Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:06
Static task
static1
Behavioral task
behavioral1
Sample
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe
Resource
win10v2004-20240508-en
General
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Target
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe
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Size
4.1MB
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MD5
9f5965ffdf58de4decac2fa51fc456e6
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SHA1
5dc9dc74560856288faa329017588aef1d637544
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SHA256
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775
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SHA512
592b416bc3b7ed18beb6449d53e8a78ee831cb2a0b7070f96eb9f95b5b391f4431fab6733fde1c08c1c2362f86e0c9195ef4b45d4fb0a0cd76d91d5c10168d0f
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SSDEEP
98304:eQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nx:eQAQcDPYxuCJe7X5ghfx
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4900-2-0x00000000047F0000-0x00000000050DB000-memory.dmp family_glupteba behavioral1/memory/4900-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4900-57-0x00000000047F0000-0x00000000050DB000-memory.dmp family_glupteba behavioral1/memory/4900-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4900-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2512-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3068-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1296 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3068 csrss.exe 5076 injector.exe 1900 windefender.exe 2564 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023428-222.dat upx behavioral1/memory/1900-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1900-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.execsrss.exedescription 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\"" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exedescription ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe File created C:\Windows\rss\csrss.exe d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3476 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1700 powershell.exe 5036 powershell.exe 744 powershell.exe 632 powershell.exe 2720 powershell.exe 1356 powershell.exe 1792 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3672 schtasks.exe 540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exepowershell.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5036 powershell.exe 5036 powershell.exe 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 744 powershell.exe 744 powershell.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 632 powershell.exe 632 powershell.exe 2720 powershell.exe 2720 powershell.exe 1356 powershell.exe 1356 powershell.exe 1792 powershell.exe 1792 powershell.exe 1700 powershell.exe 1700 powershell.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 3068 csrss.exe 3068 csrss.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 3068 csrss.exe 3068 csrss.exe 5076 injector.exe 5076 injector.exe 3068 csrss.exe 3068 csrss.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe 5076 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5036 powershell.exe Token: SeDebugPrivilege 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Token: SeImpersonatePrivilege 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe Token: SeDebugPrivilege 744 powershell.exe Token: SeDebugPrivilege 632 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 1792 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeSystemEnvironmentPrivilege 3068 csrss.exe Token: SeSecurityPrivilege 3476 sc.exe Token: SeSecurityPrivilege 3476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exed6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4900 wrote to memory of 5036 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 85 PID 4900 wrote to memory of 5036 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 85 PID 4900 wrote to memory of 5036 4900 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 85 PID 2512 wrote to memory of 744 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 95 PID 2512 wrote to memory of 744 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 95 PID 2512 wrote to memory of 744 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 95 PID 2512 wrote to memory of 736 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 99 PID 2512 wrote to memory of 736 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 99 PID 736 wrote to memory of 1296 736 cmd.exe 101 PID 736 wrote to memory of 1296 736 cmd.exe 101 PID 2512 wrote to memory of 632 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 102 PID 2512 wrote to memory of 632 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 102 PID 2512 wrote to memory of 632 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 102 PID 2512 wrote to memory of 2720 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 105 PID 2512 wrote to memory of 2720 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 105 PID 2512 wrote to memory of 2720 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 105 PID 2512 wrote to memory of 3068 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 107 PID 2512 wrote to memory of 3068 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 107 PID 2512 wrote to memory of 3068 2512 d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe 107 PID 3068 wrote to memory of 1356 3068 csrss.exe 108 PID 3068 wrote to memory of 1356 3068 csrss.exe 108 PID 3068 wrote to memory of 1356 3068 csrss.exe 108 PID 3068 wrote to memory of 1792 3068 csrss.exe 114 PID 3068 wrote to memory of 1792 3068 csrss.exe 114 PID 3068 wrote to memory of 1792 3068 csrss.exe 114 PID 3068 wrote to memory of 1700 3068 csrss.exe 116 PID 3068 wrote to memory of 1700 3068 csrss.exe 116 PID 3068 wrote to memory of 1700 3068 csrss.exe 116 PID 3068 wrote to memory of 5076 3068 csrss.exe 118 PID 3068 wrote to memory of 5076 3068 csrss.exe 118 PID 1900 wrote to memory of 1656 1900 windefender.exe 125 PID 1900 wrote to memory of 1656 1900 windefender.exe 125 PID 1900 wrote to memory of 1656 1900 windefender.exe 125 PID 1656 wrote to memory of 3476 1656 cmd.exe 126 PID 1656 wrote to memory of 3476 1656 cmd.exe 126 PID 1656 wrote to memory of 3476 1656 cmd.exe 126 -
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\d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe"C:\Users\Admin\AppData\Local\Temp\d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5036
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C:\Users\Admin\AppData\Local\Temp\d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.exe"C:\Users\Admin\AppData\Local\Temp\d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775.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:2512 -
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:744
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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:736 -
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:1296
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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:632
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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:2720
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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:3068 -
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:1356
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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:3672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4696
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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:1792
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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:1700
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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:5076
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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:540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1900 -
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:1656 -
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:3476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2564
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
MD5864a52da38eab7400c6bb9179cb00211
SHA19b6716db5858f8acc04dc556fb5f8a8d2d484b00
SHA2566d728048ed199b930ccac73c36e6addb988887b456b4439f30d4859957766033
SHA512fce918e27d5c9518e298f9f0d574bea1b2159839718b05d33e29d730a9ebf82049c1eb754c16b76e6ddba3a9f4e0129b190259a93d6e02602ce48f78587c3f82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b7419ff51886c0cb3c76ea5a4a705f7
SHA1f704c04949888ca952ffec077c83d9a04cbc546e
SHA256242426739d421fd156c183d44e219288b9cad1747e7491ec5285daa677a460a8
SHA51297fa0bd4beaf465f6acafc8ba2fb3e6cd52a8c6b96c82ee0df488a560afcb232110eacc2d8807df3d4177b01164ca0a961ec7b47410f4eb061a8bef015b6cf38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e42f8f5590abd9540d17697ae29b6952
SHA1324e403af925c0f4d6e7372ab8af22c74618c44f
SHA2560f55a7e388a5dd6fe645bc7a14f1f27a6a199427a0ef2a93ce1599f64916d268
SHA5128441805ce6dbf8a862534781a0a54e3f92b1a4f0e855c6491fa04dca4589a7978030a7431ccfdeb99ed7726887ae0b2a1646192d1c141f41c8ff7c7c2d2f2910
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d4d101cbdf30a406eef50b00383987a
SHA10da11b9a2bb294471d372430828f59bda41c58c0
SHA256a680c7b38599522204a1921bb2355ef66196177541e1e1cdb6de54246ae9e9d7
SHA51266f48ea0b18309e5df07a98b6b244fe8f84247ec1ff278f7ece95c374dee03813c23ea8dc5e3c9c4896d478361c03ee005d70a65ce7cb85d8e811dc243bb8cf2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b2383b341b76d0cbfbb49cee437af7f
SHA1806f1c88774868b387d61716f03aed1137edbd4d
SHA2565e58224b4a01a67850e41d19d36eadf1c642150a20c3a510980c2b7b0bef7b45
SHA512240cc0d81a363540428496a4328abef965ff5d6d2e2203c9ea2b3ec026b9d4932d59495800cb0b361d763a021c4bae9937f7f7cb5ea757743726b618249b93e8
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Filesize
4.1MB
MD59f5965ffdf58de4decac2fa51fc456e6
SHA15dc9dc74560856288faa329017588aef1d637544
SHA256d6ec0f8d9d9b81234178fa2c4803cdf07f7f547c50fb7498427b159149b02775
SHA512592b416bc3b7ed18beb6449d53e8a78ee831cb2a0b7070f96eb9f95b5b391f4431fab6733fde1c08c1c2362f86e0c9195ef4b45d4fb0a0cd76d91d5c10168d0f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec