Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:09
Static task
static1
Behavioral task
behavioral1
Sample
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe
Resource
win10v2004-20240426-en
General
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Target
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe
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Size
4.1MB
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MD5
3cce795e25374d5bd995345af924f438
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SHA1
ec7bc8aaac66ca8a72d808fdb21c340bf53731ac
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SHA256
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce
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SHA512
e7d0bd2f1fdfe67edb79a63cb3ee488c8bc3910a49d0d185f4ad9a92ace6b0b034f28a868cdfe6968c0538db78c238ce1d8f92c812a429f6d9a98427de9d492d
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SSDEEP
98304:guOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSs:guOpIddBi3V8Ojm7gWylM939CF
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/1292-2-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/1292-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1292-98-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/1292-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5060-197-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-200-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-228-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4056-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3136 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4056 csrss.exe 2916 injector.exe 1092 windefender.exe 4560 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa2f-205.dat upx behavioral2/memory/1092-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4560-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4560-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4560-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 -
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:
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe -
Drops file in Windows directory 4 IoCs
Processes:
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe File created C:\Windows\rss\csrss.exe 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.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.
Processes:
sc.exepid Process 4748 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 420 powershell.exe 4492 powershell.exe 3348 powershell.exe 2876 powershell.exe 576 powershell.exe 920 powershell.exe 976 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 4112 schtasks.exe 2428 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.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\@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,-161 = "Central Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.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" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.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,-1721 = "Libya Daylight 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,-82 = "Atlantic Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\SmartCardRoot\CTLs 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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.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\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exepowershell.exe9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 976 powershell.exe 976 powershell.exe 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 420 powershell.exe 420 powershell.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 4492 powershell.exe 4492 powershell.exe 3348 powershell.exe 3348 powershell.exe 2876 powershell.exe 2876 powershell.exe 576 powershell.exe 576 powershell.exe 920 powershell.exe 920 powershell.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 4056 csrss.exe 4056 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 4056 csrss.exe 4056 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 4056 csrss.exe 4056 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Token: SeImpersonatePrivilege 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe Token: SeDebugPrivilege 420 powershell.exe Token: SeDebugPrivilege 4492 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeSystemEnvironmentPrivilege 4056 csrss.exe Token: SeSecurityPrivilege 4748 sc.exe Token: SeSecurityPrivilege 4748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1292 wrote to memory of 976 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 79 PID 1292 wrote to memory of 976 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 79 PID 1292 wrote to memory of 976 1292 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 79 PID 5060 wrote to memory of 420 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 84 PID 5060 wrote to memory of 420 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 84 PID 5060 wrote to memory of 420 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 84 PID 5060 wrote to memory of 2880 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 86 PID 5060 wrote to memory of 2880 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 86 PID 2880 wrote to memory of 3136 2880 cmd.exe 88 PID 2880 wrote to memory of 3136 2880 cmd.exe 88 PID 5060 wrote to memory of 4492 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 89 PID 5060 wrote to memory of 4492 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 89 PID 5060 wrote to memory of 4492 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 89 PID 5060 wrote to memory of 3348 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 91 PID 5060 wrote to memory of 3348 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 91 PID 5060 wrote to memory of 3348 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 91 PID 5060 wrote to memory of 4056 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 93 PID 5060 wrote to memory of 4056 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 93 PID 5060 wrote to memory of 4056 5060 9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe 93 PID 4056 wrote to memory of 2876 4056 csrss.exe 94 PID 4056 wrote to memory of 2876 4056 csrss.exe 94 PID 4056 wrote to memory of 2876 4056 csrss.exe 94 PID 4056 wrote to memory of 576 4056 csrss.exe 100 PID 4056 wrote to memory of 576 4056 csrss.exe 100 PID 4056 wrote to memory of 576 4056 csrss.exe 100 PID 4056 wrote to memory of 920 4056 csrss.exe 102 PID 4056 wrote to memory of 920 4056 csrss.exe 102 PID 4056 wrote to memory of 920 4056 csrss.exe 102 PID 4056 wrote to memory of 2916 4056 csrss.exe 104 PID 4056 wrote to memory of 2916 4056 csrss.exe 104 PID 1092 wrote to memory of 4108 1092 windefender.exe 110 PID 1092 wrote to memory of 4108 1092 windefender.exe 110 PID 1092 wrote to memory of 4108 1092 windefender.exe 110 PID 4108 wrote to memory of 4748 4108 cmd.exe 111 PID 4108 wrote to memory of 4748 4108 cmd.exe 111 PID 4108 wrote to memory of 4748 4108 cmd.exe 111 -
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\9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe"C:\Users\Admin\AppData\Local\Temp\9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:976
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C:\Users\Admin\AppData\Local\Temp\9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.exe"C:\Users\Admin\AppData\Local\Temp\9e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce.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:5060 -
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:420
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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:2880 -
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:3136
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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:4492
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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:3348
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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:4056 -
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:2876
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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:4112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2100
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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:576
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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:920
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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:2916
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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:2428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1092 -
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:4108 -
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:4748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4560
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577a5aa7cb4420089f3690d12b03e2020
SHA1c784e3ba26a78e57e0e20cdabac81e0215e574a0
SHA25633694624db9adad517e6103c291f6fc2345c6419da3987e3d9647579b64bdfc3
SHA51262b4e5df0555921315e031485895b7b4f1651d9dddf345398f047a0f19155b10a23b76d92b184a324a6343314c2d8efbd6ddcdc77f4549bf845ff14948446708
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7ef82ff88d0af16212b838b2015f340
SHA14f5a650a0da41dbd6d61f292946b1a76749c00f7
SHA25606a2a4a10c2313f23a9e601d39f6cf70d8fafe4695155e9ee295b52a283224b7
SHA512d0d732c5123b42893a7c8464a5e6ae69b4132b447c8fa457eb865776fd071cfb110e81256bcce979f4a69287836a44b07f5447cb9fafa71a32b53e572b110eab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b87c312d12af99877adabda8673359a
SHA1cc838549fec420e64e5667611b18dbe6f2c38fba
SHA2563a7835146e1214bb28fa391db858eaecfe32e367c87e1b35b88eded061fdb402
SHA5128490da5fd92d567e51a2303b1c06e49a7eebf8d294657fdd974a97aa3b88f8fb712476f9e0824055c57906ede2f86f296de2232b2089d076401efe53741a1353
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556d533cfa1b5c872e2566a90360d0576
SHA152467b7836dfa93426165a5ebc77ecd7184836d6
SHA25686f2d110d10576b8af747b282e1b7213a83f191d23e9e05c4fd9cafb2d8709ab
SHA512d869179465846372aa8fde4ac2d3ba218ee51b505e2989761170cf487cccfab55a07391c492d71534b68249e06655a5aee08e02803cc69478ed101d0b08b91e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b189c10e22d3f69d90a331c5a182c00c
SHA147d55fb0c2fe2429935f0af35db855dcd02e8bd8
SHA256ef4c8102b9fe7c74cd1f2cdc9c1f3773251526149887ec1235c83f21688e09a5
SHA5125c87b0c433bca1c6cf68c48023ef50dcf4e26f2efaa95769d1b2c4f773224e6f9749377721bcfc5f39a543bd1a4f41126cf0d48ec9e38ba994b1abfa41916847
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Filesize
4.1MB
MD53cce795e25374d5bd995345af924f438
SHA1ec7bc8aaac66ca8a72d808fdb21c340bf53731ac
SHA2569e670fbf651d07c8467a0c4e3ae1b029c0c397536050bbb8af1e21f0a421efce
SHA512e7d0bd2f1fdfe67edb79a63cb3ee488c8bc3910a49d0d185f4ad9a92ace6b0b034f28a868cdfe6968c0538db78c238ce1d8f92c812a429f6d9a98427de9d492d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec