Analysis
-
max time kernel
149s -
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 11:36
Static task
static1
Behavioral task
behavioral1
Sample
3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe
Resource
win10v2004-20240426-en
General
-
Target
3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe
-
Size
4.1MB
-
MD5
87c2300c2a2b3dcf005a494e100838bd
-
SHA1
75f415612f4d9cd38526f9c9838483a540a682dc
-
SHA256
3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc
-
SHA512
4cadfc8d5d01216f5d034291a8451d3991d201cae6b191857d34da2b18e771e98e1d32a689ef9343dd45608f0beefd20612c285d2c129de3180b00944c9f0125
-
SSDEEP
98304:ek/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6w:en6bazjovoyoHfX3/GYHD
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2332-2-0x0000000004400000-0x0000000004CEB000-memory.dmp family_glupteba behavioral1/memory/2332-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2332-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2332-57-0x0000000004400000-0x0000000004CEB000-memory.dmp family_glupteba behavioral1/memory/2332-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4896-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4968-252-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4968 csrss.exe 2644 injector.exe 3220 windefender.exe 2744 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023455-223.dat upx behavioral1/memory/3220-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2744-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3220-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2744-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2744-235-0x0000000000400000-0x00000000008DF000-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\"" csrss.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\"" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.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 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 -
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 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe File created C:\Windows\rss\csrss.exe 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.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 4812 sc.exe -
pid Process 2280 powershell.exe 1508 powershell.exe 3508 powershell.exe 4160 powershell.exe 680 powershell.exe 4248 powershell.exe 1664 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4480 4896 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4928 schtasks.exe 1604 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,-2041 = "Eastern Daylight Time (Mexico)" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-2371 = "Easter Island Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa 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" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-132 = "US Eastern 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,-2611 = "Bougainville Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1508 powershell.exe 1508 powershell.exe 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 3508 powershell.exe 3508 powershell.exe 3508 powershell.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 4160 powershell.exe 4160 powershell.exe 680 powershell.exe 680 powershell.exe 4248 powershell.exe 4248 powershell.exe 4248 powershell.exe 1664 powershell.exe 1664 powershell.exe 2280 powershell.exe 2280 powershell.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 4968 csrss.exe 4968 csrss.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 4968 csrss.exe 4968 csrss.exe 2644 injector.exe 2644 injector.exe 4968 csrss.exe 4968 csrss.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Token: SeImpersonatePrivilege 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe Token: SeDebugPrivilege 3508 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 2280 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 2332 wrote to memory of 1508 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 88 PID 2332 wrote to memory of 1508 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 88 PID 2332 wrote to memory of 1508 2332 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 88 PID 4896 wrote to memory of 3508 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 96 PID 4896 wrote to memory of 3508 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 96 PID 4896 wrote to memory of 3508 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 96 PID 4896 wrote to memory of 1528 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 102 PID 4896 wrote to memory of 1528 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 102 PID 1528 wrote to memory of 5096 1528 cmd.exe 104 PID 1528 wrote to memory of 5096 1528 cmd.exe 104 PID 4896 wrote to memory of 4160 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 105 PID 4896 wrote to memory of 4160 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 105 PID 4896 wrote to memory of 4160 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 105 PID 4896 wrote to memory of 680 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 109 PID 4896 wrote to memory of 680 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 109 PID 4896 wrote to memory of 680 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 109 PID 4896 wrote to memory of 4968 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 111 PID 4896 wrote to memory of 4968 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 111 PID 4896 wrote to memory of 4968 4896 3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe 111 PID 4968 wrote to memory of 4248 4968 csrss.exe 115 PID 4968 wrote to memory of 4248 4968 csrss.exe 115 PID 4968 wrote to memory of 4248 4968 csrss.exe 115 PID 4968 wrote to memory of 1664 4968 csrss.exe 121 PID 4968 wrote to memory of 1664 4968 csrss.exe 121 PID 4968 wrote to memory of 1664 4968 csrss.exe 121 PID 4968 wrote to memory of 2280 4968 csrss.exe 123 PID 4968 wrote to memory of 2280 4968 csrss.exe 123 PID 4968 wrote to memory of 2280 4968 csrss.exe 123 PID 4968 wrote to memory of 2644 4968 csrss.exe 125 PID 4968 wrote to memory of 2644 4968 csrss.exe 125 PID 3220 wrote to memory of 4480 3220 windefender.exe 131 PID 3220 wrote to memory of 4480 3220 windefender.exe 131 PID 3220 wrote to memory of 4480 3220 windefender.exe 131 PID 4480 wrote to memory of 4812 4480 cmd.exe 132 PID 4480 wrote to memory of 4812 4480 cmd.exe 132 PID 4480 wrote to memory of 4812 4480 cmd.exe 132 -
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\3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe"C:\Users\Admin\AppData\Local\Temp\3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
-
-
C:\Users\Admin\AppData\Local\Temp\3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.exe"C:\Users\Admin\AppData\Local\Temp\3bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc.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:4896 -
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:3508
-
-
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:1528 -
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:5096
-
-
-
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:4160
-
-
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:680
-
-
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
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4928
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4900
-
-
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:1664
-
-
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:2280
-
-
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:2644
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1604
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3220 -
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:4480 -
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
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 8243⤵
- Program crash
PID:4480
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4896 -ip 48961⤵PID:2860
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2744
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD598b1f604eacfcdb0d7e2085441cb8407
SHA12e53d0adc7cf66cc03952e1f8d3c93dae7114b2c
SHA2566f8c30d68711e71ef2c9cc0664769858c2e987b7c7ced55d961b973955f332d4
SHA512e1aa5f5f8aa7dc7dc6885a69594544c9599510b728bdba7b8d2b80199396045f9d73f51c6b2285ac30a679bb422fb1b375d2e58e4cfcc9bf0225ea7fb5250637
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ad14f3c05894b0eefa1f03e2617564d
SHA17982ddc7ea374112dc93b0bbc663a2a8c8859736
SHA256f9022737e5a5ca95e42bc0b85e5804e0623a5643f84951b010c7902ee72ffb6b
SHA51254956395a951a91a5c9c33822dee81a5a6f202aabd628b87f1ba372255e2d7b0400dabfcc55a845fd7ea3ec0345cefce45a92713b95f470e2605ee98c0f9f5d6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d029a8b10a540289eaa823b36e7befb
SHA1a71324332861de05b950dfa07755e42a97204537
SHA256c4601628dab6834c9e6e044e121622cb1acfc21e22cbfc24cc76ed5074949101
SHA5124fe47efffa831cadd8b4bb5b3a11e95d2bc051fb6462e03995871d7e0219e3923107a2e8b0675bb580faec1875aada612cb864cfdc468c1b7a26a921f4b77bb9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581924172b2e20114b6d99292823a7203
SHA18ab7adb69ac9df3fe2bb56f1a3243f79ba7b4b36
SHA256a2d56579b07339e1d3b38658e95524564cea31d4cbacd7b49215645ed66a0b22
SHA512756da40c060d3f1efeaf8f73bf164e0cac75bf0efa451114235e97996b6bd4b935bfaee660037f75ed8bcd40d243bc5179ba9a5ec9def6e98910fbe5b1b349be
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528cebeb719a25eccc1522b3dac384a8b
SHA199a650ff0c31faf060115d825c3b0ff5d65309f3
SHA256083d7123f2ec2b1df965756da920f917ddfb7c0513307cdc15401a3139757b13
SHA512796f5ac4214fecd8f3a8f6a3db9c5f5bdd18b0fda37b6c32f6bd2ccc63b0a89d4905472b958c92d9e00e1a5149c150c533b58234db66abd76c7e92de59b761c7
-
Filesize
4.1MB
MD587c2300c2a2b3dcf005a494e100838bd
SHA175f415612f4d9cd38526f9c9838483a540a682dc
SHA2563bb65294044dc41ab7a4019d051957a2158afdfd2c70199e06f9087a39027adc
SHA5124cadfc8d5d01216f5d034291a8451d3991d201cae6b191857d34da2b18e771e98e1d32a689ef9343dd45608f0beefd20612c285d2c129de3180b00944c9f0125
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec