Analysis
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max time kernel
150s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 18 IoCs
resource yara_rule behavioral1/memory/2100-2-0x0000000006C40000-0x000000000752B000-memory.dmp family_glupteba behavioral1/memory/2100-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2100-77-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2100-104-0x0000000006C40000-0x000000000752B000-memory.dmp family_glupteba behavioral1/memory/2160-127-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2160-132-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-160-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-217-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-219-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-221-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-222-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-225-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-227-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-229-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-231-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-233-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-235-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/2876-237-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2416 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2876 csrss.exe 5092 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\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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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe File created C:\Windows\rss\csrss.exe c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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 844 schtasks.exe 244 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,-691 = "Tasmania Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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\SystemCertificates\CA 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,-372 = "Jerusalem Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-452 = "Caucasus Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-231 = "Hawaiian Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.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\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\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,-384 = "Namibia Daylight Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5040 powershell.exe 5040 powershell.exe 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2868 powershell.exe 2868 powershell.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 1632 powershell.exe 1632 powershell.exe 4588 powershell.exe 4588 powershell.exe 2108 powershell.exe 2108 powershell.exe 1752 powershell.exe 1752 powershell.exe 1156 powershell.exe 1156 powershell.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 2876 csrss.exe 2876 csrss.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 2876 csrss.exe 2876 csrss.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Token: SeImpersonatePrivilege 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 1752 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeSystemEnvironmentPrivilege 2876 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2100 wrote to memory of 5040 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 86 PID 2100 wrote to memory of 5040 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 86 PID 2100 wrote to memory of 5040 2100 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 86 PID 2160 wrote to memory of 2868 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 93 PID 2160 wrote to memory of 2868 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 93 PID 2160 wrote to memory of 2868 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 93 PID 2160 wrote to memory of 2740 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 95 PID 2160 wrote to memory of 2740 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 95 PID 2740 wrote to memory of 2416 2740 cmd.exe 97 PID 2740 wrote to memory of 2416 2740 cmd.exe 97 PID 2160 wrote to memory of 1632 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 98 PID 2160 wrote to memory of 1632 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 98 PID 2160 wrote to memory of 1632 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 98 PID 2160 wrote to memory of 4588 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 100 PID 2160 wrote to memory of 4588 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 100 PID 2160 wrote to memory of 4588 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 100 PID 2160 wrote to memory of 2876 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 102 PID 2160 wrote to memory of 2876 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 102 PID 2160 wrote to memory of 2876 2160 c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919.exe 102 PID 2876 wrote to memory of 2108 2876 csrss.exe 103 PID 2876 wrote to memory of 2108 2876 csrss.exe 103 PID 2876 wrote to memory of 2108 2876 csrss.exe 103 PID 2876 wrote to memory of 1752 2876 csrss.exe 110 PID 2876 wrote to memory of 1752 2876 csrss.exe 110 PID 2876 wrote to memory of 1752 2876 csrss.exe 110 PID 2876 wrote to memory of 1156 2876 csrss.exe 112 PID 2876 wrote to memory of 1156 2876 csrss.exe 112 PID 2876 wrote to memory of 1156 2876 csrss.exe 112 PID 2876 wrote to memory of 5092 2876 csrss.exe 114 PID 2876 wrote to memory of 5092 2876 csrss.exe 114 -
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:2100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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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:2160 -
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:2868
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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:2740 -
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:2416
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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:1632
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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:4588
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
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:2108
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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:844
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1200
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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:1752
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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:1156
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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:5092
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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:244
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5045db488babed1a128eaab4ae9c53cc3
SHA14880b3831185a35aa31e3ce34642cc7e47706f84
SHA25654da94e97c851183d0615ed4944907104d815df242dd751783fc81d2ad1e5773
SHA512fdd65c88c2ed18dd0b29b98b6b7e3f1a8c2bc04054a68642fa68e40eb8cdb39daed4f2b8170aca9592bbc971aaeada61e12f6050f2eae2a7dc63ddc8f9a2dcd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597d70c5cbfabefd6bd94a23e874ba70b
SHA13e4ad814b1bb9a18b881c9310e8b1c09d9cfe51e
SHA256ad06ce39510c959fd3f38b90e567a207e1b61af5f965325d7936fa89543455ed
SHA512fdcd632d08b53814d5157689350f3043beed9fa25a0363e0946c151f67b23efc953a9e321d4b6e3e656c2aa0c3203dcc1d1e59cb97cc23a8a7a50365e8c107f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5658c768676479f13e5c6210b6b17d9b4
SHA1b784c68a28b1c498a8a31a4f3a7fe5a169778347
SHA2561296f1e88bdc470fe36dcbf6bf6ee75dcb6ad59295a613b021cf06bef3a334e5
SHA51241168d1aabf25739bd20a77256f9af944f07a210b6f2885e83bad8ce7cbff0ec0c2af3ab2719df0416e1331ec5f643d60edf5a0c402926d2fda3bcce8a8eae99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5071094184263ba3cb99b1f0d9d38e0db
SHA1ceb6999d84a407aff69319a268c795512c147b97
SHA256bddbba55f60a3f41e95df7de776af1c0459cb8a86d4d0fa325b9570639e56707
SHA5124e2496a8e8484959e9a429f39a8a0c867e41d3f7ff62107079e24a2be720e0138600745953cc7f95000be5754fe22bafbda304fe386edcbc5e1881be3e0e112f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546889ca1b06dd8f4b6da316ba9f7be99
SHA13c40c91b6fccf8f514a0f293999ececbcd7f8736
SHA256537f62c6d5b25ef1d272761b59878b2aab6fe6ce04b02a13b290e3cee1529256
SHA512f7b3db12e7144393dc79b853ca1671dc913a6c586039738940891e3b00bd2f5f444b92cd98c3be974d016864705c3034d5155bd28ed4fe180d600ceb3862c10e
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Filesize
4.2MB
MD5b10365f00b12962214ee27077e67be91
SHA19b5a96732e498bd5085f6da72b709364932ba1f1
SHA256c2b1475408b163a223e84badcee44bd59fe4305d02ce9a8b0ce34986360ab919
SHA512ef64087a739c26f0f859af2c156f208cc4afe4f78619df217e92567f2b93b7ed30477e7027968caa34ee9b77fafbef09c17eb6567cb861a883253e0206585238