Analysis
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max time kernel
149s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:10
Static task
static1
Behavioral task
behavioral1
Sample
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe
Resource
win10v2004-20240508-en
General
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Target
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe
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Size
4.1MB
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MD5
4aafdc4c598c33d6fdad61f712c86442
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SHA1
d9e42f0338fd23c46290305a5edc070e3bfd5f71
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SHA256
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4
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SHA512
29298416a819a4026600414767c65eac2db636471b5c819783737d1ddc7005e3b4c8d77ab524e6e02f7fcf65fa019effae2b96c281eddd461bdb826c31c17ebc
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9n6:uQAQcDPYxuCJe7X5ghf6
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/2128-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/2128-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2128-75-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2128-98-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/648-120-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2128-149-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3020-200-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3020-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4364 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3020 csrss.exe 3960 injector.exe 4600 windefender.exe 2132 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4600-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4600-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 -
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:
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe -
Drops file in Windows directory 4 IoCs
Processes:
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.execsrss.exedescription ioc process File opened for modification C:\Windows\rss d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe File created C:\Windows\rss\csrss.exe d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.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.
Processes:
sc.exepid process 4884 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3924 powershell.exe 3972 powershell.exe 980 powershell.exe 4492 powershell.exe 1224 powershell.exe 2180 powershell.exe 2556 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 5072 schtasks.exe 4984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-451 = "Caucasus 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" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.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,-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,-342 = "Egypt Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-1472 = "Magadan Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic 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" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard 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,-2392 = "Aleutian Standard Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exepowershell.exed0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4492 powershell.exe 4492 powershell.exe 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 1224 powershell.exe 1224 powershell.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe 2180 powershell.exe 2180 powershell.exe 2556 powershell.exe 2556 powershell.exe 3924 powershell.exe 3924 powershell.exe 3972 powershell.exe 3972 powershell.exe 980 powershell.exe 980 powershell.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3020 csrss.exe 3020 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3020 csrss.exe 3020 csrss.exe 3960 injector.exe 3960 injector.exe 3020 csrss.exe 3020 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4492 powershell.exe Token: SeDebugPrivilege 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Token: SeImpersonatePrivilege 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 3924 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 980 powershell.exe Token: SeSystemEnvironmentPrivilege 3020 csrss.exe Token: SeSecurityPrivilege 4884 sc.exe Token: SeSecurityPrivilege 4884 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exed0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2128 wrote to memory of 4492 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 2128 wrote to memory of 4492 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 2128 wrote to memory of 4492 2128 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 1224 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 1224 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 1224 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 3960 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe cmd.exe PID 648 wrote to memory of 3960 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe cmd.exe PID 3960 wrote to memory of 4364 3960 cmd.exe netsh.exe PID 3960 wrote to memory of 4364 3960 cmd.exe netsh.exe PID 648 wrote to memory of 2180 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 2180 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 2180 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 2556 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 2556 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 2556 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe powershell.exe PID 648 wrote to memory of 3020 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe csrss.exe PID 648 wrote to memory of 3020 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe csrss.exe PID 648 wrote to memory of 3020 648 d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe csrss.exe PID 3020 wrote to memory of 3924 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3924 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3924 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3972 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3972 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3972 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 980 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 980 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 980 3020 csrss.exe powershell.exe PID 3020 wrote to memory of 3960 3020 csrss.exe injector.exe PID 3020 wrote to memory of 3960 3020 csrss.exe injector.exe PID 4600 wrote to memory of 2180 4600 windefender.exe cmd.exe PID 4600 wrote to memory of 2180 4600 windefender.exe cmd.exe PID 4600 wrote to memory of 2180 4600 windefender.exe cmd.exe PID 2180 wrote to memory of 4884 2180 cmd.exe sc.exe PID 2180 wrote to memory of 4884 2180 cmd.exe sc.exe PID 2180 wrote to memory of 4884 2180 cmd.exe sc.exe -
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\d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe"C:\Users\Admin\AppData\Local\Temp\d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492 -
C:\Users\Admin\AppData\Local\Temp\d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.exe"C:\Users\Admin\AppData\Local\Temp\d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4.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:648 -
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:1224 -
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:3960 -
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:4364 -
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:2180 -
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:2556 -
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:3020 -
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:3924 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4984 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1572
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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:3972 -
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:980 -
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:3960 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5072 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4600 -
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:2180 -
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:4884
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2132
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e9675cf0e52b86ef5b3430234d0436d
SHA1d1f13940ad2924bc2231e70ddf2bf3f2842950cf
SHA256f5e68744698eed2d2b46747f0ac33905828189659dd1aac9b4a63f1cbb4e45b0
SHA512fbe6288bab9ebbb813b29b58731ec644b14acc499f56dd4174159879dcaf6d00d04092c6d8737bcb1ea8b70bcf23f716d3e956af4684f12a5a871b7510f71611
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b62b9e0a199525a5c2048d71a119cdfc
SHA1b2662d55aa8aa5f270440bc6865ce99e57b925f7
SHA2562461fa9953934462dc684eee89fe5fb9899e5327e9a36947d9d3037b11f58337
SHA512f0d93017d845f6b1d6edd7b701c77d7cbba0feec0f2ca31bb455c1b86b699b67f8967304d347f1d0684fa37c866025a752c6527eaea77d77b62efbbaa8adf813
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e4326e0b92c45852ae5cc8b40d89bdc
SHA1b3754dcf44e718816323ae30d2475d03d0e1439a
SHA256458a52e4204f0c7070a8718d6f64e0403a6a26a51c77e197d70552d4f1c3d31f
SHA5122fb61bde08f287014d5c878cb7e7da11d4bfb0ceca21e473d3216076491ad63ec7c8606e35634f5375795761dd0dfc72fe5e260a6ed7e33af2cb766160ab9f32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5084ee729a8c5fb9c95a217bea9e9ff41
SHA1ff5dc30222c0abbf29410b3fea88625b4441f13a
SHA256af9344dd5e5d6e5a4ca1b0c5acea30eb87b6691700ec23d159d67f5d4e815009
SHA512793901a9eaac1d0de9276a405330f22f652afc1074c88af1aeec39f603df0f38ddfad63b668104c7fc7af7bb247476fd0746332ef801faa688f899cd54862192
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59129963ae6326ab02f3b709323890fc4
SHA1c0e7373e3ab74d031e692b6b8fd57e206d146c4d
SHA256e6257c3d630f7d4f5357378a41f354c61313e9e866b5b5ec81e539adfc15f4c4
SHA5129e4cc791ef7824f32494febe5d1e0114c935fdbe2b9f192c19a95cd51f74b9404669aef4c5d2efeb37aa5068aeecc9e29bb242f091702e6f74bc70472f91c795
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Filesize
4.1MB
MD54aafdc4c598c33d6fdad61f712c86442
SHA1d9e42f0338fd23c46290305a5edc070e3bfd5f71
SHA256d0fd84f4319935f7089242e8ca7b97c8d7335d6939f6671b15f9d9422f03f5b4
SHA51229298416a819a4026600414767c65eac2db636471b5c819783737d1ddc7005e3b4c8d77ab524e6e02f7fcf65fa019effae2b96c281eddd461bdb826c31c17ebc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec