Analysis
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max time kernel
150s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 23:45
Static task
static1
Behavioral task
behavioral1
Sample
3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe
Resource
win10v2004-20240226-en
General
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Target
3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe
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Size
4.1MB
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MD5
d144c3e6934965623e7d98897aeb9d98
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SHA1
8b4e353e120f4ac9b6cdbba3f7d9ac364c4852cd
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SHA256
3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf
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SHA512
bad64a3604980004ab77d59caab2cc250362eb3248ea32b2c5ebcc6455b17dd93f850335011c34a1d8abff2e75c1d136e2d0ed2d26a6c21ca7d936a147875891
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SSDEEP
98304:NOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOt:Nr2p15ulARrO0d7kw84IGt
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3316-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3316-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3316-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3316-78-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4428-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1192-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3988 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1192 csrss.exe 3520 injector.exe 4856 windefender.exe 3448 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3e-203.dat upx behavioral2/memory/4856-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3448-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4856-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3448-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3448-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.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 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 -
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 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe File created C:\Windows\rss\csrss.exe 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.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 2920 sc.exe -
pid Process 2416 powershell.exe 4656 powershell.exe 1796 powershell.exe 3552 powershell.exe 728 powershell.exe 3804 powershell.exe 3012 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 2700 schtasks.exe 580 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,-449 = "Azerbaijan Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.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,-3052 = "Qyzylorda Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.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\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight 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" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3804 powershell.exe 3804 powershell.exe 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 3012 powershell.exe 3012 powershell.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 2416 powershell.exe 2416 powershell.exe 4656 powershell.exe 4656 powershell.exe 1796 powershell.exe 1796 powershell.exe 3552 powershell.exe 3552 powershell.exe 728 powershell.exe 728 powershell.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1192 csrss.exe 1192 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1192 csrss.exe 1192 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1192 csrss.exe 1192 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3804 powershell.exe Token: SeDebugPrivilege 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Token: SeImpersonatePrivilege 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 1796 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeSystemEnvironmentPrivilege 1192 csrss.exe Token: SeSecurityPrivilege 2920 sc.exe Token: SeSecurityPrivilege 2920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3316 wrote to memory of 3804 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 83 PID 3316 wrote to memory of 3804 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 83 PID 3316 wrote to memory of 3804 3316 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 83 PID 4428 wrote to memory of 3012 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 88 PID 4428 wrote to memory of 3012 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 88 PID 4428 wrote to memory of 3012 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 88 PID 4428 wrote to memory of 1528 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 90 PID 4428 wrote to memory of 1528 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 90 PID 1528 wrote to memory of 3988 1528 cmd.exe 92 PID 1528 wrote to memory of 3988 1528 cmd.exe 92 PID 4428 wrote to memory of 2416 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 93 PID 4428 wrote to memory of 2416 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 93 PID 4428 wrote to memory of 2416 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 93 PID 4428 wrote to memory of 4656 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 95 PID 4428 wrote to memory of 4656 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 95 PID 4428 wrote to memory of 4656 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 95 PID 4428 wrote to memory of 1192 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 97 PID 4428 wrote to memory of 1192 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 97 PID 4428 wrote to memory of 1192 4428 3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe 97 PID 1192 wrote to memory of 1796 1192 csrss.exe 98 PID 1192 wrote to memory of 1796 1192 csrss.exe 98 PID 1192 wrote to memory of 1796 1192 csrss.exe 98 PID 1192 wrote to memory of 3552 1192 csrss.exe 104 PID 1192 wrote to memory of 3552 1192 csrss.exe 104 PID 1192 wrote to memory of 3552 1192 csrss.exe 104 PID 1192 wrote to memory of 728 1192 csrss.exe 106 PID 1192 wrote to memory of 728 1192 csrss.exe 106 PID 1192 wrote to memory of 728 1192 csrss.exe 106 PID 1192 wrote to memory of 3520 1192 csrss.exe 108 PID 1192 wrote to memory of 3520 1192 csrss.exe 108 PID 4856 wrote to memory of 3604 4856 windefender.exe 114 PID 4856 wrote to memory of 3604 4856 windefender.exe 114 PID 4856 wrote to memory of 3604 4856 windefender.exe 114 PID 3604 wrote to memory of 2920 3604 cmd.exe 115 PID 3604 wrote to memory of 2920 3604 cmd.exe 115 PID 3604 wrote to memory of 2920 3604 cmd.exe 115 -
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\3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe"C:\Users\Admin\AppData\Local\Temp\3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3804
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C:\Users\Admin\AppData\Local\Temp\3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.exe"C:\Users\Admin\AppData\Local\Temp\3bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf.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:4428 -
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:3012
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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:1528 -
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:3988
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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:2416
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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:4656
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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:1192 -
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:1796
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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:2700
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3180
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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:3552
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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:728
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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:3520
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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:580
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4856 -
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:3604 -
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:2920
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3448
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5765e1a303d23cb9d4ffd2edc72c03f7a
SHA10eed319e25d40636e307ed9d252b6d9e216689b0
SHA256df2226a731eec1f324ccba2f062d8e04f0a2e1456f4d03e188ff893a4502a000
SHA512d95d9c0e846e646910f535f99f0d1885fd281141dc38169da3d9ed326a9b6d461feba18413d14c3148c9abd99395c99f7b4eecf48456bf4ca7ed2ffaa9370347
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b725fa37a2a63e4b407a9a94eb028303
SHA11cf6f9b796e03c5e78c3f924069b4459b3c6f43f
SHA2563621d7d424d593438a5bb3d723fe5b063d7bd7c1a23ee8d8c43e7873bae170d5
SHA512587bd117d568508a5a111454b701e68f073cf8a5779b5852b05b94af40cabea66e1fbb277128eb271e7041addfe3a5cb640e201dcf6e1831b05dce16d21401c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580bba55b9786c0c9fda4f31648144b08
SHA11a25c7248fce733e19946f2d8c1d183d43b49d72
SHA25632abb7fce5c1e689633983bed73b970872bdd6ec861920399aff3142f31b2c55
SHA5120ad5c3c7f3099dc90fd125aef21a9796add4d99b3717bd315ba0a5a9ba8ec97738fd00f745b8625b22502c883b3506626156923cbf5c5ef0b2bf8d1a55ff5dc1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51731e909276709d4d3bbcf9fa9df4545
SHA1de7c4a11ceb82e1057a8659527b97a1a288dc351
SHA256a0b2acf9163c643800a69116c16e37fef981c93298b6e9a4d5b8ed0d07c22857
SHA512bb40dd7b087d1f2f6ee4589703d81d1eeeb27e473e281370bd592bfdd0219d6949364fc15b8c543a09a2e38e5eac3150a2a9baa8854b4c89099c8ab38d140d05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526520c4f6362557fa84629f6603e0104
SHA12ba34a21c50829bdff1ae250554256b468749667
SHA256ddb3ea53e8c626e54bc196add1d67196ba737d0a3b5d04751a40c99f5869d960
SHA5121a27c6f09b8060d8ba5b7894d799d3c920d281abd8aa6121818e995f1e95b71a06dc5bd238abc598d1adf4185a168afac1c0b39e652de7d8dc3606be198034e1
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Filesize
4.1MB
MD5d144c3e6934965623e7d98897aeb9d98
SHA18b4e353e120f4ac9b6cdbba3f7d9ac364c4852cd
SHA2563bfa5b298fb2a73dd91384182296d57a8685aff2f5f7fd2a6bb3e5d2bce7edcf
SHA512bad64a3604980004ab77d59caab2cc250362eb3248ea32b2c5ebcc6455b17dd93f850335011c34a1d8abff2e75c1d136e2d0ed2d26a6c21ca7d936a147875891
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec