f228abd562a4b1f4625e8cdd3e888ea3
SHA10dff2eeae6a85a37f0c5a32c75df9e72bf7bd0a8
SHA256fcc6b4783503e3bb512a800f08ed6ee7a1a6ced8c86fea81c053a68470909038
SHA512a4cd4832ba50f302aeb0396fa46b06334a4c0765405dbeded119c28b51fffe0dfe9b82609295f11fefdd99fb7b17224a3e234b065ff9b5162dc6548a29abff09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57958c22416710e439413a622d81be84e
SHA1672be03b12c3c94c2f7665445b7024cf7cdc67b5
SHA25627369aeb961012b0046932663c21db0a40046488d634661af3875ae6341bfe2a
SHA512416a971debf4d6e868ab9029044f4dd44f499e3bfdd3aa89979ba2641ff0ca7b56124ea0e532ffbb7aec2a5e68d54f278e5edac54552c57c1af28db02135d124
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Filesize
4.1MB
MD577503e41d26942fc38f013c3e227b94d
SHA1bfd2c02858e4615c4323d3015fe3e32f162aeb78
SHA256352dd23c6e3277431c53cc6d72295b1ba78772ca58c954f5a8c36f69c5e92c92
SHA512722c198db6632f11bd53cf5b7bdfedf836e853cce17ecc983f92b440adcc9c094239541a0b764cea37ba013baedebeef9c73377dcd36ce7b2e279f5e449ea00a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec