Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 04:24
Static task
static1
Behavioral task
behavioral1
Sample
531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe
Resource
win10v2004-20240508-en
General
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Target
531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe
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Size
4.1MB
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MD5
ba49a793688f2bda96b759608bb621e6
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SHA1
1ede6cf35f51391e0ada19ab1476194008b91fd3
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SHA256
531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f
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SHA512
37dd616cad979b6388ff6a26857bf5e044c4f861a203972090cb9d3df8ee509848b01f4d018d43a2a896ff7ad47b5e31ca3ef4577f98edb9388a176469850455
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SSDEEP
98304:J96GAmuNBigEkoqfZTwC6uGlBZNljS4jcv:JI9hoq9wC6uGlB/xgv
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4168-2-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/4168-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-58-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4168-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4168-82-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/4484-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1216-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 832 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1216 csrss.exe 4292 injector.exe 2268 windefender.exe 2256 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023402-200.dat upx behavioral1/memory/2268-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2256-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2256-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2256-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File 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 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 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe File created C:\Windows\rss\csrss.exe 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4824 sc.exe -
pid Process 3128 powershell.exe 4580 powershell.exe 4092 powershell.exe 4932 powershell.exe 2880 powershell.exe 1244 powershell.exe 2400 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 636 schtasks.exe 4356 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,-52 = "Greenland Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.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,-652 = "AUS Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.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" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight 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\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4580 powershell.exe 4580 powershell.exe 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4092 powershell.exe 4092 powershell.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 4932 powershell.exe 4932 powershell.exe 2880 powershell.exe 2880 powershell.exe 1244 powershell.exe 1244 powershell.exe 2400 powershell.exe 2400 powershell.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 1216 csrss.exe 1216 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 1216 csrss.exe 1216 csrss.exe 4292 injector.exe 4292 injector.exe 1216 csrss.exe 1216 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Token: SeImpersonatePrivilege 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 4932 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeSystemEnvironmentPrivilege 1216 csrss.exe Token: SeSecurityPrivilege 4824 sc.exe Token: SeSecurityPrivilege 4824 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4168 wrote to memory of 4580 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 87 PID 4168 wrote to memory of 4580 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 87 PID 4168 wrote to memory of 4580 4168 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 87 PID 4484 wrote to memory of 4092 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 98 PID 4484 wrote to memory of 4092 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 98 PID 4484 wrote to memory of 4092 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 98 PID 4484 wrote to memory of 2492 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 101 PID 4484 wrote to memory of 2492 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 101 PID 2492 wrote to memory of 832 2492 cmd.exe 103 PID 2492 wrote to memory of 832 2492 cmd.exe 103 PID 4484 wrote to memory of 4932 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 104 PID 4484 wrote to memory of 4932 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 104 PID 4484 wrote to memory of 4932 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 104 PID 4484 wrote to memory of 2880 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 106 PID 4484 wrote to memory of 2880 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 106 PID 4484 wrote to memory of 2880 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 106 PID 4484 wrote to memory of 1216 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 108 PID 4484 wrote to memory of 1216 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 108 PID 4484 wrote to memory of 1216 4484 531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe 108 PID 1216 wrote to memory of 1244 1216 csrss.exe 109 PID 1216 wrote to memory of 1244 1216 csrss.exe 109 PID 1216 wrote to memory of 1244 1216 csrss.exe 109 PID 1216 wrote to memory of 2400 1216 csrss.exe 115 PID 1216 wrote to memory of 2400 1216 csrss.exe 115 PID 1216 wrote to memory of 2400 1216 csrss.exe 115 PID 1216 wrote to memory of 3128 1216 csrss.exe 117 PID 1216 wrote to memory of 3128 1216 csrss.exe 117 PID 1216 wrote to memory of 3128 1216 csrss.exe 117 PID 1216 wrote to memory of 4292 1216 csrss.exe 120 PID 1216 wrote to memory of 4292 1216 csrss.exe 120 PID 2268 wrote to memory of 2504 2268 windefender.exe 127 PID 2268 wrote to memory of 2504 2268 windefender.exe 127 PID 2268 wrote to memory of 2504 2268 windefender.exe 127 PID 2504 wrote to memory of 4824 2504 cmd.exe 128 PID 2504 wrote to memory of 4824 2504 cmd.exe 128 PID 2504 wrote to memory of 4824 2504 cmd.exe 128 -
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\531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe"C:\Users\Admin\AppData\Local\Temp\531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4580
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C:\Users\Admin\AppData\Local\Temp\531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.exe"C:\Users\Admin\AppData\Local\Temp\531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f.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:4484 -
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:4092
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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:2492 -
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:832
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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:4932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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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:1216 -
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:1244
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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:636
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1312
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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:2400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:3128
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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:4292
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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:4356
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2268 -
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:2504 -
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:4824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2256
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b352beb83e8da957a0f545846821a15
SHA1a2340faa9168dea07ec380fcc5e2eb5d8144ed60
SHA256b48b862090de79f631a963f6fb0298641d552f1495579333b6350a60df2c5d6c
SHA5126745a06f4a331d39d21cea681bf12b5ce2c96c382acabd25417340128e05c7d61e90d95fea2bc2fcbbcb7c7bc57d424d47091f4d93770433af41eeeffc85be05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d300f7d1d095fb9a3a7fa7fc4c1d98c0
SHA100dab8c8cc32ed700b288b8f8ccb9c64b490cfd1
SHA25679c972a0679fcbd6e32270cbd0af6a7387dd808ec5e5ad40b2ccf156cee3e85c
SHA5122e80d9cd166480eaf5058018527cee8c50c6e579c0972a2d0bdb2c12ebcf0522fb8dcd347e1e15f304a6da5e3a3360a5bd54628bae49325e6fbbe93a5fa788d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5084398b582ef542ad6a465f3a9e18331
SHA118f8284f4f32a6a8214c8a19d4a9de142cbbe172
SHA256c60303a859d38ebd8d2fb85762b2e4efa74b82d3c64da0850019b8850314173a
SHA512a94354661021cc600c3a0c672cfc2f6dc070ef66cfefd7f330bc9d5b7ab5a927f893b127dfc8959993f1876104be9cf2695a0f14e78fe055f72acee2fbd791fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558742d0d327acb39d53409dd300ec576
SHA1315170ea43fed8629864b4b8c7874d76f06e94d5
SHA256fcab4d992a11e3beff7819d8adddb6449c22fac6a0703593299660510ef86a45
SHA51271216dcfd3aba16bdd6fbd1aefd4cf8d5a730cde70af0b1fbea001ee265c24f3d35027139c671f53d1cfb28a48e7905a09510a1ca02885c4ced579d0656c881b
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Filesize
4.1MB
MD5ba49a793688f2bda96b759608bb621e6
SHA11ede6cf35f51391e0ada19ab1476194008b91fd3
SHA256531922390b051ccefe8e7594c491ee301770ac2c3802dda2478b8ea0a5b1ac2f
SHA51237dd616cad979b6388ff6a26857bf5e044c4f861a203972090cb9d3df8ee509848b01f4d018d43a2a896ff7ad47b5e31ca3ef4577f98edb9388a176469850455
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec