Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2023 12:53
Static task
static1
General
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Target
16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe
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Size
4.1MB
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MD5
d58c8f7c3cc35c5623e97f4878eea72c
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SHA1
4a9db2cc5acafcb147f987aa2f1f7dfc29de7437
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SHA256
16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03
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SHA512
5173e6db602c9609027a580e7ba8eb88fd7957cd8e5afd87ea864b0f1d7bc1797e2a0a0e100302140cb67756c56b924c8d9c20ccf7212deb72a39ddb87b42935
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SSDEEP
98304:x+exTM3q/V69A2Ino4dg4ToGVCfMlJL1uJi5:tM3/AdwcoN2CJc
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2276-2-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral1/memory/2276-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2276-27-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2276-29-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral1/memory/2276-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1928-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1928-91-0x00000000028B0000-0x0000000002CB2000-memory.dmp family_glupteba behavioral1/memory/1928-95-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1928-96-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1928-151-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1928-157-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-191-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-260-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3612-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4052 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3612 csrss.exe 4972 injector.exe 4256 windefender.exe 2092 windefender.exe 4608 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022dcc-263.dat upx behavioral1/files/0x0007000000022dcc-264.dat upx behavioral1/files/0x0007000000022dcc-266.dat upx behavioral1/memory/4256-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2092-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2092-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000a000000022c9c-281.dat upx behavioral1/files/0x000a000000022c9c-283.dat upx behavioral1/memory/2092-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4608-286-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4608-288-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive Process not Found -
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 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe File created C:\Windows\rss\csrss.exe 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1244 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2112 schtasks.exe 784 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ Process not Found Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.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\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4416 powershell.exe 4416 powershell.exe 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1128 powershell.exe 1128 powershell.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 2244 powershell.exe 2244 powershell.exe 2272 powershell.exe 2272 powershell.exe 1264 powershell.exe 1264 powershell.exe 2932 powershell.exe 2932 powershell.exe 3908 powershell.exe 3908 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3612 csrss.exe 3612 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3612 csrss.exe 3612 csrss.exe 4972 injector.exe 4972 injector.exe 3612 csrss.exe 3612 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Token: SeImpersonatePrivilege 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 2272 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeSystemEnvironmentPrivilege 3612 csrss.exe Token: SeSecurityPrivilege 1244 sc.exe Token: SeSecurityPrivilege 1244 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2276 wrote to memory of 4416 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 91 PID 2276 wrote to memory of 4416 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 91 PID 2276 wrote to memory of 4416 2276 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 91 PID 1928 wrote to memory of 1128 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 99 PID 1928 wrote to memory of 1128 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 99 PID 1928 wrote to memory of 1128 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 99 PID 1928 wrote to memory of 4292 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 100 PID 1928 wrote to memory of 4292 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 100 PID 4292 wrote to memory of 4052 4292 cmd.exe 102 PID 4292 wrote to memory of 4052 4292 cmd.exe 102 PID 1928 wrote to memory of 2244 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 103 PID 1928 wrote to memory of 2244 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 103 PID 1928 wrote to memory of 2244 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 103 PID 1928 wrote to memory of 2272 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 106 PID 1928 wrote to memory of 2272 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 106 PID 1928 wrote to memory of 2272 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 106 PID 1928 wrote to memory of 3612 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 108 PID 1928 wrote to memory of 3612 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 108 PID 1928 wrote to memory of 3612 1928 16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe 108 PID 3612 wrote to memory of 1264 3612 csrss.exe 110 PID 3612 wrote to memory of 1264 3612 csrss.exe 110 PID 3612 wrote to memory of 1264 3612 csrss.exe 110 PID 3612 wrote to memory of 2932 3612 csrss.exe 115 PID 3612 wrote to memory of 2932 3612 csrss.exe 115 PID 3612 wrote to memory of 2932 3612 csrss.exe 115 PID 3612 wrote to memory of 3908 3612 csrss.exe 118 PID 3612 wrote to memory of 3908 3612 csrss.exe 118 PID 3612 wrote to memory of 3908 3612 csrss.exe 118 PID 3612 wrote to memory of 4972 3612 csrss.exe 120 PID 3612 wrote to memory of 4972 3612 csrss.exe 120 PID 4256 wrote to memory of 4944 4256 windefender.exe 130 PID 4256 wrote to memory of 4944 4256 windefender.exe 130 PID 4256 wrote to memory of 4944 4256 windefender.exe 130 PID 4944 wrote to memory of 1244 4944 cmd.exe 131 PID 4944 wrote to memory of 1244 4944 cmd.exe 131 PID 4944 wrote to memory of 1244 4944 cmd.exe 131 PID 3612 wrote to memory of 4608 3612 csrss.exe 136 PID 3612 wrote to memory of 4608 3612 csrss.exe 136 PID 3612 wrote to memory of 4608 3612 csrss.exe 136 -
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\16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe"C:\Users\Admin\AppData\Local\Temp\16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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C:\Users\Admin\AppData\Local\Temp\16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.exe"C:\Users\Admin\AppData\Local\Temp\16a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03.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:1928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128
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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:4292 -
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:4052
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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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:3612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1264
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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:2112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2984
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908
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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:4972
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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:784
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4256 -
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:4944 -
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:1244
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4608 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:556
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1904
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2092
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512706ba78b571b50c7fed94c1034ee9b
SHA113908e2c2898adc8530023d0d60f346fd37d4358
SHA2564763af62e53de7cc97c5ae38174df6340e87ef94fc9e8527ccc6ad8e3f7b29af
SHA5124e4b8e0421003b3619ce29cbc48d361a8aa168f6f2131c34b997d13513790f83315d77ab5161dd90182c0ddc5cd786e390e8bc82bc10f40049b4f26aa491a26a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbe03511f0bc563c2c2b8bb97abf2599
SHA1523c369f0e02288622233919f5d50f6b09fc00bc
SHA256ddc9d89fecf3c0711862e9ed3db6b1af53c8a39a8b17286bd35b835763ac3274
SHA512e96f730b4fcafbef11e24f9897908ad9c9089b268a5247a54b9b5b7881d6bc00eb1e2aa1804fc2903454fc827797ff15cb65919a82d7f8aab42aa53069265434
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554a39d98bd9eceb5efda21a9af132671
SHA10966c9c0ae653cf97683f7ca19077cc4b08a5488
SHA256fadb4b43e28aecc8dae7142233db3ce6c92883a4ca8dbef44f1fc22519f5f093
SHA512b966ce13e342d5f43616a4d489fbc60a6cd531fb56c50c29b39c1a65428f1bd2522be9775bba31506039c29ecdcf6c3c57f899b7bec71ed37dacdbfc9b6c8114
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc4970de10ccda244a6f06692cd27189
SHA17b03cd20e89f0b0144d3e6d9539c954b107caaf5
SHA256ec3d5ae389aaf930a04cf123dc1095c0d15891bae0ebaab8d13e233681ce6931
SHA512ecb26cae3d218388de9ab899ebe78625eafbfcce49911507dbd315beaa8a21243b8f337535b5a76a15a34bd4015333a46b6178ef627b0a1fdf399a7b9ac62646
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536101e985875aaa215d3f54429a16b03
SHA136f9e82bc4ab798d68feb4212fcbb3376444205e
SHA25634d155ef2971150de67098654e525142adbc7cd2a4e39ee86ee94c64d80a43d1
SHA51242f8c9b40a740098c0428965965231cffb89f389160013d4932ea01ed9097ac7ca97d158b3bbdd3592bc6b28b22c8c76cb22cf8e0ce85d1100fa62b7934edbc7
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Filesize
4.1MB
MD5d58c8f7c3cc35c5623e97f4878eea72c
SHA14a9db2cc5acafcb147f987aa2f1f7dfc29de7437
SHA25616a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03
SHA5125173e6db602c9609027a580e7ba8eb88fd7957cd8e5afd87ea864b0f1d7bc1797e2a0a0e100302140cb67756c56b924c8d9c20ccf7212deb72a39ddb87b42935
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Filesize
4.1MB
MD5d58c8f7c3cc35c5623e97f4878eea72c
SHA14a9db2cc5acafcb147f987aa2f1f7dfc29de7437
SHA25616a6edc069056670a9d0f529801a3932460b59d7361860bd086b35d7c5e94b03
SHA5125173e6db602c9609027a580e7ba8eb88fd7957cd8e5afd87ea864b0f1d7bc1797e2a0a0e100302140cb67756c56b924c8d9c20ccf7212deb72a39ddb87b42935
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec