Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-05-2024 12:27
Static task
static1
Behavioral task
behavioral1
Sample
d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe
Resource
win10v2004-20240426-en
General
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Target
d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe
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Size
4.2MB
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MD5
0011fe587a2617cf24d4f6e87b9ec0f6
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SHA1
9d7474e0bd7fc88fca2b4cdbc58635231eec64ea
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SHA256
d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066
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SHA512
a82fd17da18dfbe2756b0e5acd9259d726874e4ca233b035b1eedc1fe55e3a0c4d22cd1e4f8498b2bb15440e2335aebece814705f01b45282faced06d5d08618
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SSDEEP
98304:MF8im1gGuIBx6OZnUWht4ycCRjCDI1oqsmlQ8P/n0AE5Adl1b:/S/E57jC07smlVn0v5Sl1b
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3908-2-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/3908-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3908-98-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/3908-119-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/3240-125-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/3908-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2596-200-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-210-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-212-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-216-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-219-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-222-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-224-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-228-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-231-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-234-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-236-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-240-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/2596-243-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4708 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2596 csrss.exe 384 injector.exe 3484 windefender.exe 3480 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab48-204.dat upx behavioral2/memory/3484-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3484-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3480-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3480-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3480-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\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 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe File created C:\Windows\rss\csrss.exe d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.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 3416 sc.exe -
pid Process 2748 powershell.exe 4200 powershell.exe 3552 powershell.exe 2472 powershell.exe 3860 powershell.exe 560 powershell.exe 236 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 4872 schtasks.exe 5076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.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,-2161 = "Altai Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-412 = "E. Africa Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island 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" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.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,-401 = "Arabic Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight 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" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 560 powershell.exe 560 powershell.exe 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 236 powershell.exe 236 powershell.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 2748 powershell.exe 2748 powershell.exe 4200 powershell.exe 4200 powershell.exe 3552 powershell.exe 3552 powershell.exe 2472 powershell.exe 2472 powershell.exe 3860 powershell.exe 3860 powershell.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 2596 csrss.exe 2596 csrss.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 2596 csrss.exe 2596 csrss.exe 384 injector.exe 384 injector.exe 2596 csrss.exe 2596 csrss.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Token: SeImpersonatePrivilege 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe Token: SeDebugPrivilege 236 powershell.exe Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 3860 powershell.exe Token: SeSystemEnvironmentPrivilege 2596 csrss.exe Token: SeSecurityPrivilege 3416 sc.exe Token: SeSecurityPrivilege 3416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3908 wrote to memory of 560 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 82 PID 3908 wrote to memory of 560 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 82 PID 3908 wrote to memory of 560 3908 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 82 PID 3240 wrote to memory of 236 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 87 PID 3240 wrote to memory of 236 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 87 PID 3240 wrote to memory of 236 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 87 PID 3240 wrote to memory of 2312 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 89 PID 3240 wrote to memory of 2312 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 89 PID 2312 wrote to memory of 4708 2312 cmd.exe 91 PID 2312 wrote to memory of 4708 2312 cmd.exe 91 PID 3240 wrote to memory of 2748 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 92 PID 3240 wrote to memory of 2748 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 92 PID 3240 wrote to memory of 2748 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 92 PID 3240 wrote to memory of 4200 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 94 PID 3240 wrote to memory of 4200 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 94 PID 3240 wrote to memory of 4200 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 94 PID 3240 wrote to memory of 2596 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 96 PID 3240 wrote to memory of 2596 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 96 PID 3240 wrote to memory of 2596 3240 d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe 96 PID 2596 wrote to memory of 3552 2596 csrss.exe 97 PID 2596 wrote to memory of 3552 2596 csrss.exe 97 PID 2596 wrote to memory of 3552 2596 csrss.exe 97 PID 2596 wrote to memory of 2472 2596 csrss.exe 103 PID 2596 wrote to memory of 2472 2596 csrss.exe 103 PID 2596 wrote to memory of 2472 2596 csrss.exe 103 PID 2596 wrote to memory of 3860 2596 csrss.exe 105 PID 2596 wrote to memory of 3860 2596 csrss.exe 105 PID 2596 wrote to memory of 3860 2596 csrss.exe 105 PID 2596 wrote to memory of 384 2596 csrss.exe 107 PID 2596 wrote to memory of 384 2596 csrss.exe 107 PID 3484 wrote to memory of 3068 3484 windefender.exe 113 PID 3484 wrote to memory of 3068 3484 windefender.exe 113 PID 3484 wrote to memory of 3068 3484 windefender.exe 113 PID 3068 wrote to memory of 3416 3068 cmd.exe 114 PID 3068 wrote to memory of 3416 3068 cmd.exe 114 PID 3068 wrote to memory of 3416 3068 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\d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe"C:\Users\Admin\AppData\Local\Temp\d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Users\Admin\AppData\Local\Temp\d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.exe"C:\Users\Admin\AppData\Local\Temp\d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066.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:3240 -
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:236
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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:2312 -
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:4708
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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:2748
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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:4200
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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:2596 -
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:3552
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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:4872
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1284
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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:2472
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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:3860
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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:384
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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:5076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
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:3068 -
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:3416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3480
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
MD5ac4e6e3b87ca52bfc4510fbdaa8b719f
SHA17afe9bf4760b1ea07329747e37ed4d8a1090e82b
SHA2569e858696a428ce8316e4ec981e9bb361aed44b1414c8cf839f5ba36afd8f3651
SHA5121316b9e827ec7e3756b0dba99386a2c7042524ee0fcfba56581a13bed4b36a15aa1109cd420bfe86b2ed9955e7c52e47ac3a9a6f5b8ea11c0441044c53659a0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5372292c5f7f3537f0afeecf0f5c95da5
SHA1e0da58305529375731578c3735908bc7302bc1cf
SHA2569bfeb1f8b046c86d014698d9bfd157eb6d47502e11c21972d4e59541e7102081
SHA5121a15cf85a40defe8e2f1dbd21aeddf35bd313093083ee99174edb7dd111ccf7be6111f78157d11579031bbf1f8ca752b5bed8d6c47843825446488ca50cec647
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57617c059a57d89bd7308087480127521
SHA188350a9596f9d93496740ad39e050d169f17905e
SHA256bfbc9a3e7b97f79a6f3236ea7fb0f9536f347b27841900739c565541f85a8f69
SHA5121b828c54a3174faac8703a565bd01ea781e0f73723af8887f25bf017210f630be5dfe0f0b6f5495bb719f874e5cdb09cc30b1b6c64b6ab67196b700a0ec92274
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5992654be9de0fbc7a266eb6177e6cbb1
SHA1f70422c296c0559e9d8dde67efb9257db5de09f7
SHA25625d878299bd919bbc546f57d579a7eb9f0a05e9291719865794e50700eee16c8
SHA512d6b1f417ce084d6b1806ac539220594b63cd8cbf421bca30b012f43b1aa5b84d625869b09f77d57c0e14f7d552f6dfddb2a3f35639028e6ce5f2ecc985ad8905
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4eea46995a566be4ff5f7daf6889fa2
SHA104c3dc4e3ea67ada1f724ae5e0b306e89b080fad
SHA2561b26e25650e63a577dc35d8ad31036e64a87e316f3459464dc764d67b60a4fc5
SHA5121f42c86c33944a4e4381bddec37a7a363a203a19301a79af4673facc3fce44644ab7f1bca3552324d95b5f0be0b0d8c47c055457bb074e4fc3e6b6eeee5248c9
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Filesize
4.2MB
MD50011fe587a2617cf24d4f6e87b9ec0f6
SHA19d7474e0bd7fc88fca2b4cdbc58635231eec64ea
SHA256d61deb71386c4f3326ae2402b1e59ab44975aa3b002108b2d1e1fe62f89c3066
SHA512a82fd17da18dfbe2756b0e5acd9259d726874e4ca233b035b1eedc1fe55e3a0c4d22cd1e4f8498b2bb15440e2335aebece814705f01b45282faced06d5d08618
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec