Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 16:11
Static task
static1
Behavioral task
behavioral1
Sample
8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe
Resource
win10v2004-20240508-en
General
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Target
8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe
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Size
4.1MB
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MD5
ed4db8e4b6d0cb82a92c0bae463e797a
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SHA1
89296cb885674b5d6bcdf6490d47a6121bad43e2
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SHA256
8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33
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SHA512
d0185a0b0c5ecb99cd6c5e3602c22e336f069c38e2f58c88b4145591f6819a628abfc436040319d79c1062f87c7a630739d01c8b52bee678b7e8536b8ef538ad
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SSDEEP
98304:ExfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGv3:yRrVrv4XbNRWhj2o9k8f3CspGv3
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1132-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/1132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-54-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/1132-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1092 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3912 csrss.exe 4640 injector.exe 2512 windefender.exe 1092 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ea-208.dat upx behavioral2/memory/2512-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2512-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe File created C:\Windows\rss\csrss.exe 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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 2444 sc.exe -
pid Process 4152 powershell.exe 4660 powershell.exe 3156 powershell.exe 4588 powershell.exe 4540 powershell.exe 644 powershell.exe 4344 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2924 1132 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3848 schtasks.exe 700 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,-1722 = "Libya Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard 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\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA 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" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3156 powershell.exe 3156 powershell.exe 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4588 powershell.exe 4588 powershell.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 4540 powershell.exe 4540 powershell.exe 644 powershell.exe 644 powershell.exe 4344 powershell.exe 4344 powershell.exe 4152 powershell.exe 4152 powershell.exe 4660 powershell.exe 4660 powershell.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 3912 csrss.exe 3912 csrss.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 3912 csrss.exe 3912 csrss.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 3912 csrss.exe 3912 csrss.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe 4640 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Token: SeImpersonatePrivilege 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeSystemEnvironmentPrivilege 3912 csrss.exe Token: SeSecurityPrivilege 2444 sc.exe Token: SeSecurityPrivilege 2444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1132 wrote to memory of 3156 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 81 PID 1132 wrote to memory of 3156 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 81 PID 1132 wrote to memory of 3156 1132 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 81 PID 4060 wrote to memory of 4588 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 89 PID 4060 wrote to memory of 4588 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 89 PID 4060 wrote to memory of 4588 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 89 PID 4060 wrote to memory of 3748 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 91 PID 4060 wrote to memory of 3748 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 91 PID 3748 wrote to memory of 1092 3748 cmd.exe 93 PID 3748 wrote to memory of 1092 3748 cmd.exe 93 PID 4060 wrote to memory of 4540 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 94 PID 4060 wrote to memory of 4540 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 94 PID 4060 wrote to memory of 4540 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 94 PID 4060 wrote to memory of 644 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 96 PID 4060 wrote to memory of 644 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 96 PID 4060 wrote to memory of 644 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 96 PID 4060 wrote to memory of 3912 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 98 PID 4060 wrote to memory of 3912 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 98 PID 4060 wrote to memory of 3912 4060 8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe 98 PID 3912 wrote to memory of 4344 3912 csrss.exe 99 PID 3912 wrote to memory of 4344 3912 csrss.exe 99 PID 3912 wrote to memory of 4344 3912 csrss.exe 99 PID 3912 wrote to memory of 4152 3912 csrss.exe 105 PID 3912 wrote to memory of 4152 3912 csrss.exe 105 PID 3912 wrote to memory of 4152 3912 csrss.exe 105 PID 3912 wrote to memory of 4660 3912 csrss.exe 107 PID 3912 wrote to memory of 4660 3912 csrss.exe 107 PID 3912 wrote to memory of 4660 3912 csrss.exe 107 PID 3912 wrote to memory of 4640 3912 csrss.exe 109 PID 3912 wrote to memory of 4640 3912 csrss.exe 109 PID 2512 wrote to memory of 3744 2512 windefender.exe 115 PID 2512 wrote to memory of 3744 2512 windefender.exe 115 PID 2512 wrote to memory of 3744 2512 windefender.exe 115 PID 3744 wrote to memory of 2444 3744 cmd.exe 116 PID 3744 wrote to memory of 2444 3744 cmd.exe 116 PID 3744 wrote to memory of 2444 3744 cmd.exe 116 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe"C:\Users\Admin\AppData\Local\Temp\8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156
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C:\Users\Admin\AppData\Local\Temp\8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.exe"C:\Users\Admin\AppData\Local\Temp\8073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33.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:4060 -
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:4588
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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:3748 -
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:1092
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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:4540
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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:644
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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:3912 -
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:4344
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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:3848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3012
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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:4152
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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:4660
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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:4640
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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:700
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2512 -
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:3744 -
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:2444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 9722⤵
- Program crash
PID:2924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1132 -ip 11321⤵PID:3400
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1092
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
MD5e689b9e25f525b66050f80d624f05a89
SHA1907efe5f6cf18042ee1e4a98fe23f129e6c1e427
SHA2562841fbf8095ad91f6ebc83d89a0e0c374fefa4d0557f4c6cf7dbc941ccb480a1
SHA51211f048c0c623866d4813e715ef91e1dd66728c507e101483fe148db927cb766a9f1b51a8e6495a54d33a1906587ab775e35cbc1f6f38b315f20b4c0f5371a6d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1b1f76aededb22931f9968f3d82b2e1
SHA196bfe11f7a16d2d94a124c11e33152320c677815
SHA2567f49bac92df0e76ce0c58276f71ec90553a4934dd7d787d5309a74fbe64bc194
SHA512a4856cf510691e45e2cd1ad9055edeef39b66d6e58a632d5922f1ea3a429bd03d63dcff6b76233bb136e96db9921c096bfedf2790507a84b9b916735b5ea7b9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5890d547e558afec9615e5e82c7877afd
SHA1ec29cea1318ad3b6bdc11bb6d756febf83f36d83
SHA25678f75b0631c1113e2bddfaa95308b99b7c347fbb9299a9411bdf2e035a885859
SHA512291119735b908c6421590f33b537f659df0b4910fbec313c844b9cce42db00a6c78b799e9931c4ffe34e395392c85b872b899d0fab3c6dd309f23fdb853a0a9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57230c067f31a41c106740338d5acbad5
SHA1bcef92405a652ea83fa9adaeca017b433be45856
SHA25635692d06f3ae2dffbb8dad1ed98d89ee0f2051a6658ba85f9a652a695b7a95de
SHA512b2784456c7f5c74323de7d11d05f6354a042f636d4cba33de8b527219938c50b23f4ff6ec59dba9d2f715da7cc88608b005e550eb62960e94d494de562f2d24b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c9cec01918d0fe0aa7de5d019602d13
SHA1b41a9070ca317611948c2c329e03d9bebcf54fb6
SHA2567403f740865fc3d03a086db8e171f641d1a5fc6eab7a547904606cc700b66e1c
SHA51282d2520195463acdebc25aad79427201d846f75aae66c3f30cef7e93ab751300f5d689df7e674f51aecbe66d13d2a63aeb7a5086048dafe801be41566067aefd
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Filesize
4.1MB
MD5ed4db8e4b6d0cb82a92c0bae463e797a
SHA189296cb885674b5d6bcdf6490d47a6121bad43e2
SHA2568073643f05b494dd70478d09a11e98931c335f0a2d86a42928fe672213db0e33
SHA512d0185a0b0c5ecb99cd6c5e3602c22e336f069c38e2f58c88b4145591f6819a628abfc436040319d79c1062f87c7a630739d01c8b52bee678b7e8536b8ef538ad
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec