Analysis
-
max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23/04/2024, 23:30
Static task
static1
Behavioral task
behavioral1
Sample
b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe
Resource
win10v2004-20240412-en
General
-
Target
b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe
-
Size
4.2MB
-
MD5
3ee53b780db8dad93a60422a509a2aa9
-
SHA1
b541dca1b996d34eb8d9ab2c63dbc4f41b726df0
-
SHA256
b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a
-
SHA512
7459ffc01a7d7e22e4e22f6d58325bf40131a5e5581f501b3a541d64c3a1293ccc48d23df083f380d5af09fcd93739dc1afa9ad2f4d6ce1c4f229e916b0d4cd6
-
SSDEEP
98304:5qdGPkkbrXdSMuO9HY5zkH9t6u095DfLzJg8Yl1VLog:tbrX/ubObB/
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2200-2-0x0000000006680000-0x0000000006F6B000-memory.dmp family_glupteba behavioral1/memory/1188-56-0x00000000064F0000-0x0000000006DDB000-memory.dmp family_glupteba behavioral1/memory/2200-54-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/2200-57-0x0000000006680000-0x0000000006F6B000-memory.dmp family_glupteba behavioral1/memory/1188-155-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-252-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-253-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-254-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-263-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-265-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-267-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-269-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-271-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-273-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-275-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-277-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-279-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba behavioral1/memory/3740-281-0x0000000000400000-0x0000000004427000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4068 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3740 csrss.exe 4772 injector.exe 1516 windefender.exe 4768 windefender.exe -
resource yara_rule behavioral1/files/0x000f000000023391-257.dat upx behavioral1/memory/1516-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4768-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4768-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4768-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 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 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe File created C:\Windows\rss\csrss.exe b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.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 4960 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3396 2200 WerFault.exe 84 1760 1188 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3364 schtasks.exe 3528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-2391 = "Aleutian Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.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\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB 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" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3192 powershell.exe 3192 powershell.exe 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 2988 powershell.exe 2988 powershell.exe 2988 powershell.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 3316 powershell.exe 3316 powershell.exe 3316 powershell.exe 1588 powershell.exe 1588 powershell.exe 1588 powershell.exe 1696 powershell.exe 1696 powershell.exe 1696 powershell.exe 4336 powershell.exe 4336 powershell.exe 4336 powershell.exe 5080 powershell.exe 5080 powershell.exe 5080 powershell.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 3740 csrss.exe 3740 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 3740 csrss.exe 3740 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3192 powershell.exe Token: SeDebugPrivilege 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Token: SeImpersonatePrivilege 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeSystemEnvironmentPrivilege 3740 csrss.exe Token: SeSecurityPrivilege 4960 sc.exe Token: SeSecurityPrivilege 4960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2200 wrote to memory of 3192 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 89 PID 2200 wrote to memory of 3192 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 89 PID 2200 wrote to memory of 3192 2200 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 89 PID 1188 wrote to memory of 2988 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 101 PID 1188 wrote to memory of 2988 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 101 PID 1188 wrote to memory of 2988 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 101 PID 1188 wrote to memory of 2528 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 103 PID 1188 wrote to memory of 2528 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 103 PID 2528 wrote to memory of 4068 2528 cmd.exe 105 PID 2528 wrote to memory of 4068 2528 cmd.exe 105 PID 1188 wrote to memory of 3316 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 106 PID 1188 wrote to memory of 3316 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 106 PID 1188 wrote to memory of 3316 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 106 PID 1188 wrote to memory of 1588 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 109 PID 1188 wrote to memory of 1588 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 109 PID 1188 wrote to memory of 1588 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 109 PID 1188 wrote to memory of 3740 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 111 PID 1188 wrote to memory of 3740 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 111 PID 1188 wrote to memory of 3740 1188 b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe 111 PID 3740 wrote to memory of 1696 3740 csrss.exe 114 PID 3740 wrote to memory of 1696 3740 csrss.exe 114 PID 3740 wrote to memory of 1696 3740 csrss.exe 114 PID 3740 wrote to memory of 4336 3740 csrss.exe 121 PID 3740 wrote to memory of 4336 3740 csrss.exe 121 PID 3740 wrote to memory of 4336 3740 csrss.exe 121 PID 3740 wrote to memory of 5080 3740 csrss.exe 123 PID 3740 wrote to memory of 5080 3740 csrss.exe 123 PID 3740 wrote to memory of 5080 3740 csrss.exe 123 PID 3740 wrote to memory of 4772 3740 csrss.exe 125 PID 3740 wrote to memory of 4772 3740 csrss.exe 125 PID 1516 wrote to memory of 3316 1516 windefender.exe 133 PID 1516 wrote to memory of 3316 1516 windefender.exe 133 PID 1516 wrote to memory of 3316 1516 windefender.exe 133 PID 3316 wrote to memory of 4960 3316 cmd.exe 134 PID 3316 wrote to memory of 4960 3316 cmd.exe 134 PID 3316 wrote to memory of 4960 3316 cmd.exe 134 -
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\b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe"C:\Users\Admin\AppData\Local\Temp\b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3192
-
-
C:\Users\Admin\AppData\Local\Temp\b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.exe"C:\Users\Admin\AppData\Local\Temp\b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a.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:1188 -
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:2988
-
-
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:2528 -
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:4068
-
-
-
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:3316
-
-
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:1588
-
-
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:3740 -
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:1696
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3364
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1924
-
-
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:4336
-
-
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:5080
-
-
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:4772
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3528
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1516 -
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:3316 -
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:4960
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 8923⤵
- Program crash
PID:1760
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 9562⤵
- Program crash
PID:3396
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2200 -ip 22001⤵PID:2480
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1188 -ip 11881⤵PID:2504
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4768
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d12b78b31cceae767b3287380e54d06
SHA1d4cc2ae5ea5560dd88667107881f7d92f8fb737d
SHA256b15a41cc3460ea33c63ca06b8e427aaaaccbc9db962c0fffe8f75bc90bcc0461
SHA5124e8ee54bc0fc9f5c8d605be154993d48b013857fb331e013ec85ff80f3a242b9458af3411cf8316ca2194b91ea01fd16328d024e3f53705c0883e90fa07296d1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57837b6f9e081df8783fe534d529fd234
SHA193d2fd7d677c7de940cbd6606e68588fac6789e1
SHA256f8f776ecf314ed5b040fe3d6d42d6d8c0b120a3ab9b2b58a742f3424feae9d9e
SHA512da44f98d781c812fb532e26cf6cfa37810f425248911dad78320f953e3fe3bf80cd13462256ec7db61f40b1b4e4f8da46177985aeebb765fb21c1834b268e46b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56684e8dcdf4b90603e9dc7dde0fb1ab1
SHA17f79ef538e493154b6a583b38d95fe8b0630c40f
SHA2560055c139bd27144b9d5f88b715f8176bb605cd057fdad1a8bed8fc079d15a176
SHA5127e45edaaf2515a47423cfa190fa201dc1742d5081813626baa15e39f0368a8154c10d52202096630bed3b25689e974cb7171d6871104f0467f218d0b83213ed4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a410ea146c3433e3bae7a8794dedc616
SHA1369feb658780886bc5228ccda9463afc869b9fe8
SHA2565c74c871045d0fede4f4f609a983bcb91bab94ec3ad85c294b840cdd61d61789
SHA51259f164ac7e2b47215c974e23027e77979f5365c8a77ad3ff9538b806e9f5c6e73251f3441843c24cc844970d986f9567222766225239d584968757237ab47659
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8073e3baed0229225c0589449e93ee6
SHA123969e848a040cb1d66aa6e85a9b47e98e355344
SHA25684313335835b9000543b638ecd402d20ddf053e4bbd3afa55be2581b6ea25bed
SHA512c921ee1d42da0865b33f7d1aa95b8bf78df939361dff4ec4c8402d817afee40397a6157e71b20afcfb74be8d748bbdb113cc8003b03bf61b67e02dde1d465559
-
Filesize
4.2MB
MD53ee53b780db8dad93a60422a509a2aa9
SHA1b541dca1b996d34eb8d9ab2c63dbc4f41b726df0
SHA256b435024076fe67a01d79195fc3b17c44f9a4b2fe5d38739e3ff833f9ae24d26a
SHA5127459ffc01a7d7e22e4e22f6d58325bf40131a5e5581f501b3a541d64c3a1293ccc48d23df083f380d5af09fcd93739dc1afa9ad2f4d6ce1c4f229e916b0d4cd6
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec