Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
19/05/2024, 11:14
Static task
static1
Behavioral task
behavioral1
Sample
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
Resource
win10v2004-20240426-en
General
- Target d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
- Size 4.1MB
- Sample240519-nb5z8sfc33
- SHA256 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
- MD5 a3f749fce2a2b6ef0a2767ffeb8f0b69
- SHA1 79c912e540b5c9f9a74207d1f13fff40ddca5f73
- SHA512 2324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
- SSDEEP 98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2q:1H+PiSfw6Rz4ejOEAZ44S5J5ww2q
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3136-2-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/3136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3136-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3136-57-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/3136-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/5552-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-197-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-206-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-210-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1940 netsh.exe - Executes dropped EXE 4 IoCs
pid Process 3656 csrss.exe 3952 injector.exe 5568 windefender.exe 2564 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023423-200.dat upx behavioral1/memory/5568-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5568-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-229-0x0000000000400000-0x00000000008DF000-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\"" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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 6 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 - 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 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe File created C:\Windows\rss\csrss.exe d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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 1556 sc.exe -
pid Process 5540 powershell.exe 2404 powershell.exe 1168 powershell.exe 772 powershell.exe 2824 powershell.exe 5560 powershell.exe 1252 powershell.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1568 3136 WerFault.exe 81 - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2016 schtasks.exe 5228 schtasks.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe 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,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.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,-571 = "China Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.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,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-131 = "US Eastern Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1252 powershell.exe 1252 powershell.exe 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5540 powershell.exe 5540 powershell.exe 5540 powershell.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 2404 powershell.exe 2404 powershell.exe 1168 powershell.exe 1168 powershell.exe 1168 powershell.exe 772 powershell.exe 772 powershell.exe 5560 powershell.exe 5560 powershell.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe - Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 1252 powershell.exe Token: SeDebugPrivilege 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeImpersonatePrivilege 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeDebugPrivilege 5540 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 5560 powershell.exe Token: SeSystemEnvironmentPrivilege 3656 csrss.exe Token: SeSecurityPrivilege 1556 sc.exe Token: SeSecurityPrivilege 1556 sc.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 1236 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 101 PID 5552 wrote to memory of 1236 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 101 PID 1236 wrote to memory of 1940 1236 cmd.exe 103 PID 1236 wrote to memory of 1940 1236 cmd.exe 103 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 3952 3656 csrss.exe 121 PID 3656 wrote to memory of 3952 3656 csrss.exe 121 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 - 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\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1252
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C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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:5552 -
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:5540
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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:1236 -
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:1940
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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:2404
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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:1168
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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:3656 -
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:772
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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:2016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:2824
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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:5560
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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:3952
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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:5228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5568 -
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:2516 -
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:1556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 6522⤵
- Program crash
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3136 -ip 31361⤵PID:4932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2564
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
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n2cz32mz.klf.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
- Size 281KB
- SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
- MD5 d98e33b66343e7c96158444127a117f6
- SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
- SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
- SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 d082b13ef2367a0535dd30064b222e76380eda7660545a314dbfdb62d831945e
- MD5 49b22d663694c571719440f0f393caff
- SHA1 e3032554e57c89b5c8eed9793a77403088bd8875
- SHA512 f0df6876c85e0cff722fc96534cabddc6b5e936cb8ae663dca3392f27ed1073cc9412aed6fe2e94e4e67a73950c0078b888e96e27cd4f1adeee68c520da6f2c0
- SSDEEP 384:fsf+B19RBGG+hugarpJkv2FikKeYFTpfeT/IOocmMHtJc1TjW54+nFbOuj3lu0Og:UfgGarYuFikN8TpfQB7y1T84ublb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 33902ebcfbb03db27b9436ebe5c23b1d48f2ed03cba5f7dd5e7509b132d8d454
- MD5 1fe8b5de1796cab22209bb12f071ed1e
- SHA1 793d4994066c7e40f70361077625bd89fa07afcb
- SHA512 b9ac14214902ffda164715e88baff1f469376d471c1df778eecfef9c7f44b5350d4c353b37557df4e13ada25d76a4c216731b58f7cb985f7b68b932095800e0f
- SSDEEP 384:fsf+BHRBIa2NDYtgcEZ7Pp3QLYFFNpfemxwUOEcmtqhokm1E8+nFbOuj3lup2Og:UfEIfEjiPp3QL8FNpfQZKyI1G4ublH
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 a8133686328ae837b9839993b78e6176c378e5f60a26a6af33c7ba7bb02a7c73
- MD5 0910efa8f827f3c46a83b07e57ab1695
- SHA1 120a88807306d0625f1e77ce440c87a345b9c8a0
- SHA512 d83fd7ce38f56666105cfaa4e1318a159355840bff064dc759eeb9de586729921c34a65d74325527084bdeb75907a837e7d51b35f0d4037803a20fc6ffe56ae2
- SSDEEP 384:wsf+BHRB5j2VqaEPlk6o9oR9VYFFNpfNi7/IOiP1Ypoku1E8+nFbOuj3lup2Og:9fE5aq3ePoR9V8FNpfQ7qYQ1G4ublH
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 4fa152715a20727f9ecac8394c609d5144b31b3a270d756f5292f5add9dcf22b
- MD5 f3ec8eddfd22db65087cb932c698a078
- SHA1 fdfb5643e27515d335a861eb90f82f63cd7e6f7e
- SHA512 df05d1a8297b666c6f2bbe7f17d43543f0a56d0f5247961071014e06c99029c6e027398263896f747b57379d007437a055170c9d68408a104a747854f06dd645
- SSDEEP 384:Nsf+BX9m+UvgkdlbQrd3k4o9otLT9K6seYbnei8v/ZpwMHhOqEIjaLpqZbObTUSS:Sf5vpdVGqtotLT9N+nwvhOqEIk4qMg2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\rss\csrss.exe
- Size 4.1MB
- SHA256 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
- MD5 a3f749fce2a2b6ef0a2767ffeb8f0b69
- SHA1 79c912e540b5c9f9a74207d1f13fff40ddca5f73
- SHA512 2324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
- SSDEEP 98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2q:1H+PiSfw6Rz4ejOEAZ44S5J5ww2q
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\windefender.exe
- Size 2.0MB
- SHA256 166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
- MD5 8e67f58837092385dcf01e8a2b4f5783
- SHA1 012c49cfd8c5d06795a6f67ea2baf2a082cf8625
- SHA512 40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
- SSDEEP 49152:y+SUiJeHpNnxG745Mfi39uXrbcI6DOdVgeuaNjwAx1bJljkv6kXjxNh:fdlHA4yiN8cI6SX3hbJCvhx
- MD5 SHA1 SHA512 SSDEEP