Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe
Resource
win10v2004-20240508-en
General
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Target
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe
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Size
4.1MB
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MD5
8a50c0b55233becdd71a2f73f8a786c4
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SHA1
0c53f2ecfe28f0936a5b0329dbff9343b0915702
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SHA256
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e
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SHA512
26569d0be1280975862c56499e52fda4eaca3cd6d908fb442c4c150846c928d8f53df7ed475d6e2ba07c5edc02c4129c45e545e53d3286781da0874b800b1474
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SSDEEP
98304:U4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNu:U4G/GRAB9MdaGBolx/Wzuw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2948-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/2948-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2948-26-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2948-58-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/2948-57-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2948-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-81-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3700-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-161-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3180-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3516 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3180 csrss.exe 4288 injector.exe 1192 windefender.exe 1160 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344a-222.dat upx behavioral1/memory/1192-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe File created C:\Windows\rss\csrss.exe d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.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 400 sc.exe -
pid Process 2300 powershell.exe 2088 powershell.exe 2016 powershell.exe 3332 powershell.exe 8 powershell.exe 3156 powershell.exe 4276 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 1544 schtasks.exe 1688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.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\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 2016 powershell.exe 2016 powershell.exe 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3332 powershell.exe 3332 powershell.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 8 powershell.exe 8 powershell.exe 3156 powershell.exe 3156 powershell.exe 4276 powershell.exe 4276 powershell.exe 2300 powershell.exe 2300 powershell.exe 2088 powershell.exe 2088 powershell.exe 3180 csrss.exe 3180 csrss.exe 3180 csrss.exe 3180 csrss.exe 3180 csrss.exe 3180 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2016 powershell.exe Token: SeDebugPrivilege 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Token: SeImpersonatePrivilege 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeSystemEnvironmentPrivilege 3180 csrss.exe Token: SeSecurityPrivilege 400 sc.exe Token: SeSecurityPrivilege 400 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2948 wrote to memory of 2016 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 2948 wrote to memory of 2016 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 2948 wrote to memory of 2016 2948 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 3700 wrote to memory of 3332 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 3700 wrote to memory of 3332 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 3700 wrote to memory of 3332 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 3700 wrote to memory of 4500 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 95 PID 3700 wrote to memory of 4500 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 95 PID 4500 wrote to memory of 3516 4500 cmd.exe 97 PID 4500 wrote to memory of 3516 4500 cmd.exe 97 PID 3700 wrote to memory of 8 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 98 PID 3700 wrote to memory of 8 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 98 PID 3700 wrote to memory of 8 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 98 PID 3700 wrote to memory of 3156 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 101 PID 3700 wrote to memory of 3156 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 101 PID 3700 wrote to memory of 3156 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 101 PID 3700 wrote to memory of 3180 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 103 PID 3700 wrote to memory of 3180 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 103 PID 3700 wrote to memory of 3180 3700 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 103 PID 3180 wrote to memory of 4276 3180 csrss.exe 105 PID 3180 wrote to memory of 4276 3180 csrss.exe 105 PID 3180 wrote to memory of 4276 3180 csrss.exe 105 PID 3180 wrote to memory of 2300 3180 csrss.exe 110 PID 3180 wrote to memory of 2300 3180 csrss.exe 110 PID 3180 wrote to memory of 2300 3180 csrss.exe 110 PID 3180 wrote to memory of 2088 3180 csrss.exe 113 PID 3180 wrote to memory of 2088 3180 csrss.exe 113 PID 3180 wrote to memory of 2088 3180 csrss.exe 113 PID 3180 wrote to memory of 4288 3180 csrss.exe 115 PID 3180 wrote to memory of 4288 3180 csrss.exe 115 PID 1192 wrote to memory of 2032 1192 windefender.exe 121 PID 1192 wrote to memory of 2032 1192 windefender.exe 121 PID 1192 wrote to memory of 2032 1192 windefender.exe 121 PID 2032 wrote to memory of 400 2032 cmd.exe 122 PID 2032 wrote to memory of 400 2032 cmd.exe 122 PID 2032 wrote to memory of 400 2032 cmd.exe 122 -
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\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.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:3700 -
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:3332
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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:4500 -
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:3516
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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:8
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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:3156
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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:3180 -
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:4276
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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:1688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2852
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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:2300
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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:2088
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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
PID:4288
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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:1544
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1192 -
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:2032 -
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:400
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1160
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dd777ffda106fc373816ff8f0ef4142
SHA195802e2865ca37c58b2624938097edff270e794e
SHA256e4de6889f7ab97d8964eaea1d0aa58d86c31017d823e5bdd20b3f744c1d8a9bd
SHA512fa526b93f35e4d5cddc133412d73a76c8de7a6a1532effdc9049483f2ab1baee22e4ecd9c96b4df1eb22c1aeec8e3bdbce04dd6b5a03f89d46007bd6a1e4d0a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c15938648f1d2c968d98ef1093dde56
SHA17bae1b073f94d9665aade1f2959b65dfc7792c29
SHA2566268b0ed4971ae4978fd13fd6cbaf6de499d2d2f9e3c8355b36a75172a60752c
SHA512089c9e6996e36332c441cd3a2c0c33d22219b8fe7ed883cf08a1fe95b615945f2549309276d3ee06f9d90b485ef65608c076b94db7d48b322a13a49222f9b731
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f49f9128abc38967c87b5bc785b345bb
SHA184fb20ce4b3275a942d8ecb1176e191200d5f2b7
SHA25645a520eef758ac46ffe29826cc02e5d662dc91853a3587520277d0c9ec9c004b
SHA51233dd029990b4f8872e079313472364b5221f1f0c4b83c59c35a29dcbbc661e357d7104593b7f68821461678e587300b3e08022b9aef6143e9b3eb7d67fe52422
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55671206aedb1370a79a178885b6ace50
SHA177aa4c728d9f6d59559a39f4ca78c4214d800799
SHA256810c84f18aa693cd8e281f2ff760df14d920df956496a3c06c50018eb78c5f1b
SHA512f5dd356dd2fe7ab98c043a2ce0a3d4e38090b8b1c849a55c922c4a3a966e4049b240974aab3590deab6d1c0f956f8be6d27edf33337c7445eaaceb36de8f05b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ceb9304a165684c1475287cbbbe75e3e
SHA1b5543965c2156c97235230955007d86f7c545676
SHA25628e1e0d4f01ff4b207b85db2bfa4e6f841e7d3c4fa255e764d637a631675f686
SHA512b45dce768bbc56a8cb9126dd002d409797124544a2fe4a699c187a8586e1ecc6023eabf6e385e99d7c056c845c4421576fe4f4da91ecd7282bc9808eda3ab1c9
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Filesize
4.1MB
MD58a50c0b55233becdd71a2f73f8a786c4
SHA10c53f2ecfe28f0936a5b0329dbff9343b0915702
SHA256d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e
SHA51226569d0be1280975862c56499e52fda4eaca3cd6d908fb442c4c150846c928d8f53df7ed475d6e2ba07c5edc02c4129c45e545e53d3286781da0874b800b1474
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec