Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/04/2024, 05:16
Static task
static1
Behavioral task
behavioral1
Sample
56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe
Resource
win10v2004-20240226-en
General
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Target
56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe
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Size
4.2MB
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MD5
5e194d8e5f5d1e7a27c129e7bcae247e
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SHA1
dadbf816011361c85bded977c83d17106f47a1f9
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SHA256
56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e
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SHA512
5b4c4be70e36e70b1d06ecca446cf72888d2d6b2b907a82361701a500a3bdfde6073c3813cd87206f3599692a43811c306d81ca2285ecf47802699b239d289e1
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SSDEEP
98304:qY0iiOGs4kNz5RsnY94XbhU2588fOMkamQm2P/zAYFx94o:/AOR4kNz52Y2mz+DmQxP/MYFx91
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/1388-2-0x0000000005380000-0x0000000005C6B000-memory.dmp family_glupteba behavioral2/memory/1388-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1388-25-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-55-0x0000000005210000-0x0000000005AFB000-memory.dmp family_glupteba behavioral2/memory/1224-56-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1388-68-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-86-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-118-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-130-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-146-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1224-153-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-181-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-247-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-256-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-258-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-262-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-264-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-268-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-271-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-274-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/1464-276-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2856 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1464 csrss.exe 2528 injector.exe 3240 windefender.exe 4872 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-251.dat upx behavioral2/memory/3240-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4872-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4872-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4872-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4041115548-3858121278-1660933110-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4041115548-3858121278-1660933110-1000\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 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe File created C:\Windows\rss\csrss.exe 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.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 4996 sc.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 1472 schtasks.exe 548 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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.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\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1676 powershell.exe 1676 powershell.exe 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 3924 powershell.exe 3924 powershell.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 3664 powershell.exe 3664 powershell.exe 4128 powershell.exe 4128 powershell.exe 4900 powershell.exe 4900 powershell.exe 2096 powershell.exe 2096 powershell.exe 1912 powershell.exe 1912 powershell.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 1464 csrss.exe 1464 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 1464 csrss.exe 1464 csrss.exe 2528 injector.exe 2528 injector.exe 1464 csrss.exe 1464 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Token: SeImpersonatePrivilege 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe Token: SeDebugPrivilege 3924 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 2096 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeSystemEnvironmentPrivilege 1464 csrss.exe Token: SeSecurityPrivilege 4996 sc.exe Token: SeSecurityPrivilege 4996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1676 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 82 PID 1388 wrote to memory of 1676 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 82 PID 1388 wrote to memory of 1676 1388 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 82 PID 1224 wrote to memory of 3924 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 87 PID 1224 wrote to memory of 3924 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 87 PID 1224 wrote to memory of 3924 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 87 PID 1224 wrote to memory of 760 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 89 PID 1224 wrote to memory of 760 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 89 PID 760 wrote to memory of 2856 760 cmd.exe 91 PID 760 wrote to memory of 2856 760 cmd.exe 91 PID 1224 wrote to memory of 3664 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 92 PID 1224 wrote to memory of 3664 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 92 PID 1224 wrote to memory of 3664 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 92 PID 1224 wrote to memory of 4128 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 95 PID 1224 wrote to memory of 4128 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 95 PID 1224 wrote to memory of 4128 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 95 PID 1224 wrote to memory of 1464 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 97 PID 1224 wrote to memory of 1464 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 97 PID 1224 wrote to memory of 1464 1224 56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe 97 PID 1464 wrote to memory of 4900 1464 csrss.exe 98 PID 1464 wrote to memory of 4900 1464 csrss.exe 98 PID 1464 wrote to memory of 4900 1464 csrss.exe 98 PID 1464 wrote to memory of 2096 1464 csrss.exe 104 PID 1464 wrote to memory of 2096 1464 csrss.exe 104 PID 1464 wrote to memory of 2096 1464 csrss.exe 104 PID 1464 wrote to memory of 1912 1464 csrss.exe 106 PID 1464 wrote to memory of 1912 1464 csrss.exe 106 PID 1464 wrote to memory of 1912 1464 csrss.exe 106 PID 1464 wrote to memory of 2528 1464 csrss.exe 108 PID 1464 wrote to memory of 2528 1464 csrss.exe 108 PID 3240 wrote to memory of 3432 3240 windefender.exe 114 PID 3240 wrote to memory of 3432 3240 windefender.exe 114 PID 3240 wrote to memory of 3432 3240 windefender.exe 114 PID 3432 wrote to memory of 4996 3432 cmd.exe 115 PID 3432 wrote to memory of 4996 3432 cmd.exe 115 PID 3432 wrote to memory of 4996 3432 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe"C:\Users\Admin\AppData\Local\Temp\56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676
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C:\Users\Admin\AppData\Local\Temp\56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.exe"C:\Users\Admin\AppData\Local\Temp\56c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e.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:1224 -
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:3924
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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:760 -
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:2856
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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:3664
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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:4128
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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:1464 -
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:4900
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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:1472
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4580
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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:2096
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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:1912
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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:2528
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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:548
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3240 -
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:3432 -
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:4996
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4872
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
MD52726781b3d51509980fd306fc62d360b
SHA1227ae1aa1e0519be05708dd1dc588adf438cc541
SHA256aa50c4c33d9793e19cdec2223ebfca8bcfec4c61d503b586d06097fbe1d67f83
SHA51206d92673a937a644000fc384b9abe3c39aef8e0e20f69de1ded1b61be636be41e0864684be017952853e3401283a63e73389ff349cf9e3625daefb97c1180b5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58469e1ac520f87c5d46e379522c2ce3e
SHA18f98bf67a051d5b56eb647878be80d030a297ddc
SHA256906c21d258043af9132127dcab49a68ee142f51e97135a10bbb5ea97efba870f
SHA512d45ff5313ac1a18329695dc87d25c8b3ccc7906d681fc6c215769f3af7bbec7012a6038b19228b4797a7cdf094f92f684c59870de59fcdd0d285cee7a93df528
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2dafe54ea05de98cf506414ec06ce85
SHA10ce4cb5b33c42b0310c0682ad0c5a4391790624c
SHA2563aee0776afb2631bc5a68e5feb148c52a950a6042215a36434876bc28c17ba92
SHA512d367bfa29923826f54737f7c9eb0567ff23eccefc2a1dda964b0154aa35a70622930c54002054b6fc6966041005c33472dc64539d376c5dfcd08d67b2752e916
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adf000c80aa83cd22148b9a31f58a93b
SHA1c8943bb61b0c62356827aa7d13bce36e514870a9
SHA2561b1bbe11ae2be9b8208b6d59d08ac3ac3fdf502c25e6e9ae6327f3b80f856eac
SHA5124e0a213f3259c6cfd0a6c3ed04dbf726e6111d0e784d33730798183362c8fd427eaf23e3eddbbd6b67cc9d6b84bb5ee6f7580e47268269f1f070a98954df91fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52952048836e3027f8fb67e376b822d7f
SHA11338e5ea6f0b8bdb9afb83254758bf4327fd1645
SHA256d27b88fb979cc8be8ecdc4ddcefe2cac706508f4704394beec8ac6b0d2e15a7a
SHA512b6f489823c8fa9ec738766944afd6063052431f2f4aebd893c33c30e45668c296b9af83af10798792b1c0ae87693c946c055b1f5a69bfbd77a532e5dfac6b37f
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Filesize
4.2MB
MD55e194d8e5f5d1e7a27c129e7bcae247e
SHA1dadbf816011361c85bded977c83d17106f47a1f9
SHA25656c6835040863948e4f05d5acd0f88df63046d6c61dceb541a3e4e0f9fe8fc2e
SHA5125b4c4be70e36e70b1d06ecca446cf72888d2d6b2b907a82361701a500a3bdfde6073c3813cd87206f3599692a43811c306d81ca2285ecf47802699b239d289e1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec