Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe
Resource
win10v2004-20240426-en
General
-
Target
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe
-
Size
4.1MB
-
MD5
95216cfed85f63ae54764285270a9b2e
-
SHA1
f11923834ef0e2d26777bc42517f978763da5249
-
SHA256
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99
-
SHA512
89f0c4d2e66eabc445ba7d1dd096bbea86396522f9dbb920bf77aafa0b56d0ad73316d42e29a2e655b3fadfff3f90a9b659c405a6a51ef0e144711e628827362
-
SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLS:jIU7SlV8K2X2AhEHFgekcN
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3472-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/3472-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3472-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3472-53-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/3472-62-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3472-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/868-78-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/868-128-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-150-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-204-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-224-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-244-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3908-248-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3908 csrss.exe 1728 injector.exe 3772 windefender.exe 4964 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-208.dat upx behavioral2/memory/3772-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4964-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3772-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4964-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4964-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4964-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe File created C:\Windows\rss\csrss.exe 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1248 sc.exe -
pid Process 2672 powershell.exe 5112 powershell.exe 2400 powershell.exe 2040 powershell.exe 2236 powershell.exe 1408 powershell.exe 1724 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3096 schtasks.exe 4272 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,-932 = "Coordinated Universal Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2672 powershell.exe 2672 powershell.exe 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 5112 powershell.exe 5112 powershell.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2400 powershell.exe 2400 powershell.exe 2040 powershell.exe 2040 powershell.exe 2236 powershell.exe 2236 powershell.exe 1408 powershell.exe 1408 powershell.exe 1724 powershell.exe 1724 powershell.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 3908 csrss.exe 3908 csrss.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 3908 csrss.exe 3908 csrss.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 3908 csrss.exe 3908 csrss.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Token: SeImpersonatePrivilege 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe Token: SeSystemEnvironmentPrivilege 3908 csrss.exe Token: SeSecurityPrivilege 1248 sc.exe Token: SeSecurityPrivilege 1248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3472 wrote to memory of 2672 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 82 PID 3472 wrote to memory of 2672 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 82 PID 3472 wrote to memory of 2672 3472 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 82 PID 868 wrote to memory of 5112 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 87 PID 868 wrote to memory of 5112 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 87 PID 868 wrote to memory of 5112 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 87 PID 868 wrote to memory of 4952 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 89 PID 868 wrote to memory of 4952 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 89 PID 4952 wrote to memory of 1984 4952 cmd.exe 91 PID 4952 wrote to memory of 1984 4952 cmd.exe 91 PID 868 wrote to memory of 2400 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 92 PID 868 wrote to memory of 2400 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 92 PID 868 wrote to memory of 2400 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 92 PID 868 wrote to memory of 2040 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 94 PID 868 wrote to memory of 2040 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 94 PID 868 wrote to memory of 2040 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 94 PID 868 wrote to memory of 3908 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 96 PID 868 wrote to memory of 3908 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 96 PID 868 wrote to memory of 3908 868 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 96 PID 3908 wrote to memory of 2236 3908 csrss.exe 97 PID 3908 wrote to memory of 2236 3908 csrss.exe 97 PID 3908 wrote to memory of 2236 3908 csrss.exe 97 PID 3908 wrote to memory of 1408 3908 csrss.exe 102 PID 3908 wrote to memory of 1408 3908 csrss.exe 102 PID 3908 wrote to memory of 1408 3908 csrss.exe 102 PID 3908 wrote to memory of 1724 3908 csrss.exe 105 PID 3908 wrote to memory of 1724 3908 csrss.exe 105 PID 3908 wrote to memory of 1724 3908 csrss.exe 105 PID 3908 wrote to memory of 1728 3908 csrss.exe 107 PID 3908 wrote to memory of 1728 3908 csrss.exe 107 PID 3772 wrote to memory of 2448 3772 windefender.exe 113 PID 3772 wrote to memory of 2448 3772 windefender.exe 113 PID 3772 wrote to memory of 2448 3772 windefender.exe 113 PID 2448 wrote to memory of 1248 2448 cmd.exe 114 PID 2448 wrote to memory of 1248 2448 cmd.exe 114 PID 2448 wrote to memory of 1248 2448 cmd.exe 114 -
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\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672
-
-
C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.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:868 -
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:5112
-
-
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:4952 -
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:1984
-
-
-
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:2400
-
-
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:2040
-
-
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:3908 -
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:2236
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3096
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2856
-
-
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:1408
-
-
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:1724
-
-
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:1728
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4272
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3772 -
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:2448 -
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:1248
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4964
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c293d82ed6f142b83c425551e14d370d
SHA1826ab5aac22ceaa81f184c4219a40e225b266a95
SHA256cbd93246951d0abbeece0f44e9056a2529d2799c24c930ec4918fb52a7bb18b7
SHA512d3124a6f705db429f9b42df88e7d79c963a0949481d4d84b775123757ca943be01f13f620df9e27bd434635a467d36ef5bad47a3b9122cc48a483b896524bdcd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb8f335d7dc46ddc87e65140e9806d32
SHA1990b031620aec7672697810a5d870e02fb9d77db
SHA256d46a7b6c2f8da0d14c9e1ce89b04d8c330e1630b4b3f4b28a0214bb9bfdde5cf
SHA5122b5a78fa7d08cfa646b5cf48e5d2fe4193ba08c9c2deb402119760e7fbcb4deea8272dafaf2d9a593ca90e6799d6c67ec9e955e0da5359caf3c51c35d0712b0d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e7985411fd57d9271ab5c3c22a0c344
SHA187596705f4fc1d525d554084f3119c837519652f
SHA256c9a75f578b91d01bf9b64f8cc6a02cc9c1124b958d6702580b7af56edc8646ef
SHA5128d109669cb0c8a77e1c6fc35d38b56cc5fc22eff9d11708518d860b3b99067c297f067a5c6ab770c2801d9c24b820e886469059510332d044535319c2117debd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531e0b178f57860243458e566d4d913b0
SHA193dce46846a86919d2fb3388ba1e163c89aa58bf
SHA256cc35f7048edb41482f558242768af627d5ac5b5203cfe0c6c685e1e4d97724d2
SHA5120ca206c4300fc1680a9f153385709241ccf700216edf5169f60327d60807ae294287849d7b7a7056733b280f81f181d4fc548edf555e0f54af22524ac0c2abe6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e719b10e7d5298cb7bbedc4bf0c1b52
SHA1ead74248a896f64cb205df1d7efcf00c35102753
SHA256ab0392dd1cfb7af8d8938de611ffcfb2b95fe53c76a227c68b6e5e6a53824dd4
SHA512dd2200b4acdc79deddb9e4828d2d9612594e26fbeab9d2696dbc5c4f2c4e7e2c07331ba2978638344f517a5f8b01dfac66cf9ac9d0aad88d042a132b07835877
-
Filesize
4.1MB
MD595216cfed85f63ae54764285270a9b2e
SHA1f11923834ef0e2d26777bc42517f978763da5249
SHA2565f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99
SHA51289f0c4d2e66eabc445ba7d1dd096bbea86396522f9dbb920bf77aafa0b56d0ad73316d42e29a2e655b3fadfff3f90a9b659c405a6a51ef0e144711e628827362
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec