Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe
Resource
win10v2004-20240412-en
General
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Target
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe
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Size
4.2MB
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MD5
5bd514d6768423d96321a50b5e8c1435
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SHA1
60f2313170763bc7d8ac5e3efe9176d7c19e3fcc
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SHA256
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8
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SHA512
db54d99280a326f4a6f4966c4e16c5bfc607fb3aa38025abd24db1337ea53db10047e3b669bdd9319b09d51236f805af90d0bde44e4f98828c87c8492f97a577
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SSDEEP
98304:P/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGo:HdVQtLoTZDg5GO9Bqlcg
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4792-2-0x00000000041B0000-0x0000000004A9B000-memory.dmp family_glupteba behavioral2/memory/4792-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4792-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4792-54-0x00000000041B0000-0x0000000004A9B000-memory.dmp family_glupteba behavioral2/memory/1852-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1852-127-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1852-148-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1616-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2252 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1616 csrss.exe 3544 injector.exe 1336 windefender.exe 2408 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9b4-247.dat upx behavioral2/memory/1336-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2408-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2408-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 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 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5072 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3152 1852 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4172 schtasks.exe 4972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4908 powershell.exe 4908 powershell.exe 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 4000 powershell.exe 4000 powershell.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3540 powershell.exe 3540 powershell.exe 4396 powershell.exe 4396 powershell.exe 2992 powershell.exe 2992 powershell.exe 2944 powershell.exe 2944 powershell.exe 3472 powershell.exe 3472 powershell.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 1616 csrss.exe 1616 csrss.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 1616 csrss.exe 1616 csrss.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 1616 csrss.exe 1616 csrss.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe 3544 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Token: SeImpersonatePrivilege 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeSystemEnvironmentPrivilege 1616 csrss.exe Token: SeSecurityPrivilege 5072 sc.exe Token: SeSecurityPrivilege 5072 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4792 wrote to memory of 4908 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 81 PID 4792 wrote to memory of 4908 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 81 PID 4792 wrote to memory of 4908 4792 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 81 PID 1852 wrote to memory of 4000 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 1852 wrote to memory of 4000 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 1852 wrote to memory of 4000 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 1852 wrote to memory of 2172 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 89 PID 1852 wrote to memory of 2172 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 89 PID 2172 wrote to memory of 2252 2172 cmd.exe 91 PID 2172 wrote to memory of 2252 2172 cmd.exe 91 PID 1852 wrote to memory of 3540 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 92 PID 1852 wrote to memory of 3540 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 92 PID 1852 wrote to memory of 3540 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 92 PID 1852 wrote to memory of 4396 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 1852 wrote to memory of 4396 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 1852 wrote to memory of 4396 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 1852 wrote to memory of 1616 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 96 PID 1852 wrote to memory of 1616 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 96 PID 1852 wrote to memory of 1616 1852 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 96 PID 1616 wrote to memory of 2992 1616 csrss.exe 100 PID 1616 wrote to memory of 2992 1616 csrss.exe 100 PID 1616 wrote to memory of 2992 1616 csrss.exe 100 PID 1616 wrote to memory of 2944 1616 csrss.exe 105 PID 1616 wrote to memory of 2944 1616 csrss.exe 105 PID 1616 wrote to memory of 2944 1616 csrss.exe 105 PID 1616 wrote to memory of 3472 1616 csrss.exe 108 PID 1616 wrote to memory of 3472 1616 csrss.exe 108 PID 1616 wrote to memory of 3472 1616 csrss.exe 108 PID 1616 wrote to memory of 3544 1616 csrss.exe 110 PID 1616 wrote to memory of 3544 1616 csrss.exe 110 PID 1336 wrote to memory of 3916 1336 windefender.exe 116 PID 1336 wrote to memory of 3916 1336 windefender.exe 116 PID 1336 wrote to memory of 3916 1336 windefender.exe 116 PID 3916 wrote to memory of 5072 3916 cmd.exe 117 PID 3916 wrote to memory of 5072 3916 cmd.exe 117 PID 3916 wrote to memory of 5072 3916 cmd.exe 117 -
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\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.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:1852 -
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:4000
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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:2172 -
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:2252
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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:3540
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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:4396
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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:1616 -
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:2992
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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:4172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:668
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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:2944
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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:3472
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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:3544
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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:4972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1336 -
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:3916 -
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:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 8883⤵
- Program crash
PID:3152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1852 -ip 18521⤵PID:3480
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2408
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54da5a8dad343adcc69604ac10e602bcb
SHA17035dd0b4d20779c8ab3311974cd556825627325
SHA2561e07294cfb45b2db8f7723a80d5ad04142434cb0834434011b58e47ad8c77e69
SHA512b344b86171d8ee4ae0c7eb0eca067ecf5c997887e73c5b06745645929a32308f56abe8effba88d7ad8130619fcc9f2b7cd7e07d1ece2a325ae441cd70485d7a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546cc0eb61b31e73d77dd36d9426c7437
SHA16fb3a23959653f0c355e0f87d56423156b250be1
SHA256300efb9497c001c9a0d986bb139ac805e08003ab7ccdb258f3a5c0da450a35e0
SHA5123be61979b7dda13b5e582b124605cc1d4a7b8f789461f999c542003683a030239c45a2a79e1a9144be3bc61d330573aebd03fc44e283f63f5b6395a760d798bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d950da13fe91210df78ef441a7737520
SHA1d136d42c1f03836b0db3f144f83dcf41054e4698
SHA256f892b0cc12b973a76224977702dfc64dffa886e4a2de4054fd116a9028ff3b96
SHA5120877af4d922c9786a3c2eebece5e1231aeaf1309f56f30cb4d5854b9eee22231e558464cfb52e0f9d536b0a375a1c56d62ac487f84a114ab110c21a7a639c6a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d26d8d266de0e588207ae306fbaa033b
SHA1e95bc4492a182268e99971d5088bac5f2ee7833b
SHA256bb5d711226b5c5c2fbb6d9c67ababdd78ba134fc5ccf98a63bd4e358468905c0
SHA512cf22dc88d14618ef7a6531abb8263fa4724bdfa8c5f7534f7bde0443f47757c663fdfc6f2f5fb1000f6b487e6784a7adfacd5f3943600b90bd52765865938f74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5088678f8169f0d0fddd578adfb5627c9
SHA12f65883576028c6d44757e1ceee4a7d96ee0b9de
SHA256e249ee4c732df4319246b05010ac93d3c0a9cc21980b337534fc67819c6df9f6
SHA5124e9257a21c7e8c13fffb14ecc2654ef4d12a719d09caa35b0f86520f0672aa7acfa98b759364440fc2754bdc637afad308da7ac6642aa3f20d706e71490f9f64
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Filesize
4.2MB
MD55bd514d6768423d96321a50b5e8c1435
SHA160f2313170763bc7d8ac5e3efe9176d7c19e3fcc
SHA256f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8
SHA512db54d99280a326f4a6f4966c4e16c5bfc607fb3aa38025abd24db1337ea53db10047e3b669bdd9319b09d51236f805af90d0bde44e4f98828c87c8492f97a577
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec