Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 15:58
Static task
static1
Behavioral task
behavioral1
Sample
1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe
Resource
win10v2004-20240508-en
General
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Target
1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe
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Size
4.1MB
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MD5
8df85fd389ea5f40773027566589c354
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SHA1
7340f7df01b74120673b98c65aabdeaab6884410
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SHA256
1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6
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SHA512
d9bd8518e3452fd161d109cbf2a8cff74f7c16c337371524214d5b1b939081e110e63c520f524aa255b5bc19c008765daa99f72609c66ece3f2bae74e189cf70
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SSDEEP
98304:83tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59Xg:8dQIuMQA9oQJ/gXD7
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/236-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/236-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-113-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-140-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4860-165-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5048 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2876 csrss.exe 1272 injector.exe 4732 windefender.exe 3216 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa30-199.dat upx behavioral2/memory/4732-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3216-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4732-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3216-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3216-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 -
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 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe File created C:\Windows\rss\csrss.exe 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.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 4456 sc.exe -
pid Process 2224 powershell.exe 2848 powershell.exe 3680 powershell.exe 1528 powershell.exe 4804 powershell.exe 2120 powershell.exe 4844 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4756 1528 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4048 schtasks.exe 2880 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,-2872 = "Magallanes Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.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,-392 = "Arab Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.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,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores 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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1528 powershell.exe 1528 powershell.exe 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4804 powershell.exe 4804 powershell.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 2120 powershell.exe 2120 powershell.exe 4844 powershell.exe 4844 powershell.exe 2224 powershell.exe 2224 powershell.exe 2848 powershell.exe 2848 powershell.exe 3680 powershell.exe 3680 powershell.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 2876 csrss.exe 2876 csrss.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 2876 csrss.exe 2876 csrss.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 2876 csrss.exe 2876 csrss.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe 1272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Token: SeImpersonatePrivilege 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 3680 powershell.exe Token: SeSystemEnvironmentPrivilege 2876 csrss.exe Token: SeSecurityPrivilege 4456 sc.exe Token: SeSecurityPrivilege 4456 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 236 wrote to memory of 1528 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 79 PID 236 wrote to memory of 1528 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 79 PID 236 wrote to memory of 1528 236 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 79 PID 4860 wrote to memory of 4804 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 87 PID 4860 wrote to memory of 4804 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 87 PID 4860 wrote to memory of 4804 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 87 PID 4860 wrote to memory of 4980 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 89 PID 4860 wrote to memory of 4980 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 89 PID 4980 wrote to memory of 5048 4980 cmd.exe 91 PID 4980 wrote to memory of 5048 4980 cmd.exe 91 PID 4860 wrote to memory of 2120 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 92 PID 4860 wrote to memory of 2120 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 92 PID 4860 wrote to memory of 2120 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 92 PID 4860 wrote to memory of 4844 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 94 PID 4860 wrote to memory of 4844 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 94 PID 4860 wrote to memory of 4844 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 94 PID 4860 wrote to memory of 2876 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 96 PID 4860 wrote to memory of 2876 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 96 PID 4860 wrote to memory of 2876 4860 1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe 96 PID 2876 wrote to memory of 2224 2876 csrss.exe 97 PID 2876 wrote to memory of 2224 2876 csrss.exe 97 PID 2876 wrote to memory of 2224 2876 csrss.exe 97 PID 2876 wrote to memory of 2848 2876 csrss.exe 102 PID 2876 wrote to memory of 2848 2876 csrss.exe 102 PID 2876 wrote to memory of 2848 2876 csrss.exe 102 PID 2876 wrote to memory of 3680 2876 csrss.exe 105 PID 2876 wrote to memory of 3680 2876 csrss.exe 105 PID 2876 wrote to memory of 3680 2876 csrss.exe 105 PID 2876 wrote to memory of 1272 2876 csrss.exe 107 PID 2876 wrote to memory of 1272 2876 csrss.exe 107 PID 4732 wrote to memory of 1660 4732 windefender.exe 113 PID 4732 wrote to memory of 1660 4732 windefender.exe 113 PID 4732 wrote to memory of 1660 4732 windefender.exe 113 PID 1660 wrote to memory of 4456 1660 cmd.exe 114 PID 1660 wrote to memory of 4456 1660 cmd.exe 114 PID 1660 wrote to memory of 4456 1660 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\1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe"C:\Users\Admin\AppData\Local\Temp\1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 22043⤵
- Program crash
PID:4756
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C:\Users\Admin\AppData\Local\Temp\1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.exe"C:\Users\Admin\AppData\Local\Temp\1f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6.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:4860 -
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:4804
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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:4980 -
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:5048
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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:2120
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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:4844
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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:2876 -
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:2224
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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:4048
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4388
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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:2848
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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:3680
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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:1272
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4732 -
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:1660 -
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:4456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1528 -ip 15281⤵PID:1468
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3216
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
MD550f8b999c64c036ac404005b31d59b8b
SHA15440071eb4ef091eb6be2c3cf30577839a41104c
SHA256ce97d1a24c571c571fd7ae2391e5a24063b0ddf18f9902d3408b06530c531b2d
SHA5124a8f9c6e38b2624885f549ee56745bbfb89b5d983fc9e0dd530ebbc69c76e70e384cf047cf08cb8a6a1880359a83a085a75cd3b7257f2c29032411dffbde3dcf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4f8bbb3fa669b2608d28ee40fb6e694
SHA17546ecfe302d854bb4022ec339eb3fe0ff45e2d1
SHA2561c9fb185b7105e78c4f215f2cf530a18ee58554f95a81291521c1400017618a0
SHA512dc6e91b3d6183d2d87cd32e6969c4a0917b211c6edbed6fe2ce5145f2b1fec480ca72992f00095b32a943edd8b43e7b4c48fcf826a29c51905e8d57f99e3e2e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578c29503ec631e593d8ee774d0de953c
SHA1ad8dc2355728eaf0ac95be948a754d1111acea80
SHA2564389e8c809960525c783621a6d03edc2048ddedfcfdc6df517b55a13cfb4b517
SHA51234b2e390f0e21f138de281b1794a7b0bed4c7d9599a363bba7fce4ae91ad4561605e5f2a6b999eaf5293d849d54e3425074529defdb13550c7d234a7e7d0c450
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55cc6f288e8c866ab19f63d422c0f0fcb
SHA14a9248f032746ea366f72fd6a122228907f839b5
SHA256fbbfbbc272d9b65d89b9ca5efcfa87defaa0a7216283c2398d35fc6bd1b5c110
SHA51298e0e9a8cf7e7edd04f595cca68aba8ac51ef5cfa5c368843bfc2f0ce7f692aadec10cf07d3621ccf5f9c2b57e44196202d0321de977ec2593997f3b84b7cb89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9a43fd958b774be4ad0657ef297c698
SHA15cc14c33068e028e88ca9ece15524d238afa6419
SHA256d4e853c99b6a57fdeb59f86b0be2e6fa1b5de7c4be5c9fb6135877d06bf12611
SHA51299b73a8a09292d067b794287491060c6549f43b716729a1280332e9a37fdb2476c38c17d0c01beab70da55813865210967926da342d20ea1a6fb535356f17883
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Filesize
4.1MB
MD58df85fd389ea5f40773027566589c354
SHA17340f7df01b74120673b98c65aabdeaab6884410
SHA2561f3f7cb60b3a7b532de8d3174b8285fff767814466767987b132e744857dd3e6
SHA512d9bd8518e3452fd161d109cbf2a8cff74f7c16c337371524214d5b1b939081e110e63c520f524aa255b5bc19c008765daa99f72609c66ece3f2bae74e189cf70
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec