Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 21:48
Static task
static1
Behavioral task
behavioral1
Sample
b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe
Resource
win10v2004-20240508-en
General
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Target
b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe
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Size
4.1MB
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MD5
23328669d9066aaa26fdb355f01e9e32
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SHA1
b869da41c6fb86ee70775ea5fe379a51bdf333eb
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SHA256
b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547
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SHA512
cec1735c72640e636bdd9bc9b62b5033e21f53b0aea81d1f15f3ba99ea404301c58c69c11c20436f090733263396b438118ea13689758bd2f6ffcdae4f0c80e8
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SSDEEP
98304:UX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rR:UXPWAwQyCdJYw8KggR
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3952-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/3952-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-135-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/3952-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3952-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4736-194-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-202-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2060-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2060 csrss.exe 1356 injector.exe 4536 windefender.exe 4540 windefender.exe -
resource yara_rule behavioral2/memory/4536-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9d3-205.dat upx behavioral2/memory/4536-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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.
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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 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe File created C:\Windows\rss\csrss.exe b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.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 3532 sc.exe -
pid Process 532 powershell.exe 3344 powershell.exe 2040 powershell.exe 1072 powershell.exe 1456 powershell.exe 2840 powershell.exe 3872 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 2292 schtasks.exe 2288 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,-1501 = "Turkey Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.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\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2040 powershell.exe 2040 powershell.exe 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1072 powershell.exe 1072 powershell.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1456 powershell.exe 1456 powershell.exe 2840 powershell.exe 2840 powershell.exe 3872 powershell.exe 3872 powershell.exe 532 powershell.exe 532 powershell.exe 3344 powershell.exe 3344 powershell.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 2060 csrss.exe 2060 csrss.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 2060 csrss.exe 2060 csrss.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 1356 injector.exe 2060 csrss.exe 2060 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 2040 powershell.exe Token: SeDebugPrivilege 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Token: SeImpersonatePrivilege 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 532 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeSystemEnvironmentPrivilege 2060 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3952 wrote to memory of 2040 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 81 PID 3952 wrote to memory of 2040 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 81 PID 3952 wrote to memory of 2040 3952 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 81 PID 4736 wrote to memory of 1072 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 86 PID 4736 wrote to memory of 1072 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 86 PID 4736 wrote to memory of 1072 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 86 PID 4736 wrote to memory of 1556 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 88 PID 4736 wrote to memory of 1556 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 88 PID 1556 wrote to memory of 3860 1556 cmd.exe 90 PID 1556 wrote to memory of 3860 1556 cmd.exe 90 PID 4736 wrote to memory of 1456 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 91 PID 4736 wrote to memory of 1456 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 91 PID 4736 wrote to memory of 1456 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 91 PID 4736 wrote to memory of 2840 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 93 PID 4736 wrote to memory of 2840 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 93 PID 4736 wrote to memory of 2840 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 93 PID 4736 wrote to memory of 2060 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 4736 wrote to memory of 2060 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 4736 wrote to memory of 2060 4736 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 2060 wrote to memory of 3872 2060 csrss.exe 96 PID 2060 wrote to memory of 3872 2060 csrss.exe 96 PID 2060 wrote to memory of 3872 2060 csrss.exe 96 PID 2060 wrote to memory of 532 2060 csrss.exe 102 PID 2060 wrote to memory of 532 2060 csrss.exe 102 PID 2060 wrote to memory of 532 2060 csrss.exe 102 PID 2060 wrote to memory of 3344 2060 csrss.exe 104 PID 2060 wrote to memory of 3344 2060 csrss.exe 104 PID 2060 wrote to memory of 3344 2060 csrss.exe 104 PID 2060 wrote to memory of 1356 2060 csrss.exe 106 PID 2060 wrote to memory of 1356 2060 csrss.exe 106 PID 4536 wrote to memory of 2476 4536 windefender.exe 112 PID 4536 wrote to memory of 2476 4536 windefender.exe 112 PID 4536 wrote to memory of 2476 4536 windefender.exe 112 PID 2476 wrote to memory of 3532 2476 cmd.exe 113 PID 2476 wrote to memory of 3532 2476 cmd.exe 113 PID 2476 wrote to memory of 3532 2476 cmd.exe 113 -
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
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C:\Users\Admin\AppData\Local\Temp\b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe"C:\Users\Admin\AppData\Local\Temp\b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040
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C:\Users\Admin\AppData\Local\Temp\b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe"C:\Users\Admin\AppData\Local\Temp\b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.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:4736 -
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:1072
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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:1556 -
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:3860
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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:1456
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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:2840
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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:2060 -
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:3872
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2292
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2332
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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:532
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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:3344
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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
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2288
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4536 -
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:2476 -
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:3532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4540
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0d45c53cf06f59520505881bbd7a7a8
SHA12a3a67c4a721dc91be10080e95b597742cc4d9c6
SHA2565ae62cbbbfa2ce17cbe52110ffb4d2f8f11ccd9714c0967eaecabca06bc3b261
SHA5129f033d5819b81d6d84d57a4e0671676f17248ddbf123c7c08766d90988e993e06020ac477430b97752c81b1289e280f803af273958c21e669083a151265ba343
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511a2534a42b9fc1bb49dba2e10097a20
SHA15687421d38d0ec7d207443eb9434d0c8075a0b86
SHA256bca2a8870a17d93fca1091fd00a16c98dcfe49c3acd7e1dcab2d4149571f9e2d
SHA5124d467a37a88aab948fa99618e190d0047d555547590687f5eb2135d65063fa442d6f4146fe27ed71816e260c7ee27b7d749af12c7db842c7063767b4676eb4bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd51729a35c847fe6967c11508d2ec90
SHA17d9b1eab18c1ec4330219beb9517cc94ced3e621
SHA256e5e2237e4685adde186aee436b5d21cd6f049772a80ce62d087d85ab975c3be8
SHA51285b5c57696ae0d8ac0ceec68d523f502aff2b620435444b962846bc1f3789f31d220e76a53469107a6b3013490f1a9c1391d67950318e9027d6c48b2206b7e2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eaff2d37fa2b75d994d1eb7c74710740
SHA13db189a45b91239d0b0aefc44f67a308bbc5b96a
SHA256ef35a8549718c5e142b5a13e5b2d4455e454d27678cc7821f4befeae47e0d7da
SHA5126d339ec7ad5e712069b85c9d3197845b8589d1df985a2e10869c0fe2ed79c04970e0bb90412fbd622fc6d275763b3f6522adebc1de6b3a29e931c488108122d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c602b69bb900bff053e5ca5667704545
SHA12f6c047b4a71a1e7d13d8b30acf5e639f79548e6
SHA2569270d5bdb2bcab54b99155b21213dc2afeb75b666c3417e64e11b5baa072aecd
SHA5124e3c95f684ae4f0052e1948b97ece763349e45a8e9050762dbfd29d3516bbd489597afc15e305d89dca7feba3fb2f704f0f4b5c05bbad39b859603eae8ca9111
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Filesize
4.1MB
MD523328669d9066aaa26fdb355f01e9e32
SHA1b869da41c6fb86ee70775ea5fe379a51bdf333eb
SHA256b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547
SHA512cec1735c72640e636bdd9bc9b62b5033e21f53b0aea81d1f15f3ba99ea404301c58c69c11c20436f090733263396b438118ea13689758bd2f6ffcdae4f0c80e8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec