Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:36
Static task
static1
Behavioral task
behavioral1
Sample
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe
Resource
win10v2004-20240426-en
General
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Target
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe
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Size
4.1MB
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MD5
6e970a7404786e5a9f6a27982a558982
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SHA1
8684c48f889339ec994a8d3d255b22c17f0c5a32
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SHA256
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc
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SHA512
3ab47ba9b56cbc53f1ace02cb409d857db2477b96fce71a75cb2a462bf8d0b5d6589d67d039ad44de3f810180e2e7655b20801ab47bd8ad6975768c046fdddfb
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SSDEEP
98304:M4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNy:M4G/GRAB9MdaGBolx/Wzu4
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1608-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/1608-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1608-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1608-57-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/1608-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-82-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4100-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3696-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3420 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3696 csrss.exe 4432 injector.exe 1540 windefender.exe 2904 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023432-223.dat upx behavioral1/memory/1540-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1540-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe File created C:\Windows\rss\csrss.exe eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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 1268 sc.exe -
pid Process 3292 powershell.exe 2824 powershell.exe 3880 powershell.exe 3420 powershell.exe 3708 powershell.exe 3708 powershell.exe 3732 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 2648 schtasks.exe 2064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight 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\@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,-448 = "Azerbaijan Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-662 = "Cen. Australia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3708 powershell.exe 3708 powershell.exe 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3732 powershell.exe 3732 powershell.exe 3732 powershell.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3292 powershell.exe 3292 powershell.exe 2824 powershell.exe 2824 powershell.exe 3880 powershell.exe 3880 powershell.exe 3420 powershell.exe 3420 powershell.exe 3420 powershell.exe 3708 powershell.exe 3708 powershell.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 3696 csrss.exe 3696 csrss.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 3696 csrss.exe 3696 csrss.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 3696 csrss.exe 3696 csrss.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Token: SeImpersonatePrivilege 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 2824 powershell.exe Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeSystemEnvironmentPrivilege 3696 csrss.exe Token: SeSecurityPrivilege 1268 sc.exe Token: SeSecurityPrivilege 1268 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1608 wrote to memory of 3708 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 1608 wrote to memory of 3708 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 1608 wrote to memory of 3708 1608 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 4100 wrote to memory of 3732 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 102 PID 4100 wrote to memory of 3732 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 102 PID 4100 wrote to memory of 3732 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 102 PID 4100 wrote to memory of 760 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 104 PID 4100 wrote to memory of 760 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 104 PID 760 wrote to memory of 3420 760 cmd.exe 106 PID 760 wrote to memory of 3420 760 cmd.exe 106 PID 4100 wrote to memory of 3292 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 107 PID 4100 wrote to memory of 3292 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 107 PID 4100 wrote to memory of 3292 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 107 PID 4100 wrote to memory of 2824 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 109 PID 4100 wrote to memory of 2824 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 109 PID 4100 wrote to memory of 2824 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 109 PID 4100 wrote to memory of 3696 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 111 PID 4100 wrote to memory of 3696 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 111 PID 4100 wrote to memory of 3696 4100 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 111 PID 3696 wrote to memory of 3880 3696 csrss.exe 114 PID 3696 wrote to memory of 3880 3696 csrss.exe 114 PID 3696 wrote to memory of 3880 3696 csrss.exe 114 PID 3696 wrote to memory of 3420 3696 csrss.exe 120 PID 3696 wrote to memory of 3420 3696 csrss.exe 120 PID 3696 wrote to memory of 3420 3696 csrss.exe 120 PID 3696 wrote to memory of 3708 3696 csrss.exe 122 PID 3696 wrote to memory of 3708 3696 csrss.exe 122 PID 3696 wrote to memory of 3708 3696 csrss.exe 122 PID 3696 wrote to memory of 4432 3696 csrss.exe 124 PID 3696 wrote to memory of 4432 3696 csrss.exe 124 PID 1540 wrote to memory of 4852 1540 windefender.exe 130 PID 1540 wrote to memory of 4852 1540 windefender.exe 130 PID 1540 wrote to memory of 4852 1540 windefender.exe 130 PID 4852 wrote to memory of 1268 4852 cmd.exe 131 PID 4852 wrote to memory of 1268 4852 cmd.exe 131 PID 4852 wrote to memory of 1268 4852 cmd.exe 131 -
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\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3708
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C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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:4100 -
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:3732
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:3420
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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:3292
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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:2824
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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:3696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880
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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:2648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2324
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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:3420
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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:3708
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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:4432
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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:2064
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1540 -
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:4852 -
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:1268
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2904
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503559687bd06aaae189988427778524e
SHA1dfc39de4368ef323a64241a17adb47e973f9497f
SHA256a6cdaecdb33aeb89e5e8045f078c54b2168fd92f418d9f09f3ba5d8328a6b067
SHA512b8f210c4ee860b6aaa2a010fcabdd35aa0b24739cc51833c7aad2a27e95272de569a5d87671ba36889e3adf03adfe3ee0af26bd30631929118a0f3310e41afeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f02bbdbe43cc48f17a0b03768076991
SHA1528b638d5075d1ecf839156bded318d67a502b0a
SHA256d1821caf9452bf8a0fdcbc9e31e507f84c1efceb3c400e3ef89732e679a6ee41
SHA51253957c18555f7d7901eaf8febe7982b4e04983b1c5008c4797eac1df097db3334fc1b00c709c24eb89fe5c18487d8d3c8f6a8a0860c83fffb4541fdeeae75c51
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523f462228e7ced5253f8927bea27af69
SHA10268c3d2034baada23a1d37100c9efc72f7ac0e2
SHA2563aa49b290a8de56c7de1faff7ba2ad224c71a56d84d741f9a60237023601eb63
SHA512ff55971df818e9f52c065be9e27f23f2c05088def429bc1aa915342035bd2bfc3a4c7f7c016737b38cb2ac2b7cbaad24704b16647db8661af9eae94f48752d73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5620dad8f5e425052346ad375ffec4962
SHA152e35261f42c054da1acc591f29c45cfa9506255
SHA256c17e3b33665d39a97fb4d38e43753e1c7910c5c7ad05956f1644fbf9ad816e87
SHA5125afbd07de882dc9d726ec7bb509f71fdc035214e0d3a38222f8bcbe04285b9d26bdae43482951c22f219961451cd891d9a6a12421e4f58bb513132a850ee12b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dbdf56f56b5b8c8c786cd5a98ac799a8
SHA10172365ea20201c6f27d914780d8a1e4309641bf
SHA2569ff25fdab7fdedcafcf8d7f491b7a8faee376a6e9538c8e50b91419d75d19292
SHA5122ab190a13dd79865e4b83b8b6500ee90928898436adea22fcc68929eaf71bd16dbec4ae4e0234e426e83d8acf7e9b4e06e1afe84b527e3eeba133aa74c81501e
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Filesize
4.1MB
MD56e970a7404786e5a9f6a27982a558982
SHA18684c48f889339ec994a8d3d255b22c17f0c5a32
SHA256eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc
SHA5123ab47ba9b56cbc53f1ace02cb409d857db2477b96fce71a75cb2a462bf8d0b5d6589d67d039ad44de3f810180e2e7655b20801ab47bd8ad6975768c046fdddfb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec