Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:35
Static task
static1
Behavioral task
behavioral1
Sample
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe
Resource
win10v2004-20240508-en
General
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Target
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe
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Size
4.1MB
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MD5
e052d4fbd42291bce43ba0f97126e89c
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SHA1
ced2a998d0b6462959514047797bbd939bd9b094
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SHA256
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df
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SHA512
11fe661721fb74efe206acd5667c09d1bfddcdd9071b8599e78bd453f582ae3efa98b6aad0f073f1d76201ca06d94847e253379fed00c07ca94d76c9067d5403
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SSDEEP
98304:ek/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6b:en6bazjovoyoHfX3/GYH0
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1376-2-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral1/memory/1376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1376-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1376-57-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral1/memory/1376-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1696-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4284-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4632 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4284 csrss.exe 3508 injector.exe 1480 windefender.exe 3124 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233e0-221.dat upx behavioral1/memory/1480-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3124-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3124-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3124-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 -
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:
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe -
Drops file in Windows directory 4 IoCs
Processes:
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe File created C:\Windows\rss\csrss.exe 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.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 4504 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4792 powershell.exe 4596 powershell.exe 816 powershell.exe 2020 powershell.exe 4652 powershell.exe 1572 powershell.exe 2664 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4404 1376 WerFault.exe 81 -
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 228 schtasks.exe 1344 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-392 = "Arab Standard Time" windefender.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,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-281 = "Central Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan 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,-2042 = "Eastern Standard Time (Mexico)" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-2392 = "Aleutian Standard 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,-401 = "Arabic Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exepowershell.exe18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4596 powershell.exe 4596 powershell.exe 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 816 powershell.exe 816 powershell.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 2020 powershell.exe 2020 powershell.exe 4652 powershell.exe 4652 powershell.exe 1572 powershell.exe 1572 powershell.exe 2664 powershell.exe 2664 powershell.exe 4792 powershell.exe 4792 powershell.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 4284 csrss.exe 4284 csrss.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 4284 csrss.exe 4284 csrss.exe 3508 injector.exe 3508 injector.exe 4284 csrss.exe 4284 csrss.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe 3508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Token: SeImpersonatePrivilege 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe Token: SeDebugPrivilege 816 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeSystemEnvironmentPrivilege 4284 csrss.exe Token: SeSecurityPrivilege 4504 sc.exe Token: SeSecurityPrivilege 4504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1376 wrote to memory of 4596 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 83 PID 1376 wrote to memory of 4596 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 83 PID 1376 wrote to memory of 4596 1376 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 83 PID 1696 wrote to memory of 816 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 91 PID 1696 wrote to memory of 816 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 91 PID 1696 wrote to memory of 816 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 91 PID 1696 wrote to memory of 3292 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 95 PID 1696 wrote to memory of 3292 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 95 PID 3292 wrote to memory of 4632 3292 cmd.exe 97 PID 3292 wrote to memory of 4632 3292 cmd.exe 97 PID 1696 wrote to memory of 2020 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 99 PID 1696 wrote to memory of 2020 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 99 PID 1696 wrote to memory of 2020 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 99 PID 1696 wrote to memory of 4652 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 101 PID 1696 wrote to memory of 4652 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 101 PID 1696 wrote to memory of 4652 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 101 PID 1696 wrote to memory of 4284 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 104 PID 1696 wrote to memory of 4284 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 104 PID 1696 wrote to memory of 4284 1696 18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe 104 PID 4284 wrote to memory of 1572 4284 csrss.exe 105 PID 4284 wrote to memory of 1572 4284 csrss.exe 105 PID 4284 wrote to memory of 1572 4284 csrss.exe 105 PID 4284 wrote to memory of 2664 4284 csrss.exe 112 PID 4284 wrote to memory of 2664 4284 csrss.exe 112 PID 4284 wrote to memory of 2664 4284 csrss.exe 112 PID 4284 wrote to memory of 4792 4284 csrss.exe 114 PID 4284 wrote to memory of 4792 4284 csrss.exe 114 PID 4284 wrote to memory of 4792 4284 csrss.exe 114 PID 4284 wrote to memory of 3508 4284 csrss.exe 116 PID 4284 wrote to memory of 3508 4284 csrss.exe 116 PID 1480 wrote to memory of 4132 1480 windefender.exe 123 PID 1480 wrote to memory of 4132 1480 windefender.exe 123 PID 1480 wrote to memory of 4132 1480 windefender.exe 123 PID 4132 wrote to memory of 4504 4132 cmd.exe 124 PID 4132 wrote to memory of 4504 4132 cmd.exe 124 PID 4132 wrote to memory of 4504 4132 cmd.exe 124 -
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\18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe"C:\Users\Admin\AppData\Local\Temp\18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596
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C:\Users\Admin\AppData\Local\Temp\18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.exe"C:\Users\Admin\AppData\Local\Temp\18a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df.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:1696 -
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:816
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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:3292 -
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:4632
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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:2020
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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:4652
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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:4284 -
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:1572
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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:228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1840
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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:2664
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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:4792
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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:3508
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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:1344
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1480 -
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:4132 -
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:4504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 6322⤵
- Program crash
PID:4404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1376 -ip 13761⤵PID:4612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3124
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
MD56d8256932f903812a823944be4720624
SHA15dd64bf0c26caf0e4e98a16541ce19d4841662bb
SHA256819564861a7d512a7ffb6d0a3df20dcdc114e746af953812b01b52d187055e93
SHA512ba477157d6e5a1261cb8fbdc0476a0979e40ad5e7647ec1beae3661e1ddecb1358f7f03d16a374fc92965b0043c5ba05d3955f04ac00555b1dc564715b121fd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f3f47169f028c81cb96d2d5578d9b2b
SHA113252a19c4360f39982cd87b26d01acfe6eb40b2
SHA256918b0dc7875d6511a5673beeb19a5ea92dbf5ed03613541a85d1aef5b1263387
SHA512f8032caa99bfb5339423dd0388e5e20a84e75836d6741f760ebb9ad1033f5f89236bea098f931a95e6350876b8e9b09a0d1d3283c286b5d9b2fffa5cfa6f528b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d594cb0da508bc041e0c1f4c61028f62
SHA17db7732270a4a742e76db70f10bc4a6cfdfadc6c
SHA2568d94813ca28cdd964fe7cb866f0cfde84facf951778a973c6ceaa80c71077d37
SHA5124070d1c36e2b1ec1507641cd504e1a9464973e3b4c0a44866799aaaf8f3361bb32f9b15c132a7f34b3ad53a8bdc36c02cbf840643cea995928ece5976c2bb9f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d1dc65bb23b77395fcfb4aa91f4b307
SHA15f034ecf0eeaf21d6ba7b4b6c3c02fadb1450779
SHA2561d0835e66180c08299f50f4c9715fc590113266da0d29e676f12fe164ef3ecff
SHA5123c86e8f1d16be772fe130edc24c94351e2fb50813d9850b94c806552fef9178eb47b02855c1eb377f1d9e06feb75a7497da7b7b3fa069159ccced9f6b33687e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5024c1c47da21f3087e9fb28be1ae182b
SHA1940c3ccd16e3d6cde049af8ff7ac2e458f0b261b
SHA25653c1e97bb4282b176c8b60903826f8d8e87664156c5f8a604f4535f90139925b
SHA512977f959ac079afef8ff18660b4df01039f56f209a9d05be92e39e49db55c8c8ddb8c32a76b8167aeaf2ed5918fbf4f1c0f8d5d1b06594d98bb129555efdc020a
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Filesize
4.1MB
MD5e052d4fbd42291bce43ba0f97126e89c
SHA1ced2a998d0b6462959514047797bbd939bd9b094
SHA25618a7a737d1406ae6566961ce341d9386003bb22d5bc6bc74e4347c7064a0f1df
SHA51211fe661721fb74efe206acd5667c09d1bfddcdd9071b8599e78bd453f582ae3efa98b6aad0f073f1d76201ca06d94847e253379fed00c07ca94d76c9067d5403
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec