Analysis
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max time kernel
149s -
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
22/04/2024, 10:04
Static task
static1
Behavioral task
behavioral1
Sample
b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe
Resource
win10v2004-20240412-en
General
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Target
b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe
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Size
4.2MB
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MD5
00ccd105383a053946d8fde4c99e4ea2
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SHA1
ea4982e81d2a978e2eb9c7ade430500b7c409673
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SHA256
b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416
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SHA512
0bd8ea5569632228f909f1183dab2e04b5c19c0d48d44813cd19be5813dbc891c833c4b4164dc2720f944b7d3685a085420af3f03f4625d5c034a2ded9f618e6
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SSDEEP
98304:e6bGcTxbPOTep5ySarFN57/PmIfwVMKO/nFXCyzFhv19:NdPO6nyS+fdHmIfOO/nFXCy319
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/2264-2-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/2264-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2264-45-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2264-47-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/1656-51-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1656-101-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1656-139-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1656-146-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-152-0x00000000055A0000-0x0000000005E8B000-memory.dmp family_glupteba behavioral1/memory/1584-153-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-196-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-251-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-261-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-264-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-267-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-270-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-273-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-279-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-282-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1584-285-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4772 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1584 csrss.exe 4180 injector.exe 3076 windefender.exe 1736 windefender.exe -
resource yara_rule behavioral1/files/0x00140000000233f5-254.dat upx behavioral1/memory/3076-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1736-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1736-269-0x0000000000400000-0x00000000008DF000-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\"" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe File created C:\Windows\rss\csrss.exe b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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 1572 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1100 2852 WerFault.exe 89 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3600 schtasks.exe 3176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.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,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2852 powershell.exe 2852 powershell.exe 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1192 powershell.exe 1192 powershell.exe 1192 powershell.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 1720 powershell.exe 1720 powershell.exe 1720 powershell.exe 3992 powershell.exe 3992 powershell.exe 3992 powershell.exe 772 powershell.exe 772 powershell.exe 772 powershell.exe 528 powershell.exe 528 powershell.exe 528 powershell.exe 3872 powershell.exe 3872 powershell.exe 3872 powershell.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 1584 csrss.exe 1584 csrss.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 1584 csrss.exe 1584 csrss.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 1584 csrss.exe 1584 csrss.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe 4180 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Token: SeImpersonatePrivilege 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeSystemEnvironmentPrivilege 1584 csrss.exe Token: SeSecurityPrivilege 1572 sc.exe Token: SeSecurityPrivilege 1572 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2264 wrote to memory of 2852 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 89 PID 2264 wrote to memory of 2852 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 89 PID 2264 wrote to memory of 2852 2264 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 89 PID 1656 wrote to memory of 1192 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 103 PID 1656 wrote to memory of 1192 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 103 PID 1656 wrote to memory of 1192 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 103 PID 1656 wrote to memory of 1984 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 105 PID 1656 wrote to memory of 1984 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 105 PID 1984 wrote to memory of 4772 1984 cmd.exe 107 PID 1984 wrote to memory of 4772 1984 cmd.exe 107 PID 1656 wrote to memory of 1720 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 108 PID 1656 wrote to memory of 1720 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 108 PID 1656 wrote to memory of 1720 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 108 PID 1656 wrote to memory of 3992 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 110 PID 1656 wrote to memory of 3992 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 110 PID 1656 wrote to memory of 3992 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 110 PID 1656 wrote to memory of 1584 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 112 PID 1656 wrote to memory of 1584 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 112 PID 1656 wrote to memory of 1584 1656 b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe 112 PID 1584 wrote to memory of 772 1584 csrss.exe 115 PID 1584 wrote to memory of 772 1584 csrss.exe 115 PID 1584 wrote to memory of 772 1584 csrss.exe 115 PID 1584 wrote to memory of 528 1584 csrss.exe 121 PID 1584 wrote to memory of 528 1584 csrss.exe 121 PID 1584 wrote to memory of 528 1584 csrss.exe 121 PID 1584 wrote to memory of 3872 1584 csrss.exe 123 PID 1584 wrote to memory of 3872 1584 csrss.exe 123 PID 1584 wrote to memory of 3872 1584 csrss.exe 123 PID 1584 wrote to memory of 4180 1584 csrss.exe 125 PID 1584 wrote to memory of 4180 1584 csrss.exe 125 PID 3076 wrote to memory of 3900 3076 windefender.exe 131 PID 3076 wrote to memory of 3900 3076 windefender.exe 131 PID 3076 wrote to memory of 3900 3076 windefender.exe 131 PID 3900 wrote to memory of 1572 3900 cmd.exe 132 PID 3900 wrote to memory of 1572 3900 cmd.exe 132 PID 3900 wrote to memory of 1572 3900 cmd.exe 132 -
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\b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe"C:\Users\Admin\AppData\Local\Temp\b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 24803⤵
- Program crash
PID:1100
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C:\Users\Admin\AppData\Local\Temp\b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.exe"C:\Users\Admin\AppData\Local\Temp\b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416.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:1656 -
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:1192
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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:1984 -
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:4772
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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:1720
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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:3992
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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:1584 -
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:772
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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:3600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4280
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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:528
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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:3872
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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:4180
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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:3176
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3076 -
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:3900 -
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:1572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2852 -ip 28521⤵PID:892
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1736
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
MD5900c3730e77140185d6b87b8575624f2
SHA18f19bebfea67fbc791b8d38499782a4d65f14c7d
SHA256d2d010bf1ef32faedfdd95ef40047e6e465343a8b7b1de4a8790e27aac3f2adf
SHA51284831b40e7a44f3b76a7f6a26d34200deefdf961783199a15dc815a3ab307a18e2a606e70beeca737a3f8590f615c115c7d580b5564b129ea967e3acda6d9178
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5765ac8df0e4e9ff33e7cbc2507c951e3
SHA12a1a8df2cec2cf3da5715e62db0ef0e952c9c1a7
SHA2561cd0f51d99b4c98f820d78bef5ebdede822a38e1a7f8edca5fe15c82002aab25
SHA5128c7774a9d30f2bdf1249a0452ad610dfadc295c9d9a95e8f9444c5d2df9ded34b263e000db90c642caa6860d3e2ddc2284c7e03c68751380c460905d8b27767b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5156aeb2ef8b7d3076857443af92b45ae
SHA134ba19f50155d6ffb9055836502a533d4858b0e7
SHA256a7200cc375dcd91c2635901258f886f5a4550adc02ff78ca9ce687a878ed32a4
SHA51282ca49e681b9bbf36dc5657dc390acf83f06f76c85e46f9e06f1595861075affb974798bcbe260f9bb76c55b2d26ae2b7633a612b3a1f0eb246b6efbd4e2a4c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a56d51616d1a5cb826f6a9bc9cb05f0c
SHA1f7a7704422a06f89e462c7fb22d6837b3878bf35
SHA256bd4420a3ef6188005999e44eb316f582519a12acffd6b2c3d788a9df923bbe1c
SHA512f25d74623366ebfb1a9f1c848f9b8562a3112156520667e33e31fd39d6dc233342a39b134d1eb37e175d9cde206f865d689a88255ab6a2726c5350c34c3f689d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586c5beb14e59ec4a8fef6e5f66cdff87
SHA1a7369e84c99957ac60d70b328fc1f8428fbb1c4b
SHA256c26d6e05ec4f5259e22bdc9994e4f6037a8a6079adc821f2f0faf61d824d842a
SHA512694f01f48b596e1492904484fb6d7a64c7d057e7ef1e4be9e3a0949dfc031c58cd7d162180e87437c909691b58741ddf55804c97fe1aac6bf0d4991195ac6d4a
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Filesize
4.2MB
MD500ccd105383a053946d8fde4c99e4ea2
SHA1ea4982e81d2a978e2eb9c7ade430500b7c409673
SHA256b0a9df12fe59dd3d7beb1b95f0dfbe6ae5d364692b28dec45c6d633ca3a33416
SHA5120bd8ea5569632228f909f1183dab2e04b5c19c0d48d44813cd19be5813dbc891c833c4b4164dc2720f944b7d3685a085420af3f03f4625d5c034a2ded9f618e6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec