Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe
Resource
win10v2004-20240412-en
General
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Target
0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe
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Size
4.2MB
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MD5
d84397dede99042bb8edc878c1443c5a
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SHA1
830660be591f0a89704bd90181f4f79863507ed3
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SHA256
0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9
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SHA512
73240b71af1fd30a8cf2f62ea30be071c127dcb6b165ca2dc69bfb091188d8b30902a89bfd9ef12c37c59ffe998b7c7643a5fa8799079ec751276940ddc7017b
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SSDEEP
98304:B00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGl:TpJcNpX++PyaASVpB6kA
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3828-2-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral1/memory/3828-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3828-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3256-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3828-59-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral1/memory/3256-137-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3256-157-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3244-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3244 csrss.exe 4876 injector.exe 2328 windefender.exe 4852 windefender.exe -
resource yara_rule behavioral1/files/0x0014000000023421-261.dat upx behavioral1/memory/2328-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4852-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4852-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4852-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe File created C:\Windows\rss\csrss.exe 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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 624 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1708 3828 WerFault.exe 83 432 3256 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2384 schtasks.exe 3888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard 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,-449 = "Azerbaijan Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4068 powershell.exe 4068 powershell.exe 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 2428 powershell.exe 2428 powershell.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 2328 powershell.exe 2328 powershell.exe 2328 powershell.exe 4572 powershell.exe 4572 powershell.exe 4572 powershell.exe 3908 powershell.exe 3908 powershell.exe 3908 powershell.exe 4836 powershell.exe 4836 powershell.exe 4836 powershell.exe 2208 powershell.exe 2208 powershell.exe 2208 powershell.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 3244 csrss.exe 3244 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 3244 csrss.exe 3244 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 3244 csrss.exe 3244 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Token: SeImpersonatePrivilege 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 2328 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeSystemEnvironmentPrivilege 3244 csrss.exe Token: SeSecurityPrivilege 624 sc.exe Token: SeSecurityPrivilege 624 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3828 wrote to memory of 4068 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 88 PID 3828 wrote to memory of 4068 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 88 PID 3828 wrote to memory of 4068 3828 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 88 PID 3256 wrote to memory of 2428 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 96 PID 3256 wrote to memory of 2428 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 96 PID 3256 wrote to memory of 2428 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 96 PID 3256 wrote to memory of 4324 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 102 PID 3256 wrote to memory of 4324 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 102 PID 4324 wrote to memory of 860 4324 cmd.exe 104 PID 4324 wrote to memory of 860 4324 cmd.exe 104 PID 3256 wrote to memory of 2328 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 128 PID 3256 wrote to memory of 2328 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 128 PID 3256 wrote to memory of 2328 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 128 PID 3256 wrote to memory of 4572 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 108 PID 3256 wrote to memory of 4572 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 108 PID 3256 wrote to memory of 4572 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 108 PID 3256 wrote to memory of 3244 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 110 PID 3256 wrote to memory of 3244 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 110 PID 3256 wrote to memory of 3244 3256 0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe 110 PID 3244 wrote to memory of 3908 3244 csrss.exe 113 PID 3244 wrote to memory of 3908 3244 csrss.exe 113 PID 3244 wrote to memory of 3908 3244 csrss.exe 113 PID 3244 wrote to memory of 4836 3244 csrss.exe 120 PID 3244 wrote to memory of 4836 3244 csrss.exe 120 PID 3244 wrote to memory of 4836 3244 csrss.exe 120 PID 3244 wrote to memory of 2208 3244 csrss.exe 122 PID 3244 wrote to memory of 2208 3244 csrss.exe 122 PID 3244 wrote to memory of 2208 3244 csrss.exe 122 PID 3244 wrote to memory of 4876 3244 csrss.exe 124 PID 3244 wrote to memory of 4876 3244 csrss.exe 124 PID 2328 wrote to memory of 2616 2328 windefender.exe 130 PID 2328 wrote to memory of 2616 2328 windefender.exe 130 PID 2328 wrote to memory of 2616 2328 windefender.exe 130 PID 2616 wrote to memory of 624 2616 cmd.exe 131 PID 2616 wrote to memory of 624 2616 cmd.exe 131 PID 2616 wrote to memory of 624 2616 cmd.exe 131 -
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\0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe"C:\Users\Admin\AppData\Local\Temp\0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068
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C:\Users\Admin\AppData\Local\Temp\0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.exe"C:\Users\Admin\AppData\Local\Temp\0b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9.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:3256 -
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:2428
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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:4324 -
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:860
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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:2328
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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:4572
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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:3244 -
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:3908
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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:2384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1200
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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:4836
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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:2208
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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:4876
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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:3888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2328 -
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:2616 -
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:624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 9083⤵
- Program crash
PID:432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 7642⤵
- Program crash
PID:1708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3828 -ip 38281⤵PID:1668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3256 -ip 32561⤵PID:4208
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4852
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fd648f321ccf444329121c92b4be483
SHA10a0adf984dc96159a61c218125f751ad317d4241
SHA256bc2cbbc1c18f062fd496110e46789369b5a4b361f57ea54d79669d524680d21f
SHA512c23967997dedaeef730b334a1e1f8d2e2375fe4b153b8beae8336f3bd5545d278916ca3373d84d4f9211308a6e7596b9c7c8a18d454c3c7cfe0ea7c32aa91b52
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5222951843a036b992013cfe467f9d86c
SHA11c9259ef2bf26181986cd9795e6d08dffee62fec
SHA2560d7b53459c78e6b0d497ad42aeed5c7469bf88c6be0488b1ca3e5c58e910052a
SHA512f2a6dacdc401b97c3d5647e01a1d7295dcab7e409caae6e05d7fc46c6eaf645b0f8487a44649ed20cbdef9043c4a1b6066b075fb1a1e40030ad8584d33d395d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589fd43077e4732b250b1e7b4c308c765
SHA15af013dae9a030a132984792086e81d010c9da2e
SHA2561928b4c5015595deb778d1c787acb10e96c730ff47e76b29e504bbea58ffac32
SHA512b5493a9c6fbd78847f49ffdeb0976c36c8374c8cb7380e1eaff701c806003469f18718acc21c5e08aebae9b90e86aface018d3af96b3d5798044c9d953c18730
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f883aefa6f32b42779b39e278a59d36
SHA129ba90ba07d347dd503fb20a43b271c635885bc6
SHA256f161df019d050c7b080520cce32da82506a55eb5ecb2236f80c31c0a68513ed4
SHA512e56a14786aa2762038eb93272a8445bc6217cb306ca37b659a5a8c67c1f5c0159a2066cefc39566281ad371b4a391981c28272ef9f3ccfb5b8a67682ab4bed39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3e1f5685c351d6081ad56a88f29c1c3
SHA1862541810d50303803edfaa432201734cabfe4af
SHA2564c52f570600ac7d2b70ab012c90f0b93ad628566a3fae82c09b5bf529887443c
SHA5121f6678a7c1d8f1b4a0fc22cd73a4aed20de8f49e08ea3ee84151d76085a83b10376642f5f30ed55735ed80799decedf594d0a9aafa8225ac265200428c77a18c
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Filesize
4.2MB
MD5d84397dede99042bb8edc878c1443c5a
SHA1830660be591f0a89704bd90181f4f79863507ed3
SHA2560b647d445fa52b03f2a345b8ecffa10fd53f5e44a3be69e1290dccb64ece77c9
SHA51273240b71af1fd30a8cf2f62ea30be071c127dcb6b165ca2dc69bfb091188d8b30902a89bfd9ef12c37c59ffe998b7c7643a5fa8799079ec751276940ddc7017b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec