Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe
Resource
win10v2004-20240508-en
General
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Target
d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe
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Size
4.1MB
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MD5
eec952304d06b8e373f04773fc49bd4c
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SHA1
657a0a312d9c707a28fbd219574f2279406b4f19
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SHA256
d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6
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SHA512
d5c81a3cec34326b79e148439670a746eba1174fc6a7759878a183fe0670ad035e280efa6cc4e3f3923c639aa312c2f65323c6519c305c6b6adaacf157f2341f
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SSDEEP
98304:ZqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUZ:ZqqJgO7W9SnJ3gf8jHXKi
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/5000-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/5000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5000-92-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-116-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/1728-155-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-185-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2084-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-266-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2084-270-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4832 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2084 csrss.exe 4416 injector.exe 2624 windefender.exe 1952 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023409-219.dat upx behavioral1/memory/2624-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1952-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2624-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1952-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1952-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1952-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe File created C:\Windows\rss\csrss.exe d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.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 1720 sc.exe -
pid Process 2796 powershell.exe 4564 powershell.exe 4800 powershell.exe 1652 powershell.exe 1656 powershell.exe 2076 powershell.exe 3268 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 4628 schtasks.exe 840 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard 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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan 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" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2076 powershell.exe 2076 powershell.exe 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 3268 powershell.exe 3268 powershell.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 2796 powershell.exe 2796 powershell.exe 4564 powershell.exe 4564 powershell.exe 4564 powershell.exe 4800 powershell.exe 4800 powershell.exe 1652 powershell.exe 1652 powershell.exe 1656 powershell.exe 1656 powershell.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 2084 csrss.exe 2084 csrss.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 2084 csrss.exe 2084 csrss.exe 4416 injector.exe 4416 injector.exe 2084 csrss.exe 2084 csrss.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe 4416 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Token: SeImpersonatePrivilege 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeSystemEnvironmentPrivilege 2084 csrss.exe Token: SeSecurityPrivilege 1720 sc.exe Token: SeSecurityPrivilege 1720 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5000 wrote to memory of 2076 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 87 PID 5000 wrote to memory of 2076 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 87 PID 5000 wrote to memory of 2076 5000 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 87 PID 1728 wrote to memory of 3268 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 97 PID 1728 wrote to memory of 3268 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 97 PID 1728 wrote to memory of 3268 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 97 PID 1728 wrote to memory of 712 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 99 PID 1728 wrote to memory of 712 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 99 PID 712 wrote to memory of 4832 712 cmd.exe 101 PID 712 wrote to memory of 4832 712 cmd.exe 101 PID 1728 wrote to memory of 2796 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 103 PID 1728 wrote to memory of 2796 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 103 PID 1728 wrote to memory of 2796 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 103 PID 1728 wrote to memory of 4564 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 106 PID 1728 wrote to memory of 4564 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 106 PID 1728 wrote to memory of 4564 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 106 PID 1728 wrote to memory of 2084 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 108 PID 1728 wrote to memory of 2084 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 108 PID 1728 wrote to memory of 2084 1728 d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe 108 PID 2084 wrote to memory of 4800 2084 csrss.exe 109 PID 2084 wrote to memory of 4800 2084 csrss.exe 109 PID 2084 wrote to memory of 4800 2084 csrss.exe 109 PID 2084 wrote to memory of 1652 2084 csrss.exe 115 PID 2084 wrote to memory of 1652 2084 csrss.exe 115 PID 2084 wrote to memory of 1652 2084 csrss.exe 115 PID 2084 wrote to memory of 1656 2084 csrss.exe 117 PID 2084 wrote to memory of 1656 2084 csrss.exe 117 PID 2084 wrote to memory of 1656 2084 csrss.exe 117 PID 2084 wrote to memory of 4416 2084 csrss.exe 119 PID 2084 wrote to memory of 4416 2084 csrss.exe 119 PID 2624 wrote to memory of 4192 2624 windefender.exe 126 PID 2624 wrote to memory of 4192 2624 windefender.exe 126 PID 2624 wrote to memory of 4192 2624 windefender.exe 126 PID 4192 wrote to memory of 1720 4192 cmd.exe 127 PID 4192 wrote to memory of 1720 4192 cmd.exe 127 PID 4192 wrote to memory of 1720 4192 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe"C:\Users\Admin\AppData\Local\Temp\d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.exe"C:\Users\Admin\AppData\Local\Temp\d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6.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:1728 -
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:3268
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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:712 -
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:4832
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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:2796
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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:4564
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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:2084 -
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:4800
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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:4628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1620
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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:1652
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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:1656
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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:4416
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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:840
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2624 -
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:4192 -
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:1720
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1952
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
MD5414019da9784329e56e74ee11ec4a740
SHA14c4353135ffaec1e7c8b6f188047929364dc632c
SHA25654ea694da8ef6d4eb547b2d4e7c0044807b98f1ac0c6baf77e06a10082d9892b
SHA51238d90a5724fca2c39531c3a398cdcff2dd9a095e6a8fc79ae5c5f8f135357798d5a866841d5e3dd0a5741c5afcb17ead538243c97cf02d585ff3c0c1eb6df9c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc0882faf5f4d294a891b58c1fec03b7
SHA1895f7ddefa039f14cf7eb34dbcf1d10e6b180859
SHA25655872e34e9cb29024838c2db0a08da1435dc3f20bc48e93808485bc4cfca9701
SHA512e087defe2992e1cfcc8046015f6d737f248e9ec9a21acd4b29e2dc45bd1bd732cf9d9cf5f184628626e1bab93a3e0b69a816a7d56739bb61deeba2ebd2f7f07b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ffc2f89bea9ebdbe59c8379a2b0c7ce
SHA12cbe1c9cffe263f7f1e89d85f16b0cbde8f0e563
SHA25647302e235fe923671c9bb1d71b5cff89693e7985ea1a27402598741a1cf97769
SHA5128398f0a58b2bfc4110b727ac7f799ea5b12979db3ab2fd96b9ac89492eee3ac81b9f2f3f2d9debb2ad319da8b33ba66275e4d37fef40a1776f00109961914975
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8d3a00c08f8b67e7bd919831a4a297a
SHA1c7bb4238cdbaab81f8746449911cc0dab0ea72f2
SHA256b44a209111e5ca7d6b2408aa4f55116025aa68df4349a00966589532cf50274d
SHA5120fb008ac94367f8838523d024839646f07c2fa1702acefce43207d48e2758c6a12f03382d9e3248447412412577a8ce45551928c7f72cd49f65faf173366f985
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5029ff5c3b307460ec9da719f7bd5aebd
SHA187bbe334c4948da009b9aebfce2e04c6d7d31d5e
SHA25634cbb8fecb20499b1595dfbfebae097ececb27ac45fd2dd477dec67349d0f583
SHA512142e94d16409f83a4e01fbb629a3ee2cd36f92cd5cf50c6976ac0a047371ddbe9cedd0e74840d03debc5485be788a8e2b786becc1ba623ac18f9a078d9ddc5dc
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Filesize
4.1MB
MD5eec952304d06b8e373f04773fc49bd4c
SHA1657a0a312d9c707a28fbd219574f2279406b4f19
SHA256d92c3d45ed255da54b1c5e13aca9b81f87c81285ebc9370e9d4bfa8f4a4cc8f6
SHA512d5c81a3cec34326b79e148439670a746eba1174fc6a7759878a183fe0670ad035e280efa6cc4e3f3923c639aa312c2f65323c6519c305c6b6adaacf157f2341f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec