Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe
Resource
win10v2004-20240508-en
General
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Target
62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe
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Size
4.1MB
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MD5
e5f21dfe7c1d6eab0c93bac080c6674b
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SHA1
88671714866ac7cff019780883be458f4e1a3e27
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SHA256
62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352
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SHA512
c935a1382cb3ad7e3df13e6e5f35d8593cc5ddbf33b160a4f16bc9d8b56d54237531124155d72a4110c60a350620ec23217dd653633a58a75155a4448a047e2c
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SSDEEP
98304:03tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59XH:0dQIuMQA9oQJ/gXDs
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4820-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/4820-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4820-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4820-51-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/1544-54-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/1544-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2344 csrss.exe 448 injector.exe 4680 windefender.exe 4772 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023552-219.dat upx behavioral1/memory/4680-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4680-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4772-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4772-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe File created C:\Windows\rss\csrss.exe 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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 116 sc.exe -
pid Process 4472 powershell.exe 3104 powershell.exe 1620 powershell.exe 4476 powershell.exe 3368 powershell.exe 1068 powershell.exe 2564 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 4372 schtasks.exe 3124 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov 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" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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,-452 = "Caucasus Standard Time" windefender.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2564 powershell.exe 2564 powershell.exe 2564 powershell.exe 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 4472 powershell.exe 4472 powershell.exe 4472 powershell.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 3104 powershell.exe 3104 powershell.exe 3104 powershell.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 4476 powershell.exe 4476 powershell.exe 4476 powershell.exe 3368 powershell.exe 3368 powershell.exe 3368 powershell.exe 1068 powershell.exe 1068 powershell.exe 1068 powershell.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 2344 csrss.exe 2344 csrss.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 2344 csrss.exe 2344 csrss.exe 448 injector.exe 448 injector.exe 2344 csrss.exe 2344 csrss.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe 448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Token: SeImpersonatePrivilege 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeSystemEnvironmentPrivilege 2344 csrss.exe Token: SeSecurityPrivilege 116 sc.exe Token: SeSecurityPrivilege 116 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4820 wrote to memory of 2564 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 94 PID 4820 wrote to memory of 2564 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 94 PID 4820 wrote to memory of 2564 4820 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 94 PID 1544 wrote to memory of 4472 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 105 PID 1544 wrote to memory of 4472 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 105 PID 1544 wrote to memory of 4472 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 105 PID 1544 wrote to memory of 5108 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 108 PID 1544 wrote to memory of 5108 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 108 PID 5108 wrote to memory of 4436 5108 cmd.exe 110 PID 5108 wrote to memory of 4436 5108 cmd.exe 110 PID 1544 wrote to memory of 3104 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 112 PID 1544 wrote to memory of 3104 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 112 PID 1544 wrote to memory of 3104 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 112 PID 1544 wrote to memory of 1620 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 114 PID 1544 wrote to memory of 1620 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 114 PID 1544 wrote to memory of 1620 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 114 PID 1544 wrote to memory of 2344 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 116 PID 1544 wrote to memory of 2344 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 116 PID 1544 wrote to memory of 2344 1544 62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe 116 PID 2344 wrote to memory of 4476 2344 csrss.exe 117 PID 2344 wrote to memory of 4476 2344 csrss.exe 117 PID 2344 wrote to memory of 4476 2344 csrss.exe 117 PID 2344 wrote to memory of 3368 2344 csrss.exe 122 PID 2344 wrote to memory of 3368 2344 csrss.exe 122 PID 2344 wrote to memory of 3368 2344 csrss.exe 122 PID 2344 wrote to memory of 1068 2344 csrss.exe 125 PID 2344 wrote to memory of 1068 2344 csrss.exe 125 PID 2344 wrote to memory of 1068 2344 csrss.exe 125 PID 2344 wrote to memory of 448 2344 csrss.exe 127 PID 2344 wrote to memory of 448 2344 csrss.exe 127 PID 4680 wrote to memory of 1412 4680 windefender.exe 134 PID 4680 wrote to memory of 1412 4680 windefender.exe 134 PID 4680 wrote to memory of 1412 4680 windefender.exe 134 PID 1412 wrote to memory of 116 1412 cmd.exe 135 PID 1412 wrote to memory of 116 1412 cmd.exe 135 PID 1412 wrote to memory of 116 1412 cmd.exe 135 -
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\62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe"C:\Users\Admin\AppData\Local\Temp\62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2564
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C:\Users\Admin\AppData\Local\Temp\62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.exe"C:\Users\Admin\AppData\Local\Temp\62d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352.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:1544 -
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:4472
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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:5108 -
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:4436
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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:3104
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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:1620
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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:2344 -
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:4476
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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:4372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1292
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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:3368
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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:1068
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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:448
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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:3124
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4680 -
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:1412 -
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:116
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1280,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:81⤵PID:464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4772
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
MD5113e8f597c44eb1d8a0a32ea7725217c
SHA11b68434af8d5fd4f7358b647e906894834d9f937
SHA256137b42a208c73358d60b7eb2a478d53f53ed661ea995198df7c99db0bd965d96
SHA5129946e802c9b1465ec5a9969126770af61680036875d057cf4e2430420ffc3323a1866bed389bf6ba1b78f97677c38b27a091006a9dd0166d89c3958af8cfe249
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5575ae029c98cc2186095a4bf58104376
SHA1b3baa12f67b0d0f0039c3fb00a2848437de80855
SHA2562194182c314423a72a2008d08ca2a8214e086c1ff4735476074e27c1e308a1f3
SHA512ab2f8ce4f31e55a10009f86753fd3364de8b8cbaff6d13aefa6ef55e6fa06ae411f62b9e29e0d0c54d87db99db0cbe313d181232c8847c5a03f76c60d160b85b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554cd19fc52be94dcddba92adc000a173
SHA1d292dcbb513617a9e892906ed0a88d5548b711d4
SHA2562c65e5a0676d47500b458e2440a2c890c61650ce5d024a1fe04cc3c88be2dfd2
SHA51284bb76aaa8ab9bd19a351e1152edb9228265c0eaa4e676be4738efc43ba0f47f7ff0f222753e0b1749787b03fe0330c46c672f440e34beaca6ece62db6293ddb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534887d6335b6c0f84d126184b60e15fc
SHA1b4e3678f1177b37192a6bbcad75d4dc49cac5f32
SHA256bd4397dc37fb132093f3600d1e64097688ba485c7015cafe04b843a3ecc1bb3b
SHA51276dfc3036a173858c4d5ea66a754bc3c337a2e06fd2807dc4be38e1d3b3cdf5ca5ea4419aa6e376191edb83a08f7ed42d2d7c51a479d820b69559ef508e1c272
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576e3a4917c0fb2cdf9393f7808d54c69
SHA1277b7249605b01661035058977c0999573aca278
SHA25608972feb1153c383df63c656245203b5045c057431c75e8471765e7dcb2d7ec5
SHA512c8590abba60150d64ae99570b156f8cfcbd376e2df5b59b3cbf7d284bfaf212ab2f80e6b760b25d09eefae5896bedab72a2538bd5c686247191fa3d418fdb65b
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Filesize
4.1MB
MD5e5f21dfe7c1d6eab0c93bac080c6674b
SHA188671714866ac7cff019780883be458f4e1a3e27
SHA25662d47d3de8bda4690f7b0fc6d22bca6f96337b50148dcc7d17a762556bb51352
SHA512c935a1382cb3ad7e3df13e6e5f35d8593cc5ddbf33b160a4f16bc9d8b56d54237531124155d72a4110c60a350620ec23217dd653633a58a75155a4448a047e2c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec