Analysis
-
max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:15
Static task
static1
Behavioral task
behavioral1
Sample
3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe
Resource
win10v2004-20240426-en
General
-
Target
3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe
-
Size
4.1MB
-
MD5
ddb0778b4f2761b16b391ef2fb2acfdf
-
SHA1
3dc0e8215f2962d3cd4ab95dc5cd7a8aa773ebc0
-
SHA256
3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966
-
SHA512
1d65b22f61e79037596684deceec318c00b46c6f6bed47ddc9cb9c85625e940ae15b27578753cd618ca21e4dcfcdbf21a6a0643cd2edc9c5b4d0db9a8ccf7eed
-
SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJP:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJP
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2808-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral1/memory/2808-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2808-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2808-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2808-57-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral1/memory/2760-113-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-198-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-209-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3320-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2508 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3320 csrss.exe 3400 injector.exe 4244 windefender.exe 2280 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342b-201.dat upx behavioral1/memory/4244-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4244-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2280-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2280-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2280-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2280-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 6 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 -
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 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe File created C:\Windows\rss\csrss.exe 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.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 1256 sc.exe -
pid Process 380 powershell.exe 4452 powershell.exe 4528 powershell.exe 2428 powershell.exe 3964 powershell.exe 3292 powershell.exe 4284 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 3200 schtasks.exe 3804 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,-1971 = "Belarus Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.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 (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,-1872 = "Russia TZ 7 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,-2491 = "Aus Central W. Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.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\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya 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" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 380 powershell.exe 380 powershell.exe 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 4452 powershell.exe 4452 powershell.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 2428 powershell.exe 2428 powershell.exe 3964 powershell.exe 3964 powershell.exe 3292 powershell.exe 3292 powershell.exe 4284 powershell.exe 4284 powershell.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3320 csrss.exe 3320 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3320 csrss.exe 3320 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3320 csrss.exe 3320 csrss.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe 3400 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Token: SeImpersonatePrivilege 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeSystemEnvironmentPrivilege 3320 csrss.exe Token: SeSecurityPrivilege 1256 sc.exe Token: SeSecurityPrivilege 1256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2808 wrote to memory of 380 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 121 PID 2808 wrote to memory of 380 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 121 PID 2808 wrote to memory of 380 2808 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 121 PID 2760 wrote to memory of 4452 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 93 PID 2760 wrote to memory of 4452 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 93 PID 2760 wrote to memory of 4452 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 93 PID 2760 wrote to memory of 1720 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 98 PID 2760 wrote to memory of 1720 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 98 PID 1720 wrote to memory of 2508 1720 cmd.exe 100 PID 1720 wrote to memory of 2508 1720 cmd.exe 100 PID 2760 wrote to memory of 4528 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 101 PID 2760 wrote to memory of 4528 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 101 PID 2760 wrote to memory of 4528 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 101 PID 2760 wrote to memory of 2428 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 105 PID 2760 wrote to memory of 2428 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 105 PID 2760 wrote to memory of 2428 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 105 PID 2760 wrote to memory of 3320 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 107 PID 2760 wrote to memory of 3320 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 107 PID 2760 wrote to memory of 3320 2760 3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe 107 PID 3320 wrote to memory of 3964 3320 csrss.exe 108 PID 3320 wrote to memory of 3964 3320 csrss.exe 108 PID 3320 wrote to memory of 3964 3320 csrss.exe 108 PID 3320 wrote to memory of 3292 3320 csrss.exe 114 PID 3320 wrote to memory of 3292 3320 csrss.exe 114 PID 3320 wrote to memory of 3292 3320 csrss.exe 114 PID 3320 wrote to memory of 4284 3320 csrss.exe 116 PID 3320 wrote to memory of 4284 3320 csrss.exe 116 PID 3320 wrote to memory of 4284 3320 csrss.exe 116 PID 3320 wrote to memory of 3400 3320 csrss.exe 118 PID 3320 wrote to memory of 3400 3320 csrss.exe 118 PID 4244 wrote to memory of 1928 4244 windefender.exe 124 PID 4244 wrote to memory of 1928 4244 windefender.exe 124 PID 4244 wrote to memory of 1928 4244 windefender.exe 124 PID 1928 wrote to memory of 1256 1928 cmd.exe 125 PID 1928 wrote to memory of 1256 1928 cmd.exe 125 PID 1928 wrote to memory of 1256 1928 cmd.exe 125 -
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\3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe"C:\Users\Admin\AppData\Local\Temp\3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
-
-
C:\Users\Admin\AppData\Local\Temp\3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.exe"C:\Users\Admin\AppData\Local\Temp\3a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966.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:2760 -
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:4452
-
-
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:1720 -
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:2508
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:4528
-
-
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:2428
-
-
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:3320 -
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:3964
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3200
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2116
-
-
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:3292
-
-
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:4284
-
-
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:3400
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3804 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:380
-
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4244 -
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:1928 -
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:1256
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2280
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da91942b6551985e8ecd6992b230c1bc
SHA127fa5a3259fcc929ff0447d8e7e13ca9fb244149
SHA25665cbed6613fb29ab4de62c98816610033889521b59858713e4760bc31ad02234
SHA5127e63eac21c52cdbd29dff156b5850703c61e3d932be45318e6ed2d9faf87f11ba09fc4cee3fad0744b780164390cd9c72eef87ca6d0007cb38449ed36ec679e5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569cc7bd5ad9b9bd2bbb9bb2351d35d69
SHA1ae390b151bd3c553016d8cde590e4c1319e96a34
SHA256bdd470b1eef0542999a85098f63f322bca1146b70914744731bfff05a8660961
SHA5128019e114436199d40d58e5ecc23ecbae56a18ed562280f519ce02fcd9d11f15fb3a73b59c134a342e484e6d9f887e7c5eb544ad31a7fc1daea7247d878e1fa01
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2c5d114d04454bd7c81217f9f73b740
SHA1e4841409ef99536ec812ac38b58343f479800a37
SHA2565a3fc6cf09d5467f4efad4b8d67836aa6ff77542d27909b48866ec86e3e34b49
SHA512b3c6fb7a7c111925871173d8aa1b41a02ba70ca886a143a4aeb80f914a1e60e7dfb5c5e3c865f1552acf810f1d80394ec3dec1c28a59a18ebd1730e6b1fb2193
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ec9576580163cd94a335a0cddaa6958
SHA16b2842aa34b6cc0cbcc2bfe5c0d21dd0a0b2d241
SHA2567ab0044e6c0c6690d46d1d35b73c5efd832810797a9a59871b93f94988594b6c
SHA51278eefb04d9cecfba6b635950ac4dedc436b6c28f17dd2be8551157d2f588f7dc1cf1588bc5bd1de1489815b0fc7cabb6a0eb9e347b7846306c09df10a22d3b90
-
Filesize
4.1MB
MD5ddb0778b4f2761b16b391ef2fb2acfdf
SHA13dc0e8215f2962d3cd4ab95dc5cd7a8aa773ebc0
SHA2563a3c3c401472f53b4b0846739d3016d83599c4dd3eb8541446418fa723d78966
SHA5121d65b22f61e79037596684deceec318c00b46c6f6bed47ddc9cb9c85625e940ae15b27578753cd618ca21e4dcfcdbf21a6a0643cd2edc9c5b4d0db9a8ccf7eed
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec