Analysis
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max time kernel
149s -
max time network
150s -
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 14:13
Static task
static1
Behavioral task
behavioral1
Sample
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe
Resource
win10v2004-20240426-en
General
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Target
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe
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Size
4.1MB
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MD5
1940b73b82cf8d36c62425eeac71c544
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SHA1
e20db1a43d69f28ebd3c0d066d9f6888b350b87b
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SHA256
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120
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SHA512
8815a277c7e8a77aca1a43145fec3b7c23b711c0ecf3a0247b4d0a6c4d63ce038bef64ea382fc01f3e2a67ed21bda1c7f80009efae2a5ada5b5318aa5fb0d8a6
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SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSg:QuOpIddBi3V8Ojm7gWylM939Cd
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3556-2-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/3556-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3556-132-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/3556-130-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4364-167-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3556-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/216-213-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-260-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-263-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/216-267-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3820 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 216 csrss.exe 4676 injector.exe 4796 windefender.exe 5072 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0007000000023440-217.dat upx behavioral1/memory/4796-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4796-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5072-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5072-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe -
Drops file in Windows directory 4 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe File created C:\Windows\rss\csrss.exe 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3144 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3612 powershell.exe 1736 powershell.exe 1696 powershell.exe 2272 powershell.exe 3820 powershell.exe 2672 powershell.exe 2520 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3332 schtasks.exe 1084 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.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\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2520 powershell.exe 2520 powershell.exe 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 3612 powershell.exe 3612 powershell.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 1736 powershell.exe 1736 powershell.exe 1736 powershell.exe 1696 powershell.exe 1696 powershell.exe 1696 powershell.exe 2272 powershell.exe 2272 powershell.exe 3820 powershell.exe 3820 powershell.exe 2672 powershell.exe 2672 powershell.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 216 csrss.exe 216 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 216 csrss.exe 216 csrss.exe 4676 injector.exe 4676 injector.exe 216 csrss.exe 216 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Token: SeImpersonatePrivilege 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeDebugPrivilege 2272 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeSystemEnvironmentPrivilege 216 csrss.exe Token: SeSecurityPrivilege 3144 sc.exe Token: SeSecurityPrivilege 3144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3556 wrote to memory of 2520 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 85 PID 3556 wrote to memory of 2520 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 85 PID 3556 wrote to memory of 2520 3556 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 85 PID 4364 wrote to memory of 3612 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4364 wrote to memory of 3612 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4364 wrote to memory of 3612 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4364 wrote to memory of 3332 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 97 PID 4364 wrote to memory of 3332 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 97 PID 3332 wrote to memory of 3820 3332 cmd.exe 99 PID 3332 wrote to memory of 3820 3332 cmd.exe 99 PID 4364 wrote to memory of 1736 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 101 PID 4364 wrote to memory of 1736 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 101 PID 4364 wrote to memory of 1736 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 101 PID 4364 wrote to memory of 1696 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 105 PID 4364 wrote to memory of 1696 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 105 PID 4364 wrote to memory of 1696 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 105 PID 4364 wrote to memory of 216 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 108 PID 4364 wrote to memory of 216 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 108 PID 4364 wrote to memory of 216 4364 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 108 PID 216 wrote to memory of 2272 216 csrss.exe 109 PID 216 wrote to memory of 2272 216 csrss.exe 109 PID 216 wrote to memory of 2272 216 csrss.exe 109 PID 216 wrote to memory of 3820 216 csrss.exe 115 PID 216 wrote to memory of 3820 216 csrss.exe 115 PID 216 wrote to memory of 3820 216 csrss.exe 115 PID 216 wrote to memory of 2672 216 csrss.exe 117 PID 216 wrote to memory of 2672 216 csrss.exe 117 PID 216 wrote to memory of 2672 216 csrss.exe 117 PID 216 wrote to memory of 4676 216 csrss.exe 119 PID 216 wrote to memory of 4676 216 csrss.exe 119 PID 4796 wrote to memory of 1252 4796 windefender.exe 126 PID 4796 wrote to memory of 1252 4796 windefender.exe 126 PID 4796 wrote to memory of 1252 4796 windefender.exe 126 PID 1252 wrote to memory of 3144 1252 cmd.exe 127 PID 1252 wrote to memory of 3144 1252 cmd.exe 127 PID 1252 wrote to memory of 3144 1252 cmd.exe 127 -
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\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520
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C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.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:4364 -
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:3612
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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:3332 -
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:3820
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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:1736
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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:1696
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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:216 -
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:2272
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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:3332
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3084
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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:3820
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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:2672
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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:4676
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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:1084
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4796 -
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:1252 -
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:3144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5072
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
MD5a1622506fabe373e81b2c56a292158bb
SHA16c9f8c5ffabaa6ad1ad37de9cf18aa5be69bc5d4
SHA256ce3d8d5dff3f204e312efd9af8443bcc2f1ed56e7983b9fcf36f5b80d25928ff
SHA51285f9e7e3ea38dbeabdd5a71b4885d97463d919d5df36ac1ba9c0a599c7559b2e2b0c0d142b5cae268d5186a74e9ec3f1d25ba84fb9c90501b18788138a5f11a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562bc074db58fbbbba1ce48a850b76362
SHA186c145740299a38cdd65d6acc13bfc6e04b61496
SHA256131afd363396ccd4613f9f170363f0ea5d87a33764eb0e17ad00e12e2e2b6d87
SHA5121fd964014857d66b9f2705e7d4878fc19e1b7ac0457b013997e602a127b9534d06ebcfca9898d751f474e00e9f77736deb000977720bfbc66f56a555a8ab1f2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516e7383f710dbaf4cfa14a098b01d24e
SHA1551a959c235e71d15803429e480852bffbf8f8c1
SHA2561bbf219fc31833557d08032375d64e19d460b04ea655d6308aacfcc1637e819b
SHA512ff7b09ae4430b4e73016663c009b16cdcfba461a28c446a94d18cfe5c2974e88ecdd8779d80257c223e7bd10d462375e6729351bd0d594614a595d624fb1cd0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a77d7bf2cc864f5544ebdf28507f544
SHA1242d67eee9af4c6cadc8f6b4df3e070e03792a2e
SHA25682f46fe8e26414fff9b3822981d2bca7d33c1fb3740021b15aad1e53bc07f5cd
SHA512bf20bb6cb1285f3561a9776efdfca7a56fa7e2785fa592e62dc862f70fa19b94d95b38139615419529d1ca5c97e3683194f5aaec52e486b76cce4bc6979551d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cd6c5b610f4495fec4e8af7ba21e0f0
SHA10736346172f240f871874c60a30320411b148c20
SHA256846267bd0c80588556fd90f94e80499926476540806953df3f5b6bf21039fe6e
SHA512bbc3e942dc83172ae37cff5fc7cbf8e3db10d7213106d8cedfb5b245ef990dafed19baa63ffc052d03d052176015a66425bcdc158e5cee9e6817c103f71a93ef
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Filesize
4.1MB
MD51940b73b82cf8d36c62425eeac71c544
SHA1e20db1a43d69f28ebd3c0d066d9f6888b350b87b
SHA2566c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120
SHA5128815a277c7e8a77aca1a43145fec3b7c23b711c0ecf3a0247b4d0a6c4d63ce038bef64ea382fc01f3e2a67ed21bda1c7f80009efae2a5ada5b5318aa5fb0d8a6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec