Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 16:50
Static task
static1
Behavioral task
behavioral1
Sample
a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe
Resource
win10v2004-20240226-en
General
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Target
a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe
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Size
4.2MB
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MD5
ea2a3b81ba3343843585fadb5c6a8246
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SHA1
f05d15184098a8041f120f367e9ce4d6bd1dcf17
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SHA256
a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518
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SHA512
f4d1a98c6c839d6d839ae59567d6d5b07bf5a298a6c3ec413c60508c6ca71fcda6295d647e0de0b1fc2f424886005ecbc982054670af9746044c63d916b2a51b
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SSDEEP
98304:ZFFfKMKz+lyPFWjeY872zlCEfk+ztPikQU98l15GuvL:vFCMKymFG872zJkWQUw15Guz
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/640-2-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/640-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/640-28-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/640-56-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/1412-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/640-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1412-106-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1412-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1412-156-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2252-290-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4624 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2252 csrss.exe 3092 injector.exe 3484 windefender.exe 1868 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023234-260.dat upx behavioral1/memory/3484-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\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 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 -
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 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe File created C:\Windows\rss\csrss.exe a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe File created 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 224 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 572 schtasks.exe 4420 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.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\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3092 powershell.exe 3092 powershell.exe 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 4056 powershell.exe 4056 powershell.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 1476 powershell.exe 1476 powershell.exe 1476 powershell.exe 2640 powershell.exe 2640 powershell.exe 848 powershell.exe 848 powershell.exe 3108 powershell.exe 3108 powershell.exe 1804 powershell.exe 1804 powershell.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 2252 csrss.exe 2252 csrss.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 2252 csrss.exe 2252 csrss.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 3092 injector.exe 2252 csrss.exe 2252 csrss.exe 3092 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3092 powershell.exe Token: SeDebugPrivilege 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Token: SeImpersonatePrivilege 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 848 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 csrss.exe Token: SeSecurityPrivilege 224 sc.exe Token: SeSecurityPrivilege 224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 640 wrote to memory of 3092 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 91 PID 640 wrote to memory of 3092 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 91 PID 640 wrote to memory of 3092 640 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 91 PID 1412 wrote to memory of 4056 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 96 PID 1412 wrote to memory of 4056 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 96 PID 1412 wrote to memory of 4056 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 96 PID 1412 wrote to memory of 3312 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 103 PID 1412 wrote to memory of 3312 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 103 PID 3312 wrote to memory of 4624 3312 cmd.exe 105 PID 3312 wrote to memory of 4624 3312 cmd.exe 105 PID 1412 wrote to memory of 1476 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 106 PID 1412 wrote to memory of 1476 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 106 PID 1412 wrote to memory of 1476 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 106 PID 1412 wrote to memory of 2640 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 108 PID 1412 wrote to memory of 2640 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 108 PID 1412 wrote to memory of 2640 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 108 PID 1412 wrote to memory of 2252 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 111 PID 1412 wrote to memory of 2252 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 111 PID 1412 wrote to memory of 2252 1412 a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe 111 PID 2252 wrote to memory of 848 2252 csrss.exe 112 PID 2252 wrote to memory of 848 2252 csrss.exe 112 PID 2252 wrote to memory of 848 2252 csrss.exe 112 PID 2252 wrote to memory of 3108 2252 csrss.exe 117 PID 2252 wrote to memory of 3108 2252 csrss.exe 117 PID 2252 wrote to memory of 3108 2252 csrss.exe 117 PID 2252 wrote to memory of 1804 2252 csrss.exe 121 PID 2252 wrote to memory of 1804 2252 csrss.exe 121 PID 2252 wrote to memory of 1804 2252 csrss.exe 121 PID 2252 wrote to memory of 3092 2252 csrss.exe 123 PID 2252 wrote to memory of 3092 2252 csrss.exe 123 PID 3484 wrote to memory of 2308 3484 windefender.exe 129 PID 3484 wrote to memory of 2308 3484 windefender.exe 129 PID 3484 wrote to memory of 2308 3484 windefender.exe 129 PID 2308 wrote to memory of 224 2308 cmd.exe 130 PID 2308 wrote to memory of 224 2308 cmd.exe 130 PID 2308 wrote to memory of 224 2308 cmd.exe 130 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe"C:\Users\Admin\AppData\Local\Temp\a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3092
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C:\Users\Admin\AppData\Local\Temp\a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.exe"C:\Users\Admin\AppData\Local\Temp\a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518.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:1412 -
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:4056
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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:3312 -
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:4624
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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:1476
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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:2640
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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:2252 -
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:848
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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:572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2136
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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:3108
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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:1804
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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:3092
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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:4420
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
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:2308 -
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:224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1868
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a49c01ab37c050be9e9d2197934bb63
SHA17a018c26825dfe88678cec5f684daa017260ccb7
SHA2560aa14e292c9696719ee9db4af9ef4ed91891cbe3acf151e9ecd4810da21afc36
SHA512c13a2a0709a64243eeadea20b48e37842087e936403239c3c03511506c63b5d3a2bf8ae8b0e9d8b25d8fd5399d1394186c7fa2474a38f205962aa361580b1b59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593f96d4f6f26d94db02478398d9aa30f
SHA1338c52b9d161dde559682b6cfb45c095d654ddbf
SHA2563bbb19947b86d8d43752cd971b84d0e16cea2c692f621d66b5f6b700f0996b3e
SHA5124d5dda2b75387d883a3dd56afca9f9c13e3d7b1a6339d9220afa10f6d3d15af099a6980f1199bf749a406e5c063e21d1cef073caf799bf2cf6b311f27b234a7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdb063d7fcfe285b7f8de60f1e50e2b3
SHA13fc9f35826cd7f5b2af3af7d544010fc10da58c1
SHA2564e8d94f3f40d92241a54cfe7b5e03bbab6291345ff77e956323e43d460a01b07
SHA51213290c962314fa62faae98bce9a436c7f7002b5b0e550cfb68f775d359c5bb8bec49588c4b3972fde57805f8f25f60f8eb808bae6cdf7a3b461485d4876d4ecd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f561de649297008863e652dea530481
SHA18647ae7d6a2a52e66ede7d7f5490a62f65a1f8db
SHA256af00c35c978dc20ba73b43de7b4e7109cebfb38c06c61910362bb454ca56307a
SHA51286598a10c9651eaae34d5793f4b7d7e3b0d0597893c43fe23caef0f08f4bd34518ae8ea64f7da2a03d0ca15aca4f63e5c2166023b17c64910bf6538d2c1fcb4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6af652b03a273caaf9b312f52c7ef41
SHA1267077855e828fc5565f4c599b97e8c96170db52
SHA256c8122215de06462aeebfeb4b9f295d9b10c8f14db82619c37774b545dc683780
SHA5129e1594efc82bbb1cabe8b383742b5120fd454c3ef03c879deee6b6b5222732dab7095da6b72249219cec9fe4588e27ccea4a08c017f67253bd35a43a41af33d8
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Filesize
4.2MB
MD5ea2a3b81ba3343843585fadb5c6a8246
SHA1f05d15184098a8041f120f367e9ce4d6bd1dcf17
SHA256a3210da2c3cfb5a499837534f2f22cf7b9adfc73e435bd36ba5d7e108a9b5518
SHA512f4d1a98c6c839d6d839ae59567d6d5b07bf5a298a6c3ec413c60508c6ca71fcda6295d647e0de0b1fc2f424886005ecbc982054670af9746044c63d916b2a51b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec