Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe
Resource
win10v2004-20240426-en
General
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Target
8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe
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Size
4.1MB
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MD5
25de89bbcf1b6b2399eed745d966e8f0
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SHA1
9593b6a78f2769b83cc949afd0482b4b29f0d9e7
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SHA256
8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc
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SHA512
011c1785b918ef8f8091da67a8d37708df8103aa6da188f5a8c6b7cea3400e2c8012c3b2a7ec77adc1ab19aeb0c81554243fc424eabe1e815c327a0bf4147120
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SSDEEP
98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP4:wX++d2b0aMbplZO0sFfS4
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4868-2-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/4868-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4496-130-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4868-155-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/4868-153-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4868-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3172-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3172-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2152 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3172 csrss.exe 5044 injector.exe 2564 windefender.exe 4876 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023408-217.dat upx behavioral1/memory/2564-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe File created C:\Windows\rss\csrss.exe 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.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 2436 sc.exe -
pid Process 4604 powershell.exe 2288 powershell.exe 5088 powershell.exe 2952 powershell.exe 1228 powershell.exe 3528 powershell.exe 2556 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 692 schtasks.exe 2588 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 powershell.exe 2952 powershell.exe 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 1228 powershell.exe 1228 powershell.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 3528 powershell.exe 3528 powershell.exe 3528 powershell.exe 2556 powershell.exe 2556 powershell.exe 2556 powershell.exe 4604 powershell.exe 4604 powershell.exe 2288 powershell.exe 2288 powershell.exe 5088 powershell.exe 5088 powershell.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 3172 csrss.exe 3172 csrss.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 3172 csrss.exe 3172 csrss.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 3172 csrss.exe 3172 csrss.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Token: SeImpersonatePrivilege 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeSystemEnvironmentPrivilege 3172 csrss.exe Token: SeSecurityPrivilege 2436 sc.exe Token: SeSecurityPrivilege 2436 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4868 wrote to memory of 2952 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 84 PID 4868 wrote to memory of 2952 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 84 PID 4868 wrote to memory of 2952 4868 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 84 PID 4496 wrote to memory of 1228 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 94 PID 4496 wrote to memory of 1228 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 94 PID 4496 wrote to memory of 1228 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 94 PID 4496 wrote to memory of 528 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 98 PID 4496 wrote to memory of 528 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 98 PID 528 wrote to memory of 2152 528 cmd.exe 101 PID 528 wrote to memory of 2152 528 cmd.exe 101 PID 4496 wrote to memory of 3528 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 103 PID 4496 wrote to memory of 3528 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 103 PID 4496 wrote to memory of 3528 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 103 PID 4496 wrote to memory of 2556 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 105 PID 4496 wrote to memory of 2556 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 105 PID 4496 wrote to memory of 2556 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 105 PID 4496 wrote to memory of 3172 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 109 PID 4496 wrote to memory of 3172 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 109 PID 4496 wrote to memory of 3172 4496 8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe 109 PID 3172 wrote to memory of 4604 3172 csrss.exe 110 PID 3172 wrote to memory of 4604 3172 csrss.exe 110 PID 3172 wrote to memory of 4604 3172 csrss.exe 110 PID 3172 wrote to memory of 2288 3172 csrss.exe 116 PID 3172 wrote to memory of 2288 3172 csrss.exe 116 PID 3172 wrote to memory of 2288 3172 csrss.exe 116 PID 3172 wrote to memory of 5088 3172 csrss.exe 118 PID 3172 wrote to memory of 5088 3172 csrss.exe 118 PID 3172 wrote to memory of 5088 3172 csrss.exe 118 PID 3172 wrote to memory of 5044 3172 csrss.exe 120 PID 3172 wrote to memory of 5044 3172 csrss.exe 120 PID 2564 wrote to memory of 1572 2564 windefender.exe 126 PID 2564 wrote to memory of 1572 2564 windefender.exe 126 PID 2564 wrote to memory of 1572 2564 windefender.exe 126 PID 1572 wrote to memory of 2436 1572 cmd.exe 127 PID 1572 wrote to memory of 2436 1572 cmd.exe 127 PID 1572 wrote to memory of 2436 1572 cmd.exe 127 -
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\8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe"C:\Users\Admin\AppData\Local\Temp\8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2952
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C:\Users\Admin\AppData\Local\Temp\8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe"C:\Users\Admin\AppData\Local\Temp\8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.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:4496 -
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:1228
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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:528 -
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:2152
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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:3528
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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:2556
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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:3172 -
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:4604
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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:692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3472
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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:2288
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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:5088
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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:5044
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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:2588
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2564 -
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:1572 -
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:2436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4876
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
MD5be050f206a220809e691c42eb55165c5
SHA15a9faad7a16c657b73562bfc5789589af4c7f3fd
SHA256325dde9d0606df1b74482d570e490bddb8822bd33bc9dcc297f5edb8e2b9ce51
SHA5127c7c5965a6e7fc4ea8475dcf6e8d268512c5d20cc44e17fa22b863a6961c5612ad067ae6de879aef4bf3e15eefce3b0aab0225c634c0686d07fed0ca86ba90a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c74af087b85ade1175256f493623d8f3
SHA157ebbb60351f8f13fe99847019683709f6c0fe02
SHA256545563cd1a1ef0eb618f70d8b2e76547a4113ef725054cf6862aa4d1263e3b53
SHA5129ddeba634d637cf9bfff399797e1f34e0bd9b7a64f887bb03068533473be6ce2d2792150dd8c0033cc1b5e980120f6f69e8004bf351a53d2415f0191dc3b7d54
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc358b987d04ad4fabdb4a23a7960f80
SHA10cee082b458cee824063384bfece9f4cc53a94e9
SHA256e63c0beffea4234d705a2fc2d83f67b0e7bc5d4fd181037b9e2325544b477da7
SHA5125d05c3f1d918ae617772af4bbc9c6e3a8f1d80ac3469c44d4d1ee2c6c33d450c6d751a7d4add9244390b6980b4f729a5322abea549fb294b7bf1feb8eface1e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594d692edd70b32572707b063301c6f24
SHA1020b0f12c50f33c596205f4424f4dccecb0b99e0
SHA2565af31d56d090d62bd69a071bdc811ff4d9f001a736113e72d23acc99d4e65f79
SHA5128308afc99de7f4a6d35504d36dcccb8978da0e56c84c855a848113dff3fd551f698d139c1ca048db1b04d21c8134ff7fe01c6c8b1eb659251d01f32b4d77b7d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8c6e890d14d6fd280fe60a7e98c0057
SHA104ed55c1ebe826dae52fdbba0b0da83228b39c0e
SHA25666619b0922e0ea447f707057b32a53b6261e2b836fb2b2f54a15463099ef750f
SHA5127e79823c0dd64adcb2c74c74af55923b159ae5a111b899e793af2340c13262fe8c624cec9af79bc70e251db1183c71f0b9f40e613e391b776639e74ae48b02e2
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Filesize
4.1MB
MD525de89bbcf1b6b2399eed745d966e8f0
SHA19593b6a78f2769b83cc949afd0482b4b29f0d9e7
SHA2568cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc
SHA512011c1785b918ef8f8091da67a8d37708df8103aa6da188f5a8c6b7cea3400e2c8012c3b2a7ec77adc1ab19aeb0c81554243fc424eabe1e815c327a0bf4147120
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec