Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11/05/2024, 14:32
Static task
static1
Behavioral task
behavioral1
Sample
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe
Resource
win10v2004-20240426-en
General
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Target
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe
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Size
4.1MB
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MD5
05ec8b0ca71b6361694c7f8f62cd9b67
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SHA1
43b25b8e89cba4d82386c3244c04380680f2d873
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SHA256
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70
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SHA512
e69268d9a1603200683a1965a5d9dbcad3ea03bc5b6decdbc8c25a653c0763a53c11630bf5e8966ba4e2b969997389ba6626c0c87f60317875db3c8ba0c15cdd
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SSDEEP
98304:Fvk3KE87Zg8PM2ulELve/Kwh7mr5ruaseWQ6fvV7UOPIhnNP6XX:5v7Zg8025LGiRr5ruas3QSvFUzhnNgX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1356-2-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral1/memory/1356-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1356-64-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/1356-82-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral1/memory/4368-109-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/1356-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-192-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-202-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-205-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-208-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-211-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-214-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-217-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-220-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-223-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-226-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-229-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-232-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4964-235-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2012 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4964 csrss.exe 2480 injector.exe 620 windefender.exe 3344 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023491-195.dat upx behavioral1/memory/620-198-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-200-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/620-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 6 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 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 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe File created C:\Windows\rss\csrss.exe 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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 1120 sc.exe -
pid Process 4628 powershell.exe 3948 powershell.exe 468 powershell.exe 3764 powershell.exe 1444 powershell.exe 2372 powershell.exe 4572 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 2272 schtasks.exe 4392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-1841 = "Russia TZ 4 Daylight 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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4628 powershell.exe 4628 powershell.exe 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 3948 powershell.exe 3948 powershell.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 3764 powershell.exe 3764 powershell.exe 1444 powershell.exe 1444 powershell.exe 2372 powershell.exe 2372 powershell.exe 4572 powershell.exe 4572 powershell.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 4964 csrss.exe 4964 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 4964 csrss.exe 4964 csrss.exe 2480 injector.exe 2480 injector.exe 4964 csrss.exe 4964 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Token: SeImpersonatePrivilege 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 1120 sc.exe Token: SeSecurityPrivilege 1120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1356 wrote to memory of 4628 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 89 PID 1356 wrote to memory of 4628 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 89 PID 1356 wrote to memory of 4628 1356 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 89 PID 4368 wrote to memory of 3948 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 95 PID 4368 wrote to memory of 3948 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 95 PID 4368 wrote to memory of 3948 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 95 PID 4368 wrote to memory of 4504 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 99 PID 4368 wrote to memory of 4504 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 99 PID 4504 wrote to memory of 2012 4504 cmd.exe 101 PID 4504 wrote to memory of 2012 4504 cmd.exe 101 PID 4368 wrote to memory of 468 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 102 PID 4368 wrote to memory of 468 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 102 PID 4368 wrote to memory of 468 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 102 PID 4368 wrote to memory of 3764 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 104 PID 4368 wrote to memory of 3764 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 104 PID 4368 wrote to memory of 3764 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 104 PID 4368 wrote to memory of 4964 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 106 PID 4368 wrote to memory of 4964 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 106 PID 4368 wrote to memory of 4964 4368 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 106 PID 4964 wrote to memory of 1444 4964 csrss.exe 107 PID 4964 wrote to memory of 1444 4964 csrss.exe 107 PID 4964 wrote to memory of 1444 4964 csrss.exe 107 PID 4964 wrote to memory of 2372 4964 csrss.exe 113 PID 4964 wrote to memory of 2372 4964 csrss.exe 113 PID 4964 wrote to memory of 2372 4964 csrss.exe 113 PID 4964 wrote to memory of 4572 4964 csrss.exe 115 PID 4964 wrote to memory of 4572 4964 csrss.exe 115 PID 4964 wrote to memory of 4572 4964 csrss.exe 115 PID 4964 wrote to memory of 2480 4964 csrss.exe 117 PID 4964 wrote to memory of 2480 4964 csrss.exe 117 PID 620 wrote to memory of 1752 620 windefender.exe 124 PID 620 wrote to memory of 1752 620 windefender.exe 124 PID 620 wrote to memory of 1752 620 windefender.exe 124 PID 1752 wrote to memory of 1120 1752 cmd.exe 125 PID 1752 wrote to memory of 1120 1752 cmd.exe 125 PID 1752 wrote to memory of 1120 1752 cmd.exe 125 -
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\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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:4368 -
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:3948
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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:4504 -
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:2012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:468
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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:3764
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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:4964 -
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:1444
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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:4392
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3624
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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:2372
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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:4572
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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:2480
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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:2272
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:620 -
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:1752 -
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:1120
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3344
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53896bdee2d60daf2c25500e32883fe17
SHA1f5687432cd483feb8a15fd4bc4d936a293307636
SHA256fc41511cc8b02f338532008d3039ae11b595a66e2b969118058c63aea798c042
SHA512a993e6b795f60deca8628b0374963d3e4a47d607882444aaa6507e727d3acf9468808cd838498fe84ff38ca0ee9401719adab54de81262026aad38ee2e0e1434
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e0a8877d3e40c40e49d416b87da6e3d
SHA1f29cbff9467002b121bfcee417a2a7f49148313c
SHA256f8e49e6a65c47168ecbcaba2a1fd3415f25420b1d4f830d27a77bea4e15fdcb7
SHA512297a2acd41b1914ff518214bdd39d1cc4861b11e8dbe674d6cb1f1e9127a6384baac2e5f4d246d28d86fba4d6fee6ff355d407a89c6b3f2e00cf7ffc72600231
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be9b765728e9ec8ec5655a3ebf93824e
SHA127ab55790d1bff70d08d2a354daea747ca700350
SHA256cbca94a32321eb0adbd01d10328ca09fb42fce0d20505fa9eecfd1c723b68a85
SHA5126a82ba9598f2d27eee30e28cb7190e025e685b351be35818591c33a2d5a92f712702f00b570119efa62c1bd3d2ba5b9ebf6ae0bd29b22a614d0ed6d2f9ee4cbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f3cdb5ce97227beb45d5fd4f67f7741
SHA1a0cfe40286f78107112957e39b266188611f10a1
SHA2561596f9009dabe04ffdbd5578366dcceb98089cc07e5774d93f55a39bb9f51d8a
SHA512a6d21d69924d02dccf647830cdc0ab5261543d5a3c70e433ce0dcbc449ed8b412f88ff5fd8ec12cbfce45a6e7b772a933ab1ada49f930401fc5c34f53e5b2105
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Filesize
4.1MB
MD505ec8b0ca71b6361694c7f8f62cd9b67
SHA143b25b8e89cba4d82386c3244c04380680f2d873
SHA25692b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70
SHA512e69268d9a1603200683a1965a5d9dbcad3ea03bc5b6decdbc8c25a653c0763a53c11630bf5e8966ba4e2b969997389ba6626c0c87f60317875db3c8ba0c15cdd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec