Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
24/04/2024, 15:29
Static task
static1
Behavioral task
behavioral1
Sample
25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe
Resource
win10v2004-20240412-en
General
-
Target
25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe
-
Size
4.1MB
-
MD5
087659c4a8c681cd17fc11fcbac963e7
-
SHA1
bba551bfd38929b7b03a6eff67381ea95b05da56
-
SHA256
25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2
-
SHA512
fa11a3f952ec53b3f55d743480bf80f0d9c4aa0529e67427d80ff3218a505a55727ba01031314fa1446bf8d1cd40c10d3e2212b54e791a2b7ea63a1053cfb471
-
SSDEEP
98304:b9WmwW6FveY75UnUAoojDc0M6OZ1deiQjLSx7bj:BJwW0vb75UnUAx3YJ1rQix/
Malware Config
Signatures
-
Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1172-2-0x0000000006770000-0x000000000705B000-memory.dmp family_glupteba behavioral2/memory/1172-49-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/1172-52-0x0000000006770000-0x000000000705B000-memory.dmp family_glupteba behavioral2/memory/3936-144-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-242-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-251-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-253-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-255-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-257-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-259-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-261-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-263-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-265-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-267-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-269-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-271-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/276-273-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2852 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 276 csrss.exe 1356 injector.exe 2272 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-245.dat upx behavioral2/memory/2272-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe File created C:\Windows\rss\csrss.exe 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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 1732 sc.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 2940 schtasks.exe 1164 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\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight 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" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2412 = "Marquesas Standard Time" 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4856 powershell.exe 4856 powershell.exe 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3148 powershell.exe 3148 powershell.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 2636 powershell.exe 2636 powershell.exe 3696 powershell.exe 3696 powershell.exe 1628 powershell.exe 1628 powershell.exe 2028 powershell.exe 2028 powershell.exe 3596 powershell.exe 3596 powershell.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 276 csrss.exe 276 csrss.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 276 csrss.exe 276 csrss.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 276 csrss.exe 276 csrss.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Token: SeImpersonatePrivilege 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeSystemEnvironmentPrivilege 276 csrss.exe Token: SeSecurityPrivilege 1732 sc.exe Token: SeSecurityPrivilege 1732 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1172 wrote to memory of 4856 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 81 PID 1172 wrote to memory of 4856 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 81 PID 1172 wrote to memory of 4856 1172 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 81 PID 3936 wrote to memory of 3148 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 87 PID 3936 wrote to memory of 3148 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 87 PID 3936 wrote to memory of 3148 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 87 PID 3936 wrote to memory of 8 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 89 PID 3936 wrote to memory of 8 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 89 PID 8 wrote to memory of 2852 8 cmd.exe 91 PID 8 wrote to memory of 2852 8 cmd.exe 91 PID 3936 wrote to memory of 2636 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 92 PID 3936 wrote to memory of 2636 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 92 PID 3936 wrote to memory of 2636 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 92 PID 3936 wrote to memory of 3696 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 94 PID 3936 wrote to memory of 3696 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 94 PID 3936 wrote to memory of 3696 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 94 PID 3936 wrote to memory of 276 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 96 PID 3936 wrote to memory of 276 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 96 PID 3936 wrote to memory of 276 3936 25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe 96 PID 276 wrote to memory of 1628 276 csrss.exe 97 PID 276 wrote to memory of 1628 276 csrss.exe 97 PID 276 wrote to memory of 1628 276 csrss.exe 97 PID 276 wrote to memory of 2028 276 csrss.exe 103 PID 276 wrote to memory of 2028 276 csrss.exe 103 PID 276 wrote to memory of 2028 276 csrss.exe 103 PID 276 wrote to memory of 3596 276 csrss.exe 105 PID 276 wrote to memory of 3596 276 csrss.exe 105 PID 276 wrote to memory of 3596 276 csrss.exe 105 PID 276 wrote to memory of 1356 276 csrss.exe 107 PID 276 wrote to memory of 1356 276 csrss.exe 107 PID 2272 wrote to memory of 4880 2272 windefender.exe 113 PID 2272 wrote to memory of 4880 2272 windefender.exe 113 PID 2272 wrote to memory of 4880 2272 windefender.exe 113 PID 4880 wrote to memory of 1732 4880 cmd.exe 114 PID 4880 wrote to memory of 1732 4880 cmd.exe 114 PID 4880 wrote to memory of 1732 4880 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe"C:\Users\Admin\AppData\Local\Temp\25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
-
-
C:\Users\Admin\AppData\Local\Temp\25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.exe"C:\Users\Admin\AppData\Local\Temp\25ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2.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:3936 -
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:3148
-
-
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:8 -
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:2852
-
-
-
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:2636
-
-
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:3696
-
-
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:276 -
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:1628
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2940
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:948
-
-
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:2028
-
-
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:3596
-
-
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:1356
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1164
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2272 -
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:4880 -
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:1732
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6d26688800e5b64a29c72532e198f9c
SHA1b7d4a8ba62f6301bf02a3f8517c39d0088fdc855
SHA2563b682869b7f2ec85694d093d42f0f4989582b651c8124facf3765210db8991d9
SHA512574ac1f12b0176a84ef29cab9e6e96f1f781c7e16a3733f0dac17c63c2741ab959691994df08eca7848d56968f7abdcae8958a957572f3337865ac02d257abd9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e20df430e49f465764badc089dddaa01
SHA131e1c4522914c47b1539918be7366645c6e8df70
SHA256427a807ee5fabad2ba94dea77b7462f34562fcabb17c3a3abc1597d1686517f4
SHA51287ed28b6048bfde9511912ba4115622ce96d93ef1799d3cdebf9455e15600a7fa209753d9ee0b7c4976b882c7e587df6bdbe9918235591ff1d17a2cf74ba6f12
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503e0079a9c0b6612bed3cc39e4755991
SHA1473e34522e90535fdfe51e6ababa3952ff6e05e9
SHA256b625b18816b1a414beedd33d91d3de39e7ab0a83e4cda3e16f8ff1e615dcbe06
SHA512b803d47529b1bab359fbeb3563f49f6b5430562316bf37e7b0cef561ea3f0c818eb0e512e4dfc7ff795f55f0c19625eb703ca1687585961560924bba8db84719
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594cc43a5f17024f88ea8843fabf44045
SHA17abc7a5309bc3584a2fb08e192370d9a47b44d53
SHA2569ea89da470bd62035df2f958a5cd4fffb663367edf45c13e5669a83a89d7e202
SHA512236b5ef4ae733a784af14519f6443b907e151286c290061f05bb75229b63dc6687c1568b5fe46e8edf8d90bea93552c9f7ac0cf096d59ffb8f734342c1965034
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bee3cefb7ac1d48548fc1edc005f3dbe
SHA16aa10ca3c1f89ba35296fe59a8a419bf54b2031d
SHA2567d23e2b1d37de5bc25d0aeabc3b7901c2c90fce4de8d9e286efe48fe94c2aa9a
SHA5128eb833c571e21629ea17c8ea6b4356174bb7e9662781dcd74e469655f4df0babb52bb4433124af511a8a27ff4c59b8219e008315877473c0d8c41f3b0452167e
-
Filesize
4.1MB
MD5087659c4a8c681cd17fc11fcbac963e7
SHA1bba551bfd38929b7b03a6eff67381ea95b05da56
SHA25625ec11763bf3bd4a9fbee829a5b5d961a5c317c073e783137a4aad3506705be2
SHA512fa11a3f952ec53b3f55d743480bf80f0d9c4aa0529e67427d80ff3218a505a55727ba01031314fa1446bf8d1cd40c10d3e2212b54e791a2b7ea63a1053cfb471
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec