Analysis
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max time kernel
19s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/04/2024, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe
Resource
win10v2004-20240419-en
General
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Target
c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe
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Size
4.2MB
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MD5
b10365f00b12962214ee27077e67be91
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SHA1
9b5a96732e498bd5085f6da72b709364932ba1f1
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SHA256
c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919
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SHA512
ef64087a739c26f0f859af2c156f208cc4afe4f78619df217e92567f2b93b7ed30477e7027968caa34ee9b77fafbef09c17eb6567cb861a883253e0206585238
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SSDEEP
98304:q2m5eOYCD1ID98VF2Kih+6YxfniOeVNR3JpIP6GA7sf3HgV11Gz:q2m5BYCDY8uVjYxfniXVNFJ2yR7sfQVi
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral2/memory/2356-2-0x0000000006540000-0x0000000006E2B000-memory.dmp family_glupteba behavioral2/memory/2356-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/2356-50-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/2356-51-0x0000000006540000-0x0000000006E2B000-memory.dmp family_glupteba behavioral2/memory/880-123-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-202-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-212-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-220-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-221-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-224-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-226-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-228-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-229-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/780-232-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 696 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 780 csrss.exe -
resource yara_rule behavioral2/files/0x000200000002aa1f-205.dat upx behavioral2/memory/1552-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2812-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1552-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2812-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2812-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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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Drops file in System32 directory 6 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 -
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 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe File opened for modification C:\Windows\rss c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1244 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3476 schtasks.exe 872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4300 powershell.exe 4300 powershell.exe 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2052 powershell.exe 2052 powershell.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2872 powershell.exe 2872 powershell.exe 1360 powershell.exe 1360 powershell.exe 1456 powershell.exe 1456 powershell.exe 1428 powershell.exe 1428 powershell.exe 1472 powershell.exe 1472 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Token: SeImpersonatePrivilege 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2356 wrote to memory of 4300 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 78 PID 2356 wrote to memory of 4300 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 78 PID 2356 wrote to memory of 4300 2356 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 78 PID 880 wrote to memory of 2052 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 83 PID 880 wrote to memory of 2052 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 83 PID 880 wrote to memory of 2052 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 83 PID 880 wrote to memory of 564 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 85 PID 880 wrote to memory of 564 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 85 PID 564 wrote to memory of 696 564 cmd.exe 87 PID 564 wrote to memory of 696 564 cmd.exe 87 PID 880 wrote to memory of 2872 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 88 PID 880 wrote to memory of 2872 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 88 PID 880 wrote to memory of 2872 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 88 PID 880 wrote to memory of 1360 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 90 PID 880 wrote to memory of 1360 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 90 PID 880 wrote to memory of 1360 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 90 PID 880 wrote to memory of 780 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 92 PID 880 wrote to memory of 780 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 92 PID 880 wrote to memory of 780 880 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 92 PID 780 wrote to memory of 1456 780 csrss.exe 93 PID 780 wrote to memory of 1456 780 csrss.exe 93 PID 780 wrote to memory of 1456 780 csrss.exe 93 PID 780 wrote to memory of 1428 780 csrss.exe 99 PID 780 wrote to memory of 1428 780 csrss.exe 99 PID 780 wrote to memory of 1428 780 csrss.exe 99 PID 780 wrote to memory of 1472 780 csrss.exe 101 PID 780 wrote to memory of 1472 780 csrss.exe 101 PID 780 wrote to memory of 1472 780 csrss.exe 101 -
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\c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe"C:\Users\Admin\AppData\Local\Temp\c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4300
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C:\Users\Admin\AppData\Local\Temp\c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe"C:\Users\Admin\AppData\Local\Temp\c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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:880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052
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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:564 -
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:696
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID: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:3476
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472
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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⤵PID:244
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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:872
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:1552
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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⤵PID:4944
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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
PID:1244
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:2812
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
MD5915db7dfea0d4cbb139a27d287470c25
SHA1049308d6d5051d1ff25b06d86d94dfea40b95bbd
SHA2566e7ba8d0f11d448a7edf378226cb8fa37f00134859e0dc27cbb71b4fad96f07d
SHA51201560b9e2c0be5b7feb08f8d819c398cb06c9b1c11faa6ef674e7958c1d74a55b7c0cf4bb126257e8ff1f571c45a64e48c5bd9b22b5b15d4c5f0f9a6bba42c9a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57657435f584dcb534b942cd2e29c11c6
SHA1549b8c21a494bf674e7361c2c92dfe2b1de6b949
SHA2565dd33397c3364ca14afdba585a0dc2dd8e9a48a51cfa651beecbda23dcfd0bdd
SHA5122fd47733e920ed8488f1cffeb2e9f4ea4259247ed22122bba4bf0f8063f4826ad0ff8ecd3c2804b53f08a2bea1e4fb52608b523b5b336d89edbe6bc8301e50dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564a344bd048524507f1b72dc4fe5d05d
SHA17786fc234b27bfa9b58cbf75aca74c2e681eb1be
SHA256755ab6a06739fdb99635f28e3c2132bdb71f54c3d6d9708358e95d51244e7bb5
SHA5121fc83f300e88cae1d01956c6d8b3402b53d9e34d60d32f6e5cde673a4530746f70707c430022e04612b78fb70aa33c9433d5b27125e948032632df90d79ae1cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570e21d05fc280236e4475c415b6c30af
SHA10ecd0674ed53288e5cff3a353478d9d452830b37
SHA25609a0d0b60b3c37331e6779a3907484dea3acb429e3745e590964dc7cae1ea63c
SHA5121e4bc36b17a1d617ddf153f89db3bf1ee0af3dcdf130b4567bccdfb54829561636d850db5a6d2e717e34265538d1cc089974f96f316b387b4b1a705b957cbea6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5774e817c9ca59eeb2b336d46416184c7
SHA1079940bb6e9a137a9265b0c166d24490d1e5433e
SHA256c5f3b2631a7fd2240551edcd4fbb33727237b1741983fd34b2c334ecb4328c5d
SHA512ec6a0b402fde54c1179a45e6e2d9cd01edbd5f01033bd629d683fe5df931dcb31217313496938b623e7b5975259debdc81c933458ab7752dc98e03fb8a2929df
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Filesize
4.2MB
MD5b10365f00b12962214ee27077e67be91
SHA19b5a96732e498bd5085f6da72b709364932ba1f1
SHA256c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919
SHA512ef64087a739c26f0f859af2c156f208cc4afe4f78619df217e92567f2b93b7ed30477e7027968caa34ee9b77fafbef09c17eb6567cb861a883253e0206585238
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec