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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe
Resource
win10v2004-20240508-en
General
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Target
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe
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Size
4.1MB
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MD5
15395dc893d9a0ddb1bafdecd403642a
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SHA1
d8b7a47f6e78b5c0c26eaa6062927de4d9a4f50b
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SHA256
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59
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SHA512
10dd83c6bc26905c0ef619918c4b9efdf025b5e31923dcf1fa50618ef3db60ce7b90d310f2aa229c42f3ada34226ffefae8c3efa3771955e0765b10af0a6283b
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SSDEEP
98304:FOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOI:Fr2p15ulARrO0d7kw84IGI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4364-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4364-42-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4364-43-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/2976-45-0x0000000002A40000-0x0000000002E3F000-memory.dmp family_glupteba behavioral2/memory/2976-107-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2976-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1976-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1388 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1976 csrss.exe 1456 injector.exe 4164 windefender.exe 3452 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa04-204.dat upx behavioral2/memory/4164-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3452-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4164-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3452-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3452-217-0x0000000000400000-0x00000000008DF000-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\"" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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 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 File created 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 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe File created C:\Windows\rss\csrss.exe 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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 1368 sc.exe -
pid Process 1616 powershell.exe 760 powershell.exe 1428 powershell.exe 4728 powershell.exe 4676 powershell.exe 1500 powershell.exe 3032 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4396 1616 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2604 schtasks.exe 2744 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1616 powershell.exe 1616 powershell.exe 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 760 powershell.exe 760 powershell.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 1428 powershell.exe 1428 powershell.exe 4728 powershell.exe 4728 powershell.exe 4676 powershell.exe 4676 powershell.exe 1500 powershell.exe 1500 powershell.exe 3032 powershell.exe 3032 powershell.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1976 csrss.exe 1976 csrss.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1976 csrss.exe 1976 csrss.exe 1456 injector.exe 1456 injector.exe 1976 csrss.exe 1976 csrss.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe 1456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Token: SeImpersonatePrivilege 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeSystemEnvironmentPrivilege 1976 csrss.exe Token: SeSecurityPrivilege 1368 sc.exe Token: SeSecurityPrivilege 1368 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4364 wrote to memory of 1616 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 4364 wrote to memory of 1616 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 4364 wrote to memory of 1616 4364 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 2976 wrote to memory of 760 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 90 PID 2976 wrote to memory of 760 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 90 PID 2976 wrote to memory of 760 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 90 PID 2976 wrote to memory of 2892 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 92 PID 2976 wrote to memory of 2892 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 92 PID 2892 wrote to memory of 1388 2892 cmd.exe 94 PID 2892 wrote to memory of 1388 2892 cmd.exe 94 PID 2976 wrote to memory of 1428 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 95 PID 2976 wrote to memory of 1428 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 95 PID 2976 wrote to memory of 1428 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 95 PID 2976 wrote to memory of 4728 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 97 PID 2976 wrote to memory of 4728 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 97 PID 2976 wrote to memory of 4728 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 97 PID 2976 wrote to memory of 1976 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 99 PID 2976 wrote to memory of 1976 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 99 PID 2976 wrote to memory of 1976 2976 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 99 PID 1976 wrote to memory of 4676 1976 csrss.exe 100 PID 1976 wrote to memory of 4676 1976 csrss.exe 100 PID 1976 wrote to memory of 4676 1976 csrss.exe 100 PID 1976 wrote to memory of 1500 1976 csrss.exe 105 PID 1976 wrote to memory of 1500 1976 csrss.exe 105 PID 1976 wrote to memory of 1500 1976 csrss.exe 105 PID 1976 wrote to memory of 3032 1976 csrss.exe 108 PID 1976 wrote to memory of 3032 1976 csrss.exe 108 PID 1976 wrote to memory of 3032 1976 csrss.exe 108 PID 1976 wrote to memory of 1456 1976 csrss.exe 110 PID 1976 wrote to memory of 1456 1976 csrss.exe 110 PID 4164 wrote to memory of 2028 4164 windefender.exe 116 PID 4164 wrote to memory of 2028 4164 windefender.exe 116 PID 4164 wrote to memory of 2028 4164 windefender.exe 116 PID 2028 wrote to memory of 1368 2028 cmd.exe 117 PID 2028 wrote to memory of 1368 2028 cmd.exe 117 PID 2028 wrote to memory of 1368 2028 cmd.exe 117 -
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\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 25923⤵
- Program crash
PID:4396
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C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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:2976 -
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:760
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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:2892 -
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:1388
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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:1428
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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:4728
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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:1976 -
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:4676
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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:2604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3604
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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:1500
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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:3032
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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:1456
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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:2744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4164 -
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:2028 -
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:1368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1616 -ip 16161⤵PID:4068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3452
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
MD5f664da733d74e558f2b04f8272641182
SHA15ff4aa0646c1167c49092c66eb5cb03dd7b35049
SHA25669362f3efa763b1a867e89456d7a11765abb9ba7fba7334ec4b58e8f02238bc0
SHA512886acddde4b4ba6884e85b858cbefc3f1492bae22dba84a879a54ae3f07c6c3d78b60d939a7ba79ce36c227197a158ecbb3b5268c2b517c4faf244bcef61948e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e7a559bd962d243e7ad35221313c939
SHA131b6f5d66f1bf0b6136e0778443d4c9ef5f5809a
SHA2565f9430eaf8a1fa6ee0fce86aa1f5b63f127e65a94742e11ac167f143e42efc3d
SHA512f52ea2424eceeebb5a6716408e07177086f7a2dd6d9702e61a008b6f60cd3b9af2fad3a57d59389210796af66f39e7f5783c0596c559acddbd11fa1692025b22
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b637c4178e9a6c26833ad8a2dd3f6866
SHA1aac9d5266e3ce2b9b4377b8de2ab2eff664dcb68
SHA256539385dd6e02e7d342cc6b71f1118124e48045de88e3dda3e99957ce653cce3c
SHA512ca0718c3d662bb22d9c6281f15a67380c1a12d6837032207c7073ca7bda4078d5f75838eaf8a1abfcf3f65fc3abbb8e4483bb75384954e2f517aa63650189a7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fcad52e63cd3dc006edc5871e1bd680
SHA155bff20a10bb44e6664db92d0c2b422294937533
SHA256e831806d36f6f6da2fd974ffec495f8a96fd0867a920ada7b912a497ea271374
SHA5120f404e81d64c6d13f03b79017607fd5e459ee843dc200692d56d8b3590fb669c471287841ef7f9d2e89a368c344f5eea00a11f1bc5e6c5be65705131730c5bf5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9049f30aef0e007e8f4e0e87de41dcf
SHA1b060ed7ec4214f72f438dde84450a8f0428e4b69
SHA25674b19eb5fb0e81a3b761d37abec09d4fa8bb1d9474480c4a8ecdfb46f36cdd2b
SHA51268475d6f71d414f0c787622db52b84567f57ca99c8e5454ebcc570947a4342bcd191f2b4222573eb78371a716d5e251fe92a7d29b8399f4d16016284f7d2858a
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Filesize
4.1MB
MD515395dc893d9a0ddb1bafdecd403642a
SHA1d8b7a47f6e78b5c0c26eaa6062927de4d9a4f50b
SHA25676f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59
SHA51210dd83c6bc26905c0ef619918c4b9efdf025b5e31923dcf1fa50618ef3db60ce7b90d310f2aa229c42f3ada34226ffefae8c3efa3771955e0765b10af0a6283b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec