Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe
Resource
win10v2004-20240412-en
General
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Target
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe
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Size
4.2MB
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MD5
a10bcc6a85c9c95dc26a9f2ddac2a3d8
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SHA1
c31741a560b5e2997484e01caa69bfa55ca0ea62
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SHA256
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0
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SHA512
c9ec8459393d43e7bc48b9ee17ef33f8b441d3b27e2c56aa119be714a524c3fa97dac2ecb7395a95a40f16d7dc0c2b44f54748a5efeb58711a72106a3746a153
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SSDEEP
98304:J00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGH:LpJcNpX++PyaASVpB6k+
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4340-2-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral2/memory/4340-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4340-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4340-54-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral2/memory/3504-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3504-127-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3504-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3196-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3196 csrss.exe 1888 injector.exe 4480 windefender.exe 416 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c3-246.dat upx behavioral2/memory/4480-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/416-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/416-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe File created C:\Windows\rss\csrss.exe 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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 3580 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 1692 schtasks.exe 2868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka 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" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1136 powershell.exe 1136 powershell.exe 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 832 powershell.exe 832 powershell.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 1348 powershell.exe 1348 powershell.exe 3936 powershell.exe 3936 powershell.exe 720 powershell.exe 720 powershell.exe 1116 powershell.exe 1116 powershell.exe 4684 powershell.exe 4684 powershell.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 3196 csrss.exe 3196 csrss.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 3196 csrss.exe 3196 csrss.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 3196 csrss.exe 3196 csrss.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe 1888 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Token: SeImpersonatePrivilege 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 1348 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeSystemEnvironmentPrivilege 3196 csrss.exe Token: SeSecurityPrivilege 3580 sc.exe Token: SeSecurityPrivilege 3580 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4340 wrote to memory of 1136 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 81 PID 4340 wrote to memory of 1136 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 81 PID 4340 wrote to memory of 1136 4340 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 81 PID 3504 wrote to memory of 832 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 87 PID 3504 wrote to memory of 832 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 87 PID 3504 wrote to memory of 832 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 87 PID 3504 wrote to memory of 1364 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 89 PID 3504 wrote to memory of 1364 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 89 PID 1364 wrote to memory of 2284 1364 cmd.exe 91 PID 1364 wrote to memory of 2284 1364 cmd.exe 91 PID 3504 wrote to memory of 1348 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 92 PID 3504 wrote to memory of 1348 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 92 PID 3504 wrote to memory of 1348 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 92 PID 3504 wrote to memory of 3936 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 94 PID 3504 wrote to memory of 3936 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 94 PID 3504 wrote to memory of 3936 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 94 PID 3504 wrote to memory of 3196 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 96 PID 3504 wrote to memory of 3196 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 96 PID 3504 wrote to memory of 3196 3504 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 96 PID 3196 wrote to memory of 720 3196 csrss.exe 97 PID 3196 wrote to memory of 720 3196 csrss.exe 97 PID 3196 wrote to memory of 720 3196 csrss.exe 97 PID 3196 wrote to memory of 1116 3196 csrss.exe 103 PID 3196 wrote to memory of 1116 3196 csrss.exe 103 PID 3196 wrote to memory of 1116 3196 csrss.exe 103 PID 3196 wrote to memory of 4684 3196 csrss.exe 105 PID 3196 wrote to memory of 4684 3196 csrss.exe 105 PID 3196 wrote to memory of 4684 3196 csrss.exe 105 PID 3196 wrote to memory of 1888 3196 csrss.exe 107 PID 3196 wrote to memory of 1888 3196 csrss.exe 107 PID 4480 wrote to memory of 1680 4480 windefender.exe 113 PID 4480 wrote to memory of 1680 4480 windefender.exe 113 PID 4480 wrote to memory of 1680 4480 windefender.exe 113 PID 1680 wrote to memory of 3580 1680 cmd.exe 114 PID 1680 wrote to memory of 3580 1680 cmd.exe 114 PID 1680 wrote to memory of 3580 1680 cmd.exe 114 -
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\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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:3504 -
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:832
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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:1364 -
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:2284
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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:1348
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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:3936
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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:3196 -
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:720
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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:1692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3120
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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:1116
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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:4684
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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:1888
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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:2868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4480 -
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:1680 -
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:3580
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:416
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c373bc250f632319a98b8b6b19d8b70
SHA15a6488f5213297b0d4ac008b7c39f5ff041ff9d8
SHA2565359a64321a14255744aff84e733e162af7005026dc7c0f88818de6fd8a69c18
SHA512a67a790a2307ae2de797164638f2941e19ed10765c3d6f33a35460a46362bca473e0abd12b539454dcb6ca5fbed9da13eb866aaec1003fe4ea8039e040c3d26a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c41020dbb922c4bf5121c12f9cc6daa1
SHA1ab6417bc92fb27c3e05212fcd621caffe4864baf
SHA256f8e77d71244238696a30320606084247eb5ece65fbd815df33a7e55eb097b475
SHA512ded35dd859eb8a5e540c6fddcb87420a6122b1db6d19775910f595e19405d001aa9a4f40aadfa771dc2e6ec3585728132b8e6963b517fd1989a98a89d204c832
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1b2bd9531dc3b9ba6bc4e929cb963fb
SHA1e1c063991d3c6df49d462b1c2557e5b4449ae81a
SHA2560c21918578ac136cc067e34eaa015030af26cd5dedda221ea8579adebf2def68
SHA51283f88d2e476f95a29b16ea7a71a54e6b6a17c01de81ebc961082a89f23417eb75a8ac875cb55676203a976c0cfea54088281e53c8076b9b5f72c8439a5b4b81b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d65f9cc694fc1aa77859435b205d0ca7
SHA156cb68e706f9b111dab7e7152b0454dc8ee35092
SHA25643fa2f724ae94f95925bc62e2c1d885153ce41ce5cda9ab2dfb22ed100aeb5a7
SHA51233ea5ec63a5375a7a5b5aba8212a7d64e2e5a04e2fb62f2027b53073dd87fd1f802b053c21f00b05a2263e4c586975d9294cbb0a9cf26db835461f3a79e5cae9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7d6de477b926d814e554cf7e0d82712
SHA1cb3cf7f74d48d7b7671ac5d4bdebd58ee991c829
SHA2563d71e0385b12dc7badbeac21eea9769a55ea832467b3260fb8cd5c98678db171
SHA5125831ac09fb1b22c56f9e5b6b76d39de9f7cfea38b2bcc5e359b550881a6454245ebcecb256ee2cf5ee0b8e4793b5cfb50b8a94614731dab7ccc2b78d64a5ba1d
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Filesize
4.2MB
MD5a10bcc6a85c9c95dc26a9f2ddac2a3d8
SHA1c31741a560b5e2997484e01caa69bfa55ca0ea62
SHA256348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0
SHA512c9ec8459393d43e7bc48b9ee17ef33f8b441d3b27e2c56aa119be714a524c3fa97dac2ecb7395a95a40f16d7dc0c2b44f54748a5efeb58711a72106a3746a153
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec