Analysis Overview
SHA256
156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673
Threat Level: Known bad
The file 156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.sample was found to be: Known bad.
Malicious Activity Summary
DarkSide
Drops file in System32 directory
Drops file in Windows directory
Suspicious use of SendNotifyMessage
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Modifies data under HKEY_USERS
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-02 04:36
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-02 04:36
Reported
2022-02-02 04:41
Platform
win10-en-20211208
Max time kernel
246s
Max time network
248s
Command Line
Signatures
DarkSide
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\rescache\_merged\4183903823\97717462.pri | C:\Windows\system32\taskmgr.exe | N/A |
| File created | C:\Windows\rescache\_merged\1601268389\1361672858.pri | C:\Windows\system32\taskmgr.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000_Classes\Local Settings | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.30b346f4\ = "30b346f4" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4\DefaultIcon | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4\DefaultIcon\ = "C:\\ProgramData\\30b346f4.ico" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3992.0.320327996\1087374056" -parentBuildID 20200403170909 -prefsHandle 1520 -prefMapHandle 1512 -prefsLen 1 -prefMapSize 219808 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3992 "\\.\pipe\gecko-crash-server-pipe.3992" 1612 gpu
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3992.6.2101120339\329837940" -childID 1 -isForBrowser -prefsHandle 2896 -prefMapHandle 2892 -prefsLen 156 -prefMapSize 219808 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3992 "\\.\pipe\gecko-crash-server-pipe.3992" 2908 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3992.13.362001218\1614522103" -childID 2 -isForBrowser -prefsHandle 2760 -prefMapHandle 3132 -prefsLen 196 -prefMapSize 219808 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3992 "\\.\pipe\gecko-crash-server-pipe.3992" 2836 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3992.20.1618842082\283422053" -childID 3 -isForBrowser -prefsHandle 3580 -prefMapHandle 3576 -prefsLen 6950 -prefMapSize 219808 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3992 "\\.\pipe\gecko-crash-server-pipe.3992" 3592 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3992.27.2025427947\1797354232" -childID 4 -isForBrowser -prefsHandle 3996 -prefMapHandle 4028 -prefsLen 6950 -prefMapSize 219808 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3992 "\\.\pipe\gecko-crash-server-pipe.3992" 4016 tab
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#3 worker0 job0-4256
Network
| Country | Destination | Domain | Proto |
| DE | 23.51.123.27:80 | tcp | |
| N/A | 127.0.0.1:49685 | tcp | |
| US | 8.8.8.8:53 | mozilla.org | udp |
| US | 8.8.8.8:53 | mozilla.org | udp |
| N/A | 127.0.0.1:49690 | tcp | |
| US | 8.8.8.8:53 | detectportal.firefox.com | udp |
| US | 8.8.8.8:53 | prod.detectportal.prod.cloudops.mozgcp.net | udp |
| US | 8.8.8.8:53 | prod.detectportal.prod.cloudops.mozgcp.net | udp |
| US | 34.107.221.82:80 | prod.detectportal.prod.cloudops.mozgcp.net | tcp |
| N/A | 127.0.0.1:49693 | tcp | |
| US | 8.8.8.8:53 | location.services.mozilla.com | udp |
| US | 52.88.6.42:443 | location.services.mozilla.com | tcp |
| US | 8.8.8.8:53 | locprod2-elb-us-west-2.prod.mozaws.net | udp |
| US | 8.8.8.8:53 | locprod2-elb-us-west-2.prod.mozaws.net | udp |
| N/A | 127.0.0.1:49695 | tcp | |
| N/A | 127.0.0.1:49699 | tcp | |
| US | 8.8.8.8:53 | cs9.wac.phicdn.net | udp |
| US | 8.8.8.8:53 | cs9.wac.phicdn.net | udp |
| US | 8.8.8.8:53 | push.services.mozilla.com | udp |
| US | 8.8.8.8:53 | autopush.prod.mozaws.net | udp |
| US | 8.8.8.8:53 | search.services.mozilla.com | udp |
| US | 8.8.8.8:53 | autopush.prod.mozaws.net | udp |
| US | 34.215.58.134:443 | search.services.mozilla.com | tcp |
| US | 8.8.8.8:53 | search.r53-2.services.mozilla.com | udp |
| US | 44.236.152.148:443 | push.services.mozilla.com | tcp |
| US | 8.8.8.8:53 | search.r53-2.services.mozilla.com | udp |
| US | 8.8.8.8:53 | shavar.services.mozilla.com | udp |
| US | 35.160.13.80:443 | shavar.services.mozilla.com | tcp |
| US | 8.8.8.8:53 | shavar.prod.mozaws.net | udp |
| US | 8.8.8.8:53 | shavar.prod.mozaws.net | udp |
| US | 8.8.8.8:53 | baroquetees.com | udp |
Files
\??\pipe\chrome.3992.25.50917191
| MD5 | fe2ceeb0194ab76f28515bec8450da98 |
| SHA1 | e11823c5bba27cdf43304278406aebe09021d337 |
| SHA256 | 40ad3d2a8034960efb066cd198a3c75510626f44748cb238accfa00a7bceca63 |
| SHA512 | c1032b52e23def714006bc6603c6e03f9ea66ba2692de56bc848449208b4c490b9a5308f60a4d17f5d036ee3c3f4659b2284ac3b87ae324df17d27943c9e0e97 |