Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe
Resource
win10v2004-20240426-en
General
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Target
6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe
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Size
4.1MB
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MD5
0e584fd684e8f11ea10266f7aba96d59
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SHA1
0da99d990bdde6613d7b95667b55ad1fae50f09d
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SHA256
6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097
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SHA512
84a77aafb698e30bee3dd01192bc5715e948a844dd9260894f087f6baebbe80d58acba0e450ec1befa68c1e7cf96d9373ca2dc6bc61c6adee8075ce308463186
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SSDEEP
98304:cd7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErz:+RMSLQaVNfPUP9FaqUIATxXaCdFFREnG
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1656-2-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/1656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1656-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1656-57-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/1656-79-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1656-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4456-108-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4456-174-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-257-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-261-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-265-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3828-269-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2352 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3828 csrss.exe 1416 injector.exe 3496 windefender.exe 4956 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023431-223.dat upx behavioral1/memory/3496-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3496-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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\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 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 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe File created C:\Windows\rss\csrss.exe 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.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 1252 sc.exe -
pid Process 716 powershell.exe 1676 powershell.exe 4524 powershell.exe 2264 powershell.exe 2072 powershell.exe 2824 powershell.exe 4044 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 3128 schtasks.exe 4540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.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,-2061 = "North Korea Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island 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,-391 = "Arab Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.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,-721 = "Central Pacific Daylight Time" 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4044 powershell.exe 4044 powershell.exe 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 716 powershell.exe 716 powershell.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 1676 powershell.exe 1676 powershell.exe 4524 powershell.exe 4524 powershell.exe 2264 powershell.exe 2264 powershell.exe 2072 powershell.exe 2072 powershell.exe 2824 powershell.exe 2824 powershell.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 3828 csrss.exe 3828 csrss.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 3828 csrss.exe 3828 csrss.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 3828 csrss.exe 3828 csrss.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Token: SeImpersonatePrivilege 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe Token: SeDebugPrivilege 716 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 2824 powershell.exe Token: SeSystemEnvironmentPrivilege 3828 csrss.exe Token: SeSecurityPrivilege 1252 sc.exe Token: SeSecurityPrivilege 1252 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1656 wrote to memory of 4044 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 94 PID 1656 wrote to memory of 4044 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 94 PID 1656 wrote to memory of 4044 1656 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 94 PID 4456 wrote to memory of 716 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 101 PID 4456 wrote to memory of 716 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 101 PID 4456 wrote to memory of 716 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 101 PID 4456 wrote to memory of 5080 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 103 PID 4456 wrote to memory of 5080 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 103 PID 5080 wrote to memory of 2352 5080 cmd.exe 105 PID 5080 wrote to memory of 2352 5080 cmd.exe 105 PID 4456 wrote to memory of 1676 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 106 PID 4456 wrote to memory of 1676 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 106 PID 4456 wrote to memory of 1676 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 106 PID 4456 wrote to memory of 4524 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 108 PID 4456 wrote to memory of 4524 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 108 PID 4456 wrote to memory of 4524 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 108 PID 4456 wrote to memory of 3828 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 110 PID 4456 wrote to memory of 3828 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 110 PID 4456 wrote to memory of 3828 4456 6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe 110 PID 3828 wrote to memory of 2264 3828 csrss.exe 112 PID 3828 wrote to memory of 2264 3828 csrss.exe 112 PID 3828 wrote to memory of 2264 3828 csrss.exe 112 PID 3828 wrote to memory of 2072 3828 csrss.exe 117 PID 3828 wrote to memory of 2072 3828 csrss.exe 117 PID 3828 wrote to memory of 2072 3828 csrss.exe 117 PID 3828 wrote to memory of 2824 3828 csrss.exe 120 PID 3828 wrote to memory of 2824 3828 csrss.exe 120 PID 3828 wrote to memory of 2824 3828 csrss.exe 120 PID 3828 wrote to memory of 1416 3828 csrss.exe 123 PID 3828 wrote to memory of 1416 3828 csrss.exe 123 PID 3496 wrote to memory of 3632 3496 windefender.exe 129 PID 3496 wrote to memory of 3632 3496 windefender.exe 129 PID 3496 wrote to memory of 3632 3496 windefender.exe 129 PID 3632 wrote to memory of 1252 3632 cmd.exe 130 PID 3632 wrote to memory of 1252 3632 cmd.exe 130 PID 3632 wrote to memory of 1252 3632 cmd.exe 130 -
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\6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe"C:\Users\Admin\AppData\Local\Temp\6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.exe"C:\Users\Admin\AppData\Local\Temp\6eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097.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:4456 -
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:716
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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:5080 -
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:2352
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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:1676
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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:4524
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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:3828 -
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:2264
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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:3128
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3692
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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:2072
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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:2824
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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:1416
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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:4540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3496 -
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:3632 -
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:1252
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4956
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
MD5ae817241cb1dbefdf30c06edd82b43b8
SHA1e0f3bc01c13e6598d69f97e8a597dff0da81e1c5
SHA256b0f5ab9b205df6ff141ab33d74454a19dae545271b3ca40847e27afd9efc77b9
SHA512d4a32a6c5b1144f17a417064ab1807c8baa788cc1d2b815fe63c9fb1e724d3153fa210023f67cf17138866972c17c5d4122a7463be692a9876777d30adac8cb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54213a9e0ec4854263bbc8c30e54a2c2d
SHA129ff8469968c0b3891c9e5c00f8da1ced69d370a
SHA256f59b51e482735c7acd98b0d0be824da914adfe46255dcff658b45e1d6e1c9f89
SHA5128783283543466172d21b4d5a1bb36b738a05f30cd7182423cbc9892c5a579ac53cad178b2e80d3ed547a85f2a2e1228a9f094cda6406e9ef1b9461bed9e93e18
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdf722c34b24dfc2c029c767c03eb4bc
SHA11ee3e460ba942dfcabdc32b380c0f3a760402b6e
SHA256779898844a717db0866ded5d5f63dbcd41006fe2008e9dbb3baabd0a2f79cb85
SHA512234b679f0fcd6c25bd6858697909ff2c4f69e4910e19aa704de83228d769e0042e04e4c24a81c42bc61ac3dea0901e81e23024b6cd5b20e345a75ba4b329efce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540e6c717e255a0b7f5aad946130a6ddc
SHA1f2aefb40a97bb542c72a407ecd0507035b736f3f
SHA25629b0d2e280d3f6f8e80633a471491d37886580ec0c0707109e51d3fe9dd0d3f6
SHA5120decba22ed58ba893ba13344b7d8411bd08af01c8503209cc04214dbd45c16dbbfdc0a1e77d3bd2ace2cc2d7bdf243c2841f264afd686daa28dd6ca7dc063c90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddd9b3d370ac0b8ac04a1c1a846b102b
SHA1a00a56b1ee7faee8fe86fe77e324eec52992f0f7
SHA256fe2f91d816519a4086b60afeb33cae2c9013fd1c1d0b7fabe229fd119dd9a357
SHA5129f3156eb42ea0cae47e1bed4b2620524bdecc14fb586974791d480c3de5ea4e8012b5c183f0732ce5e180630718c71f10f30a7db0afd26d16b1eb81489a57af5
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Filesize
4.1MB
MD50e584fd684e8f11ea10266f7aba96d59
SHA10da99d990bdde6613d7b95667b55ad1fae50f09d
SHA2566eb8942c2cb356c7e1062e2cc583eddc47c227b07845c8e5b22f5acfa57b2097
SHA51284a77aafb698e30bee3dd01192bc5715e948a844dd9260894f087f6baebbe80d58acba0e450ec1befa68c1e7cf96d9373ca2dc6bc61c6adee8075ce308463186
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec