Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/05/2024, 19:26
Static task
static1
Behavioral task
behavioral1
Sample
e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe
Resource
win10v2004-20240426-en
General
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Target
e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe
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Size
4.1MB
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MD5
4243c63a6ae7d2f2a6861586700e4645
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SHA1
3b47b3094ed17781aeea3409e24197520985e528
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SHA256
e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a
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SHA512
a4ac0ff0d842af78205301584bd2f2c907b90396a19cec1c02bb3fe470ebfdece7e75e7fc0b9f5427c705e84cc4a771618d45978ef45d0845d173dd17aee9728
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SSDEEP
98304:PyEoAg7Y6eGNTPqwhWveIEreY18NdCUlH1tC:PV1EY6eGNTikAY18TlH18
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3692-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/3692-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-54-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/4736-57-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/4736-104-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4736-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3044-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3044 csrss.exe 4740 injector.exe 4608 windefender.exe 2828 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5f-212.dat upx behavioral2/memory/4608-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2828-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4608-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2828-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2828-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe File created C:\Windows\rss\csrss.exe e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.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 2348 sc.exe -
pid Process 1360 powershell.exe 1376 powershell.exe 1548 powershell.exe 4620 powershell.exe 4420 powershell.exe 2384 powershell.exe 4040 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1308 4736 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4916 schtasks.exe 648 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,-261 = "GMT Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.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\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya 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)" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\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,-1891 = "Russia TZ 3 Daylight 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard 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" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4040 powershell.exe 4040 powershell.exe 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 1360 powershell.exe 1360 powershell.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 1376 powershell.exe 1376 powershell.exe 1548 powershell.exe 1548 powershell.exe 4620 powershell.exe 4620 powershell.exe 4420 powershell.exe 4420 powershell.exe 2384 powershell.exe 2384 powershell.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 3044 csrss.exe 3044 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 3044 csrss.exe 3044 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 3044 csrss.exe 3044 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4040 powershell.exe Token: SeDebugPrivilege 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Token: SeImpersonatePrivilege 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeSystemEnvironmentPrivilege 3044 csrss.exe Token: SeSecurityPrivilege 2348 sc.exe Token: SeSecurityPrivilege 2348 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3692 wrote to memory of 4040 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 82 PID 3692 wrote to memory of 4040 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 82 PID 3692 wrote to memory of 4040 3692 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 82 PID 4736 wrote to memory of 1360 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 87 PID 4736 wrote to memory of 1360 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 87 PID 4736 wrote to memory of 1360 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 87 PID 4736 wrote to memory of 3740 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 89 PID 4736 wrote to memory of 3740 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 89 PID 3740 wrote to memory of 4084 3740 cmd.exe 91 PID 3740 wrote to memory of 4084 3740 cmd.exe 91 PID 4736 wrote to memory of 1376 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 92 PID 4736 wrote to memory of 1376 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 92 PID 4736 wrote to memory of 1376 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 92 PID 4736 wrote to memory of 1548 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 94 PID 4736 wrote to memory of 1548 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 94 PID 4736 wrote to memory of 1548 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 94 PID 4736 wrote to memory of 3044 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 96 PID 4736 wrote to memory of 3044 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 96 PID 4736 wrote to memory of 3044 4736 e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe 96 PID 3044 wrote to memory of 4620 3044 csrss.exe 100 PID 3044 wrote to memory of 4620 3044 csrss.exe 100 PID 3044 wrote to memory of 4620 3044 csrss.exe 100 PID 3044 wrote to memory of 4420 3044 csrss.exe 106 PID 3044 wrote to memory of 4420 3044 csrss.exe 106 PID 3044 wrote to memory of 4420 3044 csrss.exe 106 PID 3044 wrote to memory of 2384 3044 csrss.exe 108 PID 3044 wrote to memory of 2384 3044 csrss.exe 108 PID 3044 wrote to memory of 2384 3044 csrss.exe 108 PID 3044 wrote to memory of 4740 3044 csrss.exe 110 PID 3044 wrote to memory of 4740 3044 csrss.exe 110 PID 4608 wrote to memory of 2344 4608 windefender.exe 116 PID 4608 wrote to memory of 2344 4608 windefender.exe 116 PID 4608 wrote to memory of 2344 4608 windefender.exe 116 PID 2344 wrote to memory of 2348 2344 cmd.exe 117 PID 2344 wrote to memory of 2348 2344 cmd.exe 117 PID 2344 wrote to memory of 2348 2344 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\e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe"C:\Users\Admin\AppData\Local\Temp\e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040
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C:\Users\Admin\AppData\Local\Temp\e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.exe"C:\Users\Admin\AppData\Local\Temp\e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a.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:4736 -
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:1360
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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:3740 -
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:4084
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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:1376
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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:1548
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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:3044 -
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:4620
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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:4916
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2036
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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:4420
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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:2384
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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:4740
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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:648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4608 -
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:2344 -
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:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 9043⤵
- Program crash
PID:1308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4736 -ip 47361⤵PID:3352
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2828
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d453ec98fb8c1204766b9a0b5d325210
SHA1311f646d00602e81dbddea42abe1978730fd0f44
SHA25656dbf3d61c06d520c97ba683d9e88c5579d89a67208d9edb2a094f7796a38243
SHA512bfa5c3dd7f5f03526bb2e358eed86d517259bacbc3402a96c22897b8ff519c8c699ea781dd6169de5ab0483c9ac6351b253b99fcf5681891c40f9fc5b6c73d87
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c3fa6016171cf864a3981c127425604
SHA18b3f7caa44b852ebc1514be52d15e56ab7948443
SHA256a3865218f6aab93f71b49b4304ee3f0c3b60dd2b3dea681b78c16e657a4c611b
SHA5126ee6b640aa9228e23df8c84974c1c1573a204efe272dcb24bf6d2aed8a63798db248fa95ad7ee1f7fa08489f7afbeeff6160b6ff2de1cd8328d8b4aa4d50de5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57800aeb149b68fbd2e29be0399a2b8f5
SHA190fc20fb1c2f8c4100534b395509c874c725a3bb
SHA2569dd19e801272c71d976f7ff0fe54ee9457f888afdca0074e5e5f6e28c44cda2c
SHA512e38406b0a49a7adc434d9bacc520a416447e1e5250668ce713a8341c768f57f9e1ace6fb127da36f28262e7a9192c129543440c9298c462483e3f498660b9051
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b2a5a94da6495b060a44b223d4398c1
SHA1eb30ac2f5cd7bb23f989bfe39dcc9b02baaf168c
SHA25620c817ee0a924264ee54513d6d8d975762cc52774e0d797f3c3a7943d6d19d38
SHA5129b6a288aff1213189025df803a55d79e306ba7361c22d8621575f5f6b5725193523d404c422ff88572461c9405aef216e15f743cc55872067a680ff4a2a4aded
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fbc85eb6906d7b677ab9bb78ea6d2d7
SHA1e6c65c36121da5fbff21818758186921f3048487
SHA25660e157b9c20d672a343b770de3a911f606af3ab9bd59b9c3dd484b9ff41cc010
SHA512a05388b2d63c7c2ed1f8393357a0ac1a4ecb51d07f9b687fb43cdff6dab3cdfcc45be6c9551ea7a1accf3284e40b083cb25ce7b4c5c98aa7f7852139ab809c51
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Filesize
4.1MB
MD54243c63a6ae7d2f2a6861586700e4645
SHA13b47b3094ed17781aeea3409e24197520985e528
SHA256e62fdc59d427e703c1f03071d9c8793792ece68993db5fc910fe5d6427c8784a
SHA512a4ac0ff0d842af78205301584bd2f2c907b90396a19cec1c02bb3fe470ebfdece7e75e7fc0b9f5427c705e84cc4a771618d45978ef45d0845d173dd17aee9728
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec