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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe
Resource
win10v2004-20240508-en
General
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Target
8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe
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Size
4.1MB
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MD5
b1ace68c25b1140cad2c89d39476982f
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SHA1
8ace2e59d22a6023b636b0a98c2c381736024c8d
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SHA256
8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313
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SHA512
27fc3ef48f482503101c634c9a905fe023805274f222ad5f3ce9c38af6d00908810f0823010f07ef7d0dfeacf28ce504c649c3f77b84efe3b8b6e365c8c9afef
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SSDEEP
98304:crbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22B:crcnZFqd2LRPP3hYhQZB
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2984-2-0x0000000004550000-0x0000000004E3B000-memory.dmp family_glupteba behavioral2/memory/2984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2984-73-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2984-78-0x0000000004550000-0x0000000004E3B000-memory.dmp family_glupteba behavioral2/memory/2984-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3112-119-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3112-194-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-201-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-212-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-215-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-218-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-224-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-228-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-232-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-234-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-240-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-244-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-248-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/2968-251-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2968 csrss.exe 2528 injector.exe 4200 windefender.exe 2028 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa28-204.dat upx behavioral2/memory/4200-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4200-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe File created C:\Windows\rss\csrss.exe 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2224 sc.exe -
pid Process 3308 powershell.exe 4340 powershell.exe 3380 powershell.exe 4372 powershell.exe 3572 powershell.exe 2676 powershell.exe 5112 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 568 schtasks.exe 3688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-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,-2371 = "Easter Island Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight 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" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-571 = "China Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3380 powershell.exe 3380 powershell.exe 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 4372 powershell.exe 4372 powershell.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 3572 powershell.exe 3572 powershell.exe 2676 powershell.exe 2676 powershell.exe 5112 powershell.exe 5112 powershell.exe 3308 powershell.exe 3308 powershell.exe 4340 powershell.exe 4340 powershell.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2968 csrss.exe 2968 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2968 csrss.exe 2968 csrss.exe 2528 injector.exe 2528 injector.exe 2968 csrss.exe 2968 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Token: SeImpersonatePrivilege 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeSystemEnvironmentPrivilege 2968 csrss.exe Token: SeSecurityPrivilege 2224 sc.exe Token: SeSecurityPrivilege 2224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2984 wrote to memory of 3380 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 82 PID 2984 wrote to memory of 3380 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 82 PID 2984 wrote to memory of 3380 2984 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 82 PID 3112 wrote to memory of 4372 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 87 PID 3112 wrote to memory of 4372 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 87 PID 3112 wrote to memory of 4372 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 87 PID 3112 wrote to memory of 2088 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 89 PID 3112 wrote to memory of 2088 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 89 PID 2088 wrote to memory of 4784 2088 cmd.exe 91 PID 2088 wrote to memory of 4784 2088 cmd.exe 91 PID 3112 wrote to memory of 3572 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 92 PID 3112 wrote to memory of 3572 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 92 PID 3112 wrote to memory of 3572 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 92 PID 3112 wrote to memory of 2676 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 94 PID 3112 wrote to memory of 2676 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 94 PID 3112 wrote to memory of 2676 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 94 PID 3112 wrote to memory of 2968 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 96 PID 3112 wrote to memory of 2968 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 96 PID 3112 wrote to memory of 2968 3112 8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe 96 PID 2968 wrote to memory of 5112 2968 csrss.exe 97 PID 2968 wrote to memory of 5112 2968 csrss.exe 97 PID 2968 wrote to memory of 5112 2968 csrss.exe 97 PID 2968 wrote to memory of 3308 2968 csrss.exe 103 PID 2968 wrote to memory of 3308 2968 csrss.exe 103 PID 2968 wrote to memory of 3308 2968 csrss.exe 103 PID 2968 wrote to memory of 4340 2968 csrss.exe 105 PID 2968 wrote to memory of 4340 2968 csrss.exe 105 PID 2968 wrote to memory of 4340 2968 csrss.exe 105 PID 2968 wrote to memory of 2528 2968 csrss.exe 107 PID 2968 wrote to memory of 2528 2968 csrss.exe 107 PID 4200 wrote to memory of 2700 4200 windefender.exe 113 PID 4200 wrote to memory of 2700 4200 windefender.exe 113 PID 4200 wrote to memory of 2700 4200 windefender.exe 113 PID 2700 wrote to memory of 2224 2700 cmd.exe 114 PID 2700 wrote to memory of 2224 2700 cmd.exe 114 PID 2700 wrote to memory of 2224 2700 cmd.exe 114 -
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\8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe"C:\Users\Admin\AppData\Local\Temp\8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3380
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C:\Users\Admin\AppData\Local\Temp\8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.exe"C:\Users\Admin\AppData\Local\Temp\8e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313.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:3112 -
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:4372
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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:2088 -
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:4784
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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:3572
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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:2676
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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:2968 -
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:5112
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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:568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2260
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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:3308
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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:4340
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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:2528
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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:3688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4200 -
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:2700 -
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:2224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2028
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53dd1cedcdab2b7d120216f8534d6e108
SHA11ceeb5378807a3b56e0a5d8a91eae3ad9266b6cf
SHA256663819dc7c61b6859dadc6d9452f2054cd4f6776dfac414a7a1666283a5a9e65
SHA5120fe165e5109b28bbb56ebcd03be21a81aa403fc9921cd31cd260546f4f7d069eed37bc1d551711ef85d7180f7b351b43fb5f9d22ae1c688150332833280f4f1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fb307335598e5c342962758337a94e6
SHA145b1b87781b8b132427b4f542dbd6de9c373a67e
SHA25619e422d8bc3f106545027413b5f2a8aab49d1b3cbf05a809ab01d87b47fc1c0c
SHA512735d3c341ae7360c4b271e10722c26e62fa592d2a09a778943163984d650f21a5e58ec11ad739927ed384ae87629230b59c5ee067c4d207885df500df82c5498
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b84c2d92ba5559868bc90309797882e
SHA1e7ae600ce4629d569b7e8726a6c2619bb5c29a79
SHA256ef5fbdd513b965c085641345af0692dfb49e20fda51638ec5dfb77d8cf1f80c6
SHA512e6f21884633ab7e75285363ce24cf5388b64853791967ce787722a1d081c845207135b2897ec2bef65af0f12a5d9c6761f7228adf218df3c9232b86104be7208
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e10ca7475f4fefcd61dc4abb59cad58
SHA1b92e82c5ad0367c3a311cd4a38801abe75593071
SHA25679565050f2a52d04a0b6c33b5ede9b1e021e534e8c211989fa2ea5c344b4cc93
SHA5126dceca0706aa20185ba6ac1b50265a4bac18de124a4bd445ee4906349611c6cb72f83ec49d4e7ed17e0e6e1c714a966b05a4178ea6635d1dfa20ded582dbc634
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e5089e066cd20dcaf1f6b303f11652b
SHA1118fa50f651aae27f62de51f375020ced8715327
SHA2560bb83cdebd7cc23ad04d042a4c61dc782fc62c935052ed22c64bf6d825742e9b
SHA5122e09fc2778f123ae6204ad06ae94b2806b244432ec6b13c154fb0e86f0d80cdc801f5fb0ad135787568e4fe2175a6e9459a378c4be990e4afe5ec39f1e436856
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Filesize
4.1MB
MD5b1ace68c25b1140cad2c89d39476982f
SHA18ace2e59d22a6023b636b0a98c2c381736024c8d
SHA2568e1f936011ae6d6bbde0c34e70438f751d721a4bc36a7914a9b90f320f6a2313
SHA51227fc3ef48f482503101c634c9a905fe023805274f222ad5f3ce9c38af6d00908810f0823010f07ef7d0dfeacf28ce504c649c3f77b84efe3b8b6e365c8c9afef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec