Analysis
-
max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 11:23
Static task
static1
Behavioral task
behavioral1
Sample
8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe
Resource
win10v2004-20240426-en
General
-
Target
8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe
-
Size
4.1MB
-
MD5
03a30eb13e8490af980a5dbf0021d981
-
SHA1
562105f97ad38e74c214e5a1b1e4067d1f47bacd
-
SHA256
8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc
-
SHA512
ab440c14dbed6f6357a954e18ddba4e3163b44258964796a3407af81cc1f58668ee62578a26a0a471cff2893f36f08c02f3549811f7012ed5ff185d3ab3e5eab
-
SSDEEP
98304:vQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3BM:3K95KswtE0pG4BM
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4088-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/4088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4088-88-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/4088-86-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4088-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-135-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-195-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2096-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1708 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2096 csrss.exe 2452 injector.exe 1384 windefender.exe 4656 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-204.dat upx behavioral2/memory/1384-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1384-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe File created C:\Windows\rss\csrss.exe 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.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 2120 sc.exe -
pid Process 4312 powershell.exe 5100 powershell.exe 1568 powershell.exe 4612 powershell.exe 4284 powershell.exe 2880 powershell.exe 1492 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 1752 schtasks.exe 1356 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,-402 = "Arabic Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.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\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.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,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-222 = "Alaskan 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" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.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,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-81 = "Atlantic 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4284 powershell.exe 4284 powershell.exe 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 2880 powershell.exe 2880 powershell.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 1492 powershell.exe 1492 powershell.exe 4312 powershell.exe 4312 powershell.exe 5100 powershell.exe 5100 powershell.exe 1568 powershell.exe 1568 powershell.exe 4612 powershell.exe 4612 powershell.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2096 csrss.exe 2096 csrss.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2096 csrss.exe 2096 csrss.exe 2452 injector.exe 2452 injector.exe 2096 csrss.exe 2096 csrss.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe 2452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Token: SeImpersonatePrivilege 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 4612 powershell.exe Token: SeSystemEnvironmentPrivilege 2096 csrss.exe Token: SeSecurityPrivilege 2120 sc.exe Token: SeSecurityPrivilege 2120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4284 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 79 PID 4088 wrote to memory of 4284 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 79 PID 4088 wrote to memory of 4284 4088 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 79 PID 3692 wrote to memory of 2880 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 84 PID 3692 wrote to memory of 2880 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 84 PID 3692 wrote to memory of 2880 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 84 PID 3692 wrote to memory of 480 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 86 PID 3692 wrote to memory of 480 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 86 PID 480 wrote to memory of 1708 480 cmd.exe 88 PID 480 wrote to memory of 1708 480 cmd.exe 88 PID 3692 wrote to memory of 1492 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 89 PID 3692 wrote to memory of 1492 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 89 PID 3692 wrote to memory of 1492 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 89 PID 3692 wrote to memory of 4312 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 91 PID 3692 wrote to memory of 4312 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 91 PID 3692 wrote to memory of 4312 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 91 PID 3692 wrote to memory of 2096 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 93 PID 3692 wrote to memory of 2096 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 93 PID 3692 wrote to memory of 2096 3692 8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe 93 PID 2096 wrote to memory of 5100 2096 csrss.exe 94 PID 2096 wrote to memory of 5100 2096 csrss.exe 94 PID 2096 wrote to memory of 5100 2096 csrss.exe 94 PID 2096 wrote to memory of 1568 2096 csrss.exe 100 PID 2096 wrote to memory of 1568 2096 csrss.exe 100 PID 2096 wrote to memory of 1568 2096 csrss.exe 100 PID 2096 wrote to memory of 4612 2096 csrss.exe 102 PID 2096 wrote to memory of 4612 2096 csrss.exe 102 PID 2096 wrote to memory of 4612 2096 csrss.exe 102 PID 2096 wrote to memory of 2452 2096 csrss.exe 104 PID 2096 wrote to memory of 2452 2096 csrss.exe 104 PID 1384 wrote to memory of 1516 1384 windefender.exe 110 PID 1384 wrote to memory of 1516 1384 windefender.exe 110 PID 1384 wrote to memory of 1516 1384 windefender.exe 110 PID 1516 wrote to memory of 2120 1516 cmd.exe 111 PID 1516 wrote to memory of 2120 1516 cmd.exe 111 PID 1516 wrote to memory of 2120 1516 cmd.exe 111 -
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\8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe"C:\Users\Admin\AppData\Local\Temp\8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4284
-
-
C:\Users\Admin\AppData\Local\Temp\8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.exe"C:\Users\Admin\AppData\Local\Temp\8058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc.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:3692 -
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:2880
-
-
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:480 -
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:1708
-
-
-
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:1492
-
-
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:4312
-
-
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:2096 -
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:5100
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1752
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4740
-
-
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:1568
-
-
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:4612
-
-
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:2452
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1356
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1384 -
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:1516 -
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:2120
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4656
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5707353917e9d0de9ed64675b5ce09e
SHA12830d54b62db33ed5b876b37a1d7ee3f09e3cddc
SHA2567f5aa7976f19f3dce13f50ff7eaa94fe8365740a361dacdb95b6838ecf91e3af
SHA512542c341be7152dc82d27690864fd532d7d11907bd02d32431843146c144903d5e38a9ff9c0b0d9079ab572d1c86e5b1ca989eb1f71a4bb41111985bbe190d613
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4f7adcf0f11a60a0a8c0cb8f1e71e89
SHA141776f36177e094843c971adbd521faf5bacbb65
SHA2566fdebf95ee8684e37837e79a0d189725083dc1cc3e79fd8dbc3153028856273b
SHA5124820adad47b8e9610ad4d03d2b0e531483be33a1371ea2629de8159f4e264da49602468c6f3d055d5bdf290e13abc1911b63d4956672ffb88add756784277cca
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58dcf2ccf4aa09e947cc1f23251476200
SHA1fea1604aac7a99965731ed9d2e603cf421e83781
SHA2564762205f81f00662eb30bd89f83933745403d69d8485d6ae2312e502cf0ce85f
SHA51247e690df0f84bd7238de4185d12b9b5d98716a0e56e779879068eab4f1623f7761005435571329d5bd5e347b789ff823f484246e418fc22e7def665238cdbf25
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a0630801fab9704e2b3208dc603c687
SHA174c02c6d713258f3ee9301981196419a4226b8c8
SHA2560b47c6adb162a6bf3b8168a1ba32eb744098ec6e15814058c965d7777b4aa59b
SHA5124c82d303db38d3ea137af26e67f39768db29b2561e164b2537ea6ea00cec2b47f04080768f601971b1bf840ae500a4e05048c316c5cf37697a6f454e1f43c9f9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fdf34a3e30bc0e5820a263c0ed5768d
SHA1a5751d0fa768d236500205c9f37353586fdcc67a
SHA2566b2587224330589c251827c6aa3bb67ae08032c7529982fa44bf7f322993c37b
SHA512bd8757e3fa98f1c4c8394b32ccb5fc195c50fcf24b5cc6823007eb744a15831d4d3045832861a3ffb9138182c50169cd1b592ee27e159c20cf2f4ec223c5e20f
-
Filesize
4.1MB
MD503a30eb13e8490af980a5dbf0021d981
SHA1562105f97ad38e74c214e5a1b1e4067d1f47bacd
SHA2568058f35faa86f1aa80417263e608f137a02a3c7a196462687b9182990b24e9dc
SHA512ab440c14dbed6f6357a954e18ddba4e3163b44258964796a3407af81cc1f58668ee62578a26a0a471cff2893f36f08c02f3549811f7012ed5ff185d3ab3e5eab
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec