Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe
Resource
win10v2004-20240412-en
General
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Target
843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe
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Size
4.2MB
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MD5
1c55bf2921a2794845b046dd317ab941
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SHA1
558f6c725d67c19fd115e181d558a61deb5e62c3
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SHA256
843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8
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SHA512
aa72e9ae7b77994b42f7d82eee00ca1bbfb8522597bd226c4cee3438d904fb673b6e89348e366e5a86aa452dad38d1f5b64a14bbda01f5fdb1c7459d0825746b
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SSDEEP
98304:p00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGp:rpJcNpX++PyaASVpB6k4
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5020-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral2/memory/5020-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2744-53-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral2/memory/5020-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2744-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2744-151-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-248-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1516 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2284 csrss.exe 3516 injector.exe 4416 windefender.exe 4468 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002aa27-251.dat upx behavioral2/memory/4416-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4468-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4468-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe File created C:\Windows\rss\csrss.exe 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.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 4520 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4076 5020 WerFault.exe 77 1168 2744 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2208 schtasks.exe 3568 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2184 powershell.exe 2184 powershell.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 3704 powershell.exe 3704 powershell.exe 904 powershell.exe 904 powershell.exe 1468 powershell.exe 1468 powershell.exe 656 powershell.exe 656 powershell.exe 1488 powershell.exe 1488 powershell.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 2284 csrss.exe 2284 csrss.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 2284 csrss.exe 2284 csrss.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 2284 csrss.exe 2284 csrss.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe 3516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Token: SeImpersonatePrivilege 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeDebugPrivilege 1468 powershell.exe Token: SeDebugPrivilege 656 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe Token: SeSystemEnvironmentPrivilege 2284 csrss.exe Token: SeSecurityPrivilege 4520 sc.exe Token: SeSecurityPrivilege 4520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5020 wrote to memory of 4640 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 80 PID 5020 wrote to memory of 4640 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 80 PID 5020 wrote to memory of 4640 5020 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 80 PID 2744 wrote to memory of 2184 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 89 PID 2744 wrote to memory of 2184 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 89 PID 2744 wrote to memory of 2184 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 89 PID 2744 wrote to memory of 2404 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 91 PID 2744 wrote to memory of 2404 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 91 PID 2404 wrote to memory of 1516 2404 cmd.exe 93 PID 2404 wrote to memory of 1516 2404 cmd.exe 93 PID 2744 wrote to memory of 3704 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 94 PID 2744 wrote to memory of 3704 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 94 PID 2744 wrote to memory of 3704 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 94 PID 2744 wrote to memory of 904 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 96 PID 2744 wrote to memory of 904 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 96 PID 2744 wrote to memory of 904 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 96 PID 2744 wrote to memory of 2284 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 98 PID 2744 wrote to memory of 2284 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 98 PID 2744 wrote to memory of 2284 2744 843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe 98 PID 2284 wrote to memory of 1468 2284 csrss.exe 101 PID 2284 wrote to memory of 1468 2284 csrss.exe 101 PID 2284 wrote to memory of 1468 2284 csrss.exe 101 PID 2284 wrote to memory of 656 2284 csrss.exe 107 PID 2284 wrote to memory of 656 2284 csrss.exe 107 PID 2284 wrote to memory of 656 2284 csrss.exe 107 PID 2284 wrote to memory of 1488 2284 csrss.exe 109 PID 2284 wrote to memory of 1488 2284 csrss.exe 109 PID 2284 wrote to memory of 1488 2284 csrss.exe 109 PID 2284 wrote to memory of 3516 2284 csrss.exe 111 PID 2284 wrote to memory of 3516 2284 csrss.exe 111 PID 4416 wrote to memory of 4880 4416 windefender.exe 117 PID 4416 wrote to memory of 4880 4416 windefender.exe 117 PID 4416 wrote to memory of 4880 4416 windefender.exe 117 PID 4880 wrote to memory of 4520 4880 cmd.exe 118 PID 4880 wrote to memory of 4520 4880 cmd.exe 118 PID 4880 wrote to memory of 4520 4880 cmd.exe 118 -
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\843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe"C:\Users\Admin\AppData\Local\Temp\843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Users\Admin\AppData\Local\Temp\843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.exe"C:\Users\Admin\AppData\Local\Temp\843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8.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:2744 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184
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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:2404 -
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:1516
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3704
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:904
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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:2284 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1468
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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:2208
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488
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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:3516
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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:3568
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4416 -
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:4880 -
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:4520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 8523⤵
- Program crash
PID:1168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 7162⤵
- Program crash
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5020 -ip 50201⤵PID:4856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2744 -ip 27441⤵PID:5048
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4468
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fca5235a765d8b6872f8221b91925014
SHA1ac02a08b2b5e8735a3e86e4dbe34d2d2d69de50b
SHA256576deb22eff18b792de56f536c0241556a412528ca11521d62fa2e405b8c4fb1
SHA5129900c04a435e25c395d6dbd34befaa321742c24c8d2456456d27e875bfdd16eb48a55863a335a1384100ef6d3c4b144bfc7e215c8310acd5a062c2dc9fc493b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dda6d09baaa169353552f969b0a6a723
SHA1f6113c95b9dad2eddebade2721484645df4b7287
SHA256a0f0d6e5d913f7890b4ae58878ed0f1bdc348e981fe5a391dbd87911d51ac818
SHA512cfe901d7042041142e3b9b63d211208e58bec60249e93d1412738e97c32fabd866de978dcec0fa6ce14ddd14656040f5301776490b35904a3aedf5835504025f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d434d1086537f1c7c1692b7c3c3edd79
SHA1741b403855dcaa4019a022762f28e6a0cf1bdb05
SHA2567043d23ca1974b5b6a3ea670aad3109057e765b18646871515b59de34e0348cb
SHA512de0ab9b50552fb8d399700f080e80f289c154da7e086c7f07eaeae089f5c59567d02b8fc6af31f23110427b44217a443ca89581d60540691ce5973f9f257b654
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520586a2a295bec6370bfcc788bb1740f
SHA1852cbd82648180c0a48329962501c25caebdf24b
SHA2563804d72415f9f3a9027941b63260280fdacf89ffcf210b34105e34ad4d5cb56e
SHA512073e9774af2291fb7390dd7dc8aee62d463e7fb8b3b82a467e0974067b16d3111c26919cff3d8c1a36fa7bd37b97593b0297297790d4f67b304d5bb788c18def
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55fedb927ed6e172cc090b9db2bacf856
SHA14154b04315e74348bee4769cccb8a5c3d2402753
SHA256e63bc468e197e99b6cf16cd751667d1c39d664e19345e662cc8d40862e4b053c
SHA512057ef17105699cb19c05d26fdf139fbdc6b037674cec24b4dfef12afcb4c35f5bdd9f5ca140fcac3f0626777d1020998e293c62f502b30ae55909be068ffead2
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Filesize
4.2MB
MD51c55bf2921a2794845b046dd317ab941
SHA1558f6c725d67c19fd115e181d558a61deb5e62c3
SHA256843b947c53c5c2af2469d0ca781468870c0064b2225b4fdecc11e6cc24951ec8
SHA512aa72e9ae7b77994b42f7d82eee00ca1bbfb8522597bd226c4cee3438d904fb673b6e89348e366e5a86aa452dad38d1f5b64a14bbda01f5fdb1c7459d0825746b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec