Analysis
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max time kernel
149s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 00:00
Static task
static1
Behavioral task
behavioral1
Sample
2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe
Resource
win10v2004-20240508-en
General
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Target
2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe
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Size
4.1MB
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MD5
8c6d19e6a050dfeaeee0bdd6e0938e49
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SHA1
473547dac237eda072df802dd0a42300842c1f27
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SHA256
2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2
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SHA512
cc945d1076af1884e9ee9c23a6f94447bd2e15ff9d5dd8b20b6b38b301c973265bb261e9053d8cfb0262a85239b584e23f9cf6ea20fb030b3d5b6c36fd80ea10
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SSDEEP
98304:pqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUR:pqqJgO7W9SnJ3gf8jHXK2
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1568-2-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/1568-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-78-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/1568-76-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3388-124-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1568-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2328-195-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-203-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2328-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2852 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2328 csrss.exe 2116 injector.exe 2528 windefender.exe 4900 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa04-206.dat upx behavioral2/memory/2528-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4900-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2528-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4900-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4900-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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 -
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 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe File created C:\Windows\rss\csrss.exe 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe File created 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 3596 sc.exe -
pid Process 3872 powershell.exe 1736 powershell.exe 968 powershell.exe 4564 powershell.exe 3720 powershell.exe 3200 powershell.exe 844 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 796 schtasks.exe 3932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.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,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.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,-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,-202 = "US Mountain Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.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,-142 = "Canada Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3872 powershell.exe 3872 powershell.exe 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 1736 powershell.exe 1736 powershell.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 968 powershell.exe 968 powershell.exe 4564 powershell.exe 4564 powershell.exe 3720 powershell.exe 3720 powershell.exe 3200 powershell.exe 3200 powershell.exe 844 powershell.exe 844 powershell.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2328 csrss.exe 2328 csrss.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2328 csrss.exe 2328 csrss.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2328 csrss.exe 2328 csrss.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe 2116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Token: SeImpersonatePrivilege 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 844 powershell.exe Token: SeSystemEnvironmentPrivilege 2328 csrss.exe Token: SeSecurityPrivilege 3596 sc.exe Token: SeSecurityPrivilege 3596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1568 wrote to memory of 3872 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 82 PID 1568 wrote to memory of 3872 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 82 PID 1568 wrote to memory of 3872 1568 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 82 PID 3388 wrote to memory of 1736 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 88 PID 3388 wrote to memory of 1736 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 88 PID 3388 wrote to memory of 1736 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 88 PID 3388 wrote to memory of 1616 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 90 PID 3388 wrote to memory of 1616 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 90 PID 1616 wrote to memory of 2852 1616 cmd.exe 92 PID 1616 wrote to memory of 2852 1616 cmd.exe 92 PID 3388 wrote to memory of 968 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 93 PID 3388 wrote to memory of 968 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 93 PID 3388 wrote to memory of 968 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 93 PID 3388 wrote to memory of 4564 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 95 PID 3388 wrote to memory of 4564 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 95 PID 3388 wrote to memory of 4564 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 95 PID 3388 wrote to memory of 2328 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 97 PID 3388 wrote to memory of 2328 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 97 PID 3388 wrote to memory of 2328 3388 2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe 97 PID 2328 wrote to memory of 3720 2328 csrss.exe 98 PID 2328 wrote to memory of 3720 2328 csrss.exe 98 PID 2328 wrote to memory of 3720 2328 csrss.exe 98 PID 2328 wrote to memory of 3200 2328 csrss.exe 104 PID 2328 wrote to memory of 3200 2328 csrss.exe 104 PID 2328 wrote to memory of 3200 2328 csrss.exe 104 PID 2328 wrote to memory of 844 2328 csrss.exe 106 PID 2328 wrote to memory of 844 2328 csrss.exe 106 PID 2328 wrote to memory of 844 2328 csrss.exe 106 PID 2328 wrote to memory of 2116 2328 csrss.exe 108 PID 2328 wrote to memory of 2116 2328 csrss.exe 108 PID 2528 wrote to memory of 2224 2528 windefender.exe 114 PID 2528 wrote to memory of 2224 2528 windefender.exe 114 PID 2528 wrote to memory of 2224 2528 windefender.exe 114 PID 2224 wrote to memory of 3596 2224 cmd.exe 115 PID 2224 wrote to memory of 3596 2224 cmd.exe 115 PID 2224 wrote to memory of 3596 2224 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\2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe"C:\Users\Admin\AppData\Local\Temp\2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
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C:\Users\Admin\AppData\Local\Temp\2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.exe"C:\Users\Admin\AppData\Local\Temp\2f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2.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:3388 -
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:1736
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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:1616 -
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:2852
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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:968
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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:4564
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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:2328 -
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:3720
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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:796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:656
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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:3200
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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:844
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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:2116
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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:3932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2528 -
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:2224 -
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:3596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4900
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
MD51cbee363e233ac9134ebeae59f973e5b
SHA1cde14f2e66bb4a0124ff9a45e35cfc693f5e08f1
SHA2567f914bb856860969be1b96dc80664cf7293b6288044d3a0692cfc6da39dde554
SHA512b51585803383199c8971129558fe783b791ee239b8f3e6c98e6d7989b6d809ab387e1b2c575ced29e90d4e6ec785f8561a5a3cacdb5b0082a46f289aebe96c79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c54f0a1a16e6c0faa9e8262ed35e7bcd
SHA1b9fe0fde9f752b5da3141c405fc79596bf203b0b
SHA2560a32759788cd80ffaa6ef60a188bfc3cfbefd6df48ab82c7a366f340c377e104
SHA512d6da8a4e9b3701f0d12c96d6ff19841d0414492541a45e83a6d367ca1b444d2afb06cc8fdece36f05e6de541468ffe0af36e080d011902419dbdf6357d44e500
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d5e2b95fe762dab8bd3be42c50dadf8
SHA13f1f47886e0faa4ec08d65e3362e6a003756baad
SHA2566786f92a168c0bd51f91a163d768b4cc1d5cf16af81fe41428dd7892c2a0937b
SHA5121fa25f729fef5776f02b2f7a3f62f30f9e4318b161857b723cd64e5d75ace30ff258e4d11b9944b85a2efa7de48a5a9406c374488ecbb74f2e8f2f6ef8dc3a8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5765a0cd78e7c5fa307e6950aa0a899
SHA1de54d3df5aabfcc128d0d6b68fda91241888b0ff
SHA256b599b6ba6208d6d69a6a1516324c1d3a79d803594b4abac3a3d8c6fae3a0563f
SHA51253bcd73d88abad90240b34fbbbd773d7ad24498a17daf410ceefca29498c0226987d31cbb1c0664064f6410fcd64052676937ae3f990c7bdb64b13937e62ed62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd1b9b9c45efae3dd103a70d388ef4ae
SHA183c3a2d38ffa4466d11bd520ea331e028e010232
SHA256d890339ccfabebea0828633a6fd0c52c081aba7b8b9d5ebfdea0576653797e9e
SHA512c10077ea021e07a7641368f94977cb407543987ff08f379f5153afdab26657637cb4c1b3719abbedf4f98fc731708f100219d50a92666dd8ea58cb330cb04c9d
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Filesize
4.1MB
MD58c6d19e6a050dfeaeee0bdd6e0938e49
SHA1473547dac237eda072df802dd0a42300842c1f27
SHA2562f0e26c25b4a03dd9500a10af89360a2cb906cc0dee94aa082043fdee63718b2
SHA512cc945d1076af1884e9ee9c23a6f94447bd2e15ff9d5dd8b20b6b38b301c973265bb261e9053d8cfb0262a85239b584e23f9cf6ea20fb030b3d5b6c36fd80ea10
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec