Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 04:23
Static task
static1
Behavioral task
behavioral1
Sample
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe
Resource
win10v2004-20240426-en
General
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Target
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe
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Size
4.1MB
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MD5
d78ccbbf670d86a5c58611ffde6d381b
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SHA1
40d0317287ba0c349ef036d2278be888f564aa1c
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SHA256
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3
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SHA512
d0d2dc5b7970e25e370c22a67571ee8fe7398c787e2c9f102a7292041a001c80378b5242c84f87db096b9117052273d66ed092517f25b22fb8b762aeb92d928a
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SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcG:pI9hoq9wC6uGlB/xgG
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3024-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3024-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3024-120-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3156-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 560 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4080 csrss.exe 3280 injector.exe 3864 windefender.exe 4792 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1b-204.dat upx behavioral2/memory/3864-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4792-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3864-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4792-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4792-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4792-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 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 -
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 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe File created C:\Windows\rss\csrss.exe 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3516 sc.exe -
pid Process 4532 powershell.exe 1180 powershell.exe 2636 powershell.exe 3276 powershell.exe 2752 powershell.exe 1560 powershell.exe 4384 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 2228 schtasks.exe 4504 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.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\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk 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,-1661 = "Bahia Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.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" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab 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 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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4532 powershell.exe 4532 powershell.exe 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 1180 powershell.exe 1180 powershell.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 2636 powershell.exe 2636 powershell.exe 3276 powershell.exe 3276 powershell.exe 2752 powershell.exe 2752 powershell.exe 1560 powershell.exe 1560 powershell.exe 4384 powershell.exe 4384 powershell.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 4080 csrss.exe 4080 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 4080 csrss.exe 4080 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 4080 csrss.exe 4080 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Token: SeImpersonatePrivilege 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Token: SeDebugPrivilege 1180 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeSystemEnvironmentPrivilege 4080 csrss.exe Token: SeSecurityPrivilege 3516 sc.exe Token: SeSecurityPrivilege 3516 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3024 wrote to memory of 4532 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 82 PID 3024 wrote to memory of 4532 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 82 PID 3024 wrote to memory of 4532 3024 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 82 PID 3156 wrote to memory of 1180 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 88 PID 3156 wrote to memory of 1180 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 88 PID 3156 wrote to memory of 1180 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 88 PID 3156 wrote to memory of 2364 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 90 PID 3156 wrote to memory of 2364 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 90 PID 2364 wrote to memory of 560 2364 cmd.exe 92 PID 2364 wrote to memory of 560 2364 cmd.exe 92 PID 3156 wrote to memory of 2636 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 93 PID 3156 wrote to memory of 2636 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 93 PID 3156 wrote to memory of 2636 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 93 PID 3156 wrote to memory of 3276 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 95 PID 3156 wrote to memory of 3276 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 95 PID 3156 wrote to memory of 3276 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 95 PID 3156 wrote to memory of 4080 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 97 PID 3156 wrote to memory of 4080 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 97 PID 3156 wrote to memory of 4080 3156 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 97 PID 4080 wrote to memory of 2752 4080 csrss.exe 98 PID 4080 wrote to memory of 2752 4080 csrss.exe 98 PID 4080 wrote to memory of 2752 4080 csrss.exe 98 PID 4080 wrote to memory of 1560 4080 csrss.exe 103 PID 4080 wrote to memory of 1560 4080 csrss.exe 103 PID 4080 wrote to memory of 1560 4080 csrss.exe 103 PID 4080 wrote to memory of 4384 4080 csrss.exe 106 PID 4080 wrote to memory of 4384 4080 csrss.exe 106 PID 4080 wrote to memory of 4384 4080 csrss.exe 106 PID 4080 wrote to memory of 3280 4080 csrss.exe 108 PID 4080 wrote to memory of 3280 4080 csrss.exe 108 PID 3864 wrote to memory of 3064 3864 windefender.exe 114 PID 3864 wrote to memory of 3064 3864 windefender.exe 114 PID 3864 wrote to memory of 3064 3864 windefender.exe 114 PID 3064 wrote to memory of 3516 3064 cmd.exe 115 PID 3064 wrote to memory of 3516 3064 cmd.exe 115 PID 3064 wrote to memory of 3516 3064 cmd.exe 115 -
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\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.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:3156 -
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:1180
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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:2364 -
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:560
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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:2636
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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:3276
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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:4080 -
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:2752
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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:2228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2484
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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:1560
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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:4384
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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:3280
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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:4504
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3864 -
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:3064 -
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:3516
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4792
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8b33c6607de95a9561ad5fb6810170c
SHA145cd864c8b7b382f96bee81e96764a7961873c8f
SHA25655386526a5a706367790ef816974adbfcbbfa76db9d027405e404f9be1833162
SHA51245e1d3e2d4d12ea3b7a69be0a29effd7193eae2480475002f42a6cb769748cc21a4c6b8b4e864d194e75d1214d0ed1337fb18528a7e51e7c46a7d4b2af35cc98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fc8ffa8acdc6a4aa5d2cd50c2ec03f2
SHA1969420aed8ef92bb4e3249d5f74d1729d1477661
SHA2560406b044c6cf4f034f684f7b9dc500ea0a1ebd2ffc9bfbba07693f65fc4cf33e
SHA5123d819f505e9fd139da2e7b36b6d0f0e48dccbaea3d146542f28f14f75a1381f0fcbb1f020c5765ddab4b597fb65309b9c8ec31df521fcd1c6f257437c59b0f7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b654611becd232902c4f84595e70cffb
SHA1abbc6c27c03e42222cb5656fd055c77e89fceff9
SHA256cea9bbd6b2e8c83c529776a8e64497590835e86a3e81728977d01d5ff8bca467
SHA5126cb54b3a8b15e7d24396612874687ec9056d6ebe3aa6653f25b12c72ea4cefb1c1a81542241675845051085e55ffdd3595830dec9c7087f6e427334b3799e817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bb6e034a706020666e42c69e1622d33
SHA109376de21de52d9fe1401fd4f88a4f5b266837b7
SHA256ef5d388dd4307ab85bdd1a5366624ff1780fceda388f42f46a383f8b0a34484e
SHA5123ff743def01cf73ae7021376ce9b7b44a61eb917b2116c946e33bb7f6e25754b07baaaec12ab07a8c9770971df95f5f9a43d674fcee8837b6d8edbcb2b89fa90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564f778a4ac1d887589775edd22c132df
SHA1df67fd3ab10c53f42535876bbe8fca534f0fde8e
SHA2568a79330e03a67615e2a987beac99f6417c11ca39f2fe30f0d910f76de272c02e
SHA51224ec8365d3afc8c8033dce2a624c560a3e31f5ab9355927d4ebd214aa375353fe1a8941a3bdf47ff28a0affdd8a2a0e697f8655eeb9a41eab6025f096962cdcb
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Filesize
4.1MB
MD5d78ccbbf670d86a5c58611ffde6d381b
SHA140d0317287ba0c349ef036d2278be888f564aa1c
SHA256541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3
SHA512d0d2dc5b7970e25e370c22a67571ee8fe7398c787e2c9f102a7292041a001c80378b5242c84f87db096b9117052273d66ed092517f25b22fb8b762aeb92d928a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec