Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 14:48
Static task
static1
Behavioral task
behavioral1
Sample
f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe
Resource
win10v2004-20240426-en
General
-
Target
f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe
-
Size
4.2MB
-
MD5
4e4f3b57f27c4777db68b3d7bfde90f7
-
SHA1
10a4b635054778bd6187408387f87198b65fa425
-
SHA256
f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4
-
SHA512
bb572850dcaad0fc9ef0b1b20f87a2e1fcf03cec027d37ad05293e0b0e3cd5cccbf6f2413bcbdb6eb7f467a290b1e5fa767d322dffd495065a4807aa6ed65986
-
SSDEEP
98304:XI5uELBTqnVWcXy/Y/HCLJbXTjWr1KExIiCpCM+M:45uELB2ncAy/Y/KhTKzIiCp6M
Malware Config
Signatures
-
Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3532-2-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/3532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/532-131-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/3532-159-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/3532-157-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/3532-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2032-217-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-226-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-230-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-233-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-235-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-238-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-242-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-245-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-247-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-250-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-254-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-257-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-260-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2032-262-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2224 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2032 csrss.exe 2820 injector.exe 1536 windefender.exe 2860 windefender.exe -
resource yara_rule behavioral1/files/0x0012000000023427-220.dat upx behavioral1/memory/1536-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1536-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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.
-
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 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe File created C:\Windows\rss\csrss.exe f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.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 4336 sc.exe -
pid Process 4108 powershell.exe 820 powershell.exe 1612 powershell.exe 4336 powershell.exe 1428 powershell.exe 4988 powershell.exe 4344 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 3592 schtasks.exe 448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.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\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.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\CA\CRLs 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\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard 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,-652 = "AUS Central Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-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,-449 = "Azerbaijan Standard Time" f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4336 powershell.exe 4336 powershell.exe 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 1428 powershell.exe 1428 powershell.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 4988 powershell.exe 4988 powershell.exe 4344 powershell.exe 4344 powershell.exe 4108 powershell.exe 4108 powershell.exe 820 powershell.exe 820 powershell.exe 1612 powershell.exe 1612 powershell.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2032 csrss.exe 2032 csrss.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2032 csrss.exe 2032 csrss.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2032 csrss.exe 2032 csrss.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe 2820 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Token: SeImpersonatePrivilege 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 820 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeSystemEnvironmentPrivilege 2032 csrss.exe Token: SeSecurityPrivilege 4336 sc.exe Token: SeSecurityPrivilege 4336 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3532 wrote to memory of 4336 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 126 PID 3532 wrote to memory of 4336 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 126 PID 3532 wrote to memory of 4336 3532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 126 PID 532 wrote to memory of 1428 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 94 PID 532 wrote to memory of 1428 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 94 PID 532 wrote to memory of 1428 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 94 PID 532 wrote to memory of 4156 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 98 PID 532 wrote to memory of 4156 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 98 PID 4156 wrote to memory of 2224 4156 cmd.exe 100 PID 4156 wrote to memory of 2224 4156 cmd.exe 100 PID 532 wrote to memory of 4988 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 102 PID 532 wrote to memory of 4988 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 102 PID 532 wrote to memory of 4988 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 102 PID 532 wrote to memory of 4344 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 104 PID 532 wrote to memory of 4344 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 104 PID 532 wrote to memory of 4344 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 104 PID 532 wrote to memory of 2032 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 106 PID 532 wrote to memory of 2032 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 106 PID 532 wrote to memory of 2032 532 f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe 106 PID 2032 wrote to memory of 4108 2032 csrss.exe 108 PID 2032 wrote to memory of 4108 2032 csrss.exe 108 PID 2032 wrote to memory of 4108 2032 csrss.exe 108 PID 2032 wrote to memory of 820 2032 csrss.exe 114 PID 2032 wrote to memory of 820 2032 csrss.exe 114 PID 2032 wrote to memory of 820 2032 csrss.exe 114 PID 2032 wrote to memory of 1612 2032 csrss.exe 117 PID 2032 wrote to memory of 1612 2032 csrss.exe 117 PID 2032 wrote to memory of 1612 2032 csrss.exe 117 PID 2032 wrote to memory of 2820 2032 csrss.exe 119 PID 2032 wrote to memory of 2820 2032 csrss.exe 119 PID 1536 wrote to memory of 528 1536 windefender.exe 125 PID 1536 wrote to memory of 528 1536 windefender.exe 125 PID 1536 wrote to memory of 528 1536 windefender.exe 125 PID 528 wrote to memory of 4336 528 cmd.exe 133 PID 528 wrote to memory of 4336 528 cmd.exe 133 PID 528 wrote to memory of 4336 528 cmd.exe 133 -
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
-
C:\Users\Admin\AppData\Local\Temp\f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe"C:\Users\Admin\AppData\Local\Temp\f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4336
-
-
C:\Users\Admin\AppData\Local\Temp\f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.exe"C:\Users\Admin\AppData\Local\Temp\f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4.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:532 -
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:1428
-
-
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:4156 -
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:2224
-
-
-
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:4988
-
-
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:4344
-
-
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:2032 -
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:4108
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3592
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1300
-
-
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:820
-
-
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:1612
-
-
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:2820
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:448
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1536 -
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:528 -
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:4336
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2860
-
C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:4336
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ff0ba264452fd7ff527dc7bd0ff8497
SHA1f35bea6c8e0875959c3dc1c6fb455cecb66f0bee
SHA2561cb2aa3f9241a6720fe2d47a70d7e925d981d1fa96400db5839e320dfd19f347
SHA512f513e1e0854e55903d2827f35cd2bd5474af8056da103e6697e630e65bc7c9d9cc267c1680d6b09d53621cc4df5e73e20c097b65dd73e7105abbd7bf27d17e7c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a80b1850a003046b5253da606093ad29
SHA1478742dc62c8950331439f8040a41fab6c84f296
SHA256bf708e206d4ada446038f2c2afedd70a206e43007efff266ccbfe0f4b70429b9
SHA51202220f671de3d35e13a0d186791419928fc57793ebbadf32ed75605e6d4b692f829ed74ef915fe2ad081ca0254a5bec45a2bdaba65b99a409e9b1bc92169bf55
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7176db7e9978beca5d2dfde33e67baf
SHA165b574df71acd2f7ff85ac0dcf0521f9455a95a5
SHA256fc002497b6d6da754647f37dfc6a21761030c5b2fee806e224b72a1dcb4ea34b
SHA5120bee4773e143dbc008c5362e1b902274e0066456de7ebb390fd2975dec0f61f22d8930bde66cf3a65a18f3fbac47241026fe3f7a9c393d201b83867efe2cb8b6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d96406a4f50db5946b2a12654e90132a
SHA1a15af73147480c8364efe441605bf133d3733432
SHA2563734b165c028c3dbf6e0c42cd2f601442f17cced7fe2adf42493f003c43112a2
SHA51271bb90a0c295b4f5559b3397ff7c20287f1e6353ab2e49021d9af2e07c5c5fd4f3dcc7839ce32d1820fbff834539ef06ff42169219c1c06737e84686b1a43ad4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52540753917508646ecfdca973ed9654d
SHA1a4b7c53c2af62c95e0e2336f149be57517942190
SHA25682338029fafc4198e47356ba51e6cf7af9cbd63947ba84cc127eb0c40800a14f
SHA5122b268f93ed37d03b2ff6834b45b8f2c89dedda1da104744708963922342777e04438e6994e0bde59f2d690c612e6edfbeaff2175bd9c6a3ecc557c2de8387f96
-
Filesize
4.2MB
MD54e4f3b57f27c4777db68b3d7bfde90f7
SHA110a4b635054778bd6187408387f87198b65fa425
SHA256f5fad55768c6ce6286b44a3893f1ccceac42cec21ab58c2052f2c55c73e6d6b4
SHA512bb572850dcaad0fc9ef0b1b20f87a2e1fcf03cec027d37ad05293e0b0e3cd5cccbf6f2413bcbdb6eb7f467a290b1e5fa767d322dffd495065a4807aa6ed65986
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec