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Analysis
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max time kernel
150s -
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
19/05/2024, 01:54
Static task
static1
Behavioral task
behavioral1
Sample
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe
Resource
win10v2004-20240426-en
General
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Target
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe
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Size
4.1MB
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MD5
2ae6c434ef982ebc70752959117aa7e2
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SHA1
0b5e147250ad4f99de1ec563137a6c283e317fc7
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SHA256
381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01
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SHA512
db12c78f9153da3bdb3114605ee067b906115af915634d4d53119ff97362454751dbcc058fc24dcb36e108bf80ad530e950114fe2b3e1f58af975b324c88421b
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SSDEEP
98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22s:8rcnZFqd2LRPP3hYhQZs
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2924-2-0x0000000004520000-0x0000000004E0B000-memory.dmp family_glupteba behavioral2/memory/2924-145-0x0000000004520000-0x0000000004E0B000-memory.dmp family_glupteba behavioral2/memory/2924-142-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2924-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1940-197-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-200-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-211-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-214-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-219-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-223-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-227-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-230-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-235-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-239-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-243-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-247-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-250-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3192-255-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3192 csrss.exe 4648 injector.exe 716 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral2/memory/716-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1e-204.dat upx behavioral2/memory/4660-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/716-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 File created 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 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4124 sc.exe -
pid Process 1864 powershell.exe 3036 powershell.exe 916 powershell.exe 5084 powershell.exe 3604 powershell.exe 2148 powershell.exe 3576 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 2620 schtasks.exe 1860 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas 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" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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,-334 = "Jordan Daylight 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,-1802 = "Line Islands Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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,-411 = "E. Africa Daylight Time" windefender.exe 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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 916 powershell.exe 916 powershell.exe 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 5084 powershell.exe 5084 powershell.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 3604 powershell.exe 3604 powershell.exe 2148 powershell.exe 2148 powershell.exe 3576 powershell.exe 3576 powershell.exe 1864 powershell.exe 1864 powershell.exe 3036 powershell.exe 3036 powershell.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 3192 csrss.exe 3192 csrss.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 3192 csrss.exe 3192 csrss.exe 4648 injector.exe 4648 injector.exe 3192 csrss.exe 3192 csrss.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Token: SeImpersonatePrivilege 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 3604 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeSystemEnvironmentPrivilege 3192 csrss.exe Token: SeSecurityPrivilege 4124 sc.exe Token: SeSecurityPrivilege 4124 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2924 wrote to memory of 916 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 79 PID 2924 wrote to memory of 916 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 79 PID 2924 wrote to memory of 916 2924 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 79 PID 1940 wrote to memory of 5084 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 84 PID 1940 wrote to memory of 5084 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 84 PID 1940 wrote to memory of 5084 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 84 PID 1940 wrote to memory of 4864 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 86 PID 1940 wrote to memory of 4864 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 86 PID 4864 wrote to memory of 3984 4864 cmd.exe 88 PID 4864 wrote to memory of 3984 4864 cmd.exe 88 PID 1940 wrote to memory of 3604 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 89 PID 1940 wrote to memory of 3604 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 89 PID 1940 wrote to memory of 3604 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 89 PID 1940 wrote to memory of 2148 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 91 PID 1940 wrote to memory of 2148 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 91 PID 1940 wrote to memory of 2148 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 91 PID 1940 wrote to memory of 3192 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 93 PID 1940 wrote to memory of 3192 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 93 PID 1940 wrote to memory of 3192 1940 381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe 93 PID 3192 wrote to memory of 3576 3192 csrss.exe 94 PID 3192 wrote to memory of 3576 3192 csrss.exe 94 PID 3192 wrote to memory of 3576 3192 csrss.exe 94 PID 3192 wrote to memory of 1864 3192 csrss.exe 100 PID 3192 wrote to memory of 1864 3192 csrss.exe 100 PID 3192 wrote to memory of 1864 3192 csrss.exe 100 PID 3192 wrote to memory of 3036 3192 csrss.exe 102 PID 3192 wrote to memory of 3036 3192 csrss.exe 102 PID 3192 wrote to memory of 3036 3192 csrss.exe 102 PID 3192 wrote to memory of 4648 3192 csrss.exe 104 PID 3192 wrote to memory of 4648 3192 csrss.exe 104 PID 716 wrote to memory of 3872 716 windefender.exe 110 PID 716 wrote to memory of 3872 716 windefender.exe 110 PID 716 wrote to memory of 3872 716 windefender.exe 110 PID 3872 wrote to memory of 4124 3872 cmd.exe 111 PID 3872 wrote to memory of 4124 3872 cmd.exe 111 PID 3872 wrote to memory of 4124 3872 cmd.exe 111 -
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\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:916
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C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.exe"C:\Users\Admin\AppData\Local\Temp\381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01.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:1940 -
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:5084
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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:4864 -
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:3984
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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:3604
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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:2148
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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:3192 -
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:3576
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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:1860
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1856
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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:1864
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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:3036
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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:4648
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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:2620
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:716 -
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:3872 -
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:4124
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
MD58d8a1f22ba885bd78854002920bd8eb2
SHA161daea1a21e99c7b6f739ab9ffd23ba2c9fbffb3
SHA256430b654d59c2e772d41f94c28e1b56bf186fd5c46c23475dd5d6b02618b14805
SHA51249d9d75750242b55e9817b4da08bbbc19d74de9ed5c0c1bb5a7716ac1bb711cc2194ea56b4c804472b374cabb16ab2eb6aed766f7bb39581fabfe9a4a095f97a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5094b22b312b4ea56c979806d97107a7c
SHA1c48d0f3fc4ff8881d99ac95e4a39a8029e6fd7a1
SHA25678540e07577dffbc4461cb526b29c2e99e513a23da7ddb449553747dafe50f59
SHA512fcebb7acb5272ac06a09fc2e1c5c8cd421b853467e928616cfa6ae33c0d837917cc2b84714b5764adbd3a3bd31b03a5251a536f6857b48ae23b6d817990016da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59edbf2fdbd2cb0c714aad90062c00a9a
SHA1e7e8f4a27680416874edfe1862d0ba9bacc2fd4e
SHA256dbaea9821ac2b88e4aaf7ced22ed5c5341636ff116bcf3fd0820a50a03b8f0e1
SHA5121803d69ed430caaff1f6662c1953a2328ec4f9355e9b41e4218840c4dda7f8759cff6705aba80e2310f11550c8541c1ca44e30b679f1e331d94c6779ce58c72b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5018ad1bf0f58a25fa6de9bcb9e1d98bb
SHA14b6e0d3db30b161bceab13defc0b0e6664669bfe
SHA256dab6d8d1207778bdcf986e2a8498c290bb6d730e9c6ee497d8f1b5ded065f337
SHA51236239ae8bdb952e77f75a986a6fe1b8bf48a74a0425cd6984cd6ab24b565fa3670c3cf1d887425721cd0d356adbaa22466f369eba4b2467fed9753f9f920a836
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592176655abe7ae41e31ac1aa5182b5dc
SHA10735d765804a5e97fe4051b1736b0f11645139db
SHA25695835ac939d66bb802232cb7890516bfaace683f34e2954317c129107b868f7b
SHA5121a9f3518c1b30f7378aab7f8cb11af18831e4f2beb29c6ad044444a0f75ade835a84baa2320025195a72e6e0c003e8076f73a5acbebc5aaa6830452b97d9501f
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Filesize
4.1MB
MD52ae6c434ef982ebc70752959117aa7e2
SHA10b5e147250ad4f99de1ec563137a6c283e317fc7
SHA256381010c40066c2b0b078b5a6d957d20efe3d93656e3ee381a4a539b77811ea01
SHA512db12c78f9153da3bdb3114605ee067b906115af915634d4d53119ff97362454751dbcc058fc24dcb36e108bf80ad530e950114fe2b3e1f58af975b324c88421b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec