Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe
Resource
win10v2004-20240508-en
General
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Target
7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe
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Size
4.1MB
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MD5
ac85df3b6d5030773ca94d4840c90694
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SHA1
991cd92e0caa33e1613995cfc7a84b5757931d61
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SHA256
7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16
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SHA512
f28e64b477b6b34f7b32955fc566460c95b23aa983b6f6bad2143945f9fc630a8a9ce1f3fa201879e63aa34c4df890e85f9dc6c11b5580f1ac7b3c14e8f22854
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SSDEEP
98304:npLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCU:pLlNLHtGNcOLFp5JFwlsCU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2616-2-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/2616-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2616-48-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2616-51-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/2616-72-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2616-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4376-98-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4376-127-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-151-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-203-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-219-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-226-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2860-246-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3900 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2860 csrss.exe 1148 injector.exe 4924 windefender.exe 4608 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-207.dat upx behavioral2/memory/4924-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4924-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4608-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4608-225-0x0000000000400000-0x00000000008DF000-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\"" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.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\"" 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 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 -
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 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe File created C:\Windows\rss\csrss.exe 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.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 3752 sc.exe -
pid Process 3396 powershell.exe 3780 powershell.exe 4092 powershell.exe 4076 powershell.exe 1316 powershell.exe 1940 powershell.exe 1440 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 1616 schtasks.exe 4792 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1316 powershell.exe 1316 powershell.exe 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 1940 powershell.exe 1940 powershell.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 1440 powershell.exe 1440 powershell.exe 3396 powershell.exe 3396 powershell.exe 3780 powershell.exe 3780 powershell.exe 4092 powershell.exe 4092 powershell.exe 4076 powershell.exe 4076 powershell.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 2860 csrss.exe 2860 csrss.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 2860 csrss.exe 2860 csrss.exe 1148 injector.exe 1148 injector.exe 2860 csrss.exe 2860 csrss.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Token: SeImpersonatePrivilege 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeSystemEnvironmentPrivilege 2860 csrss.exe Token: SeSecurityPrivilege 3752 sc.exe Token: SeSecurityPrivilege 3752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2616 wrote to memory of 1316 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 78 PID 2616 wrote to memory of 1316 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 78 PID 2616 wrote to memory of 1316 2616 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 78 PID 4376 wrote to memory of 1940 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 83 PID 4376 wrote to memory of 1940 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 83 PID 4376 wrote to memory of 1940 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 83 PID 4376 wrote to memory of 1160 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 85 PID 4376 wrote to memory of 1160 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 85 PID 1160 wrote to memory of 3900 1160 cmd.exe 87 PID 1160 wrote to memory of 3900 1160 cmd.exe 87 PID 4376 wrote to memory of 1440 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 88 PID 4376 wrote to memory of 1440 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 88 PID 4376 wrote to memory of 1440 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 88 PID 4376 wrote to memory of 3396 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 90 PID 4376 wrote to memory of 3396 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 90 PID 4376 wrote to memory of 3396 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 90 PID 4376 wrote to memory of 2860 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 92 PID 4376 wrote to memory of 2860 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 92 PID 4376 wrote to memory of 2860 4376 7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe 92 PID 2860 wrote to memory of 3780 2860 csrss.exe 93 PID 2860 wrote to memory of 3780 2860 csrss.exe 93 PID 2860 wrote to memory of 3780 2860 csrss.exe 93 PID 2860 wrote to memory of 4092 2860 csrss.exe 98 PID 2860 wrote to memory of 4092 2860 csrss.exe 98 PID 2860 wrote to memory of 4092 2860 csrss.exe 98 PID 2860 wrote to memory of 4076 2860 csrss.exe 101 PID 2860 wrote to memory of 4076 2860 csrss.exe 101 PID 2860 wrote to memory of 4076 2860 csrss.exe 101 PID 2860 wrote to memory of 1148 2860 csrss.exe 103 PID 2860 wrote to memory of 1148 2860 csrss.exe 103 PID 4924 wrote to memory of 3792 4924 windefender.exe 109 PID 4924 wrote to memory of 3792 4924 windefender.exe 109 PID 4924 wrote to memory of 3792 4924 windefender.exe 109 PID 3792 wrote to memory of 3752 3792 cmd.exe 110 PID 3792 wrote to memory of 3752 3792 cmd.exe 110 PID 3792 wrote to memory of 3752 3792 cmd.exe 110 -
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\7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe"C:\Users\Admin\AppData\Local\Temp\7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316
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C:\Users\Admin\AppData\Local\Temp\7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.exe"C:\Users\Admin\AppData\Local\Temp\7dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16.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:4376 -
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:1940
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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:1160 -
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:3900
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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:1440
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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:3396
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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:2860 -
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:3780
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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:1616
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1488
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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:4092
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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:4076
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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:1148
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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:4792
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4924 -
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:3792 -
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:3752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4608
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
MD546e442bab8f6ed947ea1f4a6ff27015e
SHA17b74bf208edd4ae33c1c338e1c9d95cce431b629
SHA256647e2234108ce0bf1a929373c51dd4815f549790ef95f8d816f6c211d4d82f14
SHA51256d868503d255d65fb2268d4d244d1294c618c34656fc1875d3355a1f1582f8b7ef95551797ac2195f1bdbe812d911d21f77ad4dd7f5f25e01aea3ec69dbc90d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52728551b73e136fd4862c73317bc85f7
SHA10577fb167e2e9b9528578a4e237ced09b9c76e38
SHA25670b6483f013ab266d667f5f74d05b3e29731c5f2f94414bbd4eabf44d4d706f1
SHA512cb427fafb07a9ad93ddb6276024c07bbc8bc3c0a373b4dc91ec15ebbd7fad3eb1fec5d96e824350d0be1890a4f7c23466c19500692aaf069ccd2a88e3080fca4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0eb38348a3a249f8fac202dc9982293
SHA173869be730e92383b6b5e73ccf05dda994a7613e
SHA256f18d9a1abd41173931920ab7f71341f36fd9be06b6a11e6a4b04ded0568f757d
SHA5122773c8fd49a5f35fddb1318fa9a2859ccc5cc0d450464044b429e95166ee7cf9c09c1d4112564e799d1d02d8d9bb867a7b8ab23c1104496ee470f0fee98afd78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ecab2445338225a1fa6942a5add92f99
SHA1a3386b9eeaeb50d0ddd8da1d24199869b4785e9f
SHA25681c82be24c196eb4a4e4299229be7c44dace4ad03be5715e53b9ac19c07c8f8f
SHA5124acf46d1969642154e39b40dc83fec23a9eb26ec50126fbfd65d52d64611da4208b47384d261fb2673c7a26439903a3d4c4422a9b12eacfc8ac4c1d579f2d09f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b471ed135dfacda3b201c1e8b149a81e
SHA1eaf7c15296ed4259dae6e252be7dfe765ba41248
SHA25675e5c7ad28fe626cb805fedfdcae9225d7701ec1c75311ed5c518b27bdb39934
SHA512c9c35849f620522c53be90b6ee0be39205d498f749a061e52fb9250ba12161e79672b47ba6ccd18779ed374ad3c782626c8a441fbe04643b547227550cee9191
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Filesize
4.1MB
MD5ac85df3b6d5030773ca94d4840c90694
SHA1991cd92e0caa33e1613995cfc7a84b5757931d61
SHA2567dfc75f8caeb94eddd86145e84353600a18bf1e3c9075b79487e556d53584f16
SHA512f28e64b477b6b34f7b32955fc566460c95b23aa983b6f6bad2143945f9fc630a8a9ce1f3fa201879e63aa34c4df890e85f9dc6c11b5580f1ac7b3c14e8f22854
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec