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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
03/05/2024, 08:15
Static task
static1
Behavioral task
behavioral1
Sample
f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe
Resource
win10v2004-20240426-en
General
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Target
f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe
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Size
4.2MB
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MD5
71c244bbd9fcdf8138a7de96ca86a47b
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SHA1
48144fb371e4101c23f3a142eacbf1dd2da6c6d9
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SHA256
f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203
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SHA512
2af1b45cea90475d682372da2a75e5b9dcaffa341cb880f384f154057636ebb3f77a6cd5b6adffef540564c0193bc6d9eb4c50cfeff48194d5e5397050a0f265
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SSDEEP
98304:snfNS32KMrteVgkOwZku81o6S1qOcRI8Pa1SlFBmt8:m223eVgkHX8m6mD58P0S388
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4204-2-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/4204-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4204-78-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/4204-75-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/4204-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3308-135-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-195-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-207-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-216-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-220-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-224-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-228-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-232-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-236-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-241-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-244-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-248-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3976-252-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 904 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3976 csrss.exe 4672 injector.exe 3104 windefender.exe 2932 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab37-206.dat upx behavioral2/memory/3104-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2932-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3104-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2932-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2932-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\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 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 -
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 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe File created C:\Windows\rss\csrss.exe f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3860 sc.exe -
pid Process 5024 powershell.exe 1984 powershell.exe 4480 powershell.exe 988 powershell.exe 2856 powershell.exe 2592 powershell.exe 3460 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 464 schtasks.exe 4624 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,-384 = "Namibia Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.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,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2856 powershell.exe 2856 powershell.exe 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 2592 powershell.exe 2592 powershell.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 3460 powershell.exe 3460 powershell.exe 5024 powershell.exe 5024 powershell.exe 1984 powershell.exe 1984 powershell.exe 4480 powershell.exe 4480 powershell.exe 988 powershell.exe 988 powershell.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 3976 csrss.exe 3976 csrss.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 3976 csrss.exe 3976 csrss.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 3976 csrss.exe 3976 csrss.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe 4672 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Token: SeImpersonatePrivilege 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1984 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 988 powershell.exe Token: SeSystemEnvironmentPrivilege 3976 csrss.exe Token: SeSecurityPrivilege 3860 sc.exe Token: SeSecurityPrivilege 3860 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4204 wrote to memory of 2856 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 80 PID 4204 wrote to memory of 2856 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 80 PID 4204 wrote to memory of 2856 4204 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 80 PID 3308 wrote to memory of 2592 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 85 PID 3308 wrote to memory of 2592 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 85 PID 3308 wrote to memory of 2592 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 85 PID 3308 wrote to memory of 1932 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 87 PID 3308 wrote to memory of 1932 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 87 PID 1932 wrote to memory of 904 1932 cmd.exe 89 PID 1932 wrote to memory of 904 1932 cmd.exe 89 PID 3308 wrote to memory of 3460 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 90 PID 3308 wrote to memory of 3460 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 90 PID 3308 wrote to memory of 3460 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 90 PID 3308 wrote to memory of 5024 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 92 PID 3308 wrote to memory of 5024 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 92 PID 3308 wrote to memory of 5024 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 92 PID 3308 wrote to memory of 3976 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 94 PID 3308 wrote to memory of 3976 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 94 PID 3308 wrote to memory of 3976 3308 f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe 94 PID 3976 wrote to memory of 1984 3976 csrss.exe 95 PID 3976 wrote to memory of 1984 3976 csrss.exe 95 PID 3976 wrote to memory of 1984 3976 csrss.exe 95 PID 3976 wrote to memory of 4480 3976 csrss.exe 101 PID 3976 wrote to memory of 4480 3976 csrss.exe 101 PID 3976 wrote to memory of 4480 3976 csrss.exe 101 PID 3976 wrote to memory of 988 3976 csrss.exe 103 PID 3976 wrote to memory of 988 3976 csrss.exe 103 PID 3976 wrote to memory of 988 3976 csrss.exe 103 PID 3976 wrote to memory of 4672 3976 csrss.exe 105 PID 3976 wrote to memory of 4672 3976 csrss.exe 105 PID 3104 wrote to memory of 5064 3104 windefender.exe 111 PID 3104 wrote to memory of 5064 3104 windefender.exe 111 PID 3104 wrote to memory of 5064 3104 windefender.exe 111 PID 5064 wrote to memory of 3860 5064 cmd.exe 112 PID 5064 wrote to memory of 3860 5064 cmd.exe 112 PID 5064 wrote to memory of 3860 5064 cmd.exe 112 -
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\f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe"C:\Users\Admin\AppData\Local\Temp\f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2856
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C:\Users\Admin\AppData\Local\Temp\f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.exe"C:\Users\Admin\AppData\Local\Temp\f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203.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:3308 -
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:2592
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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:1932 -
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:904
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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:3460
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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:5024
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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:3976 -
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:1984
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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:464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2604
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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:4480
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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:988
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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:4672
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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:4624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3104 -
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:5064 -
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:3860
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2932
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
MD5423ccc8dbc45f83570f6717833a4f417
SHA19de1080edbf208088b225affc2cf19090b4ea0ae
SHA256d4c993f4392998dab8d4021146038e04ae07a9ef28f3955429a70d1755859fb3
SHA5122d75ba1d15a3bfa9c7afcea7fdc8cf0a9f289cc1c57089c9331e3c7c0df658ad0c0abaaa26fc49693d67dc8ddbfe38f7460829004b994e366317ad2836b11a3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55691c1ba995f5124e1674827be7d020c
SHA12a871426f4c7af8c05f74ee41093fbe7152a558a
SHA2561a5b7faebc9de52c862e27b0ce45e4b8f6aded0a676072f89a10e220494e3b4a
SHA5128c7ebea88025b1ad6b5afc23708e9eec1b4413a287bf9b5dcf99afa5ebb31f2c3bc62536aac2595d195721bed50215a30f5966cddf7b4feeedb1753bfe283f2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55945324e6a93c49ea74dfa07e1029ad0
SHA1adc41002e245a8d7dd3be4ecb067da99160c38f7
SHA25666ba434b1db7a860d370b07d998bfb47018c2f0212432fb397b5e2ef4df1109b
SHA5123404ea495579705d2637c45388501a0b106c2c35caff0c6307eb214e4dc75f1de4a9d88267674a95b776a0d800319159e4ff1d64f745ad7a56248239fc375fcb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8b5a582ded588540f8d53c32fd38144
SHA1226faa329690db9d8f59f85b384f72c6b9df42a3
SHA2561f15e0fb0042167060f7faa6aa6af2e46c8c14d321eab391b34ce75debece654
SHA512d82b073ef3a798d4818a9ff86d5c493538d187df6358da22ca05826f2f2d38fcb2458883f258d215084335c03f5370cbc22cb0f14dc39db06c4b5dfdf31df496
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba5de51b018cdd397d6a170ac2c748b3
SHA1cd39b68f57d702d2fb5cd959b8039072adf48ee6
SHA25651c8a16bf8e9bb5054c3ca921740bd08fcdd54928e9bbb9d7ab38ce03a711f93
SHA512a2bf27e3ad18ff9eb140d16233428e0f640454edf07f1ff0e612f1e9a60e235c7ca5d670abdb5441d1168812ffb69318413bd6a0674d44db5ee39bfbfbaf2299
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Filesize
4.2MB
MD571c244bbd9fcdf8138a7de96ca86a47b
SHA148144fb371e4101c23f3a142eacbf1dd2da6c6d9
SHA256f47b1879694eaded047bec8cab2a70be018a81f55a5f72e62b5f3ee5995fe203
SHA5122af1b45cea90475d682372da2a75e5b9dcaffa341cb880f384f154057636ebb3f77a6cd5b6adffef540564c0193bc6d9eb4c50cfeff48194d5e5397050a0f265
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec