Analysis
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max time kernel
149s -
max time network
133s -
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
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe
Resource
win10v2004-20240426-en
General
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Target
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe
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Size
4.1MB
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MD5
bca2c5a48791ae393d84f934684eb4a3
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SHA1
58d7f059d434d8ba19c0a443b4908b27dab1a4fd
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SHA256
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c
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SHA512
547d0391b6d47600baf311e5fdbcfefde3f9b6d7b1cf44f186febafe889953a0f3925a72bc198be9646a777e83125f9b2d9e340d4f7843149bb8545861cc4e3f
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCb:hLlNLHtGNcOLFp5JFwlsCb
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3748-2-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral2/memory/3748-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3748-42-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3748-51-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3748-61-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral2/memory/3748-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2632-75-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2632-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-196-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-207-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-215-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-221-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-227-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5108 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4068 csrss.exe 3804 injector.exe 1500 windefender.exe 2096 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa73-206.dat upx behavioral2/memory/1500-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2096-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1500-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2096-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2096-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe File created C:\Windows\rss\csrss.exe fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.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 908 sc.exe -
pid Process 1508 powershell.exe 2712 powershell.exe 3264 powershell.exe 2520 powershell.exe 5080 powershell.exe 4892 powershell.exe 2784 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 852 schtasks.exe 1920 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-192 = "Mountain Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5080 powershell.exe 5080 powershell.exe 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 4892 powershell.exe 4892 powershell.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2784 powershell.exe 2784 powershell.exe 1508 powershell.exe 1508 powershell.exe 2712 powershell.exe 2712 powershell.exe 3264 powershell.exe 3264 powershell.exe 2520 powershell.exe 2520 powershell.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 4068 csrss.exe 4068 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 4068 csrss.exe 4068 csrss.exe 3804 injector.exe 3804 injector.exe 4068 csrss.exe 4068 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Token: SeImpersonatePrivilege 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Token: SeDebugPrivilege 4892 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeSystemEnvironmentPrivilege 4068 csrss.exe Token: SeSecurityPrivilege 908 sc.exe Token: SeSecurityPrivilege 908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3748 wrote to memory of 5080 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 81 PID 3748 wrote to memory of 5080 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 81 PID 3748 wrote to memory of 5080 3748 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 81 PID 2632 wrote to memory of 4892 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 86 PID 2632 wrote to memory of 4892 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 86 PID 2632 wrote to memory of 4892 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 86 PID 2632 wrote to memory of 3804 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 88 PID 2632 wrote to memory of 3804 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 88 PID 3804 wrote to memory of 5108 3804 cmd.exe 90 PID 3804 wrote to memory of 5108 3804 cmd.exe 90 PID 2632 wrote to memory of 2784 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 91 PID 2632 wrote to memory of 2784 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 91 PID 2632 wrote to memory of 2784 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 91 PID 2632 wrote to memory of 1508 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 2632 wrote to memory of 1508 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 2632 wrote to memory of 1508 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 2632 wrote to memory of 4068 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 96 PID 2632 wrote to memory of 4068 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 96 PID 2632 wrote to memory of 4068 2632 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 96 PID 4068 wrote to memory of 2712 4068 csrss.exe 97 PID 4068 wrote to memory of 2712 4068 csrss.exe 97 PID 4068 wrote to memory of 2712 4068 csrss.exe 97 PID 4068 wrote to memory of 3264 4068 csrss.exe 102 PID 4068 wrote to memory of 3264 4068 csrss.exe 102 PID 4068 wrote to memory of 3264 4068 csrss.exe 102 PID 4068 wrote to memory of 2520 4068 csrss.exe 105 PID 4068 wrote to memory of 2520 4068 csrss.exe 105 PID 4068 wrote to memory of 2520 4068 csrss.exe 105 PID 4068 wrote to memory of 3804 4068 csrss.exe 107 PID 4068 wrote to memory of 3804 4068 csrss.exe 107 PID 1500 wrote to memory of 4388 1500 windefender.exe 113 PID 1500 wrote to memory of 4388 1500 windefender.exe 113 PID 1500 wrote to memory of 4388 1500 windefender.exe 113 PID 4388 wrote to memory of 908 4388 cmd.exe 114 PID 4388 wrote to memory of 908 4388 cmd.exe 114 PID 4388 wrote to memory of 908 4388 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
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C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.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:2632 -
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:4892
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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:3804 -
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:5108
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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:2784
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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:1508
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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:4068 -
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:2712
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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:852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1044
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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:3264
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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:2520
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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:3804
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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:1920
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1500 -
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:4388 -
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:908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2096
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
MD5d2c376c3faae7eb1931d6d4965b86fbe
SHA1dcd9869715aea7986aace91abe6059d2ad3b0a86
SHA2565d81dd9b5f37eee82cc966e075d44f053756b364615d9f9620d21f39b23639b8
SHA512960a1a24cf24ecb226b34d59107730ef907a38dfee67ed16b4fa7eda5038c37c43a14ffd9886c70b175cc2f9254fc12700545147c5d840181108e82fb42dec0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c85488370671c32bae6c1a7ce93e7d58
SHA1ca6fc4e59bd69b268bef28cda64b215001797a20
SHA2561b8aeea6237b49ab07cd782caa911eabad9456d20bbaa83a5f6e5f8601547423
SHA512cedb4309ce57c08f860f01ab4d49212b5f6eda9ac6a1cef65901b3da362275a3ca6a08d6fd6dd75bffe66d33cac24096ca5b920f7f2816d6201964721f78a2d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a0cf14d506e8024ba2a6cfff20872a2
SHA19cd8ddd70cd17fd4540ec004b7d6adb440f23fa0
SHA2569e4d1eb672b00070babe16736e243c4859daa41f01bb63e2807b2b5401babdec
SHA512a579eb375ab928384ee0e9bc720c9cc433e6abc08a3b9dc3c99e97a9468d0c8348804694b740f175238c8b3a08980ae666eae60d0ff4b6c62876ccb048d147a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531b971390691e2f778cf8396339d323f
SHA12f9c86ebbbd604c00a2fbde9109fb2a293550efd
SHA25674c9deee6336b6e0b648987bda8fe526ccef8d7769a6a2b8e7e629515ca7cf7a
SHA51240904fb0697d8f2158af817debbe07bfb7cfa9253e0e50223d38107511f8154b24135f7e30ecbb230e15689ec5ef4100244d28281ba3d80c868781187edd3db5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5288fc9a70a18980dcfcbdb3fc67a9946
SHA1f67d94468f17e5f1866330045b8070f8bac137a2
SHA2563285395fa7899b964fad63d0596ca7cc32bf808d786bed880d558f2a6a9530e0
SHA5124493f4027e57241a45a8da794d7b942db737f7e38d69daa6193d2ab3980035e7281df34b99d88000cb152266249238411ea8ecf7fa5c6e8a8c5e008adb56471e
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Filesize
4.1MB
MD5bca2c5a48791ae393d84f934684eb4a3
SHA158d7f059d434d8ba19c0a443b4908b27dab1a4fd
SHA256fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c
SHA512547d0391b6d47600baf311e5fdbcfefde3f9b6d7b1cf44f186febafe889953a0f3925a72bc198be9646a777e83125f9b2d9e340d4f7843149bb8545861cc4e3f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec