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Analysis
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max time kernel
149s -
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, 05:35
Static task
static1
Behavioral task
behavioral1
Sample
f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe
Resource
win10v2004-20240426-en
General
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Target
f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe
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Size
4.1MB
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MD5
1b96be3edf1ce13f7ef27ff174438749
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SHA1
b84cf7caef1798f00b68bdc988f05c375ae68312
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SHA256
f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b
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SHA512
fa1f51e1d215f73837152734e121d18a216cb284ead11cda1fb9972c0f397dcb47cb0e9e7f1889e66ed7e94a50dca174eed4d9adfbf304691c371d82ef136e64
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SSDEEP
98304:cWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+Y3:cW16ulMesXlnBp/sjruCqmtIOvaM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2984-2-0x0000000004600000-0x0000000004EEB000-memory.dmp family_glupteba behavioral2/memory/2984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2984-53-0x0000000004600000-0x0000000004EEB000-memory.dmp family_glupteba behavioral2/memory/2984-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2984-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3112-126-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-205-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-215-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-216-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-218-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-221-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-223-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-224-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-226-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-229-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-231-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-234-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2900-237-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2900 csrss.exe 4552 injector.exe 5096 windefender.exe 2028 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa28-208.dat upx behavioral2/memory/5096-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5096-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-220-0x0000000000400000-0x00000000008DF000-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\"" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe File created C:\Windows\rss\csrss.exe f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1292 sc.exe -
pid Process 4052 powershell.exe 5004 powershell.exe 720 powershell.exe 3164 powershell.exe 4056 powershell.exe 2556 powershell.exe 3528 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 1016 schtasks.exe 2440 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe 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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.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,-442 = "Arabian 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,-1971 = "Belarus Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.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,-2492 = "Aus Central W. 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4052 powershell.exe 4052 powershell.exe 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 5004 powershell.exe 5004 powershell.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 720 powershell.exe 720 powershell.exe 3164 powershell.exe 3164 powershell.exe 4056 powershell.exe 4056 powershell.exe 2556 powershell.exe 2556 powershell.exe 3528 powershell.exe 3528 powershell.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 2900 csrss.exe 2900 csrss.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 2900 csrss.exe 2900 csrss.exe 4552 injector.exe 4552 injector.exe 2900 csrss.exe 2900 csrss.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Token: SeImpersonatePrivilege 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeSystemEnvironmentPrivilege 2900 csrss.exe Token: SeSecurityPrivilege 1292 sc.exe Token: SeSecurityPrivilege 1292 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2984 wrote to memory of 4052 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 82 PID 2984 wrote to memory of 4052 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 82 PID 2984 wrote to memory of 4052 2984 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 82 PID 3112 wrote to memory of 5004 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 87 PID 3112 wrote to memory of 5004 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 87 PID 3112 wrote to memory of 5004 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 87 PID 3112 wrote to memory of 2544 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 89 PID 3112 wrote to memory of 2544 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 89 PID 2544 wrote to memory of 984 2544 cmd.exe 91 PID 2544 wrote to memory of 984 2544 cmd.exe 91 PID 3112 wrote to memory of 720 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 92 PID 3112 wrote to memory of 720 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 92 PID 3112 wrote to memory of 720 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 92 PID 3112 wrote to memory of 3164 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 94 PID 3112 wrote to memory of 3164 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 94 PID 3112 wrote to memory of 3164 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 94 PID 3112 wrote to memory of 2900 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 96 PID 3112 wrote to memory of 2900 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 96 PID 3112 wrote to memory of 2900 3112 f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe 96 PID 2900 wrote to memory of 4056 2900 csrss.exe 97 PID 2900 wrote to memory of 4056 2900 csrss.exe 97 PID 2900 wrote to memory of 4056 2900 csrss.exe 97 PID 2900 wrote to memory of 2556 2900 csrss.exe 102 PID 2900 wrote to memory of 2556 2900 csrss.exe 102 PID 2900 wrote to memory of 2556 2900 csrss.exe 102 PID 2900 wrote to memory of 3528 2900 csrss.exe 105 PID 2900 wrote to memory of 3528 2900 csrss.exe 105 PID 2900 wrote to memory of 3528 2900 csrss.exe 105 PID 2900 wrote to memory of 4552 2900 csrss.exe 107 PID 2900 wrote to memory of 4552 2900 csrss.exe 107 PID 5096 wrote to memory of 4860 5096 windefender.exe 113 PID 5096 wrote to memory of 4860 5096 windefender.exe 113 PID 5096 wrote to memory of 4860 5096 windefender.exe 113 PID 4860 wrote to memory of 1292 4860 cmd.exe 114 PID 4860 wrote to memory of 1292 4860 cmd.exe 114 PID 4860 wrote to memory of 1292 4860 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\f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe"C:\Users\Admin\AppData\Local\Temp\f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.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:4052
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C:\Users\Admin\AppData\Local\Temp\f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.exe"C:\Users\Admin\AppData\Local\Temp\f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b.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:5004
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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:2544 -
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:984
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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:720
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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:3164
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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:2900 -
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:4056
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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:2440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:996
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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:2556
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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:3528
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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:4552
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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:1016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5096 -
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:4860 -
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:1292
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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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594d48375cd0b322fe579995d047d341e
SHA181833feb80e34c0c01cc9dc0c836e6ad332d1e05
SHA256299325d64caf654a6622e41ac8561ba343d769e9d09f0be0fbe00194aad3c48b
SHA5121dc5533e08d90a038f0f798e935fc58e339b0cd2772bf2a773514d37a3aca78a9c8fb6648c22b6b1380d66147a97d1eefb9cb4aba8f80e420935ef08ef8b5302
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a36597db45f73a0bebab1a2afa35f89
SHA1f4e6e4a2c0dd793b04106df2bd58b5ae48e2e5f0
SHA25662a5204586a2408d9e9f75c79642d3122a51e6b826ad2aeb2acc2e3d36e4e366
SHA512c9a4b4288e7f2c8b389fc9c3e3f0f7a30c15f8cebe7fd0a746c310221ee01ce6031cecdb5043d64307b8535f6d07250da39835e415d39fafc285ebf57aae12dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e920f8f22800adf075e4f7158dc70979
SHA1c6a0761c64e1f5c355b0a634856b1bf28dd6930d
SHA256bb7435806229ceb50671f62eff4b3172932b03674308b4a67a8998b10e9aa2d5
SHA512bf1e238ecdc6dc56744d6296d4533c152d3e6b7cb97eb97c61c3ad5d2a472454c48b8345e3cf7742f938df31ca7abbaab0789071ecd8810695567988c08443fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5034042ac6568df205866359cb9322b39
SHA12bd1088c661670ff77901f9288cd71152c7091ce
SHA25671b1f878fc4424d023173410806f80bac1ddfa3c2498105c285d3a26e8d4fd2e
SHA51201deb686373110a6138aa6fed953c6e60158945f7bfa1aa3e08f71d7b26a3cbc508e0daf1496fe85e1836e12790a7045d64c9e3e673bd3cec092c5398cc07436
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fce2de390d3253921043a219a463948
SHA1d2e84be64dccb29569d49bbcfdefaa436cefb0c1
SHA2565503a02a40e98c1db83dfb3e8883d337042d03f222b3f2b23e1717efb53428e2
SHA512f55ae48a9e29444e09c7377f1c5a42833feccab3f9f641aab86fa7b4f22bda4af3a171a02b337cb18ed7616a112f4ca8e9986f3eb0699465cf09c90b39395810
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Filesize
4.1MB
MD51b96be3edf1ce13f7ef27ff174438749
SHA1b84cf7caef1798f00b68bdc988f05c375ae68312
SHA256f1f9c0ec0c453696267789f18c0c818444ea59d367ae46735a6c0bca18c9ff2b
SHA512fa1f51e1d215f73837152734e121d18a216cb284ead11cda1fb9972c0f397dcb47cb0e9e7f1889e66ed7e94a50dca174eed4d9adfbf304691c371d82ef136e64
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec