Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe
Resource
win10v2004-20240426-en
General
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Target
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe
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Size
4.1MB
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MD5
020f8317a10199696c559739689f75dd
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SHA1
d18e7ac271b5e303538314de2640455050c4954c
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SHA256
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4
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SHA512
e582ff0c018ca32014c6928476d123155ce73636d4c192356fbc4d9deebbc99a85b40d54cb1dfe592ef5576210e32d9cbadf26331545a70f6b2c5acdb7d3e718
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SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSh:IuOpIddBi3V8Ojm7gWylM939CM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3220-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/3220-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4172-131-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3220-157-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/3220-156-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3220-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1988-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1988-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1816 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1988 csrss.exe 4856 injector.exe 3256 windefender.exe 1316 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023427-218.dat upx behavioral1/memory/3256-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1316-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3256-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1316-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1316-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe File created C:\Windows\rss\csrss.exe 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.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 2368 sc.exe -
pid Process 2640 powershell.exe 1528 powershell.exe 1548 powershell.exe 908 powershell.exe 1912 powershell.exe 2372 powershell.exe 8 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 3008 schtasks.exe 3228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-1931 = "Russia TZ 11 Daylight 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" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.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,-1862 = "Russia TZ 6 Standard Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-1971 = "Belarus Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1548 powershell.exe 1548 powershell.exe 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 908 powershell.exe 908 powershell.exe 908 powershell.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 1912 powershell.exe 1912 powershell.exe 1912 powershell.exe 2372 powershell.exe 2372 powershell.exe 2372 powershell.exe 8 powershell.exe 8 powershell.exe 8 powershell.exe 2640 powershell.exe 2640 powershell.exe 1528 powershell.exe 1528 powershell.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1988 csrss.exe 1988 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1988 csrss.exe 1988 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1988 csrss.exe 1988 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 -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Token: SeImpersonatePrivilege 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Token: SeDebugPrivilege 908 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeSystemEnvironmentPrivilege 1988 csrss.exe Token: SeSecurityPrivilege 2368 sc.exe Token: SeSecurityPrivilege 2368 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3220 wrote to memory of 1548 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 84 PID 3220 wrote to memory of 1548 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 84 PID 3220 wrote to memory of 1548 3220 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 84 PID 4172 wrote to memory of 908 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 96 PID 4172 wrote to memory of 908 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 96 PID 4172 wrote to memory of 908 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 96 PID 4172 wrote to memory of 4496 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 99 PID 4172 wrote to memory of 4496 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 99 PID 4496 wrote to memory of 1816 4496 cmd.exe 101 PID 4496 wrote to memory of 1816 4496 cmd.exe 101 PID 4172 wrote to memory of 1912 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 104 PID 4172 wrote to memory of 1912 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 104 PID 4172 wrote to memory of 1912 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 104 PID 4172 wrote to memory of 2372 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 107 PID 4172 wrote to memory of 2372 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 107 PID 4172 wrote to memory of 2372 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 107 PID 4172 wrote to memory of 1988 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 109 PID 4172 wrote to memory of 1988 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 109 PID 4172 wrote to memory of 1988 4172 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 109 PID 1988 wrote to memory of 8 1988 csrss.exe 110 PID 1988 wrote to memory of 8 1988 csrss.exe 110 PID 1988 wrote to memory of 8 1988 csrss.exe 110 PID 1988 wrote to memory of 2640 1988 csrss.exe 116 PID 1988 wrote to memory of 2640 1988 csrss.exe 116 PID 1988 wrote to memory of 2640 1988 csrss.exe 116 PID 1988 wrote to memory of 1528 1988 csrss.exe 118 PID 1988 wrote to memory of 1528 1988 csrss.exe 118 PID 1988 wrote to memory of 1528 1988 csrss.exe 118 PID 1988 wrote to memory of 4856 1988 csrss.exe 120 PID 1988 wrote to memory of 4856 1988 csrss.exe 120 PID 3256 wrote to memory of 2928 3256 windefender.exe 126 PID 3256 wrote to memory of 2928 3256 windefender.exe 126 PID 3256 wrote to memory of 2928 3256 windefender.exe 126 -
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\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548
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C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.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:4172 -
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:908
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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:4496 -
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:1816
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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:1912
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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:2372
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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:1988 -
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:8
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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:3008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1036
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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:2640
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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:1528
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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:3228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3256 -
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⤵PID:2928
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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:2368
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1316
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
MD58bdf2138598cf6567f23696db367986a
SHA1466cc3889fb183a955efb00b9b3923e34960fa11
SHA256c6b33131245fe008359b8ae9fe7b0865ba9601fda3908351148535bffde3e499
SHA512f66d94d574ef78dd66cafe0ac208ae3c146bb015d6f6b4fca4b6d5583f4895a8b065631a0ed196a892c06959d0e594cb4d0a1dd0b5fde1d978daada7d0bd33e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd36eb078e92a205fc1a066fd95e4cd0
SHA1746663dba8f9355e55dc064b1ea176c5caca0bc1
SHA256ae3c3867a50e74a8906a3e2444254030db50a5f71b3d9255d06b397cb73c0b38
SHA512fee9cbe6f82c8352879ea9324cd1fd94d22c1f6aaa4d1f550597e23b1765e4a6761d14121308e810b3ce0b70da53e6e889eeab6e82bf7ab9e9fc743a407a87ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc97926c24a83cb27355dc5428f361e9
SHA1ed373eb01f0baa77d151ed17c9af0b1b8678aa27
SHA2566655395050113220ac771445706f0dd732c840e6de9465b772a738ce810c271e
SHA5128041d3097e3c0618390b739dba2012bebf07f6db353edcff28bfd8723895d8523baa4957ae8893174b9150f647952426c130d63beef4233bcba0bf36d8eb9d63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576e560eab994af5144480a1af0ddb7d7
SHA180e15af0e95fc680d518e9a40d1de36c77b74fe7
SHA25696b5dfaa18810beb58147c3629b860623fb92d203ca4b9dc63dff004aafc337e
SHA512ea3aea7cd6964ae0f2acd7738b8fb296aa60c94901d1b9d7b0776881c9b376f666ddc4a132eeac2f503158452d32334d0000ffe41e3115626e0537e27ebca795
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553635f3ad1d17c1a0047cb9a83bdcb63
SHA108f3b837b1faf6d69caa46bf33401e98a114d930
SHA2562a80830d7fd2026943499218d21b255e2ad1708cda8515f650460b442b06e139
SHA5126e9f72622d655019f60cccca7031d4ce9d2aeea5ec4f043939277e60e0c28bbef5d9c4e0a70a7a401065abc48bbc03a08ff11e8f91861dabbf69983eca19df5a
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Filesize
4.1MB
MD5020f8317a10199696c559739689f75dd
SHA1d18e7ac271b5e303538314de2640455050c4954c
SHA2561ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4
SHA512e582ff0c018ca32014c6928476d123155ce73636d4c192356fbc4d9deebbc99a85b40d54cb1dfe592ef5576210e32d9cbadf26331545a70f6b2c5acdb7d3e718
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec