Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 15:20
Static task
static1
Behavioral task
behavioral1
Sample
6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe
Resource
win10v2004-20240508-en
General
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Target
6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe
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Size
4.1MB
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MD5
d1afe5df6cb9c887d327ac4bfcded8a6
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SHA1
4c5d7a9f35d587dabd386feff302f47b3bdd6865
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SHA256
6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5
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SHA512
5be9950cb111f58ee2281ce0bb80ae906cc07a051f19fad765ab15184d9e928403c83768df2481833b144b890033a6d63a52625105de185da7ee10719ed734c6
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SSDEEP
98304:D3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiT4:D3/aer8lIiPc9ySnggpxAJiIuBVpFiiE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4628-2-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral2/memory/4628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4628-54-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral2/memory/4628-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4628-51-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/5096-187-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-204-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3304-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3304 csrss.exe 2352 injector.exe 1724 windefender.exe 3348 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa30-208.dat upx behavioral2/memory/1724-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3348-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1724-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3348-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3348-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 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 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 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe File created C:\Windows\rss\csrss.exe 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2548 sc.exe -
pid Process 4656 powershell.exe 1588 powershell.exe 4324 powershell.exe 3872 powershell.exe 3116 powershell.exe 3940 powershell.exe 1072 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 1996 schtasks.exe 3028 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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.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" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 3872 powershell.exe 3872 powershell.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 3116 powershell.exe 3116 powershell.exe 3940 powershell.exe 3940 powershell.exe 1072 powershell.exe 1072 powershell.exe 4656 powershell.exe 4656 powershell.exe 1588 powershell.exe 1588 powershell.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 3304 csrss.exe 3304 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 3304 csrss.exe 3304 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 3304 csrss.exe 3304 csrss.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe 2352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Token: SeImpersonatePrivilege 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeSystemEnvironmentPrivilege 3304 csrss.exe Token: SeSecurityPrivilege 2548 sc.exe Token: SeSecurityPrivilege 2548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4628 wrote to memory of 4324 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 78 PID 4628 wrote to memory of 4324 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 78 PID 4628 wrote to memory of 4324 4628 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 78 PID 5096 wrote to memory of 3872 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 83 PID 5096 wrote to memory of 3872 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 83 PID 5096 wrote to memory of 3872 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 83 PID 5096 wrote to memory of 2548 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 85 PID 5096 wrote to memory of 2548 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 85 PID 2548 wrote to memory of 4476 2548 cmd.exe 87 PID 2548 wrote to memory of 4476 2548 cmd.exe 87 PID 5096 wrote to memory of 3116 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 88 PID 5096 wrote to memory of 3116 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 88 PID 5096 wrote to memory of 3116 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 88 PID 5096 wrote to memory of 3940 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 90 PID 5096 wrote to memory of 3940 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 90 PID 5096 wrote to memory of 3940 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 90 PID 5096 wrote to memory of 3304 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 92 PID 5096 wrote to memory of 3304 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 92 PID 5096 wrote to memory of 3304 5096 6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe 92 PID 3304 wrote to memory of 1072 3304 csrss.exe 93 PID 3304 wrote to memory of 1072 3304 csrss.exe 93 PID 3304 wrote to memory of 1072 3304 csrss.exe 93 PID 3304 wrote to memory of 4656 3304 csrss.exe 99 PID 3304 wrote to memory of 4656 3304 csrss.exe 99 PID 3304 wrote to memory of 4656 3304 csrss.exe 99 PID 3304 wrote to memory of 1588 3304 csrss.exe 101 PID 3304 wrote to memory of 1588 3304 csrss.exe 101 PID 3304 wrote to memory of 1588 3304 csrss.exe 101 PID 3304 wrote to memory of 2352 3304 csrss.exe 103 PID 3304 wrote to memory of 2352 3304 csrss.exe 103 PID 1724 wrote to memory of 3204 1724 windefender.exe 109 PID 1724 wrote to memory of 3204 1724 windefender.exe 109 PID 1724 wrote to memory of 3204 1724 windefender.exe 109 PID 3204 wrote to memory of 2548 3204 cmd.exe 110 PID 3204 wrote to memory of 2548 3204 cmd.exe 110 PID 3204 wrote to memory of 2548 3204 cmd.exe 110 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe"C:\Users\Admin\AppData\Local\Temp\6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.exe"C:\Users\Admin\AppData\Local\Temp\6b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5.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:5096 -
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:3872
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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:2548 -
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:4476
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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:3116
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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:3940
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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:3304 -
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:1072
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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:1996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4224
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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:4656
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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:1588
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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:2352
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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:3028
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1724 -
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:3204 -
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:2548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3348
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
MD546c98fbbd5ecfdb893ac84676ad5f760
SHA16dad210c2cb5e54239ca97454ff3023c6cb10f62
SHA2560194cb8e1bbf57e0187b6308857bd7d0a4d221a579f4fac18253333351907d93
SHA5127310aba50b8bf23774b43e6b87a89ab9d8bfb24cd7d28ec1d3b0144f4e0f492b5a55dde90299c61c84fe7a66c0af3ac1b620c38181ac9030224b176965bb534d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586ce86b7ae8ebc0998592f9a1dbd7a1e
SHA1c20ce6c710818f5cee1d516d81aeab37acb72718
SHA2563a0e63b16b42eedb8c5782d9cdae7d337668f59524db4721b8002211ff4bf82f
SHA512e440c151a10258b59cd048f50b317492929f96409c375721abddbabbc3b0677c82462bb5bbe4d442d85d8466de9b42dd1ec0504c662770f3e796aa46559ad07a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fbe4be98e0f46f57e5e5ac95bde30385
SHA12841abc9742567ee06dd3737a094c2e81da2d77f
SHA256a4c358e6c4a07292132df7489cf000f7d987d6e0d51d608063a86dc407d2974d
SHA5129ac4ec3bb3fbbf7252b64499336ad1dbf7a89700a16d7eae1d604e2554e1364e79e608fd4d6ab2bb0da8508ccb2e4a5a3404f5b0bef2d0c52bd3e2312d667750
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b58717b0ad8f090b1a9e8ad49dac2283
SHA15048d1c23ec9aaf99a68a75ebfae45d02473fe57
SHA256d8c7958a5988454697aa36963276f80b1ebe4964ca6157947ab12018c32ca119
SHA5128285def27a183c620a7fba80736d4948dd413a00b400d83802972c1684c5b180d4afc6becb885401a9e9f058397b7a8a555a540ac3b0b05d8d329261f78c0d7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f3ad8e23741a039f34cff45a3b1a09c
SHA113c326e722a66753549aea8eb9d39de86f138166
SHA256e7ef86e7cce0d81a2217a3e785f7a5daae9361202a6b6b023693db2de9fcfb4b
SHA512cef600be478c129a769c6a1e862cd695e7c1de05313237a303f11ffd7154a457ff3835b4e6ca779295b936351765dfec32685b139823f0fd0467739b729339de
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Filesize
4.1MB
MD5d1afe5df6cb9c887d327ac4bfcded8a6
SHA14c5d7a9f35d587dabd386feff302f47b3bdd6865
SHA2566b216613a2fbe4bc23816d368a942f5fb7239d8a17fd2ca53741277e192fbbf5
SHA5125be9950cb111f58ee2281ce0bb80ae906cc07a051f19fad765ab15184d9e928403c83768df2481833b144b890033a6d63a52625105de185da7ee10719ed734c6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec