Analysis
-
max time kernel
149s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe
Resource
win10v2004-20240426-en
General
-
Target
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe
-
Size
4.1MB
-
MD5
406858dc0f392b187c95fb7ee8272b61
-
SHA1
ecef9f48818e324279a4da9aa8a5b83d67db952c
-
SHA256
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d
-
SHA512
408a526e00d8e94c4bfff4a38d18cc91bb1a2ef5075a2fc9d7258ff4954eb09766ea63bc560ba15cf704ef329400ad1116e538b5edc7cdcbc111bcbcb9ed3881
-
SSDEEP
98304:/hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv5:Jz9CiccJ0CpfGcGG1DfLn
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/984-2-0x0000000004EA0000-0x000000000578B000-memory.dmp family_glupteba behavioral2/memory/984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/984-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/984-63-0x0000000004EA0000-0x000000000578B000-memory.dmp family_glupteba behavioral2/memory/984-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2004-121-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2004-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-204-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2688-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2688 csrss.exe 4288 injector.exe 3724 windefender.exe 4232 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e9-207.dat upx behavioral2/memory/3724-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4232-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3724-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4232-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4232-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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\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 File created 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 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe File created C:\Windows\rss\csrss.exe bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.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 5032 sc.exe -
pid Process 2716 powershell.exe 412 powershell.exe 2020 powershell.exe 3156 powershell.exe 1428 powershell.exe 820 powershell.exe 3204 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 1356 schtasks.exe 1444 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,-2872 = "Magallanes Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight 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" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight 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\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.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,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk 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\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1428 powershell.exe 1428 powershell.exe 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 820 powershell.exe 820 powershell.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 3204 powershell.exe 3204 powershell.exe 2716 powershell.exe 2716 powershell.exe 412 powershell.exe 412 powershell.exe 2020 powershell.exe 2020 powershell.exe 3156 powershell.exe 3156 powershell.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2688 csrss.exe 2688 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2688 csrss.exe 2688 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2688 csrss.exe 2688 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Token: SeImpersonatePrivilege 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Token: SeDebugPrivilege 820 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeSystemEnvironmentPrivilege 2688 csrss.exe Token: SeSecurityPrivilege 5032 sc.exe Token: SeSecurityPrivilege 5032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 984 wrote to memory of 1428 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 82 PID 984 wrote to memory of 1428 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 82 PID 984 wrote to memory of 1428 984 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 82 PID 2004 wrote to memory of 820 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 87 PID 2004 wrote to memory of 820 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 87 PID 2004 wrote to memory of 820 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 87 PID 2004 wrote to memory of 3596 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 89 PID 2004 wrote to memory of 3596 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 89 PID 3596 wrote to memory of 964 3596 cmd.exe 91 PID 3596 wrote to memory of 964 3596 cmd.exe 91 PID 2004 wrote to memory of 3204 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 2004 wrote to memory of 3204 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 2004 wrote to memory of 3204 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 2004 wrote to memory of 2716 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 94 PID 2004 wrote to memory of 2716 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 94 PID 2004 wrote to memory of 2716 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 94 PID 2004 wrote to memory of 2688 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 96 PID 2004 wrote to memory of 2688 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 96 PID 2004 wrote to memory of 2688 2004 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 96 PID 2688 wrote to memory of 412 2688 csrss.exe 97 PID 2688 wrote to memory of 412 2688 csrss.exe 97 PID 2688 wrote to memory of 412 2688 csrss.exe 97 PID 2688 wrote to memory of 2020 2688 csrss.exe 103 PID 2688 wrote to memory of 2020 2688 csrss.exe 103 PID 2688 wrote to memory of 2020 2688 csrss.exe 103 PID 2688 wrote to memory of 3156 2688 csrss.exe 105 PID 2688 wrote to memory of 3156 2688 csrss.exe 105 PID 2688 wrote to memory of 3156 2688 csrss.exe 105 PID 2688 wrote to memory of 4288 2688 csrss.exe 107 PID 2688 wrote to memory of 4288 2688 csrss.exe 107 PID 3724 wrote to memory of 2460 3724 windefender.exe 113 PID 3724 wrote to memory of 2460 3724 windefender.exe 113 PID 3724 wrote to memory of 2460 3724 windefender.exe 113 PID 2460 wrote to memory of 5032 2460 cmd.exe 114 PID 2460 wrote to memory of 5032 2460 cmd.exe 114 PID 2460 wrote to memory of 5032 2460 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\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428
-
-
C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.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:2004 -
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:820
-
-
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:3596 -
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:964
-
-
-
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:3204
-
-
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:2716
-
-
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:2688 -
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:412
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1444
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4720
-
-
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:2020
-
-
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:3156
-
-
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:4288
-
-
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:3724 -
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:2460 -
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:5032
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4232
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
MD5d5c4463d77156933a3484b2ef15dd3ca
SHA1287dcda2c1122e68a5199917c78f94b6d7cddcd7
SHA25687c5371d355b60e84f42c7c05cc4e041f602f2aec8b0c75195677a9f39ec9501
SHA512a592ec196cb88d64e94f7c424f7d01ba56828d554935b683308662bb5ad2c4c15fbcceca90d581514e8907bc2f65968943ddbe47232ade2f050e04b9b6a5f95d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5551eee715e3d574719777318a8c5cd53
SHA108627197b7d1bb3e060efa19418691cfd5d99d26
SHA256f6b96daed2292d066fa76ba25170753948500f1cc49bb40316432bdb11c3bedf
SHA512d7b459382bb7feaff3aaefd4fbba6a5c4f16ec9fbd0891428ba0f06e84b85f8f9b5d163972930d91c5898a1c94511874f4e256c782526a185df92c7bfe9727e3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b27a5fbd7e564f1c99838d908538ea86
SHA1e4f1f5353450842967e65d015c81a8f2693e7075
SHA256b5f6cf3b920c26a65482b782ffb8332282ddf651585f729492e6abdddc36fc42
SHA5121910be9cce2d331ae7f01e65f4f149852e11e60a1538c82454c9ce42cee88dcae1bf88e2165e72c91b636fd43515aeefc82c21b8169e16ab68b7158470d26188
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52fd0f1fece4b1457da80ff6e402152fa
SHA13d221a7044a57ecd5f4f3ed531b140c34b888565
SHA256ff65a2a825ad0d844d6327dee156d1a4d9ae6731d1ae614197701f3da835b342
SHA512e92f60e2b7c009e61aee16e1d9d7a215dd6e1f4e4cf32ea568ce3edcb16acdddc9139a89016d1ed3fc8d9e61cfc00072c59ee37c627b8c0e05326f3b5dd6355e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59331e87796fd13346a8ddf886b60a843
SHA15c68bf2ebf1122ac34eb9964a260bf4e08963294
SHA2568adab7250f090f466f073e88e6a1a489c3f675e62f89b948bb5d61d2f237f755
SHA5125dd06551081e7aa5395e6f7b3547dfa70e2cac9b016f30d7c805a616131ee272f2438f2132f9677b864a3cec4028958d11b7060035478d4f122ac36b143d9eb1
-
Filesize
4.1MB
MD5406858dc0f392b187c95fb7ee8272b61
SHA1ecef9f48818e324279a4da9aa8a5b83d67db952c
SHA256bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d
SHA512408a526e00d8e94c4bfff4a38d18cc91bb1a2ef5075a2fc9d7258ff4954eb09766ea63bc560ba15cf704ef329400ad1116e538b5edc7cdcbc111bcbcb9ed3881
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec