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Analysis
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max time kernel
149s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 05:35
Static task
static1
Behavioral task
behavioral1
Sample
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe
Resource
win10v2004-20240426-en
General
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Target
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe
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Size
4.1MB
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MD5
abed3bc0014beb49b09ca2ee0ebb063d
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SHA1
d43743f713e669e309e07b7f666617a6410f1c04
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SHA256
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7
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SHA512
e4b4fc0ff7bf14d903124015d834911d450bdec2eb793aaaee3c070f540faabffb0cf1ec0fed58a78bd58d46fd88f170897ff51c6e0ef37ec3104e2b5a3c99d5
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SSDEEP
98304:UWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YF:UW16ulMesXlnBp/sjruCqmtIOvaW
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/988-2-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/988-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/988-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/988-54-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/988-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3800-121-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3800-126-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-204-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-213-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-215-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-217-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-219-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-221-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-223-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-225-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-227-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-229-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-231-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-233-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2836-235-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2216 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2836 csrss.exe 732 injector.exe 1020 windefender.exe 3504 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f9-207.dat upx behavioral2/memory/1020-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3504-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1020-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3504-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3504-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3504-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe File created C:\Windows\rss\csrss.exe adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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 4356 sc.exe -
pid Process 3948 powershell.exe 2932 powershell.exe 4824 powershell.exe 3624 powershell.exe 1960 powershell.exe 3784 powershell.exe 4816 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 5100 schtasks.exe 916 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,-81 = "Atlantic Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka 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" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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,-141 = "Canada Central Daylight Time" windefender.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\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-11 = "Azores 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,-451 = "Caucasus Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3784 powershell.exe 3784 powershell.exe 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4816 powershell.exe 4816 powershell.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 3948 powershell.exe 3948 powershell.exe 2932 powershell.exe 2932 powershell.exe 4824 powershell.exe 4824 powershell.exe 3624 powershell.exe 3624 powershell.exe 1960 powershell.exe 1960 powershell.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 2836 csrss.exe 2836 csrss.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 2836 csrss.exe 2836 csrss.exe 732 injector.exe 732 injector.exe 2836 csrss.exe 2836 csrss.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Token: SeImpersonatePrivilege 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 1960 powershell.exe Token: SeSystemEnvironmentPrivilege 2836 csrss.exe Token: SeSecurityPrivilege 4356 sc.exe Token: SeSecurityPrivilege 4356 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 988 wrote to memory of 3784 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 82 PID 988 wrote to memory of 3784 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 82 PID 988 wrote to memory of 3784 988 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 82 PID 3800 wrote to memory of 4816 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 87 PID 3800 wrote to memory of 4816 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 87 PID 3800 wrote to memory of 4816 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 87 PID 3800 wrote to memory of 1836 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 89 PID 3800 wrote to memory of 1836 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 89 PID 1836 wrote to memory of 2216 1836 cmd.exe 91 PID 1836 wrote to memory of 2216 1836 cmd.exe 91 PID 3800 wrote to memory of 3948 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 92 PID 3800 wrote to memory of 3948 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 92 PID 3800 wrote to memory of 3948 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 92 PID 3800 wrote to memory of 2932 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 94 PID 3800 wrote to memory of 2932 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 94 PID 3800 wrote to memory of 2932 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 94 PID 3800 wrote to memory of 2836 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 96 PID 3800 wrote to memory of 2836 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 96 PID 3800 wrote to memory of 2836 3800 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 96 PID 2836 wrote to memory of 4824 2836 csrss.exe 97 PID 2836 wrote to memory of 4824 2836 csrss.exe 97 PID 2836 wrote to memory of 4824 2836 csrss.exe 97 PID 2836 wrote to memory of 3624 2836 csrss.exe 102 PID 2836 wrote to memory of 3624 2836 csrss.exe 102 PID 2836 wrote to memory of 3624 2836 csrss.exe 102 PID 2836 wrote to memory of 1960 2836 csrss.exe 105 PID 2836 wrote to memory of 1960 2836 csrss.exe 105 PID 2836 wrote to memory of 1960 2836 csrss.exe 105 PID 2836 wrote to memory of 732 2836 csrss.exe 107 PID 2836 wrote to memory of 732 2836 csrss.exe 107 PID 1020 wrote to memory of 2040 1020 windefender.exe 113 PID 1020 wrote to memory of 2040 1020 windefender.exe 113 PID 1020 wrote to memory of 2040 1020 windefender.exe 113 PID 2040 wrote to memory of 4356 2040 cmd.exe 114 PID 2040 wrote to memory of 4356 2040 cmd.exe 114 PID 2040 wrote to memory of 4356 2040 cmd.exe 114 -
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\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3784
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C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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:3800 -
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:4816
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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:1836 -
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:2216
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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:3948
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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:2932
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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:2836 -
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:4824
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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:5100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2424
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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:3624
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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:1960
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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:732
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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:916
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1020 -
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:2040 -
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:4356
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3504
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9993820791af670d06eee8ea405bfac
SHA14cc640620e6dbe5f7fd0861221c61bef69e38a37
SHA256079e213363287b4022f8850cc7a3807219054f9ed70ffa9cc43032a422492bc7
SHA512deb7d6f06bc80b4f3687afdec48e111373d84561a1b42db5fc2510f6117fb460fe63f06559edbabd2663ed3ce2d4c6cd70fa72d55b90cda448e34ae2def6701e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e16150c838f4d8ee2e315f0ed9473d85
SHA12bfe5f26dbe15b03b036febd7f2b161dd6eab130
SHA2563a7ecd6663b2223b5be3420a1de59fe6f6e2cba8bf6c17ad6a879be067b5db17
SHA512910fa7c9e8322b62da448e3a7b5374aa4d8b60e4cd8e1617244a1a337fd0b81addbb196190cc1ded8a8ca74f1d4878e83f31441bb84df15ce410dded3eec9969
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e9ac56382c9fe1922e0055725b9e39f
SHA16a9a27fd04168b09d4dd5d2b70b6c8b90736fd28
SHA25626c1e35e5586563bb575d3b15f2da67d53f6e26a6af1ea2c4e37f8280d426feb
SHA512cfe9a2d029b4923446db14b572c75bc9d7a658e463c54f26788c92b63a8357f825610eafc675406277502db2d48f30df75b60fa2ad1d9c33dde31fce245e2830
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a179da39d6b14b11032e459a8cc9f39
SHA17c2c71a8f3c7eac5fd204ac10f2e40a905683232
SHA25684c89d2b6057efbbeebbb7f8863279f6e3fb799a6e3e524ad48a2dacba8a4daa
SHA512904bfc5c1d4cb2e0b835976c3102e041afbd80cebf739ece9c1f31db418ab1f1d15e573fa23cd55b456356e62ce839bf353a1c32b1a2e6c2c1521eb8b68be0ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a29fc491c3f0e807a149d8472d7a7d90
SHA1013993f5e9f967d5b4e54cfe05ba5c0d277086d8
SHA256bcf84b4459c8db28c95f4fe4ee962a1b8a99fbb49d49efae7e69adcf54816c02
SHA5129fb3f3fb9eb6f598deecc4a276562d0f2f55f0e266920659a80bf470afc3ea00ece707e5b9ebad2d041971dcf05e6efa6443aa7844c678ed72fbb1db293ba92d
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Filesize
4.1MB
MD5abed3bc0014beb49b09ca2ee0ebb063d
SHA1d43743f713e669e309e07b7f666617a6410f1c04
SHA256adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7
SHA512e4b4fc0ff7bf14d903124015d834911d450bdec2eb793aaaee3c070f540faabffb0cf1ec0fed58a78bd58d46fd88f170897ff51c6e0ef37ec3104e2b5a3c99d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec