Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/04/2024, 15:23
Static task
static1
Behavioral task
behavioral1
Sample
7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe
Resource
win10v2004-20240412-en
General
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Target
7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe
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Size
4.2MB
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MD5
62e5ba5c5e1069ce77b4936899d8d7f2
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SHA1
dbfce57e0a013f9e1fb6ebe568da1d5487c29c50
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SHA256
7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712
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SHA512
97e8dc2e767239e0efaa69f893945ff6c67b0af0960b9832f3bcfeb90c63627a9ea9800b6f08e4e8139afdec3bf42be4c2ae4d2336efb9bfdde19dad3ff72081
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SSDEEP
98304:CxHJmYSDqVSQeMaGGeRVYv8zXkXo8rHLtDyi4A:GUMVyMMeRP7kXhr0i4A
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral2/memory/2016-2-0x0000000005210000-0x0000000005AFB000-memory.dmp family_glupteba behavioral2/memory/2016-3-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2016-24-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2016-51-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2016-53-0x0000000005210000-0x0000000005AFB000-memory.dmp family_glupteba behavioral2/memory/2848-55-0x0000000005230000-0x0000000005B1B000-memory.dmp family_glupteba behavioral2/memory/2848-56-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2848-84-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2848-89-0x0000000004E20000-0x0000000005226000-memory.dmp family_glupteba behavioral2/memory/2848-102-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2848-115-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/2848-147-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-211-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-243-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-252-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-253-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-255-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-257-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-259-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-261-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-263-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral2/memory/4968-265-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4968 csrss.exe 4528 injector.exe 3892 windefender.exe 4428 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa7b-247.dat upx behavioral2/memory/3892-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4812 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4496 2016 WerFault.exe 80 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 112 schtasks.exe 4924 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\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\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2896 powershell.exe 2896 powershell.exe 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 4972 powershell.exe 4972 powershell.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 1952 powershell.exe 1952 powershell.exe 1944 powershell.exe 1944 powershell.exe 2216 powershell.exe 2216 powershell.exe 1376 powershell.exe 1376 powershell.exe 4212 powershell.exe 4212 powershell.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4968 csrss.exe 4968 csrss.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4968 csrss.exe 4968 csrss.exe 4528 injector.exe 4528 injector.exe 4968 csrss.exe 4968 csrss.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe 4528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2896 powershell.exe Token: SeDebugPrivilege 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Token: SeImpersonatePrivilege 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 1944 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 4212 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 4812 sc.exe Token: SeSecurityPrivilege 4812 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2896 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 82 PID 2016 wrote to memory of 2896 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 82 PID 2016 wrote to memory of 2896 2016 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 82 PID 2848 wrote to memory of 4972 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 90 PID 2848 wrote to memory of 4972 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 90 PID 2848 wrote to memory of 4972 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 90 PID 2848 wrote to memory of 2568 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 92 PID 2848 wrote to memory of 2568 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 92 PID 2568 wrote to memory of 3436 2568 cmd.exe 94 PID 2568 wrote to memory of 3436 2568 cmd.exe 94 PID 2848 wrote to memory of 1952 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 96 PID 2848 wrote to memory of 1952 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 96 PID 2848 wrote to memory of 1952 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 96 PID 2848 wrote to memory of 1944 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 98 PID 2848 wrote to memory of 1944 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 98 PID 2848 wrote to memory of 1944 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 98 PID 2848 wrote to memory of 4968 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 100 PID 2848 wrote to memory of 4968 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 100 PID 2848 wrote to memory of 4968 2848 7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe 100 PID 4968 wrote to memory of 2216 4968 csrss.exe 101 PID 4968 wrote to memory of 2216 4968 csrss.exe 101 PID 4968 wrote to memory of 2216 4968 csrss.exe 101 PID 4968 wrote to memory of 1376 4968 csrss.exe 107 PID 4968 wrote to memory of 1376 4968 csrss.exe 107 PID 4968 wrote to memory of 1376 4968 csrss.exe 107 PID 4968 wrote to memory of 4212 4968 csrss.exe 109 PID 4968 wrote to memory of 4212 4968 csrss.exe 109 PID 4968 wrote to memory of 4212 4968 csrss.exe 109 PID 4968 wrote to memory of 4528 4968 csrss.exe 111 PID 4968 wrote to memory of 4528 4968 csrss.exe 111 PID 3892 wrote to memory of 2680 3892 windefender.exe 117 PID 3892 wrote to memory of 2680 3892 windefender.exe 117 PID 3892 wrote to memory of 2680 3892 windefender.exe 117 PID 2680 wrote to memory of 4812 2680 cmd.exe 118 PID 2680 wrote to memory of 4812 2680 cmd.exe 118 PID 2680 wrote to memory of 4812 2680 cmd.exe 118 -
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\7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe"C:\Users\Admin\AppData\Local\Temp\7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Users\Admin\AppData\Local\Temp\7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.exe"C:\Users\Admin\AppData\Local\Temp\7498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712.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:2848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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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:2568 -
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:3436
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1944
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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:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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:4924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212
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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:4528
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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:112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3892 -
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:2680 -
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:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 6722⤵
- Program crash
PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2016 -ip 20161⤵PID:4772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4428
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccc15c2876a1414beb91438d3ad7a4b5
SHA15f830dfa4e80be8935319fc2c86d991d1b1a384f
SHA256d60dd2cbba56213be31caa0d578b2577e6cad7c4112407ad9886a61d5e6591a6
SHA51205aa94ad981229a39b3b4b95de6e26dd8fe702c01d0011ed6f4caee0d84ca5d2178dce6551ff063df1fd9f5a6cee7ea96ac43ec60ad56615cbd4d6bbc7dacc77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c3d777b5d3f2921e7c135288b832be5
SHA180056fde3bbf4c94578cb4d9aa47cf10d7da624c
SHA256818638b684bde65fcebe43c0d1ef5a97a0266fe8bca697ddfc661c197f4c251f
SHA5128fc684940fdca88759565e97ca0b7bfa549a484e9c96b1117e5a40c33212acf8250c0a7c185c04928113466d8dfede3645c72bf29387d618d66ee06469d0fbc0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562473b100a08a2332f7c293329eced5a
SHA14d31c77b98ad3dc1e88713e44a3a28a9f4c99a37
SHA256d8ede8b7cd87c9603e3e53a7c2a25d8ea9ad9610300840d005c29feeed9314ca
SHA5124792327996314f847ab0b2ab6005e91bc48c8da23c62007de8870e136b10828cc57eaeb31226676af800889488eb45c6e4a53b3068a4bac4274d7fccd8ed1c28
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595be32492203345b6d58a44579e74cd4
SHA173691942e528bdfdb7dc2aa84c3f25408aa20f61
SHA2562ae348e63b2405567e5ab9027da86a3c793c67998a97dd5f65fb3041dbab65f5
SHA512faf876125c268278be8dd0e4842f5c9024da966849a467f1e451b6c00f49babffc8ccca641853af172ad40f8fec07263d16a91090ddb92604e784559fce05acc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579e90fff72aee6fa56ee6844cb5d577c
SHA1504e2302613a66bf8a461e16070479702fdc6bc0
SHA25604488b0812555773eb688026fb6b3889d019c31ebf8c8fa5110b6f481d594b7b
SHA512ce898976da07bf4ab8014968bce60c15977314c08e87aa1a19bf9cfc47df4c9eac0a5656a1b43e293c6434d7e73db7a4cacbe2b5a2c3870c5c382e39ec1b4b0b
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Filesize
4.2MB
MD562e5ba5c5e1069ce77b4936899d8d7f2
SHA1dbfce57e0a013f9e1fb6ebe568da1d5487c29c50
SHA2567498cd40264b4845076f25587d90c6951158eadc8ea1fc08c3f133c3c38b4712
SHA51297e8dc2e767239e0efaa69f893945ff6c67b0af0960b9832f3bcfeb90c63627a9ea9800b6f08e4e8139afdec3bf42be4c2ae4d2336efb9bfdde19dad3ff72081
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec