Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:27
Static task
static1
Behavioral task
behavioral1
Sample
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe
Resource
win10v2004-20240426-en
General
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Target
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe
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Size
4.1MB
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MD5
a0f8e6fd89c8db8c6c2ac9dd7a614d23
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SHA1
10395f3b8b660b20f6e64e0bcefa6c7056efab1e
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SHA256
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4
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SHA512
fe106276efd9104f61473cb4db335252bcef11cc2c9e34c81705b74ef6f72bca9267157a8210d236608c70b22458741faa3296d8ab5218f2b034a7dfd3424556
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SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJZ:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJZ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1692-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1692-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1692-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1692-55-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1692-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2988-133-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3864-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1668 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3864 csrss.exe 4692 injector.exe 4176 windefender.exe 1272 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023440-221.dat upx behavioral1/memory/4176-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1272-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4176-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1272-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1272-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 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 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 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe File created C:\Windows\rss\csrss.exe d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4544 sc.exe -
pid Process 3452 powershell.exe 2836 powershell.exe 2688 powershell.exe 4704 powershell.exe 1592 powershell.exe 3524 powershell.exe 1756 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 4804 schtasks.exe 3636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2688 powershell.exe 2688 powershell.exe 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4704 powershell.exe 4704 powershell.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 1592 powershell.exe 1592 powershell.exe 3524 powershell.exe 3524 powershell.exe 1756 powershell.exe 1756 powershell.exe 1756 powershell.exe 3452 powershell.exe 3452 powershell.exe 2836 powershell.exe 2836 powershell.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 3864 csrss.exe 3864 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 3864 csrss.exe 3864 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 3864 csrss.exe 3864 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Token: SeImpersonatePrivilege 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 1756 powershell.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeSystemEnvironmentPrivilege 3864 csrss.exe Token: SeSecurityPrivilege 4544 sc.exe Token: SeSecurityPrivilege 4544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1692 wrote to memory of 2688 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 86 PID 1692 wrote to memory of 2688 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 86 PID 1692 wrote to memory of 2688 1692 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 86 PID 2988 wrote to memory of 4704 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 92 PID 2988 wrote to memory of 4704 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 92 PID 2988 wrote to memory of 4704 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 92 PID 2988 wrote to memory of 4736 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 98 PID 2988 wrote to memory of 4736 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 98 PID 4736 wrote to memory of 1668 4736 cmd.exe 115 PID 4736 wrote to memory of 1668 4736 cmd.exe 115 PID 2988 wrote to memory of 1592 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 101 PID 2988 wrote to memory of 1592 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 101 PID 2988 wrote to memory of 1592 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 101 PID 2988 wrote to memory of 3524 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 105 PID 2988 wrote to memory of 3524 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 105 PID 2988 wrote to memory of 3524 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 105 PID 2988 wrote to memory of 3864 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 109 PID 2988 wrote to memory of 3864 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 109 PID 2988 wrote to memory of 3864 2988 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 109 PID 3864 wrote to memory of 1756 3864 csrss.exe 110 PID 3864 wrote to memory of 1756 3864 csrss.exe 110 PID 3864 wrote to memory of 1756 3864 csrss.exe 110 PID 3864 wrote to memory of 3452 3864 csrss.exe 118 PID 3864 wrote to memory of 3452 3864 csrss.exe 118 PID 3864 wrote to memory of 3452 3864 csrss.exe 118 PID 3864 wrote to memory of 2836 3864 csrss.exe 120 PID 3864 wrote to memory of 2836 3864 csrss.exe 120 PID 3864 wrote to memory of 2836 3864 csrss.exe 120 PID 3864 wrote to memory of 4692 3864 csrss.exe 122 PID 3864 wrote to memory of 4692 3864 csrss.exe 122 PID 4176 wrote to memory of 4300 4176 windefender.exe 128 PID 4176 wrote to memory of 4300 4176 windefender.exe 128 PID 4176 wrote to memory of 4300 4176 windefender.exe 128 PID 4300 wrote to memory of 4544 4300 cmd.exe 129 PID 4300 wrote to memory of 4544 4300 cmd.exe 129 PID 4300 wrote to memory of 4544 4300 cmd.exe 129 -
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\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688
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C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.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:2988 -
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:4704
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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:4736 -
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:1668
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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:1592
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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:3524
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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:3864 -
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:1756
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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:4804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1668
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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:3452
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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:2836
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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:4692
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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:3636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4176 -
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:4300 -
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:4544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1272
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
MD5acede441018fd571d73edaf773c4e592
SHA1d346d3f4bcc1012412cea0e6630f14d7afea264a
SHA25607e9a26af0f810a2bfeabcc8e95119a99bd814192946ceebc7bffe4709c20729
SHA512e3b78e4296c97795df5f2c5247332e20fe72f75836ee09e8122d8e7f494f93c13e51ba538b7c005eb2477e785121253ad28abb191b9a5fda7ad1745b7bcf92a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549f834bb955461de0c4ba708e708631c
SHA1fc728fd148279fec9a2359d37df2e10d32b33b76
SHA2562b6771aa1cd3a5ef954867144c2352464cf57948e1acca29f352827576f6f3a1
SHA5127150bdc36a1669e2869f328256652ef913eb20b808c1d710d4055a8cc463f24bf578d47c3a3503129c5c4c4b837eb75b034c1f2fb5178d61ae05777d1807f27a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54019a9b0131e1a3c189c2493f63eef9a
SHA16fc70ed6549798f13b5f380d08a1032e75f27348
SHA256a7ef00b06fdb7f7716bb3b6c5dcd408889a942545332376f12d98751d4667963
SHA5121aeb23e01cbbf8a00b78e0a007f02e6e7d18cdda5acd20c4426dd05a5b0561a96efe08249ecb7dfbd423c76373b7a8750f3398e542b1be024d4491a3f6a88c77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aa2c5c4a696c6f5dc80b9a5dafc88ac
SHA1a28d841823db98e79a7ee83b548c314ad0479408
SHA25607732eb23703a525a90a3950470451d902a19b441da1889c176d9699f46cf477
SHA512dc4db9905b511c42c615dfee2a048b22833ff8b72c10626dcf1674988a780068e0b325a81a4fe6e06506eeca44a281fb836313a313e956c8957d878fab21699d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9cb0bc123433423342cbe5c12584f86
SHA16b9c4e2e811a63e3034bfdb0e3e1357204ee1f8c
SHA256e64b89205f153e9845ab0646e586a876c5fa630fc0e7bc38087c7b60efc3da81
SHA512ad17b8422a1ed6b9bfb8ff980d72bc5d3294e18d7d49404b933504bf49bbc4d185908619eec6f454395ace238be95d3220f7cd443c48caee915f3912e5397735
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Filesize
4.1MB
MD5a0f8e6fd89c8db8c6c2ac9dd7a614d23
SHA110395f3b8b660b20f6e64e0bcefa6c7056efab1e
SHA256d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4
SHA512fe106276efd9104f61473cb4db335252bcef11cc2c9e34c81705b74ef6f72bca9267157a8210d236608c70b22458741faa3296d8ab5218f2b034a7dfd3424556
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec