Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe
Resource
win10v2004-20240412-en
General
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Target
7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe
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Size
4.2MB
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MD5
c055c43fe8761a1ea82c73ca1eb27724
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SHA1
526543a67de000c3cbb7d04b2e7a42a4941a3a44
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SHA256
7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d
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SHA512
a7f75ba83dc49bed2e9a2bf67c5453207b7e74cb40a7c92a4a8fea43506769a3d9f6c1ce919860fea2e55b9d9ab19e1df4c0f5621295c9d0c395a321e7dd8da2
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SSDEEP
98304:BqrB5wn4OMCZOc7+DuxcvwRwKkZb9A25YIHnzSUGXdTRu1L6X:uBo4d4+DucuGBGNT0Lm
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2632-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/2632-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3480-56-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral1/memory/3480-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2632-59-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3480-136-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3480-153-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-251-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-263-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3536-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1868 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3536 csrss.exe 4856 injector.exe 4564 windefender.exe 4248 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002342d-256.dat upx behavioral1/memory/4564-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4248-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4248-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4016 sc.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 3276 schtasks.exe 4588 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.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\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4912 powershell.exe 4912 powershell.exe 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 5028 powershell.exe 5028 powershell.exe 5028 powershell.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 924 powershell.exe 924 powershell.exe 924 powershell.exe 4796 powershell.exe 4796 powershell.exe 4796 powershell.exe 544 powershell.exe 544 powershell.exe 544 powershell.exe 2216 powershell.exe 2216 powershell.exe 2216 powershell.exe 2068 powershell.exe 2068 powershell.exe 2068 powershell.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 3536 csrss.exe 3536 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 3536 csrss.exe 3536 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Token: SeImpersonatePrivilege 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 544 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeSystemEnvironmentPrivilege 3536 csrss.exe Token: SeSecurityPrivilege 4016 sc.exe Token: SeSecurityPrivilege 4016 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2632 wrote to memory of 4912 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 88 PID 2632 wrote to memory of 4912 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 88 PID 2632 wrote to memory of 4912 2632 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 88 PID 3480 wrote to memory of 5028 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 99 PID 3480 wrote to memory of 5028 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 99 PID 3480 wrote to memory of 5028 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 99 PID 3480 wrote to memory of 5096 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 104 PID 3480 wrote to memory of 5096 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 104 PID 5096 wrote to memory of 1868 5096 cmd.exe 106 PID 5096 wrote to memory of 1868 5096 cmd.exe 106 PID 3480 wrote to memory of 924 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 107 PID 3480 wrote to memory of 924 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 107 PID 3480 wrote to memory of 924 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 107 PID 3480 wrote to memory of 4796 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 110 PID 3480 wrote to memory of 4796 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 110 PID 3480 wrote to memory of 4796 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 110 PID 3480 wrote to memory of 3536 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 112 PID 3480 wrote to memory of 3536 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 112 PID 3480 wrote to memory of 3536 3480 7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe 112 PID 3536 wrote to memory of 544 3536 csrss.exe 113 PID 3536 wrote to memory of 544 3536 csrss.exe 113 PID 3536 wrote to memory of 544 3536 csrss.exe 113 PID 3536 wrote to memory of 2216 3536 csrss.exe 119 PID 3536 wrote to memory of 2216 3536 csrss.exe 119 PID 3536 wrote to memory of 2216 3536 csrss.exe 119 PID 3536 wrote to memory of 2068 3536 csrss.exe 121 PID 3536 wrote to memory of 2068 3536 csrss.exe 121 PID 3536 wrote to memory of 2068 3536 csrss.exe 121 PID 3536 wrote to memory of 4856 3536 csrss.exe 123 PID 3536 wrote to memory of 4856 3536 csrss.exe 123 PID 4564 wrote to memory of 2648 4564 windefender.exe 131 PID 4564 wrote to memory of 2648 4564 windefender.exe 131 PID 4564 wrote to memory of 2648 4564 windefender.exe 131 PID 2648 wrote to memory of 4016 2648 cmd.exe 132 PID 2648 wrote to memory of 4016 2648 cmd.exe 132 PID 2648 wrote to memory of 4016 2648 cmd.exe 132 -
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\7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe"C:\Users\Admin\AppData\Local\Temp\7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912
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C:\Users\Admin\AppData\Local\Temp\7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.exe"C:\Users\Admin\AppData\Local\Temp\7573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d.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:3480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5028
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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:5096 -
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:1868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:924
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4796
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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:3536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:544
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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:4588
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2068
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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:4856
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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:3276
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4564 -
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:2648 -
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:4016
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4248
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9bb1532e269ee61c057292599799072
SHA17c591d62549b782bc95d4c768509e8d5b0ae5137
SHA256d528cbb335ef69c445863210b6fe5473307b95bab25c671ab22af4314f6286b6
SHA5127f14fd9ec122a4191424407d4f9c8e59e912d731f449fc90beeb36acd6d739c39934ed00e26e3a9b2fab8ee2b254fc996e21741ba8dd8c71874ffab6f5026671
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54eae9668771799b506ce31fae8d0d0ef
SHA1930dfae8d942ea18f42ed3ac80f7155816b87b46
SHA2569f5e33b5be9152bb2a2fc3dddf912b2679e111cb39491e87d13f4283ff3af9c7
SHA5127bfeabd32317588abcf17b5a07bae22d15bcffd2e382b4fdd20ae254af2ae3c80c084ee2255d2c78e723b2d8c68d801b4569185b6edc6d8187ffa47b8526cdbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d8f16b613e8ace0a76d68107a348fbe
SHA1267c8e27097ca2ef72754de3e93a4b06186d4cff
SHA256b747bf34aae99baf9ee89becb0f35aebafff9cd25dbb1fa2b6b3f372a74785a0
SHA512a8cb96fc690ed369e97a78625bc1b2055ea2e2e6a0deac77215f1b8bef496cb5974eec85b16e1f6cce8ad8ae2d618d29d8a55502af0e21517d0bb883a00ed3f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f8aa1a6fe46e55fa0d81fbbae748e3c
SHA1dfd7a0812b95e58d699e1fb48a6c0faca00b1e6b
SHA2561bd4e6af440c69d06d585df8463e3ffcbf3b23d0eeaf74b0f20cf32a812d8030
SHA512217de40cc97ccfd27503466beb30adfe6575433280ac2229d052b707eb2da21b9a718576cee0163235f84a1f351dc89dd66d5f433226cec1d52676de002134de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531c8c92c7b75e2c2ded6866e940df21c
SHA123d24563fbd08f71da2c14093edcbc6ff7703516
SHA2560bcd0d8fe31d365921ba974d777efcaa22d0131fb04c749c85a8993b851b4f96
SHA5127a06ca1584ebdcc138c58d24f7714d29c79e2fc61774483f106619b00b11d689e0c2e39f647a4fd7c8096e9d342f922d8e0c83ada8df41d1d6ad2ef15991ee74
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Filesize
4.2MB
MD5c055c43fe8761a1ea82c73ca1eb27724
SHA1526543a67de000c3cbb7d04b2e7a42a4941a3a44
SHA2567573b969841ca3e34fe7b00d573d10f90a93b4811ff2e63d23025c119b261e0d
SHA512a7f75ba83dc49bed2e9a2bf67c5453207b7e74cb40a7c92a4a8fea43506769a3d9f6c1ce919860fea2e55b9d9ab19e1df4c0f5621295c9d0c395a321e7dd8da2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec