Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2023 16:05
Static task
static1
General
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Target
ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe
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Size
4.1MB
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MD5
61cd20917d34ad025b16c578e1b7abb3
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SHA1
82f31e47b8c9b832c799f45ed11d0b68aa298b04
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SHA256
ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a
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SHA512
0c31f1f58f40b762d89a34d5d413e2638e4abb93564da46a14b97dd12003cdc42c25720c8965c606c04f92ed8e127f718e573a8016f68cfdd95ad09b286761b8
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SSDEEP
98304:iffzucrbWOjrfLtH6tsLB9kiWvcTtWvzavQa0VdpS10Q8NiVV:wf/rPj5jB9ketWvGvQaAS1eK
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4688-2-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral1/memory/4688-3-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4688-4-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4688-26-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4688-27-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral1/memory/4688-62-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/2492-64-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/2492-79-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/2492-102-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/2492-157-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/2492-163-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-169-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-235-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-269-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-277-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-279-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-281-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-283-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-285-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba behavioral1/memory/4840-287-0x0000000000400000-0x0000000002FB3000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4960 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4840 csrss.exe 4804 injector.exe 3344 windefender.exe 3464 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000231bc-272.dat upx behavioral1/files/0x00080000000231bc-274.dat upx behavioral1/files/0x00080000000231bc-275.dat upx behavioral1/memory/3344-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3464-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3464-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3448 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2184 4688 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3088 schtasks.exe 4664 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.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\1e\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2684 powershell.exe 2684 powershell.exe 2684 powershell.exe 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 1352 powershell.exe 1352 powershell.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 3972 powershell.exe 3972 powershell.exe 3672 powershell.exe 3672 powershell.exe 4688 powershell.exe 4688 powershell.exe 4144 powershell.exe 4144 powershell.exe 2696 powershell.exe 2696 powershell.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4840 csrss.exe 4840 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4840 csrss.exe 4840 csrss.exe 4804 injector.exe 4804 injector.exe 4840 csrss.exe 4840 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2684 powershell.exe Token: SeDebugPrivilege 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Token: SeImpersonatePrivilege 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 3672 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 4144 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeSystemEnvironmentPrivilege 4840 csrss.exe Token: SeSecurityPrivilege 3448 sc.exe Token: SeSecurityPrivilege 3448 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4688 wrote to memory of 2684 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 95 PID 4688 wrote to memory of 2684 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 95 PID 4688 wrote to memory of 2684 4688 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 95 PID 2492 wrote to memory of 1352 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 103 PID 2492 wrote to memory of 1352 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 103 PID 2492 wrote to memory of 1352 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 103 PID 2492 wrote to memory of 2460 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 105 PID 2492 wrote to memory of 2460 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 105 PID 2460 wrote to memory of 4960 2460 cmd.exe 107 PID 2460 wrote to memory of 4960 2460 cmd.exe 107 PID 2492 wrote to memory of 3972 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 108 PID 2492 wrote to memory of 3972 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 108 PID 2492 wrote to memory of 3972 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 108 PID 2492 wrote to memory of 3672 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 110 PID 2492 wrote to memory of 3672 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 110 PID 2492 wrote to memory of 3672 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 110 PID 2492 wrote to memory of 4840 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 112 PID 2492 wrote to memory of 4840 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 112 PID 2492 wrote to memory of 4840 2492 ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe 112 PID 4840 wrote to memory of 4688 4840 csrss.exe 113 PID 4840 wrote to memory of 4688 4840 csrss.exe 113 PID 4840 wrote to memory of 4688 4840 csrss.exe 113 PID 4840 wrote to memory of 4144 4840 csrss.exe 119 PID 4840 wrote to memory of 4144 4840 csrss.exe 119 PID 4840 wrote to memory of 4144 4840 csrss.exe 119 PID 4840 wrote to memory of 2696 4840 csrss.exe 121 PID 4840 wrote to memory of 2696 4840 csrss.exe 121 PID 4840 wrote to memory of 2696 4840 csrss.exe 121 PID 4840 wrote to memory of 4804 4840 csrss.exe 123 PID 4840 wrote to memory of 4804 4840 csrss.exe 123 PID 3344 wrote to memory of 2936 3344 windefender.exe 129 PID 3344 wrote to memory of 2936 3344 windefender.exe 129 PID 3344 wrote to memory of 2936 3344 windefender.exe 129 PID 2936 wrote to memory of 3448 2936 cmd.exe 130 PID 2936 wrote to memory of 3448 2936 cmd.exe 130 PID 2936 wrote to memory of 3448 2936 cmd.exe 130 -
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\ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe"C:\Users\Admin\AppData\Local\Temp\ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Users\Admin\AppData\Local\Temp\ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.exe"C:\Users\Admin\AppData\Local\Temp\ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a.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:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1352
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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:2460 -
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:4960
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3672
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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:4840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688
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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:3088
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4144
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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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:4804
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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:4664
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3344 -
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:2936 -
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:3448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 8722⤵
- Program crash
PID:2184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4688 -ip 46881⤵PID:2168
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3464
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
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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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
MD5fd911d893b389b4974cc0b77015eeeb8
SHA19cd968da608ca6dd89964ae5599cb66df0571be6
SHA256afbebffbbb4ef7aecca000ba93ea73a7d699b4c9f2f5afcb1fd098fda9eee420
SHA5124dd1d922a343731f4d621203eceeee5e48293d1097b743733bcac68d61271da1740759c2276ed91fd0ac8a325c50df5cbeaf4fd2e13612b881b1b77e97d9a494
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5172cb65e03a872e398a9de121c27256a
SHA120834c7a7efc68941cc53fe8b6a350fb90362c15
SHA2561eccb2f694e3d6a28e40bc61345ca5aa840de740b41b428fc2484bd65e2304c3
SHA512e55f90e09accc7768904526ec8c27037c4b57239a5829d0b84cef1d1559d6c4645282887d94a0770cade7a4620a602c16a2890ee0e314e95771afc941c9fa3b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523f7aee1c46d98e981147cd793b4d678
SHA134f561600801f8fa3c075a3fe2b9ba44e13ebbc0
SHA25691e967f3c0f8aea189ec8986589b7aebeedb66bcc6dcd82d07b82aaca51ac87f
SHA512deb5048e7e4da20a35b8ccc46f173fcb3d5983aa9d7edeedeedc5b74054908f1617076b3e37a209e9f612f53e72f6122cd28e03e6c9952c17ea6ce6571846835
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51dd17672fabcb2ad5e5dadc17116b98f
SHA147bf86c8953cf73cf4a9c001173cc351fadfd7d9
SHA256007d842f5d1fb57c34bed153245066c18f21ecdb59e065c298c4df096adc9c7d
SHA512006c7d94ef304833d9fb02d6d6892ccca4997fefe9127ccf28b8fdd2ec04b0810d287eb8a5560ba00020440bdb26fe10f2e73ba18de6406f42d36cd4b5a0af04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5529e0c6aebb5254777ac94679808b2cf
SHA17004bc860aabf48a15dcb71269bdaa681bd7e5f2
SHA2569e7f94975dd8bd79f72202e0b7d2d4a0ac1802544aaa690c34ae2c3148030038
SHA512ab7e3c63ed53acc4dfdb9c543ab4c3c1f2463b65dda09ab8d4dad7d6015c96bc27df97f2b914e930c66f7b8baee097dc52679130ef02f289eb8482a9d85bfa4b
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Filesize
4.1MB
MD561cd20917d34ad025b16c578e1b7abb3
SHA182f31e47b8c9b832c799f45ed11d0b68aa298b04
SHA256ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a
SHA5120c31f1f58f40b762d89a34d5d413e2638e4abb93564da46a14b97dd12003cdc42c25720c8965c606c04f92ed8e127f718e573a8016f68cfdd95ad09b286761b8
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Filesize
4.1MB
MD561cd20917d34ad025b16c578e1b7abb3
SHA182f31e47b8c9b832c799f45ed11d0b68aa298b04
SHA256ecc5d87d147899a05e5a72c2ba2eeb8826492af98e805fa8382d4974e36f2a1a
SHA5120c31f1f58f40b762d89a34d5d413e2638e4abb93564da46a14b97dd12003cdc42c25720c8965c606c04f92ed8e127f718e573a8016f68cfdd95ad09b286761b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec