Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:02
Static task
static1
Behavioral task
behavioral1
Sample
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe
Resource
win10v2004-20240508-en
General
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Target
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe
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Size
4.1MB
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MD5
336b26dbb475c88e8964545fe6c64741
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SHA1
95483451711e84e2942345d33af9d7d39f3ad6a5
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SHA256
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65
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SHA512
4825af2c3249718a83cfd196862fe99a320429f67c3d3f8e6329face1132a0515ec196c8732adc868420ab4e2fea7fec7b5a396311a5e922794ccce0e6f5b682
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SSDEEP
98304:XhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvV:xz9CiccJ0CpfGcGG1DfLX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3112-2-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/3112-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3112-38-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3112-54-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/3112-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3112-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-79-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3852-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-151-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-204-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1992-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3220 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1992 csrss.exe 4128 injector.exe 4768 windefender.exe 1168 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ad-208.dat upx behavioral2/memory/4768-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1168-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4768-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1168-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1168-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 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 -
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 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe File created C:\Windows\rss\csrss.exe f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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 3488 sc.exe -
pid Process 464 powershell.exe 1080 powershell.exe 2440 powershell.exe 3056 powershell.exe 3572 powershell.exe 8 powershell.exe 1724 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 1224 schtasks.exe 1016 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,-332 = "E. Europe Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal 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" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia 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\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" 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,-842 = "Argentina Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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,-541 = "Myanmar Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1724 powershell.exe 1724 powershell.exe 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 464 powershell.exe 464 powershell.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 1080 powershell.exe 1080 powershell.exe 2440 powershell.exe 2440 powershell.exe 3056 powershell.exe 3056 powershell.exe 3572 powershell.exe 3572 powershell.exe 8 powershell.exe 8 powershell.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 1992 csrss.exe 1992 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 1992 csrss.exe 1992 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 1992 csrss.exe 1992 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1724 powershell.exe Token: SeDebugPrivilege 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Token: SeImpersonatePrivilege 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 1080 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeDebugPrivilege 3056 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeSystemEnvironmentPrivilege 1992 csrss.exe Token: SeSecurityPrivilege 3488 sc.exe Token: SeSecurityPrivilege 3488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3112 wrote to memory of 1724 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 78 PID 3112 wrote to memory of 1724 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 78 PID 3112 wrote to memory of 1724 3112 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 78 PID 3852 wrote to memory of 464 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 83 PID 3852 wrote to memory of 464 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 83 PID 3852 wrote to memory of 464 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 83 PID 3852 wrote to memory of 1352 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 85 PID 3852 wrote to memory of 1352 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 85 PID 1352 wrote to memory of 3220 1352 cmd.exe 87 PID 1352 wrote to memory of 3220 1352 cmd.exe 87 PID 3852 wrote to memory of 1080 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 88 PID 3852 wrote to memory of 1080 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 88 PID 3852 wrote to memory of 1080 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 88 PID 3852 wrote to memory of 2440 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 90 PID 3852 wrote to memory of 2440 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 90 PID 3852 wrote to memory of 2440 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 90 PID 3852 wrote to memory of 1992 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 92 PID 3852 wrote to memory of 1992 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 92 PID 3852 wrote to memory of 1992 3852 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 92 PID 1992 wrote to memory of 3056 1992 csrss.exe 93 PID 1992 wrote to memory of 3056 1992 csrss.exe 93 PID 1992 wrote to memory of 3056 1992 csrss.exe 93 PID 1992 wrote to memory of 3572 1992 csrss.exe 99 PID 1992 wrote to memory of 3572 1992 csrss.exe 99 PID 1992 wrote to memory of 3572 1992 csrss.exe 99 PID 1992 wrote to memory of 8 1992 csrss.exe 101 PID 1992 wrote to memory of 8 1992 csrss.exe 101 PID 1992 wrote to memory of 8 1992 csrss.exe 101 PID 1992 wrote to memory of 4128 1992 csrss.exe 103 PID 1992 wrote to memory of 4128 1992 csrss.exe 103 PID 4768 wrote to memory of 908 4768 windefender.exe 109 PID 4768 wrote to memory of 908 4768 windefender.exe 109 PID 4768 wrote to memory of 908 4768 windefender.exe 109 PID 908 wrote to memory of 3488 908 cmd.exe 110 PID 908 wrote to memory of 3488 908 cmd.exe 110 PID 908 wrote to memory of 3488 908 cmd.exe 110 -
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\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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:3852 -
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:464
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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:1352 -
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:3220
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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:1080
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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:2440
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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:1992 -
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:3056
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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:1224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3668
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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:3572
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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:8
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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:4128
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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:4768 -
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:908 -
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:3488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1168
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
MD5679a90cead4a39b4c8e7dac9dc1dd1f6
SHA1d63eb8b49b9e02a7c58172ebd40f2bddfd9d0593
SHA256dda24d3f9ad81c214bda02b3f6fd15453c23a33c4c2892d6672de5504300bb9f
SHA512015f51585ecb80b067525dfb38640dc3d5901a0dc0565cc5dfedb4181c9ff344e8bd78a4440f727ab80e8fe272178832715fbd2250e45f80f9b395ba25fb0848
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d2c79a0edc0c6e5ff204869e4728269
SHA165a1b0f3a03011f76f019a5f81702e0218416a9d
SHA256613a4976fc275a5ecd101fb60b6ca59fd746c8ef4455d58635c72504361f33a6
SHA5127a2ce4384076e4fca13e248e58ec3c2445a4d73e9c9ab7f80abecf58d35e4e0d3b39681eab0510759bb68c225a9b7d0a66c13dfc29ffe370ec443ebd30be30bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e70bc2fc495ec18a55204260352f4569
SHA1187ffb6e9b6ce43c9e342828998a0f40d5fac6d8
SHA2567e5589144112272b7d0b34a1bbd996583c6fb8380a3a5199531b61e723d51d7d
SHA5121103752b89c405fd1f770081526aea14f56722e7ddfa2e4fab65d459ce6162513ca59f126c244f90b26803fd437e0427ef78454d34e8fa6ad78f2497a959d9c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a23ac10619b0150803ec63ab3d2de421
SHA18603a8b1b3b58240ee70025b44b962b043bfb458
SHA256b043aeda00ade4011cdef7596a47c5e69b027f4c192796b86697bb04f114f169
SHA5123ad82ce432884029abae8ffc0fd6dbb640888281ece2aec36c5a9c61b967079f598bd63e91bdfebbeeb9a4816b2883ad8b48d83aba88d674e0dcf87779553d35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c18fe5fea23feb6338778c811565fa1b
SHA1021e31cbb0ce427e0d0703c5adcdd0b8fd316aff
SHA2563d7e04c3cc1c7b603ce30923c1c8769aa9ea1ba990ade1249dd73351097fd746
SHA512854ece27aa2f44e57ae3142fa74a183f67f6864c9c099e09e674298bde2f7ec0686e6c829566391f0c6a89fb7b3fa582bd5424d03b682cce735af64ac3df5788
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Filesize
4.1MB
MD5336b26dbb475c88e8964545fe6c64741
SHA195483451711e84e2942345d33af9d7d39f3ad6a5
SHA256f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65
SHA5124825af2c3249718a83cfd196862fe99a320429f67c3d3f8e6329face1132a0515ec196c8732adc868420ab4e2fea7fec7b5a396311a5e922794ccce0e6f5b682
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec