Analysis
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max time kernel
36s -
max time network
140s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:09
Static task
static1
Behavioral task
behavioral1
Sample
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe
Resource
win10v2004-20240508-en
General
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Target
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe
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Size
4.1MB
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MD5
73aeda66150b96d5a58ca07b072740e3
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SHA1
2f5753e8a5c46b3bc28cfc95a487b11e22a3498e
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SHA256
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a
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SHA512
7123d02b1321124cb2e52a1f06e273485e65e8ee8e85405cf99464e49dc2dc54c6321bfc6170cdc5228b76fe5ed732ad75977f0fadade48602df1fcd525211ba
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gI:QC1IraEjIw04m/Xfo4a5yka2Q+gI
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral2/memory/4908-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/4908-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4908-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4908-54-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/4908-101-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-100-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2368-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-204-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1676-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 916 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1676 csrss.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-207.dat upx behavioral2/memory/3828-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1636-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3828-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1636-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1636-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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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Drops file in System32 directory 6 IoCs
description ioc Process 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 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe File created C:\Windows\rss\csrss.exe cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 992 sc.exe -
pid Process 2664 powershell.exe 3844 powershell.exe 4892 powershell.exe 2992 powershell.exe 2132 powershell.exe 3348 powershell.exe 2288 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 3068 schtasks.exe 2708 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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\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,-2372 = "Easter Island Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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,-104 = "Central Brazilian Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-542 = "Myanmar Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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,-82 = "Atlantic Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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,-491 = "India Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2664 powershell.exe 2664 powershell.exe 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3844 powershell.exe 3844 powershell.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 4892 powershell.exe 4892 powershell.exe 2992 powershell.exe 2992 powershell.exe 2132 powershell.exe 2132 powershell.exe 3348 powershell.exe 3348 powershell.exe 2288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Token: SeImpersonatePrivilege 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 4892 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2664 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 83 PID 4908 wrote to memory of 2664 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 83 PID 4908 wrote to memory of 2664 4908 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 83 PID 2368 wrote to memory of 3844 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 88 PID 2368 wrote to memory of 3844 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 88 PID 2368 wrote to memory of 3844 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 88 PID 2368 wrote to memory of 1012 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 90 PID 2368 wrote to memory of 1012 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 90 PID 1012 wrote to memory of 916 1012 cmd.exe 92 PID 1012 wrote to memory of 916 1012 cmd.exe 92 PID 2368 wrote to memory of 4892 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 93 PID 2368 wrote to memory of 4892 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 93 PID 2368 wrote to memory of 4892 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 93 PID 2368 wrote to memory of 2992 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 95 PID 2368 wrote to memory of 2992 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 95 PID 2368 wrote to memory of 2992 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 95 PID 2368 wrote to memory of 1676 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 97 PID 2368 wrote to memory of 1676 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 97 PID 2368 wrote to memory of 1676 2368 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 97 PID 1676 wrote to memory of 2132 1676 csrss.exe 98 PID 1676 wrote to memory of 2132 1676 csrss.exe 98 PID 1676 wrote to memory of 2132 1676 csrss.exe 98 PID 1676 wrote to memory of 3348 1676 csrss.exe 104 PID 1676 wrote to memory of 3348 1676 csrss.exe 104 PID 1676 wrote to memory of 3348 1676 csrss.exe 104 PID 1676 wrote to memory of 2288 1676 csrss.exe 106 PID 1676 wrote to memory of 2288 1676 csrss.exe 106 PID 1676 wrote to memory of 2288 1676 csrss.exe 106 -
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\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
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C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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:2368 -
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:3844
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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:1012 -
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:916
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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:4892
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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:2992
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1676 -
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:2132
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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:3068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1248
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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:3348
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288
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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⤵PID:2360
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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:2708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:3828
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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:4608
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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
PID:992
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:1636
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f198fcd4ee897516fdbe9faa414a1124
SHA1caf865f763bea62ee41e97ec99bb6c895f1f9037
SHA256200cacc653c4c47cadc71b062a7397f7e4e9eaa2c423657323dfbaab024ba963
SHA512e25e5af90ee93fbf6acab87e2aad479bf772ad55c4a54d6fe7112c5e45fc640f7720448bfe5697358f15f47fb2d7e84291882fdb55e14b4d132a85f685e52460
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c3ac9f535394d9a74a6d8836bec406f
SHA1b044252b5f8b6cda94e6bf310b63b0495b27a61c
SHA256cee2905096711fcaaf47dc67892e30dc5cd870c270afb9e3b6519d5fac80a9b7
SHA512bc5ea0b55e6a1e705557487c6a4fe070a92adbf4924e99c94f0656e11e26b6912e749fed88bb9fc84ba2a29afae8824e3ce7a26e3462c86846862ce809f91ad8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509886bb8f38d1ee6ed51ec2db9b12ecf
SHA1c28ccecee847ccb12e7c40e9945337e2a3df3dff
SHA2561b9613a391c83ef0bd0ce8152d0d3fa316977a441c14ed4ecab07e457c119425
SHA512651ea286e52ba8c6553d74905cd744411a05db4fede17b79a3f30a8f6c5b93917ed0328ed35697af6c42215765da8a52e50903394efd7e7b4e9458db14e71b8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e41a67e801a6efb1f922176beb4dec4b
SHA15ff77529feaf8576a72938844b292e1164bdae9c
SHA25600b2afc049c76b025a927f65cd063bc4f9c00ea84932ba028ba2c37f5a08713c
SHA512035bdc31ec2fb56dab19c646e02e776f36a00ade0b3b491050894be83954e670ff03a3f4a8b642cce1bef825a43ac81d20cbe05c087be059834ec3945d0e46e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5460592fb22945400f1576adfaa4a382b
SHA13dc876e4f107ecbf507f416007c6560293a8b1a8
SHA2564f2b96859a2e69bf812cd189fa745fd6b872f7b1ecc502361da26707f50e627f
SHA51203c7ff95e7f70901b4ea8003c64f1441e13968e8e769325168566d82d9e4e61ed1e8d4b10325b887ab0a7aa1a092fe1e3e8acbcad97c0d5701038382ef41028f
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Filesize
4.1MB
MD573aeda66150b96d5a58ca07b072740e3
SHA12f5753e8a5c46b3bc28cfc95a487b11e22a3498e
SHA256cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a
SHA5127123d02b1321124cb2e52a1f06e273485e65e8ee8e85405cf99464e49dc2dc54c6321bfc6170cdc5228b76fe5ed732ad75977f0fadade48602df1fcd525211ba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec