Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2024, 04:50
Static task
static1
Behavioral task
behavioral1
Sample
a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe
Resource
win10v2004-20240508-en
General
-
Target
a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe
-
Size
4.1MB
-
MD5
47c14cda4bf29c9b48cf9d81d124fb16
-
SHA1
9fba1302f9a695b7332d930aba5a2978b0eccace
-
SHA256
a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f
-
SHA512
5a6e0d574eab3de505b8880399fac23fceeb1ec2b282cd4f8a89654621a84559292944cc4ffd5271c94c87b48bca0a7c14af6d5f69fd73779f04404fef559778
-
SSDEEP
98304:mNO3yy04ogde7ep0A2AdPyQGNgd0+V4CCH3iZ/qkVniougG1H:AOA8mA0A2AFyQ3d0+aD4qkVni5H
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4644-2-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/4644-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4644-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4644-58-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/4644-59-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4644-70-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-87-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4864-139-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-163-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-258-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-262-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1716-266-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2644 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1716 csrss.exe 4540 injector.exe 3276 windefender.exe 4796 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023425-226.dat upx behavioral1/memory/3276-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4796-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3276-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4796-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4796-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 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 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3204 sc.exe -
pid Process 644 powershell.exe 3256 powershell.exe 2052 powershell.exe 2064 powershell.exe 4332 powershell.exe 3696 powershell.exe 2880 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 4172 schtasks.exe 920 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,-2432 = "Cuba Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-681 = "E. Australia Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard 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\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 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" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard 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,-2001 = "Cabo Verde Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.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,-2162 = "Altai Standard Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 644 powershell.exe 644 powershell.exe 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 3256 powershell.exe 3256 powershell.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 2052 powershell.exe 2052 powershell.exe 2064 powershell.exe 2064 powershell.exe 4332 powershell.exe 4332 powershell.exe 3696 powershell.exe 3696 powershell.exe 2880 powershell.exe 2880 powershell.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 1716 csrss.exe 1716 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 1716 csrss.exe 1716 csrss.exe 4540 injector.exe 4540 injector.exe 1716 csrss.exe 1716 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Token: SeImpersonatePrivilege 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeSystemEnvironmentPrivilege 1716 csrss.exe Token: SeSecurityPrivilege 3204 sc.exe Token: SeSecurityPrivilege 3204 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4644 wrote to memory of 644 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 93 PID 4644 wrote to memory of 644 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 93 PID 4644 wrote to memory of 644 4644 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 93 PID 4864 wrote to memory of 3256 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 99 PID 4864 wrote to memory of 3256 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 99 PID 4864 wrote to memory of 3256 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 99 PID 4864 wrote to memory of 3868 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 101 PID 4864 wrote to memory of 3868 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 101 PID 3868 wrote to memory of 2644 3868 cmd.exe 103 PID 3868 wrote to memory of 2644 3868 cmd.exe 103 PID 4864 wrote to memory of 2052 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 104 PID 4864 wrote to memory of 2052 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 104 PID 4864 wrote to memory of 2052 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 104 PID 4864 wrote to memory of 2064 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 107 PID 4864 wrote to memory of 2064 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 107 PID 4864 wrote to memory of 2064 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 107 PID 4864 wrote to memory of 1716 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 109 PID 4864 wrote to memory of 1716 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 109 PID 4864 wrote to memory of 1716 4864 a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe 109 PID 1716 wrote to memory of 4332 1716 csrss.exe 112 PID 1716 wrote to memory of 4332 1716 csrss.exe 112 PID 1716 wrote to memory of 4332 1716 csrss.exe 112 PID 1716 wrote to memory of 3696 1716 csrss.exe 117 PID 1716 wrote to memory of 3696 1716 csrss.exe 117 PID 1716 wrote to memory of 3696 1716 csrss.exe 117 PID 1716 wrote to memory of 2880 1716 csrss.exe 120 PID 1716 wrote to memory of 2880 1716 csrss.exe 120 PID 1716 wrote to memory of 2880 1716 csrss.exe 120 PID 1716 wrote to memory of 4540 1716 csrss.exe 122 PID 1716 wrote to memory of 4540 1716 csrss.exe 122 PID 3276 wrote to memory of 5092 3276 windefender.exe 128 PID 3276 wrote to memory of 5092 3276 windefender.exe 128 PID 3276 wrote to memory of 5092 3276 windefender.exe 128 PID 5092 wrote to memory of 3204 5092 cmd.exe 129 PID 5092 wrote to memory of 3204 5092 cmd.exe 129 PID 5092 wrote to memory of 3204 5092 cmd.exe 129 -
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\a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe"C:\Users\Admin\AppData\Local\Temp\a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:644
-
-
C:\Users\Admin\AppData\Local\Temp\a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.exe"C:\Users\Admin\AppData\Local\Temp\a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f.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:4864 -
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:3256
-
-
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:3868 -
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:2644
-
-
-
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:2052
-
-
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:2064
-
-
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:1716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4172
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:656
-
-
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:3696
-
-
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:2880
-
-
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:4540
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:920
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3276 -
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:5092 -
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:3204
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4796
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
MD53b8157f9151e4637f967019c1d835c82
SHA159402d564686bb33b281089596de1155be6be2cf
SHA2569cc80a4814c9c0298f06345f64d917aedf3366b106d1aae608208a309e013eb9
SHA51203ebdbaeb3360b4305619c3e0ecec5a466af7939acc32776ba81fe1f31ca406c1b09ea9637149b703612b7f272f21f820cc63d1a1dac02af3e5ebffef045e0a5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fa8ac168e6fddce3a5cdd1fd13d3fd2
SHA116fff5a9ace1b30d40e10738e0d496a3dd9edf60
SHA256d378235051cbc3bf5bf3917e1b9355c23f557ea3f04440aa30839a620048b990
SHA5126396ae542115c7bace8c37d24265e69fb4c5e7e29df766de3eabfe20ce22166f1165e6f7e52b9e61b0e63b36b69845fe8ef816c8a1b53bf8b3620e25e2ac13db
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fbde815c2ce38255c967b82179bcad3b
SHA1737928b5cdf147c23193bca49cb9aba6548ec98e
SHA25671124d49959759c0636bd77423e144f8d76de9f3eac367cfccddcf9fe338f545
SHA512de35ad95d12fe81ad5dc540bca2d322a415db79b65c036f7a23b94097f11d242484cbc3d577b8b0d6492f1dc215dbc9739f39dd4d5242499de93d87740d292da
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565abaf2955e9ae472ef4a6769ab1f474
SHA1bac4cd46117ac2ad1d3f7460844996659a815878
SHA2566a35dcdc7632a46c1e2d23019e485cfc733ed5aecd775b16bd7483bef7955cec
SHA512e5b1ede5adc7e462953ccefe93577d867bd10d7d3c1acb91457d1a70c5d03730680a958ddf70a82ceed8e52999f2019bc87d24e7bc4072ea890a8b69486db88f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517116b91eedc0465523c0c237dd4e542
SHA19a7ea1c64551bebd216e3d80dece28db0e261ba2
SHA256f69ee0082331bb4e35fca1a8a6a940f7f0b34dc53a6b944e7ba0f1be3db86293
SHA512cbe4db66f7c171f48652b103ca0add7e8dcc0a33d03ea1881d192786eac0ea51ce18332b146722ace983621c75c2469ffa7fe1e56b60fc01b25efa2985a6175a
-
Filesize
4.1MB
MD547c14cda4bf29c9b48cf9d81d124fb16
SHA19fba1302f9a695b7332d930aba5a2978b0eccace
SHA256a63c377defddd42fea052369bd3df66ea460895c27ba044d9f1672a2890b421f
SHA5125a6e0d574eab3de505b8880399fac23fceeb1ec2b282cd4f8a89654621a84559292944cc4ffd5271c94c87b48bca0a7c14af6d5f69fd73779f04404fef559778
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec