Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe
Resource
win10v2004-20240426-en
General
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Target
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe
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Size
4.1MB
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MD5
0bdad410422ea9b5e9e45de14196859a
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SHA1
be48da1412e5e92b1c5b9b69f69468ccb01b1681
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SHA256
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b
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SHA512
59d15b8a5037e4d3b7bd411b993c55b43e0c3ab7a1e060289ad9c4b8e29ede1cada4450df9562ebf033c2416af3e47868b7aa973b997657170c04895f7df1c3c
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SSDEEP
98304:gafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjY:g4KGRhU7CB2KZRm43qRo3hpTjY
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1616-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/1616-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1616-58-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/1616-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4648 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1524 csrss.exe 2124 injector.exe 3580 windefender.exe 5100 windefender.exe -
resource yara_rule behavioral1/files/0x0012000000023407-220.dat upx behavioral1/memory/3580-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3580-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5100-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5100-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5100-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 -
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 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe File created C:\Windows\rss\csrss.exe c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1864 sc.exe -
pid Process 3264 powershell.exe 1484 powershell.exe 4936 powershell.exe 4452 powershell.exe 3776 powershell.exe 2520 powershell.exe 4844 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5004 schtasks.exe 4592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands 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,-2182 = "Astrakhan Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4844 powershell.exe 4844 powershell.exe 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 3264 powershell.exe 3264 powershell.exe 3264 powershell.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 1484 powershell.exe 1484 powershell.exe 1484 powershell.exe 4936 powershell.exe 4936 powershell.exe 4452 powershell.exe 4452 powershell.exe 3776 powershell.exe 3776 powershell.exe 2520 powershell.exe 2520 powershell.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 1524 csrss.exe 1524 csrss.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 1524 csrss.exe 1524 csrss.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 1524 csrss.exe 1524 csrss.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Token: SeImpersonatePrivilege 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 3776 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeSystemEnvironmentPrivilege 1524 csrss.exe Token: SeSecurityPrivilege 1864 sc.exe Token: SeSecurityPrivilege 1864 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1616 wrote to memory of 4844 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 1616 wrote to memory of 4844 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 1616 wrote to memory of 4844 1616 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 5084 wrote to memory of 3264 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 5084 wrote to memory of 3264 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 5084 wrote to memory of 3264 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 5084 wrote to memory of 1656 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 101 PID 5084 wrote to memory of 1656 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 101 PID 1656 wrote to memory of 4648 1656 cmd.exe 103 PID 1656 wrote to memory of 4648 1656 cmd.exe 103 PID 5084 wrote to memory of 1484 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 104 PID 5084 wrote to memory of 1484 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 104 PID 5084 wrote to memory of 1484 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 104 PID 5084 wrote to memory of 4936 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 106 PID 5084 wrote to memory of 4936 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 106 PID 5084 wrote to memory of 4936 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 106 PID 5084 wrote to memory of 1524 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 108 PID 5084 wrote to memory of 1524 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 108 PID 5084 wrote to memory of 1524 5084 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 108 PID 1524 wrote to memory of 4452 1524 csrss.exe 109 PID 1524 wrote to memory of 4452 1524 csrss.exe 109 PID 1524 wrote to memory of 4452 1524 csrss.exe 109 PID 1524 wrote to memory of 3776 1524 csrss.exe 114 PID 1524 wrote to memory of 3776 1524 csrss.exe 114 PID 1524 wrote to memory of 3776 1524 csrss.exe 114 PID 1524 wrote to memory of 2520 1524 csrss.exe 117 PID 1524 wrote to memory of 2520 1524 csrss.exe 117 PID 1524 wrote to memory of 2520 1524 csrss.exe 117 PID 1524 wrote to memory of 2124 1524 csrss.exe 119 PID 1524 wrote to memory of 2124 1524 csrss.exe 119 PID 3580 wrote to memory of 792 3580 windefender.exe 127 PID 3580 wrote to memory of 792 3580 windefender.exe 127 PID 3580 wrote to memory of 792 3580 windefender.exe 127 PID 792 wrote to memory of 1864 792 cmd.exe 128 PID 792 wrote to memory of 1864 792 cmd.exe 128 PID 792 wrote to memory of 1864 792 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844
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C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.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:5084 -
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:3264
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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:1656 -
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:4648
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936
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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:1524 -
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:4452
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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:4592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4584
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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:3776
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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:2520
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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:2124
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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:5004
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3580 -
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:792 -
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:1864
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5100
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
MD52db3bc0e9f2b10ac2a7d9fc7b243abf1
SHA1d730d7bc3a81bb16e2d02bc7212d1a09f07c77e8
SHA256661a00ea1424e41a2ab5647db5ec3a3ce9d18d8c2e0637b0340589a0192c86e6
SHA512e1581ef5ba383f50d787c0107d6042de9919ba036cd383dbdc6e4942cadccb3f98d9212afdea3f29acb47d61396bebc9f6111c854a3d688302601b2290c0b492
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525cc61c7d731b9e3207da659681aa5c2
SHA1a478a54bec0a54b91414ebb7ef5b7acd166814d8
SHA2568dc988cb63bf0b145c7a6e042379ce284cc2e66e36b25db2b58d839db25dda56
SHA512b387fb71422a451b516c1654bc9263466df93afed946299a56d402eaab30e40b205e9a45b369645e994212cd18277c12b08a272c3d451da04372ce524ce1a310
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531a1ae93660b9569d0fb57b4fcb3acfa
SHA1d183d340730df29f8a8c190a0a67f300bba22007
SHA256537c3318cbd7817ca283bab553323cab769a45fb0ff36d48707ee6b76f62f6fe
SHA51291efc4e85b37aeb1c7fef852e62898301eda3a0722126ce0a3db90593f486f7db689cdb6f7e9568404d7b7097299c5b8550619c01a2fe4be0e0c5814002389ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ad76f4b7ea24391d903185a1762316d
SHA16662ce8ed62e344dbe453bc90b7108f4c3e2b619
SHA256ef4721c11289e19d00f3a925cedc393c8b368227ad78f03663a4c8c1c19a7d84
SHA512bcbc2ff5796647ac3dc4da8b2edd50d3240c4f98fec5dfec189996c49c5276de1fd28f3d29511cab1bf7666a10ad08a9b4df51cb945e62fb9ae61d0c208cd553
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9147b08eaca78506b554bf9152469ca
SHA18d54a55226797b98096e0c6c9b4b217a79c934a2
SHA2564d392ba6fb6c7c214f430a5f682ce3c805a62c32f4b99ef879ea7caa811ef6f4
SHA51211b210fc240083e70c03b858769308c8e6914a67c1ddfcf46b01ae579238df807a10aa5e0f10c146706dd23872c8cc73255bb5d7b1d3ee868e59ab1bd557e218
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Filesize
4.1MB
MD50bdad410422ea9b5e9e45de14196859a
SHA1be48da1412e5e92b1c5b9b69f69468ccb01b1681
SHA256c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b
SHA51259d15b8a5037e4d3b7bd411b993c55b43e0c3ab7a1e060289ad9c4b8e29ede1cada4450df9562ebf033c2416af3e47868b7aa973b997657170c04895f7df1c3c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec