Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 21:58
Static task
static1
Behavioral task
behavioral1
Sample
JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe
Resource
win10v2004-20240802-en
General
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Target
JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe
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Size
4.2MB
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MD5
9baf237ad5f0ffb7a3d711f4fa053a74
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SHA1
2a73e1a6a1b9a246506f52dc832587f7c1fc671c
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SHA256
774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1
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SHA512
cbf5910b1234e812aa3fec86d8dec0ae1293b1e0a47c8d437021ce46e1ac2b3027f8b761758a93055747a14ca2153cad6eb0df098517ec5c0b910ce8fbeb81c2
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SSDEEP
98304:gsRcNuB8Itle9glkMIku3afIOxmZPY9+ud1wcGNOYk:KItfqlrafCPW1mfk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3460-1-0x0000000004A30000-0x000000000531B000-memory.dmp family_glupteba behavioral2/memory/3460-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3460-54-0x0000000004A30000-0x000000000531B000-memory.dmp family_glupteba behavioral2/memory/3460-56-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3460-55-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/4392-134-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-212-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-219-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-220-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-221-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-222-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-223-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-224-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-225-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-226-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-227-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-228-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-229-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba behavioral2/memory/3052-230-0x0000000000400000-0x0000000002817000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3512 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3052 csrss.exe 2696 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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 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 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe File created C:\Windows\rss\csrss.exe JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe -
pid Process 936 powershell.exe 4060 powershell.exe 116 powershell.exe 4752 powershell.exe 856 powershell.exe 3652 powershell.exe 856 powershell.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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,-931 = "Coordinated Universal Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-352 = "FLE Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2800 schtasks.exe 1556 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 856 powershell.exe 856 powershell.exe 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 936 powershell.exe 936 powershell.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 4060 powershell.exe 4060 powershell.exe 116 powershell.exe 116 powershell.exe 4752 powershell.exe 4752 powershell.exe 856 powershell.exe 856 powershell.exe 3652 powershell.exe 3652 powershell.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 3052 csrss.exe 3052 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 3052 csrss.exe 3052 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Token: SeImpersonatePrivilege 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe Token: SeDebugPrivilege 936 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 116 powershell.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeSystemEnvironmentPrivilege 3052 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3460 wrote to memory of 856 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 109 PID 3460 wrote to memory of 856 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 109 PID 3460 wrote to memory of 856 3460 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 109 PID 4392 wrote to memory of 936 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 93 PID 4392 wrote to memory of 936 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 93 PID 4392 wrote to memory of 936 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 93 PID 4392 wrote to memory of 4496 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 95 PID 4392 wrote to memory of 4496 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 95 PID 4496 wrote to memory of 3512 4496 cmd.exe 97 PID 4496 wrote to memory of 3512 4496 cmd.exe 97 PID 4392 wrote to memory of 4060 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 98 PID 4392 wrote to memory of 4060 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 98 PID 4392 wrote to memory of 4060 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 98 PID 4392 wrote to memory of 116 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 100 PID 4392 wrote to memory of 116 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 100 PID 4392 wrote to memory of 116 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 100 PID 4392 wrote to memory of 3052 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 102 PID 4392 wrote to memory of 3052 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 102 PID 4392 wrote to memory of 3052 4392 JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe 102 PID 3052 wrote to memory of 4752 3052 csrss.exe 103 PID 3052 wrote to memory of 4752 3052 csrss.exe 103 PID 3052 wrote to memory of 4752 3052 csrss.exe 103 PID 3052 wrote to memory of 856 3052 csrss.exe 109 PID 3052 wrote to memory of 856 3052 csrss.exe 109 PID 3052 wrote to memory of 856 3052 csrss.exe 109 PID 3052 wrote to memory of 3652 3052 csrss.exe 111 PID 3052 wrote to memory of 3652 3052 csrss.exe 111 PID 3052 wrote to memory of 3652 3052 csrss.exe 111 PID 3052 wrote to memory of 2696 3052 csrss.exe 113 PID 3052 wrote to memory of 2696 3052 csrss.exe 113 -
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\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe"C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe"C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936
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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:4496 -
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
- Event Triggered Execution: Netsh Helper DLL
PID:3512
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:116
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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.
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:2800
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4220
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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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:2696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1556
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
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
MD50c77d3b3452d1af87b3093027559244a
SHA14681a0a204f34f2203b775990d80ec58bb512a6f
SHA25612c09021b66355f3c3c5627fe1b1c078cb04dbd249852c4767d33c08481fda17
SHA512e9269f515d29cf535f6eaa7a2a655adf489c8d648a901ddf0797c7a8e4f96b2d7b0737545d36a12cf3aa9ca4362873334d22f501fbd9e9af1fe3dd03f0b3f695
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528704baf009d5cba9d5fd0f0a22e7f31
SHA1aee7e845ae9115299af0ce7f543dca1e3a183ce7
SHA256ee1ff7407311fc47c005f1222a894059f7839ef7bed0ccd08c370744cfc3fb66
SHA51262d39963b006a322586680a1eeddaeaf2b235625d9b3786b91984848b8c69f341d8534ab568062acdf9903a9402a4f0e771b7d28bcf6bf83b9e9de479dbd08b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ed800fbb1730fe4434f0c6fdbc3d1b1
SHA1e25e182f5a26ad87e3f456f101a9d585b53c83f0
SHA25699a371d66fd03da0f278c2817f6f1353acac384eda758cef6400ebd12414b6a6
SHA5123001303c1c7a56d0b3c00f3ba33163133b43c4a53cb124560503b53ebaa8e7af6c38bf5caf8c1eefba1578a4f06ecc9bbb181d389541e212ffcbf79cdcdf7d0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee2bdb0a6936dd928d9d1f8433b4a58f
SHA113cde695fac4962a6d106cf78fbf0afb82691adb
SHA256a4957fadf4c5f19efae96ffc8fbb119a0e5afcb3ed5767e8f2864c7df016ee95
SHA5121d505896851493fe51b6fb67f2618df26efc92575de1b5e33456e83605861c3696df7add977c29aa55de1974679183fb5ea5ccc849a31edc8b788f386f12f615
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54784258dc8a42f0a2324691ba659358a
SHA12a0d82acc97787062bc7c6028088e511456b112c
SHA256c3f805fcd763e088c1be496d2c2873cba83c13b452c3a94d80a39ba5cfa351bb
SHA51233652c692f503601346dc3070062318ba2fd55fd1fc9aaedb6154445d5a3741c5573819d77945fd560cc03e3663d0887ee16690ab96fb171410b79922389109c
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Filesize
4.2MB
MD59baf237ad5f0ffb7a3d711f4fa053a74
SHA12a73e1a6a1b9a246506f52dc832587f7c1fc671c
SHA256774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1
SHA512cbf5910b1234e812aa3fec86d8dec0ae1293b1e0a47c8d437021ce46e1ac2b3027f8b761758a93055747a14ca2153cad6eb0df098517ec5c0b910ce8fbeb81c2