Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe
Resource
win10v2004-20240508-en
General
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Target
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe
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Size
4.1MB
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MD5
b2373e36467f1af28c33cc1d9bf7bfe3
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SHA1
72c4e7a9c41c07ff2c2cedbab9cd344160ead3d8
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SHA256
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd
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SHA512
fe917a13107aee2a1c304d0f7af43e3d6d21d0a3665151201c5a8ee349f6c127a6ff9839af19c596697f6e5f6d1a9c13aa7f56e08ee08dc8c7fc2371d1b30b8d
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:ALmIkbquibpii2yAk4+2fEKmbh
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3096-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/3096-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3096-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3096-84-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/2256-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4244-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1308 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4244 csrss.exe 4024 injector.exe 1408 windefender.exe 1980 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1408-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1980-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1408-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1980-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1980-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 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:
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe -
Drops file in Windows directory 4 IoCs
Processes:
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe File created C:\Windows\rss\csrss.exe 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.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 5080 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 5080 powershell.exe 388 powershell.exe 4980 powershell.exe 2576 powershell.exe 4492 powershell.exe 1864 powershell.exe 4944 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 4628 schtasks.exe 2348 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exe58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-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,-2942 = "Sao Tome Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.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,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exepowershell.exe58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4980 powershell.exe 4980 powershell.exe 4980 powershell.exe 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2576 powershell.exe 2576 powershell.exe 2576 powershell.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe 4492 powershell.exe 4492 powershell.exe 4492 powershell.exe 1864 powershell.exe 1864 powershell.exe 1864 powershell.exe 4944 powershell.exe 4944 powershell.exe 4944 powershell.exe 5080 powershell.exe 5080 powershell.exe 5080 powershell.exe 388 powershell.exe 388 powershell.exe 388 powershell.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4244 csrss.exe 4244 csrss.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4244 csrss.exe 4244 csrss.exe 4024 injector.exe 4024 injector.exe 4244 csrss.exe 4244 csrss.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Token: SeImpersonatePrivilege 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 4492 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 388 powershell.exe Token: SeSystemEnvironmentPrivilege 4244 csrss.exe Token: SeSecurityPrivilege 5080 sc.exe Token: SeSecurityPrivilege 5080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3096 wrote to memory of 4980 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 3096 wrote to memory of 4980 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 3096 wrote to memory of 4980 3096 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 2576 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 2576 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 2576 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 4316 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe cmd.exe PID 2256 wrote to memory of 4316 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe cmd.exe PID 4316 wrote to memory of 1308 4316 cmd.exe netsh.exe PID 4316 wrote to memory of 1308 4316 cmd.exe netsh.exe PID 2256 wrote to memory of 4492 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 4492 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 4492 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 1864 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 1864 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 1864 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe powershell.exe PID 2256 wrote to memory of 4244 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe csrss.exe PID 2256 wrote to memory of 4244 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe csrss.exe PID 2256 wrote to memory of 4244 2256 58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe csrss.exe PID 4244 wrote to memory of 4944 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 4944 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 4944 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 5080 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 5080 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 5080 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 388 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 388 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 388 4244 csrss.exe powershell.exe PID 4244 wrote to memory of 4024 4244 csrss.exe injector.exe PID 4244 wrote to memory of 4024 4244 csrss.exe injector.exe PID 1408 wrote to memory of 1852 1408 windefender.exe cmd.exe PID 1408 wrote to memory of 1852 1408 windefender.exe cmd.exe PID 1408 wrote to memory of 1852 1408 windefender.exe cmd.exe PID 1852 wrote to memory of 5080 1852 cmd.exe sc.exe PID 1852 wrote to memory of 5080 1852 cmd.exe sc.exe PID 1852 wrote to memory of 5080 1852 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\58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe"C:\Users\Admin\AppData\Local\Temp\58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980 -
C:\Users\Admin\AppData\Local\Temp\58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.exe"C:\Users\Admin\AppData\Local\Temp\58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd.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:2256 -
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:2576 -
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:4316 -
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:1308 -
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:4492 -
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:1864 -
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:4244 -
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:4944 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4628 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4768
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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:5080 -
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:388 -
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:4024 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2348 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1408 -
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:1852 -
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:5080
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:81⤵PID:2312
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1980
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
MD503efe5a24f529c4522e035101938f7e1
SHA1465f79de24d671898bc9d8fa2fc4afddc76e00de
SHA25642c32a0500f896f6e40385311c7f2d67458b6c15b6c70bb4c760c4997c5ce9cf
SHA512f43196628ba62257a38f10c191d23e9d161d54cadd514d17731e6f6ddf7f7c89be6f33cc14d65e917688a224fd57fe35886b709c820649e4f6dd2a5f2cfe49e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5944500d7cefd32633e6cedfda6f9bfd0
SHA1bb842ea11284882e77b64d7d07004aefb4fb7dec
SHA2564880423d5fe4fa0dcd8f8ca23c08bd0972dcc41874a63dcf6626f4f45a06afdf
SHA512f9b02a46ab0128313a638c5b53cb95c6da5974557144bd90562a4ae662c7fab597ce69ab8ea905ce50fa90200dbabcbf452f1b2774272d0a8de4697fd77e2fea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5439bc8d311ece9880dadae130f26c26b
SHA12fadc06afdf922a88098e56d75634a06c21b6fde
SHA25690653f5813da72116aaafa903f2269c887fd59fcbb767c79841fc5417e7c864c
SHA5125e82f1a48694d86fe0328331eba72bffaf2b30ac1744a024f77c2833787d1e5242655203f549b7673788e0e9c27093fe6d5ab421aeba6ec6fd7a396776173931
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc317936901b32dc6fa75eca197235ab
SHA17538317b3704e5bb4809aa02d838fab872367b6b
SHA2563956ef7629f882835d347657775cf32a4052578886e39b50a4c16bbaead7af46
SHA512103d998320a58c97b71a498892a7f6822e36aee2b800e895c93718c300fdeba83f5c7f1f815eaac0ead5540a5ae92640471f1584c8e1f62ea8cb664b7d374ef5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e8e27e1605e617c50d5ea44e1a576fb
SHA1126363ec336e58243b3ac764d65de86ab4c49d6e
SHA2562da6f01fbf2df636ff6d30ee449f51db4614b455f7a9e3dc49b55239c2232059
SHA512a671a3e8cc626a49afb6177fe78c3fb4c535a452a461026e76b30bd817dfcf028bf7aa13ce1909359a94ee161b56fb5ed1d6c6c40c36925da529d10f556803f1
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Filesize
4.1MB
MD5b2373e36467f1af28c33cc1d9bf7bfe3
SHA172c4e7a9c41c07ff2c2cedbab9cd344160ead3d8
SHA25658b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd
SHA512fe917a13107aee2a1c304d0f7af43e3d6d21d0a3665151201c5a8ee349f6c127a6ff9839af19c596697f6e5f6d1a9c13aa7f56e08ee08dc8c7fc2371d1b30b8d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec