Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
05/11/2023, 17:44
Static task
static1
General
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Target
d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe
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Size
4.1MB
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MD5
b56126a76689ede74bbad5c8fcaa9eff
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SHA1
90e093995ab0052e7feba851c93d03a70b27f5fc
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SHA256
d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c
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SHA512
83368e920b70310bf4cce3f8f5fb53956ee1f7c5c0efedd56a0f7fdcd6e5d0ac1bac0c072de0cd41ea723d81e6e184fc7952c847616cd49f576a4cbcf524f200
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SSDEEP
98304:81jsUwsQnTz2afN00mNqJ/u5nxn6yQxuB9UUX9SyujmdrZr:kKeaXqZCc9U+9Syujc1
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4384-2-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/4384-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4384-25-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/4384-31-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4384-49-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4416-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4384-90-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4416-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4416-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4416-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-236-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-259-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4280-305-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2732 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4280 csrss.exe 4540 injector.exe 5108 windefender.exe 4720 windefender.exe 4008 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0008000000022de2-263.dat upx behavioral1/files/0x0008000000022de2-265.dat upx behavioral1/files/0x0008000000022de2-266.dat upx behavioral1/memory/5108-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000022d77-298.dat upx behavioral1/files/0x0009000000022d77-301.dat upx behavioral1/memory/4720-302-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4008-306-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4008-308-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe File created C:\Windows\rss\csrss.exe d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.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 1908 sc.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 2908 schtasks.exe 2376 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\1a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4540 powershell.exe 4540 powershell.exe 4540 powershell.exe 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 3732 powershell.exe 3732 powershell.exe 3732 powershell.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 4084 powershell.exe 4084 powershell.exe 4084 powershell.exe 3948 powershell.exe 3948 powershell.exe 3948 powershell.exe 5024 powershell.exe 5024 powershell.exe 5024 powershell.exe 1480 powershell.exe 1480 powershell.exe 1480 powershell.exe 3436 powershell.exe 3436 powershell.exe 3436 powershell.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4280 csrss.exe 4280 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4280 csrss.exe 4280 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4280 csrss.exe 4280 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Token: SeImpersonatePrivilege 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeSystemEnvironmentPrivilege 4280 csrss.exe Token: SeSecurityPrivilege 1908 sc.exe Token: SeSecurityPrivilege 1908 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4384 wrote to memory of 4540 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 90 PID 4384 wrote to memory of 4540 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 90 PID 4384 wrote to memory of 4540 4384 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 90 PID 4416 wrote to memory of 3732 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 102 PID 4416 wrote to memory of 3732 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 102 PID 4416 wrote to memory of 3732 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 102 PID 4416 wrote to memory of 2056 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 104 PID 4416 wrote to memory of 2056 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 104 PID 2056 wrote to memory of 2732 2056 cmd.exe 106 PID 2056 wrote to memory of 2732 2056 cmd.exe 106 PID 4416 wrote to memory of 4084 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 107 PID 4416 wrote to memory of 4084 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 107 PID 4416 wrote to memory of 4084 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 107 PID 4416 wrote to memory of 3948 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 109 PID 4416 wrote to memory of 3948 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 109 PID 4416 wrote to memory of 3948 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 109 PID 4416 wrote to memory of 4280 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 112 PID 4416 wrote to memory of 4280 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 112 PID 4416 wrote to memory of 4280 4416 d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe 112 PID 4280 wrote to memory of 5024 4280 csrss.exe 113 PID 4280 wrote to memory of 5024 4280 csrss.exe 113 PID 4280 wrote to memory of 5024 4280 csrss.exe 113 PID 4280 wrote to memory of 1480 4280 csrss.exe 118 PID 4280 wrote to memory of 1480 4280 csrss.exe 118 PID 4280 wrote to memory of 1480 4280 csrss.exe 118 PID 4280 wrote to memory of 3436 4280 csrss.exe 122 PID 4280 wrote to memory of 3436 4280 csrss.exe 122 PID 4280 wrote to memory of 3436 4280 csrss.exe 122 PID 4280 wrote to memory of 4540 4280 csrss.exe 124 PID 4280 wrote to memory of 4540 4280 csrss.exe 124 PID 5108 wrote to memory of 1428 5108 windefender.exe 130 PID 5108 wrote to memory of 1428 5108 windefender.exe 130 PID 5108 wrote to memory of 1428 5108 windefender.exe 130 PID 1428 wrote to memory of 1908 1428 cmd.exe 131 PID 1428 wrote to memory of 1908 1428 cmd.exe 131 PID 1428 wrote to memory of 1908 1428 cmd.exe 131 PID 4280 wrote to memory of 4008 4280 csrss.exe 142 PID 4280 wrote to memory of 4008 4280 csrss.exe 142 PID 4280 wrote to memory of 4008 4280 csrss.exe 142 -
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\d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe"C:\Users\Admin\AppData\Local\Temp\d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540
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C:\Users\Admin\AppData\Local\Temp\d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.exe"C:\Users\Admin\AppData\Local\Temp\d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c.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:4416 -
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:3732
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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:2056 -
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:2732
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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:4084
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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:3948
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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:4280 -
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:5024
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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:2908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2772
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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:1480
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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:3436
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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:4540
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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:2376
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5108 -
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:1428 -
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:1908
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4008 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4168
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4720
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
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD517ee8d949a4570d7eb64b8c8149dd8bb
SHA15e10905ca868987be9cadf0866ae01c2cf5c10e7
SHA256c4d250952e79465179d7a3045b978da325fad3f26da50dfb6c1fa693744ff77e
SHA512aba9b7074f2ffa61260fe7505de192057ade269a879ff3fe17d7d2cc47b46ae5b47b99ac0ca2da56b5b917802f704214ab88393feed6079d1c2fe11cf164923f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cfecfb38f21a6eef3ef3b3224a46f654
SHA125308b616348d080e2d3b455ba9a1941039596bc
SHA256cedc3a7961d0df24a4e28aa9326f165fdab63bfdd09f236d3a8601cf4acdcf37
SHA51257f2955c3e01f2a60f046b9383bb52ffd66a0d70d36d81a1d0b8555fa750e2e8cb14921fd0069686d00842515d28f3544ba26fdbf86525782e46649ec0a2d50b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51709d7d99c8a0acc5fcddf95671fc00c
SHA1e9c901efcd920e17afb000b0f05ea41f662727e6
SHA256f914358ee0364dd0c88599b8fce16013268b0b14964467ad76d9f5474e258279
SHA5123a5d92c688542a2157c435c45d0dfd23cb1cb9d9d77f93b3669fdbec5b011fc47afb940a5fe6d5e15851a1edaec9f174ca450824fd01623f8a711ec30d0e6270
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522093b6b9d1ab82ec9b03f0abb77eb9e
SHA1b1e240313c869b95502f6b362bb7d47843053379
SHA256aaa793dc58391e509cce8bdacebf303819c8df0b891dddfb18316120a1891ae2
SHA5127c59b38542de377afb05a183674bf507beb7ef26e1ca9a12c35d58c73b40cc9399fe54c2bd2348ad834881ab2eb0a700daec38d651dba3218226f1182b4de64f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52801601a7ececdf1b3cbe4fb45bc7373
SHA17cf0487f47fbb470e136e59dd7356b9717c881ca
SHA2563cffb14fd6dbf40e54787fed968af322f3211bcf56552c26bbf5de33e91ed3d1
SHA51228a025b7ece919acedb61358ce7e2267c495da4199931fbf0ffc30909a7a6e7fef04b6f084eb9b01a13896539be2d1f9f78463063fe2e3ac8cffcf66725dd3da
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Filesize
4.1MB
MD5b56126a76689ede74bbad5c8fcaa9eff
SHA190e093995ab0052e7feba851c93d03a70b27f5fc
SHA256d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c
SHA51283368e920b70310bf4cce3f8f5fb53956ee1f7c5c0efedd56a0f7fdcd6e5d0ac1bac0c072de0cd41ea723d81e6e184fc7952c847616cd49f576a4cbcf524f200
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Filesize
4.1MB
MD5b56126a76689ede74bbad5c8fcaa9eff
SHA190e093995ab0052e7feba851c93d03a70b27f5fc
SHA256d2978948dc2129dae3416b5d9dbfe4e7f2cafe0ae4ccbb36467d27b9ab86e46c
SHA51283368e920b70310bf4cce3f8f5fb53956ee1f7c5c0efedd56a0f7fdcd6e5d0ac1bac0c072de0cd41ea723d81e6e184fc7952c847616cd49f576a4cbcf524f200
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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