Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
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 behavioral1/memory/4436-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/4436-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4436-103-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4436-143-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/1160-168-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4436-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1736-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-266-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1736-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2248 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1736 csrss.exe 1404 injector.exe 840 windefender.exe 636 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002340d-219.dat upx behavioral1/memory/840-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/840-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1256 sc.exe -
pid Process 4232 powershell.exe 3956 powershell.exe 4732 powershell.exe 5076 powershell.exe 4456 powershell.exe 3500 powershell.exe 2324 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 744 schtasks.exe 1492 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,-252 = "Dateline Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.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\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight 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\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4232 powershell.exe 4232 powershell.exe 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 3956 powershell.exe 3956 powershell.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 4732 powershell.exe 4732 powershell.exe 5076 powershell.exe 5076 powershell.exe 4456 powershell.exe 4456 powershell.exe 3500 powershell.exe 3500 powershell.exe 2324 powershell.exe 2324 powershell.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1736 csrss.exe 1736 csrss.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1736 csrss.exe 1736 csrss.exe 1404 injector.exe 1404 injector.exe 1736 csrss.exe 1736 csrss.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe 1404 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Token: SeImpersonatePrivilege 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeSystemEnvironmentPrivilege 1736 csrss.exe Token: SeSecurityPrivilege 1256 sc.exe Token: SeSecurityPrivilege 1256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4436 wrote to memory of 4232 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 84 PID 4436 wrote to memory of 4232 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 84 PID 4436 wrote to memory of 4232 4436 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 84 PID 1160 wrote to memory of 3956 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 1160 wrote to memory of 3956 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 1160 wrote to memory of 3956 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 95 PID 1160 wrote to memory of 2952 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 99 PID 1160 wrote to memory of 2952 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 99 PID 2952 wrote to memory of 2248 2952 cmd.exe 101 PID 2952 wrote to memory of 2248 2952 cmd.exe 101 PID 1160 wrote to memory of 4732 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 102 PID 1160 wrote to memory of 4732 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 102 PID 1160 wrote to memory of 4732 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 102 PID 1160 wrote to memory of 5076 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 105 PID 1160 wrote to memory of 5076 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 105 PID 1160 wrote to memory of 5076 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 105 PID 1160 wrote to memory of 1736 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 107 PID 1160 wrote to memory of 1736 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 107 PID 1160 wrote to memory of 1736 1160 b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547.exe 107 PID 1736 wrote to memory of 4456 1736 csrss.exe 108 PID 1736 wrote to memory of 4456 1736 csrss.exe 108 PID 1736 wrote to memory of 4456 1736 csrss.exe 108 PID 1736 wrote to memory of 3500 1736 csrss.exe 113 PID 1736 wrote to memory of 3500 1736 csrss.exe 113 PID 1736 wrote to memory of 3500 1736 csrss.exe 113 PID 1736 wrote to memory of 2324 1736 csrss.exe 116 PID 1736 wrote to memory of 2324 1736 csrss.exe 116 PID 1736 wrote to memory of 2324 1736 csrss.exe 116 PID 1736 wrote to memory of 1404 1736 csrss.exe 118 PID 1736 wrote to memory of 1404 1736 csrss.exe 118 PID 840 wrote to memory of 4712 840 windefender.exe 125 PID 840 wrote to memory of 4712 840 windefender.exe 125 PID 840 wrote to memory of 4712 840 windefender.exe 125 PID 4712 wrote to memory of 1256 4712 cmd.exe 126 PID 4712 wrote to memory of 1256 4712 cmd.exe 126 PID 4712 wrote to memory of 1256 4712 cmd.exe 126 -
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:4436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4232
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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:1160 -
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:3956
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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:2952 -
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:2248
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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:4732
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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:5076
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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:1736 -
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:4456
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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:744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3204
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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:3500
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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:2324
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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:1404
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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:1492
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:840 -
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:4712 -
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:1256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:636
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5f7c51a1e46da875c2f2bb431844ce8
SHA1119cbda217195aaf55b2e4553ecbfb92a7fb730b
SHA2562ab92c5e3450104d120f00583e52e5bb442368537ee826b1b8833a922a1df689
SHA512a0f57e00a23c6d0831f0a2b512dc44e3ecedb33504f64a801110dfa07125a814667df947d396014a7bd0a3c8944de96cc0591a25b8a81d4a5a533fcba2bd830f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d48e8af37bbf0a0915bb6cb2f552d3a
SHA1b64995b9e0960e318adbf17ef90149d154d45480
SHA256860ed0ad8926bfd79c29514435ffcea1ebd41e23dc8abde9d7fd6d6ac0e09e45
SHA5125bebfc9fc59153f261e591e9c443938e5ec8965ea662f44cc31837becbfadf761ed5e8665f24d14d85c7e21d907f94fb7037a3e0a591d6de0953880ba9b474b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3a00f1d4a0014ac9e742e58f691053d
SHA1d3c8556ddea9c16246b4f4cb72ed929e41dbe963
SHA2561e0fd0a75da9968367d9865f0aff7660d2c0a78c9806e61aa31226831497fa71
SHA512b49a2289b3746508244eb2df7efc7e08f580c1434512cb27a6c7c150e24ef0c4ccb40d152d0350694b691a4890c81ca62a856e0b47c6304637a9fe2ed70892af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5cabf4c1508b1aec56452d1d771be73
SHA1e9e7e0443387f24768fdf928a623257dcf98ae91
SHA2561c3459950c1a01b599d87912692e80d434442a809affc5183c6a3978f0d13cc9
SHA51287c5bc8a16436ee29875bdd60bd763522ae5ffd06e02a5f7f6573f7292fe7713e9b9bfb37fac9a80fb3380d09a5b1f9dfeebcbfbabdb46dbeeff056ff84724b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51eb625a469541f5451d19f70480e2e23
SHA101238943c71ce5073e45c591228b5088e932207d
SHA256582deb11de4ba13770e83545605a1663d91569e1acf9ff4f543d65e66b5adfe9
SHA512c7f7e850d0e6f1602f2e7cb7e905ec19ef596496c95b768e967b91037e4ca66966f6143f555a1df79336019b5ed1cd91755a9c2a67b13a17c4928e0a33be1642
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Filesize
4.1MB
MD523328669d9066aaa26fdb355f01e9e32
SHA1b869da41c6fb86ee70775ea5fe379a51bdf333eb
SHA256b0dbea392d7564d72e796e166eda948fd0cac86dfcdc22869e2f74ed08d5a547
SHA512cec1735c72640e636bdd9bc9b62b5033e21f53b0aea81d1f15f3ba99ea404301c58c69c11c20436f090733263396b438118ea13689758bd2f6ffcdae4f0c80e8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec