Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe
Resource
win10v2004-20240508-en
General
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Target
de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe
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Size
4.1MB
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MD5
7a3187474038b262c80eb70b55fd6f06
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SHA1
73fc124403942d3207214a23ba4bf4b8f7f0a913
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SHA256
de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3
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SHA512
b39989c1f40810ef980bac8dec49fbe356fedfbb620962d3037b667d81b42ea565b4329c82880da07a175bdc65a4e7fb715b15176faf9e2fbd8d7d4d55460414
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SSDEEP
98304:7mSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh921:70ObLh9WfG/tSdeC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3404-2-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/3404-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3404-80-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3404-128-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/672-133-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3404-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2116-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2116-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2116 csrss.exe 3428 injector.exe 64 windefender.exe 4956 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023451-218.dat upx behavioral1/memory/64-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/64-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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 -
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 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.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 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4760 sc.exe -
pid Process 1912 powershell.exe 372 powershell.exe 316 powershell.exe 2156 powershell.exe 4068 powershell.exe 2820 powershell.exe 4420 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 4924 schtasks.exe 4436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.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\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh 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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4068 powershell.exe 4068 powershell.exe 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 2820 powershell.exe 2820 powershell.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 4420 powershell.exe 4420 powershell.exe 1912 powershell.exe 1912 powershell.exe 1912 powershell.exe 372 powershell.exe 372 powershell.exe 372 powershell.exe 316 powershell.exe 316 powershell.exe 316 powershell.exe 2156 powershell.exe 2156 powershell.exe 2156 powershell.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 2116 csrss.exe 2116 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 2116 csrss.exe 2116 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 2116 csrss.exe 2116 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Token: SeImpersonatePrivilege 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 372 powershell.exe Token: SeDebugPrivilege 316 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeSystemEnvironmentPrivilege 2116 csrss.exe Token: SeSecurityPrivilege 4760 sc.exe Token: SeSecurityPrivilege 4760 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3404 wrote to memory of 4068 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 86 PID 3404 wrote to memory of 4068 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 86 PID 3404 wrote to memory of 4068 3404 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 86 PID 672 wrote to memory of 2820 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 94 PID 672 wrote to memory of 2820 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 94 PID 672 wrote to memory of 2820 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 94 PID 672 wrote to memory of 4756 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 99 PID 672 wrote to memory of 4756 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 99 PID 4756 wrote to memory of 3380 4756 cmd.exe 101 PID 4756 wrote to memory of 3380 4756 cmd.exe 101 PID 672 wrote to memory of 4420 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 102 PID 672 wrote to memory of 4420 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 102 PID 672 wrote to memory of 4420 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 102 PID 672 wrote to memory of 1912 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 107 PID 672 wrote to memory of 1912 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 107 PID 672 wrote to memory of 1912 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 107 PID 672 wrote to memory of 2116 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 110 PID 672 wrote to memory of 2116 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 110 PID 672 wrote to memory of 2116 672 de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe 110 PID 2116 wrote to memory of 372 2116 csrss.exe 112 PID 2116 wrote to memory of 372 2116 csrss.exe 112 PID 2116 wrote to memory of 372 2116 csrss.exe 112 PID 2116 wrote to memory of 316 2116 csrss.exe 119 PID 2116 wrote to memory of 316 2116 csrss.exe 119 PID 2116 wrote to memory of 316 2116 csrss.exe 119 PID 2116 wrote to memory of 2156 2116 csrss.exe 122 PID 2116 wrote to memory of 2156 2116 csrss.exe 122 PID 2116 wrote to memory of 2156 2116 csrss.exe 122 PID 2116 wrote to memory of 3428 2116 csrss.exe 124 PID 2116 wrote to memory of 3428 2116 csrss.exe 124 PID 64 wrote to memory of 780 64 windefender.exe 133 PID 64 wrote to memory of 780 64 windefender.exe 133 PID 64 wrote to memory of 780 64 windefender.exe 133 PID 780 wrote to memory of 4760 780 cmd.exe 134 PID 780 wrote to memory of 4760 780 cmd.exe 134 PID 780 wrote to memory of 4760 780 cmd.exe 134 -
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\de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe"C:\Users\Admin\AppData\Local\Temp\de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068
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C:\Users\Admin\AppData\Local\Temp\de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.exe"C:\Users\Admin\AppData\Local\Temp\de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3.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:672 -
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:2820
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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:4756 -
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:3380
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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:4420
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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:1912
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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:2116 -
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:372
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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:4924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1652
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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:316
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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:2156
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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:3428
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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:4436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:64 -
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:780 -
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:4760
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51beaf534fac9d22ac1149e94e1ff8445
SHA14ea52b53006c65947dffbcc271cb38dfa43512cd
SHA256393d279fce50a7e40da72d73e9f9e44520dce1ac61728a7eec95750fe620f2c6
SHA5121fcbbe9c0f6418585c9257315e1aa1710bacc9f8246fdbac72a5d66077a8d06d1000006d870d1c7374ae8410af68298ae7da398e0becb070bde70aa5ff18d0fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab7c81d5c86243dc5f16ecb5db801605
SHA1ae258307d9cf688fc6f9d975cedf486d3abf43b5
SHA25608f63bece3cac5f42cee192d5e3f56e8f00203a4fc515deabf96a46401468a19
SHA5123e15fa1400fd674743dc59956e9a2c096c4f0c28cc247e26c39445d01131b6acbbb7ac0ada29ca4574e073907c6d0e9b1b87fc15d90aa35e5a7e71211748f8c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578c2b58fdd281ac39940b55d34796539
SHA1030265fa07939850273c30fe1ec74fc5c0c29107
SHA256936c6da9b2ffb52e607c91b82578419c85fe52fe4a87d4cb9307dfc32bc36721
SHA512129f5cafd4a948a5e6025c39d2ed2be4fccefae8fb31e41fa7a871797445f1ab81b1e6bc7b8bd81f97280ed48a397580ab478c8807cbbf5f4edb10e8df9822f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f29725c96e0466e2fd57f99c802e23b
SHA18938d57ae808d561510a0c605391a95b6ab07455
SHA2569cc2d892d28f987f16435d183386357b2ce0b5736529cd3ea969f65975870902
SHA512f002d86a13de18b809eaad0c4e3b44cf5c025850131bd5667fbf2117d7615e0283cd72825d85210c42808197389e11f566cb517fd93a61789815b93985c33987
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57232e1e78275efb3d5b6169a299a5cdf
SHA1eeb65b86083cf2b1bf8ac7b6d37afb809d7b739e
SHA25616d9e749199dd992d7af3866df01d7ebb5f6faa7607b8f93ddd7503f57bc3991
SHA5120574772911a7ba42123f7865d85b8947304ee11db072e3d3c52b52c6e1d91ac7025ca6c3659196a672234b60c78c9fcc6e148f800fff82067cb89523704a766a
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Filesize
4.1MB
MD57a3187474038b262c80eb70b55fd6f06
SHA173fc124403942d3207214a23ba4bf4b8f7f0a913
SHA256de991298b019543e07054a5b47e67655266b9552ea317eda901968756febd9a3
SHA512b39989c1f40810ef980bac8dec49fbe356fedfbb620962d3037b667d81b42ea565b4329c82880da07a175bdc65a4e7fb715b15176faf9e2fbd8d7d4d55460414
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec