Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:36
Static task
static1
Behavioral task
behavioral1
Sample
1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe
Resource
win10v2004-20240412-en
General
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Target
1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe
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Size
4.2MB
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MD5
f52c6b12e3c4d29c8e2687fe392978a9
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SHA1
6a4f10ec80c7e827b77fb381f00ef36bf6bba5ae
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SHA256
1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e
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SHA512
578002f102951ec164fbf2fb0d600b0f318888ded70103bc3c1b91b6ce9b2232d70bf5b65dd38e3071e9db48dc2155895986ee68e03e508c4bbc9709a60c1a8b
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SSDEEP
98304:KS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7OR/:LEcJzF4UNHqA/dsmoVS4YAf19M
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1912-2-0x0000000004070000-0x000000000495B000-memory.dmp family_glupteba behavioral1/memory/1912-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4396-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4396-58-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral1/memory/1912-92-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4396-188-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-293-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-297-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-301-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-305-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-309-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4484-313-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4484 csrss.exe 688 injector.exe 3000 windefender.exe 3664 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002345e-262.dat upx behavioral1/memory/3000-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 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 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe File created C:\Windows\rss\csrss.exe 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3836 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 3248 schtasks.exe 5056 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2424 powershell.exe 2424 powershell.exe 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 5072 powershell.exe 5072 powershell.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 2080 powershell.exe 2080 powershell.exe 2080 powershell.exe 2504 powershell.exe 2504 powershell.exe 2504 powershell.exe 1264 powershell.exe 1264 powershell.exe 1264 powershell.exe 4632 powershell.exe 4632 powershell.exe 4632 powershell.exe 2220 powershell.exe 2220 powershell.exe 2220 powershell.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 4484 csrss.exe 4484 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 4484 csrss.exe 4484 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 4484 csrss.exe 4484 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Token: SeImpersonatePrivilege 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 2080 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeSystemEnvironmentPrivilege 4484 csrss.exe Token: SeSecurityPrivilege 3836 sc.exe Token: SeSecurityPrivilege 3836 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1912 wrote to memory of 2424 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 92 PID 1912 wrote to memory of 2424 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 92 PID 1912 wrote to memory of 2424 1912 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 92 PID 4396 wrote to memory of 5072 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 97 PID 4396 wrote to memory of 5072 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 97 PID 4396 wrote to memory of 5072 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 97 PID 4396 wrote to memory of 3824 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 101 PID 4396 wrote to memory of 3824 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 101 PID 3824 wrote to memory of 2984 3824 cmd.exe 103 PID 3824 wrote to memory of 2984 3824 cmd.exe 103 PID 4396 wrote to memory of 2080 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 104 PID 4396 wrote to memory of 2080 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 104 PID 4396 wrote to memory of 2080 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 104 PID 4396 wrote to memory of 2504 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 107 PID 4396 wrote to memory of 2504 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 107 PID 4396 wrote to memory of 2504 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 107 PID 4396 wrote to memory of 4484 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 109 PID 4396 wrote to memory of 4484 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 109 PID 4396 wrote to memory of 4484 4396 1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe 109 PID 4484 wrote to memory of 1264 4484 csrss.exe 111 PID 4484 wrote to memory of 1264 4484 csrss.exe 111 PID 4484 wrote to memory of 1264 4484 csrss.exe 111 PID 4484 wrote to memory of 4632 4484 csrss.exe 116 PID 4484 wrote to memory of 4632 4484 csrss.exe 116 PID 4484 wrote to memory of 4632 4484 csrss.exe 116 PID 4484 wrote to memory of 2220 4484 csrss.exe 120 PID 4484 wrote to memory of 2220 4484 csrss.exe 120 PID 4484 wrote to memory of 2220 4484 csrss.exe 120 PID 4484 wrote to memory of 688 4484 csrss.exe 122 PID 4484 wrote to memory of 688 4484 csrss.exe 122 PID 3000 wrote to memory of 1040 3000 windefender.exe 129 PID 3000 wrote to memory of 1040 3000 windefender.exe 129 PID 3000 wrote to memory of 1040 3000 windefender.exe 129 PID 1040 wrote to memory of 3836 1040 cmd.exe 130 PID 1040 wrote to memory of 3836 1040 cmd.exe 130 PID 1040 wrote to memory of 3836 1040 cmd.exe 130 -
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\1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe"C:\Users\Admin\AppData\Local\Temp\1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2424
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C:\Users\Admin\AppData\Local\Temp\1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.exe"C:\Users\Admin\AppData\Local\Temp\1cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e.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:4396 -
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:5072
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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:3824 -
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:2984
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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:2080
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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:2504
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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:4484 -
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:1264
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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:3248
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4624
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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:4632
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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:2220
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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:688
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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:5056
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3000 -
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:1040 -
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:3836
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3664
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b823457561667580a957d0452d3af90
SHA187f0c1b0cabce0cc6b3f1c3e1528a7c576b842b5
SHA256bbcf85b756442682707de919ab574f6a65aa214aaae0dcaeaa010d7edc60ec68
SHA512cd66887625919c611c32ff9142e7aea2ca594d552d280a8c6c10abb554e06c066afdd9c057b91ddcc1f82fc7026e80cfdf6a8a4441f6fc8e08c6602e3351eb97
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581c1e3b40d5261549d3cd8bc7fd3b18e
SHA1360af61b0b28b8f91bcb8b1ea5d4ffb1dbf17748
SHA256ec441abee1ac81d766428c41469954b4a5af0a743fa8ff7fffb775e06ba438d9
SHA512e0eea8176f64329b909a3a55ea838bb945c638da95a3fcd65ae912e9dec0ad2b4b485fb60d3a24484d18973f68e89a1d2dd45e1dd93a14b25337830573de065a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6821f09dd0ee21babe01ff5bfd204df
SHA10ad9dc04fb937b83908c5e78620d54702e114f08
SHA25699696d252064c7a2178a48f60b4b75c79a9e711f46a3f650d28b8b739d7a5f81
SHA512da19a916d7a4ff27702bcdadb4d13e09832da6b06395c656686ea50d9b23d244be549ed205d1e5a39c336198e0ba2c275a471fc83b2e5f68e5f1a71ff62cf899
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517c3c5ff327a98d61eaffca14709cebc
SHA135238f81479c45a5c2676e3400ffec4fdb486efa
SHA2565e1ecc25f91233a4529d436f4beaf18d8e7c287bee14f9008d671040965e591c
SHA51298596122e3f2412ef34b380cd9e24f039856229f6a47ae2a1a1eeab996b67f4335e85e32ca69f555529b70ad42ae0a9e8dba6c8ddcd695bd2d98d6855df5f1a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579cf833faae01cb6bc65fe624bf89b8b
SHA1d379efc39b8a8a7c2bc53aa7e56c2f9cadc6412f
SHA2564c4418e7eed77d3edde446c509c353a33330c27349b8d3fabdd5b444c7d4b81f
SHA5127bb91aa0bcd9c67831ddee1b654d3c2b0d43b5d0be8a1ae5a695fe44dc5377b80aefc1da31503fd91ed8383faa01b1173cd865d0a439ff7b2bca4025cc247bb6
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Filesize
4.2MB
MD5f52c6b12e3c4d29c8e2687fe392978a9
SHA16a4f10ec80c7e827b77fb381f00ef36bf6bba5ae
SHA2561cea9a5cf0e8b62af174f98eeb7289cefa778f4cc1e024d775abb75f932e7e2e
SHA512578002f102951ec164fbf2fb0d600b0f318888ded70103bc3c1b91b6ce9b2232d70bf5b65dd38e3071e9db48dc2155895986ee68e03e508c4bbc9709a60c1a8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec