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Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe
Resource
win10v2004-20240426-en
General
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Target
4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe
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Size
4.1MB
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MD5
cda7facfacace6d8addb77df54ef865b
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SHA1
9fe3c6b7df3e04fc9e7b67f353ea419c95863e25
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SHA256
4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f
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SHA512
96b1dfedcf31a5e1ab54d3c29b8c451029fbcd138ee3a1dd60ccf48d7fec2b6d415038020250d078ca0d0aa5c9cb91bacc0d4a7fedff0d679e67b8762f187b83
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SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS5:QuOpIddBi3V8Ojm7gWylM939CI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2364-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/2364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2364-146-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/2364-145-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2364-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2168-199-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-202-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-214-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-218-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-254-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1156-258-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2112 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1156 csrss.exe 1016 injector.exe 772 windefender.exe 3872 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-206.dat upx behavioral2/memory/772-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3872-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/772-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3872-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3872-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 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 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe File created C:\Windows\rss\csrss.exe 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.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 4140 sc.exe -
pid Process 2872 powershell.exe 3080 powershell.exe 1500 powershell.exe 4144 powershell.exe 1888 powershell.exe 756 powershell.exe 5032 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 4816 schtasks.exe 2600 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\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.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,-892 = "Morocco Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European 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,-364 = "Middle East Daylight 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" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-172 = "Central Standard Time (Mexico)" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.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,-2391 = "Aleutian Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3080 powershell.exe 3080 powershell.exe 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 1500 powershell.exe 1500 powershell.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 4144 powershell.exe 4144 powershell.exe 1888 powershell.exe 1888 powershell.exe 756 powershell.exe 756 powershell.exe 5032 powershell.exe 5032 powershell.exe 2872 powershell.exe 2872 powershell.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1156 csrss.exe 1156 csrss.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1156 csrss.exe 1156 csrss.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1156 csrss.exe 1156 csrss.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe 1016 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3080 powershell.exe Token: SeDebugPrivilege 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Token: SeImpersonatePrivilege 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 4144 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 756 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeSystemEnvironmentPrivilege 1156 csrss.exe Token: SeSecurityPrivilege 4140 sc.exe Token: SeSecurityPrivilege 4140 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2364 wrote to memory of 3080 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 82 PID 2364 wrote to memory of 3080 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 82 PID 2364 wrote to memory of 3080 2364 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 82 PID 2168 wrote to memory of 1500 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 88 PID 2168 wrote to memory of 1500 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 88 PID 2168 wrote to memory of 1500 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 88 PID 2168 wrote to memory of 1884 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 90 PID 2168 wrote to memory of 1884 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 90 PID 1884 wrote to memory of 2112 1884 cmd.exe 92 PID 1884 wrote to memory of 2112 1884 cmd.exe 92 PID 2168 wrote to memory of 4144 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 93 PID 2168 wrote to memory of 4144 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 93 PID 2168 wrote to memory of 4144 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 93 PID 2168 wrote to memory of 1888 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 95 PID 2168 wrote to memory of 1888 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 95 PID 2168 wrote to memory of 1888 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 95 PID 2168 wrote to memory of 1156 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 97 PID 2168 wrote to memory of 1156 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 97 PID 2168 wrote to memory of 1156 2168 4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe 97 PID 1156 wrote to memory of 756 1156 csrss.exe 98 PID 1156 wrote to memory of 756 1156 csrss.exe 98 PID 1156 wrote to memory of 756 1156 csrss.exe 98 PID 1156 wrote to memory of 5032 1156 csrss.exe 104 PID 1156 wrote to memory of 5032 1156 csrss.exe 104 PID 1156 wrote to memory of 5032 1156 csrss.exe 104 PID 1156 wrote to memory of 2872 1156 csrss.exe 106 PID 1156 wrote to memory of 2872 1156 csrss.exe 106 PID 1156 wrote to memory of 2872 1156 csrss.exe 106 PID 1156 wrote to memory of 1016 1156 csrss.exe 108 PID 1156 wrote to memory of 1016 1156 csrss.exe 108 PID 772 wrote to memory of 4368 772 windefender.exe 114 PID 772 wrote to memory of 4368 772 windefender.exe 114 PID 772 wrote to memory of 4368 772 windefender.exe 114 PID 4368 wrote to memory of 4140 4368 cmd.exe 115 PID 4368 wrote to memory of 4140 4368 cmd.exe 115 PID 4368 wrote to memory of 4140 4368 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\4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe"C:\Users\Admin\AppData\Local\Temp\4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3080
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C:\Users\Admin\AppData\Local\Temp\4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.exe"C:\Users\Admin\AppData\Local\Temp\4c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f.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:2168 -
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:1500
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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:1884 -
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:2112
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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:4144
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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:1888
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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:1156 -
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:756
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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:4816
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3956
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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:5032
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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:2872
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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:1016
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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:2600
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:772 -
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:4368 -
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:4140
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3872
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
MD564a2657051273550bc125550d7e27e9d
SHA156e98b5d679026eb02a6717ad311785756cdf68c
SHA256d8b1e77517d49f3cbe8d6155b2816aadc47cc02a92a8d4da07009d810442a1b0
SHA512168d62f0d9f80b37d4873dc6bb70c342c2914624fb3793f911f4da5561d24e1698c1746da9b6f3739b25efe71bd21f6db2994e1de6c5df5ad808c7d92a0d4ba3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f52f50d73b798557a5cea30d4ec88a99
SHA19bb724361c11656b1e00b15d69bf12707d77dd2a
SHA2567cc9d3cb07d9914c408133fa48a09ce8df286a900b806b521854e7a5156a5c28
SHA512ee56e0d359c3f47cea19dc851a4b376ed9ce73b729046fddc8a36d908d38e143acfa070f59060856064e1f271562ab9ec1efd1e48335b062f957fd0bec51f4bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5386f1dd52e4f1f354d8685e036810992
SHA16f64fe10da74f384a5b4e05cdae77551901c48be
SHA256da0d40b9a157d24ac5e0cc71a46be57bb64696f2045f48273e84235956443c1b
SHA5129cb95310aa5a50fe3e03234cc633b33fba11f92789a11de720dcef74fce01e7c5c4431cbb4f0f675883fb416227fb8bfd56cd64136fd98710c0842bbed78f3aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53322cc5511eb5a9157fc35678dd645ea
SHA14d286297a725c80e3fefe60f8176f8c298d2aa3d
SHA2565b326e0ca1cba1a83b80c8a714244bd2c68415698b1e962629e132c04f4eadec
SHA5125b85acbdf3ccc1605fe2f95b0d611838ec641c1c6003c3708759af71873bdd7c7e0847712f8f0116ac292b559afedfbefa79f2a582a78123c8ca84b5948ed158
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9b878c5f2911bdde67d36b9ecf0f9b5
SHA1fac2f6b0bb223e263a2a79f3409ba65b39fd18c5
SHA256a8bec63a750fba60c9bbe0d191a65f56424d80e5b210c60d154646a2b8488732
SHA512a0603cf586fb2e041ae414e065b5f6a17f581dc64c3b05791ca160831b5f0cd18e6ccf16e3027569edf328e5cda3ab9b537691faf03ce3684c40dc645c898e9b
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Filesize
4.1MB
MD5cda7facfacace6d8addb77df54ef865b
SHA19fe3c6b7df3e04fc9e7b67f353ea419c95863e25
SHA2564c14eb45b343dc31451196e572c5b646ad3aa44dd7f584c4f55a5b18f4513f8f
SHA51296b1dfedcf31a5e1ab54d3c29b8c451029fbcd138ee3a1dd60ccf48d7fec2b6d415038020250d078ca0d0aa5c9cb91bacc0d4a7fedff0d679e67b8762f187b83
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec