Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe
Resource
win10v2004-20240508-en
General
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Target
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe
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Size
4.1MB
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MD5
7b76e415605a4de7d208a5ee1af2d836
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SHA1
822bce5cc1bdd6d71e04c3a30e129887e7ce4ebc
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SHA256
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960
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SHA512
ecdaab84ef5076551e5eeccab60aa23efc72e1d964b70c148cbc7c3c9c6adc173f26c00a70a5cbaa444eed46894b8a459ff1314fff6db32a714c149f7296ecca
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SSDEEP
98304:jmSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92Z:j0ObLh9WfG/tSdeO
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4980-2-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral2/memory/4980-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4980-74-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4980-89-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral2/memory/3112-110-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3112-125-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4980-139-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4000-196-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-204-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-219-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4000-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3864 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4000 csrss.exe 3276 injector.exe 3528 windefender.exe 1876 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e0-207.dat upx behavioral2/memory/3528-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3528-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe File created C:\Windows\rss\csrss.exe 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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 4444 sc.exe -
pid Process 3096 powershell.exe 1244 powershell.exe 3288 powershell.exe 2340 powershell.exe 2188 powershell.exe 3044 powershell.exe 3952 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 924 schtasks.exe 1696 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard 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\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight 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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-52 = "Greenland 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2188 powershell.exe 2188 powershell.exe 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3044 powershell.exe 3044 powershell.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 3952 powershell.exe 3952 powershell.exe 3096 powershell.exe 3096 powershell.exe 1244 powershell.exe 1244 powershell.exe 3288 powershell.exe 3288 powershell.exe 2340 powershell.exe 2340 powershell.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 4000 csrss.exe 4000 csrss.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 4000 csrss.exe 4000 csrss.exe 3276 injector.exe 3276 injector.exe 4000 csrss.exe 4000 csrss.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe 3276 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Token: SeImpersonatePrivilege 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 3952 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 3288 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeSystemEnvironmentPrivilege 4000 csrss.exe Token: SeSecurityPrivilege 4444 sc.exe Token: SeSecurityPrivilege 4444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4980 wrote to memory of 2188 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 82 PID 4980 wrote to memory of 2188 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 82 PID 4980 wrote to memory of 2188 4980 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 82 PID 3112 wrote to memory of 3044 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 87 PID 3112 wrote to memory of 3044 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 87 PID 3112 wrote to memory of 3044 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 87 PID 3112 wrote to memory of 4880 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 89 PID 3112 wrote to memory of 4880 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 89 PID 4880 wrote to memory of 3864 4880 cmd.exe 91 PID 4880 wrote to memory of 3864 4880 cmd.exe 91 PID 3112 wrote to memory of 3952 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 92 PID 3112 wrote to memory of 3952 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 92 PID 3112 wrote to memory of 3952 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 92 PID 3112 wrote to memory of 3096 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 94 PID 3112 wrote to memory of 3096 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 94 PID 3112 wrote to memory of 3096 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 94 PID 3112 wrote to memory of 4000 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 96 PID 3112 wrote to memory of 4000 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 96 PID 3112 wrote to memory of 4000 3112 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 96 PID 4000 wrote to memory of 1244 4000 csrss.exe 97 PID 4000 wrote to memory of 1244 4000 csrss.exe 97 PID 4000 wrote to memory of 1244 4000 csrss.exe 97 PID 4000 wrote to memory of 3288 4000 csrss.exe 103 PID 4000 wrote to memory of 3288 4000 csrss.exe 103 PID 4000 wrote to memory of 3288 4000 csrss.exe 103 PID 4000 wrote to memory of 2340 4000 csrss.exe 105 PID 4000 wrote to memory of 2340 4000 csrss.exe 105 PID 4000 wrote to memory of 2340 4000 csrss.exe 105 PID 4000 wrote to memory of 3276 4000 csrss.exe 107 PID 4000 wrote to memory of 3276 4000 csrss.exe 107 PID 3528 wrote to memory of 2852 3528 windefender.exe 113 PID 3528 wrote to memory of 2852 3528 windefender.exe 113 PID 3528 wrote to memory of 2852 3528 windefender.exe 113 PID 2852 wrote to memory of 4444 2852 cmd.exe 114 PID 2852 wrote to memory of 4444 2852 cmd.exe 114 PID 2852 wrote to memory of 4444 2852 cmd.exe 114 -
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\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2188
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C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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:3112 -
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:3044
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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:4880 -
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:3864
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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:3952
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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:3096
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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:4000 -
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:1244
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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:924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2096
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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:3288
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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:2340
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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:3276
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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:1696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3528 -
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:2852 -
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:4444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1876
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
MD5856fd4ce18fd873ebfda8e559a23238d
SHA1aed6fc047db819c0686df2faebd8e04ce96d3544
SHA256ab927bc4e007146e23c03c814d1463f00b04f3a200b6040969f0530ce4360c05
SHA512cd9af68100d1614ecbf71188771feadcfc14d5800bcfcae9296e5fe3cec68ac72c980612920ec6c263a55e75bb7c5f4b4e3c7d8bfb01c45869624b786924b03e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57867548dbdf9352119b4c71c5eada2a1
SHA1690df687098f7057c8a0d63eaff095aff6b92e8e
SHA25616a031d2df04e2ff5c1969ecbd225958d11b63ba5fa108dd598492c440ead3c9
SHA512e2b5402185efdfa0afa306681a3e7cbe7d682f364770a05402aba5c609a092d55ce70d0350c611bcb3936203895069d627bab83b567dbe4063a57bb796683070
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e60dbb8c5276e4ddf5c4914cf91377fb
SHA103fda542e1c23dd752e40efa5125112a0ae3354e
SHA256458c1a57b252105afeffb3df35f05a2236ee396520ee4c8f4c482040030ef310
SHA512653e6cc61540d187d0443a2ddcbd628b7b983761be30bfd8dcdc16c78046bdb1e0e86d46fad41438acc1d3dba89b6be32559c3c491e8aecbeef4b3445315fdee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a817a03aeac4c2479e15d7defec0535
SHA1be1c2dc752a5a121c36e7e06895d10d4f2327e4f
SHA256080e8e4e5384d5d6f33176594d6276ef9f10e7b0fefba5a362be60cbe3cbee0f
SHA512d607cd2fb9700517d8c7e90b5ee11d8a8cbfc5d967c09a8029fa20bb0518969ff734f2f08ec1dc30c2caa4e510289b88d7b253c237f4d6ca64b0b3e8bc4f4087
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52cbe6b9407754417633f52410e48da46
SHA117bb6f229ef7696f62c50b783b4264aa12902357
SHA2561350e053a38f02cd558791b71adc0d9051566c73f400903cccb274dc85b1f962
SHA5122963282a00cd5d843d91a8481b30a99f139fe1b79c8af7c21ec6f2a556eedafe44f2b30f9de0dfa221604cc90272fe0429097609834b59d3f71c084bffa4e50c
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Filesize
4.1MB
MD57b76e415605a4de7d208a5ee1af2d836
SHA1822bce5cc1bdd6d71e04c3a30e129887e7ce4ebc
SHA2564647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960
SHA512ecdaab84ef5076551e5eeccab60aa23efc72e1d964b70c148cbc7c3c9c6adc173f26c00a70a5cbaa444eed46894b8a459ff1314fff6db32a714c149f7296ecca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec