Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 21:47
Static task
static1
Behavioral task
behavioral1
Sample
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe
Resource
win10v2004-20240426-en
General
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Target
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe
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Size
4.1MB
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MD5
f629b74ca82e982a2b889e450fd0fb58
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SHA1
e6c7694c3f3b5659e69d5f8e44f08dab3887af2a
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SHA256
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30
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SHA512
4916523a34e09e26a53d79ee0b5db7c1db6cf7c41ff54323d6784aadeb3f2034943dd5148e6a44cb83380dece67b9692722486ed68e0ed91b4430ea9d3deec34
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SSDEEP
98304:sX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0r2:sXPWAwQyCdJYw8Kgg2
Malware Config
Signatures
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Glupteba payload 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1516-2-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral1/memory/1516-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1516-144-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1516-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4008-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-265-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4008-273-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 5060 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4008 csrss.exe 3032 injector.exe 4056 windefender.exe 116 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023468-224.dat upx behavioral1/memory/4056-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/116-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4056-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/116-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/116-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe File created C:\Windows\rss\csrss.exe 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.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.
Processes:
sc.exepid Process 2720 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3260 powershell.exe 920 powershell.exe 4056 powershell.exe 2124 powershell.exe 1964 powershell.exe 2756 powershell.exe 888 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1520 schtasks.exe 4408 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.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\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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 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" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-342 = "Egypt Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.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,-162 = "Central Standard 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\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exepowershell.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 888 powershell.exe 888 powershell.exe 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 3260 powershell.exe 3260 powershell.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 920 powershell.exe 920 powershell.exe 920 powershell.exe 4056 powershell.exe 4056 powershell.exe 4056 powershell.exe 2124 powershell.exe 2124 powershell.exe 1964 powershell.exe 1964 powershell.exe 1964 powershell.exe 2756 powershell.exe 2756 powershell.exe 2756 powershell.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 4008 csrss.exe 4008 csrss.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 4008 csrss.exe 4008 csrss.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 4008 csrss.exe 4008 csrss.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 888 powershell.exe Token: SeDebugPrivilege 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Token: SeImpersonatePrivilege 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 2756 powershell.exe Token: SeSystemEnvironmentPrivilege 4008 csrss.exe Token: SeSecurityPrivilege 2720 sc.exe Token: SeSecurityPrivilege 2720 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1516 wrote to memory of 888 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 89 PID 1516 wrote to memory of 888 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 89 PID 1516 wrote to memory of 888 1516 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 89 PID 4544 wrote to memory of 3260 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 98 PID 4544 wrote to memory of 3260 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 98 PID 4544 wrote to memory of 3260 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 98 PID 4544 wrote to memory of 672 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 102 PID 4544 wrote to memory of 672 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 102 PID 672 wrote to memory of 5060 672 cmd.exe 104 PID 672 wrote to memory of 5060 672 cmd.exe 104 PID 4544 wrote to memory of 920 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 105 PID 4544 wrote to memory of 920 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 105 PID 4544 wrote to memory of 920 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 105 PID 4544 wrote to memory of 4056 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 124 PID 4544 wrote to memory of 4056 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 124 PID 4544 wrote to memory of 4056 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 124 PID 4544 wrote to memory of 4008 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 109 PID 4544 wrote to memory of 4008 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 109 PID 4544 wrote to memory of 4008 4544 94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe 109 PID 4008 wrote to memory of 2124 4008 csrss.exe 110 PID 4008 wrote to memory of 2124 4008 csrss.exe 110 PID 4008 wrote to memory of 2124 4008 csrss.exe 110 PID 4008 wrote to memory of 1964 4008 csrss.exe 116 PID 4008 wrote to memory of 1964 4008 csrss.exe 116 PID 4008 wrote to memory of 1964 4008 csrss.exe 116 PID 4008 wrote to memory of 2756 4008 csrss.exe 118 PID 4008 wrote to memory of 2756 4008 csrss.exe 118 PID 4008 wrote to memory of 2756 4008 csrss.exe 118 PID 4008 wrote to memory of 3032 4008 csrss.exe 120 PID 4008 wrote to memory of 3032 4008 csrss.exe 120 PID 4056 wrote to memory of 3588 4056 windefender.exe 126 PID 4056 wrote to memory of 3588 4056 windefender.exe 126 PID 4056 wrote to memory of 3588 4056 windefender.exe 126 PID 3588 wrote to memory of 2720 3588 cmd.exe 127 PID 3588 wrote to memory of 2720 3588 cmd.exe 127 PID 3588 wrote to memory of 2720 3588 cmd.exe 127 -
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\94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe"C:\Users\Admin\AppData\Local\Temp\94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:888
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C:\Users\Admin\AppData\Local\Temp\94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.exe"C:\Users\Admin\AppData\Local\Temp\94d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30.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:4544 -
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:3260
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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:672 -
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:5060
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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:920
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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:4056
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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:4008 -
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:2124
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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:1520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2060
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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:1964
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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:2756
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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:3032
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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:4408
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4056 -
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:3588 -
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:2720
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:116
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
MD5e0d934ae878cb1c94a827ec635c3e681
SHA1d9e95c2cd191a2dbc86780aeae9a11f841fde11a
SHA256887f24f11f502bb40a8a3e66c9192d334b3c0bb93cf521a6784f392bcac46b1a
SHA512361797dbe4dcd296dec48d16d5576884d689258968e8e31d346df7a7cb169db9a4e7288bdea598ae8d9ede60e4e09aeaf15e0465a77ac2c10778324491bc8cf7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6fe11a12614485990830bd4810d2597
SHA16edf3ddae084a3aa2c78f039843823c122928b05
SHA256081f3f681a2bfd197448af99add1eeb44f518b8c249952afa9e0ef99fc60f308
SHA5123af35242b6067985365005c743497151c26ec8b2a224dee08c1f4584b819ef3bd20294d0d762073255d09d68e1a75cbcf2a4120be3d1f323b7cb6e31cf8dfe0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5362a0f9cc2ed012f350e99b96e820d79
SHA16c2c86eda279f5f13648fe4c0578e29e3713d0c4
SHA2561fc2968bbe172590f1e7da522204157c5f6118fc59c70caeda5a467d87bdf811
SHA512b3476ae7a2c5499cb9cf3805ed16a2343c192e1fbb9d46fcc3b0aa4493a14e15f1a24dfab346254e82f5a787a23858c7a7dbee8b934ed6199ec881090aedfb1c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554faf0ff147b36cd90f408c654f58d7e
SHA11628919d650957ea6489a3357261b87b7e70c030
SHA25627fd4c2e071d0b657df53f065cdae5469556b5c2cb60b5e509ff92fd65faf1c4
SHA5127dff155f473a2e8dfea15e7abc98cba18f594b803f9e1e1968fe9046fbdb5631c610ce176d923a3d687d5628591f850903047f3b4058cf1c598f3224f537f0c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5593b7fe709d304cab437f8a17743f2d0
SHA170d560c97d6bf6704085771e7b8c1d3ba6534e08
SHA256389beff09a595edfa88557696654b39bb5df85f33009ce20fdd9ef9295d51d34
SHA51247577bba85399f483a90a1349798b78744e911fe70e8142a1112f9f1b6c5763f7328f6a2465728f62edbe658166305a06d5b1e7089f20a7231e4f7f5d4a5a223
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Filesize
4.1MB
MD5f629b74ca82e982a2b889e450fd0fb58
SHA1e6c7694c3f3b5659e69d5f8e44f08dab3887af2a
SHA25694d6d2287e5dc5db4becac7c0982ca7cc1cbdea6ba3e836f322aa43deb248e30
SHA5124916523a34e09e26a53d79ee0b5db7c1db6cf7c41ff54323d6784aadeb3f2034943dd5148e6a44cb83380dece67b9692722486ed68e0ed91b4430ea9d3deec34
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec