Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/05/2024, 15:16
Static task
static1
Behavioral task
behavioral1
Sample
7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe
Resource
win10v2004-20240508-en
General
-
Target
7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe
-
Size
4.1MB
-
MD5
04f26d95f8e49230d5aa58305f6e7237
-
SHA1
8a403a29ac06705fcab7ab11188df22f39f0a45f
-
SHA256
7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a
-
SHA512
ea7d3d0766f6cd61f7f481813e492d905622deeefb7970a0821eb775b839dcdf181e95b303b9b62e55071b00e431f2c1cc3d3eb2e51c3bb7533a9c1f47db0535
-
SSDEEP
98304:z3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTS:z3/aer8lIiPc9ySnggpxAJiIuBVpFiie
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3056-2-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/3056-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3056-136-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/3056-134-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/492-193-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3056-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2644-201-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-213-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-253-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2644-257-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4892 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2644 csrss.exe 2264 injector.exe 2620 windefender.exe 4104 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa30-206.dat upx behavioral2/memory/2620-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4104-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4104-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4104-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe File created C:\Windows\rss\csrss.exe 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.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 1084 sc.exe -
pid Process 3724 powershell.exe 2176 powershell.exe 3356 powershell.exe 2088 powershell.exe 2016 powershell.exe 3204 powershell.exe 3156 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 1548 schtasks.exe 4780 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.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,-672 = "AUS Eastern Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard 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" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe 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,-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\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2088 powershell.exe 2088 powershell.exe 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 2016 powershell.exe 2016 powershell.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 3204 powershell.exe 3204 powershell.exe 3156 powershell.exe 3156 powershell.exe 3724 powershell.exe 3724 powershell.exe 2176 powershell.exe 2176 powershell.exe 3356 powershell.exe 3356 powershell.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2644 csrss.exe 2644 csrss.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2644 csrss.exe 2644 csrss.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2644 csrss.exe 2644 csrss.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Token: SeImpersonatePrivilege 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe Token: SeDebugPrivilege 2016 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 3356 powershell.exe Token: SeSystemEnvironmentPrivilege 2644 csrss.exe Token: SeSecurityPrivilege 1084 sc.exe Token: SeSecurityPrivilege 1084 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3056 wrote to memory of 2088 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 78 PID 3056 wrote to memory of 2088 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 78 PID 3056 wrote to memory of 2088 3056 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 78 PID 492 wrote to memory of 2016 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 83 PID 492 wrote to memory of 2016 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 83 PID 492 wrote to memory of 2016 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 83 PID 492 wrote to memory of 5020 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 85 PID 492 wrote to memory of 5020 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 85 PID 5020 wrote to memory of 4892 5020 cmd.exe 87 PID 5020 wrote to memory of 4892 5020 cmd.exe 87 PID 492 wrote to memory of 3204 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 88 PID 492 wrote to memory of 3204 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 88 PID 492 wrote to memory of 3204 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 88 PID 492 wrote to memory of 3156 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 90 PID 492 wrote to memory of 3156 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 90 PID 492 wrote to memory of 3156 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 90 PID 492 wrote to memory of 2644 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 92 PID 492 wrote to memory of 2644 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 92 PID 492 wrote to memory of 2644 492 7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe 92 PID 2644 wrote to memory of 3724 2644 csrss.exe 93 PID 2644 wrote to memory of 3724 2644 csrss.exe 93 PID 2644 wrote to memory of 3724 2644 csrss.exe 93 PID 2644 wrote to memory of 2176 2644 csrss.exe 98 PID 2644 wrote to memory of 2176 2644 csrss.exe 98 PID 2644 wrote to memory of 2176 2644 csrss.exe 98 PID 2644 wrote to memory of 3356 2644 csrss.exe 101 PID 2644 wrote to memory of 3356 2644 csrss.exe 101 PID 2644 wrote to memory of 3356 2644 csrss.exe 101 PID 2644 wrote to memory of 2264 2644 csrss.exe 103 PID 2644 wrote to memory of 2264 2644 csrss.exe 103 PID 2620 wrote to memory of 1840 2620 windefender.exe 109 PID 2620 wrote to memory of 1840 2620 windefender.exe 109 PID 2620 wrote to memory of 1840 2620 windefender.exe 109 PID 1840 wrote to memory of 1084 1840 cmd.exe 110 PID 1840 wrote to memory of 1084 1840 cmd.exe 110 PID 1840 wrote to memory of 1084 1840 cmd.exe 110 -
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\7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe"C:\Users\Admin\AppData\Local\Temp\7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2088
-
-
C:\Users\Admin\AppData\Local\Temp\7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.exe"C:\Users\Admin\AppData\Local\Temp\7cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a.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:492 -
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:2016
-
-
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:5020 -
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:4892
-
-
-
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:3204
-
-
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:3156
-
-
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:2644 -
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:3724
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1548
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3420
-
-
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:2176
-
-
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:3356
-
-
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:2264
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4780
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2620 -
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:1840 -
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:1084
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4104
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56483ac7bb60472318c734e3dfdea33d2
SHA1dce986535bd723a73325db830b8e842f4c1edd2f
SHA25657e5f4b110fbd156e444c7662ae06d7e4ab097540d9a274ad14271db3b70ac3d
SHA5120c19ff772b57a942863c669f695386e6d020f7a7373cb7dc3ea73b073f357e4faa4e0e1ad35fa3f65611c39d534a4a6c400fcb610736527265cd1fddcc14d4dd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD501ee16ea462f25520d272de4cb398702
SHA132b63aa2a6c46bf69320c95afb264d04465644ab
SHA2567fa32f14120622b97744fd6d2422cc83b03d381012d21f33f9c775edee5242a7
SHA512d26bfbc9bfe663302f7b4a59f1a5c625de045f7b6cb259bc923895c023809ad0705abd595af4ff26c0dc816d38deed1aa7f60dafb145c15cad8cb53d0ae535cc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52dfa8fbe25c2c8d4d7ee489e42963480
SHA17f4ffdd14b2fb66d853e5cb1807d1f6a6e5d574d
SHA2567ecbce78f4e95ff3fd884b74dd86890a5fb4d9fe26a676ff6f31dafe48a45abf
SHA512371bccd48254dfd60c71db4d3dea20047657449327bba1ac372ec8577c30c69ef24edacc910cf2533f46f25f80f6cf3d0fade5616a72b37237d7c0e08b873ac9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d969058315190c074a32a1e7bc3fda6
SHA1d06041c450a8333d6a3642b940d3684a2732fefa
SHA25630ef4fbcd80c88da4fc6509e024873d1bee44eaae8c6de23a299e18c4f4d9d70
SHA51271b7c4b55a2c5df99637b314bbdaefa87fe0ad8b05ad9b88bcc6d1078016d9df89fae48eb899a18381811e9e8d0e2f40794462eb01c465afce0a99ebc690ea69
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4284afbfbb525752c40c5c8fbd874b8
SHA12c7a743656acf5c933f9c49cbce2ef1c40060273
SHA25602c9ccdffb537b9a6847e507d06f2adace95232ecc5ac018285a3c8930d732e9
SHA512b6c55905bd9f4f57f68d856f5f12f081d35b2336f95daa3eb33544e9ce92a6be2800ff583c0d1b00a8e97b64e6b4aa25ead84891243adde2aea58f9706c5adcc
-
Filesize
4.1MB
MD504f26d95f8e49230d5aa58305f6e7237
SHA18a403a29ac06705fcab7ab11188df22f39f0a45f
SHA2567cbf6da276a1f51d7571da42c1407a73e36e4603296af4378534e55ea1593f5a
SHA512ea7d3d0766f6cd61f7f481813e492d905622deeefb7970a0821eb775b839dcdf181e95b303b9b62e55071b00e431f2c1cc3d3eb2e51c3bb7533a9c1f47db0535
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec