Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 08:09
Static task
static1
Behavioral task
behavioral1
Sample
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe
Resource
win7-20240220-en
General
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Target
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe
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Size
4.1MB
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MD5
3cca103599a61320242bd588c84691d5
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SHA1
6bfb658acc0d06ebce045eda809d416da4a02ef1
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SHA256
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525
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SHA512
2b81632acee1305d929f53b4de1cbe00d4c4f4e623399bd2ee46e077e220eb10988ce67cb65b4bcc1a6d4f721f2419517777413bf4c8fff73a9003139bc7e2d8
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvY:6RrVrv4XbNRWhj2o9k8f3CspGvY
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4092-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral2/memory/4092-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4092-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4092-57-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral2/memory/4092-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2308-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4576 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3088 csrss.exe 1484 injector.exe 1436 windefender.exe 1960 windefender.exe -
resource yara_rule behavioral2/files/0x0009000000023423-222.dat upx behavioral2/memory/1436-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1960-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1436-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1960-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1960-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1960-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 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 -
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 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe File created C:\Windows\rss\csrss.exe b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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 1920 sc.exe -
pid Process 2984 powershell.exe 2116 powershell.exe 4616 powershell.exe 3644 powershell.exe 1716 powershell.exe 1512 powershell.exe 3972 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 3192 schtasks.exe 4216 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1512 powershell.exe 1512 powershell.exe 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 3972 powershell.exe 3972 powershell.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2984 powershell.exe 2984 powershell.exe 2116 powershell.exe 2116 powershell.exe 4616 powershell.exe 4616 powershell.exe 3644 powershell.exe 3644 powershell.exe 1716 powershell.exe 1716 powershell.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 3088 csrss.exe 3088 csrss.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 3088 csrss.exe 3088 csrss.exe 1484 injector.exe 1484 injector.exe 3088 csrss.exe 3088 csrss.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Token: SeImpersonatePrivilege 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeSystemEnvironmentPrivilege 3088 csrss.exe Token: SeSecurityPrivilege 1920 sc.exe Token: SeSecurityPrivilege 1920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4092 wrote to memory of 1512 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 84 PID 4092 wrote to memory of 1512 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 84 PID 4092 wrote to memory of 1512 4092 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 84 PID 2308 wrote to memory of 3972 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 97 PID 2308 wrote to memory of 3972 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 97 PID 2308 wrote to memory of 3972 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 97 PID 2308 wrote to memory of 804 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 100 PID 2308 wrote to memory of 804 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 100 PID 804 wrote to memory of 4576 804 cmd.exe 102 PID 804 wrote to memory of 4576 804 cmd.exe 102 PID 2308 wrote to memory of 2984 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 104 PID 2308 wrote to memory of 2984 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 104 PID 2308 wrote to memory of 2984 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 104 PID 2308 wrote to memory of 2116 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 106 PID 2308 wrote to memory of 2116 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 106 PID 2308 wrote to memory of 2116 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 106 PID 2308 wrote to memory of 3088 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 108 PID 2308 wrote to memory of 3088 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 108 PID 2308 wrote to memory of 3088 2308 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 108 PID 3088 wrote to memory of 4616 3088 csrss.exe 109 PID 3088 wrote to memory of 4616 3088 csrss.exe 109 PID 3088 wrote to memory of 4616 3088 csrss.exe 109 PID 3088 wrote to memory of 3644 3088 csrss.exe 114 PID 3088 wrote to memory of 3644 3088 csrss.exe 114 PID 3088 wrote to memory of 3644 3088 csrss.exe 114 PID 3088 wrote to memory of 1716 3088 csrss.exe 117 PID 3088 wrote to memory of 1716 3088 csrss.exe 117 PID 3088 wrote to memory of 1716 3088 csrss.exe 117 PID 3088 wrote to memory of 1484 3088 csrss.exe 119 PID 3088 wrote to memory of 1484 3088 csrss.exe 119 PID 1436 wrote to memory of 2404 1436 windefender.exe 126 PID 1436 wrote to memory of 2404 1436 windefender.exe 126 PID 1436 wrote to memory of 2404 1436 windefender.exe 126 PID 2404 wrote to memory of 1920 2404 cmd.exe 127 PID 2404 wrote to memory of 1920 2404 cmd.exe 127 PID 2404 wrote to memory of 1920 2404 cmd.exe 127 -
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\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1512
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C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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:2308 -
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:3972
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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:804 -
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:4576
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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:2984
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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:2116
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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:3088 -
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:4616
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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:3192
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1876
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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:3644
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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:1716
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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:1484
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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:4216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1436 -
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:2404 -
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:1920
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1960
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ffb5bec4524d9ac121d2eec948d368d
SHA1ce40d3ccf3d27233122e76e7ae9590ccf7a7d1a1
SHA2569722a4fdd09b0aaa5566365066506adc5b2959ece25cffa4a9f4d9fb60750fe5
SHA512c571aced54f0398ece65dc8b003958b07cd7fc52c5ba972e9800bfab36554690321a5d64dc192a44c06b27a889f7bdee72a92628fd60542abce6d940b1cd79b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c769c5236b0d31bc5580b5b32d58fda7
SHA1d1725f79ce58423e0c578f7fc361b63be7e05b6d
SHA25625815886a52050c46b117ba060f12e88680fce21cb097ffd05c3dc6fcf7e3b4f
SHA512eb15e2cb213c9a9768f97c8171257cfacc4cac590a535330fc07f7c43a7fa3cc7ddc2230a728c1e73091b6ede40d7a970a8a866602fd6e3b4db03a25744d05fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5823ca86ac72540472e56cc2c2d3d4b5a
SHA1ce5e75a1e7bd043f8d9d1143c0447abb9848beea
SHA256fc4bf0bba5c4490e15a61ded99c44888d988c30c6a42b568fd98ebe8de76ab65
SHA51290861bbf8471c8d390a26d836c68cb389660eb36766581cccc46a3f01bac24ada21a7870cd9b081b11dfbeb41f4795097be8b724f2be4eb0ae662e1ab1d85f93
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db87d67e69b72ec2f8fec51f119eada3
SHA15c50be8992a2fb6caaf25b7bfaab7d4d0e5b919b
SHA256ad8719bdcf00618ed23fe05b79d4438fdda3646cfa84b367a51bbffd10ce6088
SHA512416139e6a36e92b7575b2832522ddedd031ac3a08f76d331879a99edb0505afa390dcbce198a66bdc9622734cdafae11ef5ea777e222083ecdb123091ce51724
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b061ce9a7a4506dc2f96989b56e40f7
SHA1fcc689a06775a441155107bc542fbce549b6df73
SHA2569a3b6564e6c4fce458f509b9d52cadd4405c219586e2c1fa0c79561aa412051b
SHA512051ac019128ed23053f93ff1795aed13f8428e07661cfa35f7dcbc9e9c374017152c4766cddc6c6ffec37ddad63a2c31900a36159b60dfdeb161108e0803b359
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Filesize
4.1MB
MD53cca103599a61320242bd588c84691d5
SHA16bfb658acc0d06ebce045eda809d416da4a02ef1
SHA256b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525
SHA5122b81632acee1305d929f53b4de1cbe00d4c4f4e623399bd2ee46e077e220eb10988ce67cb65b4bcc1a6d4f721f2419517777413bf4c8fff73a9003139bc7e2d8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec