Analysis Overview
SHA256
7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624
Threat Level: Known bad
The file 7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624 was found to be: Known bad.
Malicious Activity Summary
Arkei
Suspicious use of NtCreateProcessExOtherParentProcess
Arkei Stealer Payload
Downloads MZ/PE file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Program crash
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-17 11:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-17 11:00
Reported
2022-01-17 11:02
Platform
win10v2004-en-20220112
Max time kernel
4265058s
Max time network
149s
Command Line
Signatures
Arkei
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 3580 created 2712 | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe |
Arkei Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe | N/A |
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotification.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotification.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\WerFault.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\MusNotification.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\MusNotification.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe
"C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe"
C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2712 -ip 2712
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1412
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | arc.msn.com | udp |
| US | 52.184.215.140:443 | arc.msn.com | tcp |
| US | 8.8.8.8:53 | time.windows.com | udp |
| US | 8.8.8.8:53 | slscr.update.microsoft.com | udp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| US | 8.8.8.8:53 | fe3cr.delivery.mp.microsoft.com | udp |
| US | 8.8.8.8:53 | fe3cr.delivery.mp.microsoft.com | udp |
| IE | 20.54.89.15:443 | fe3cr.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | slscr.update.microsoft.com | udp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| NL | 40.119.148.38:123 | time.windows.com | udp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| US | 8.8.8.8:53 | ris.api.iris.microsoft.com | udp |
| US | 52.252.42.28:443 | ris.api.iris.microsoft.com | tcp |
| US | 8.8.8.8:53 | img-prod-cms-rt-microsoft-com.akamaized.net | udp |
| FR | 2.22.147.40:443 | img-prod-cms-rt-microsoft-com.akamaized.net | tcp |
| US | 8.8.8.8:53 | homesteadr.link | udp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
| US | 47.251.43.193:80 | homesteadr.link | tcp |
Files
memory/2712-130-0x00000000007F8000-0x0000000000809000-memory.dmp
memory/2712-132-0x0000000000400000-0x00000000005DC000-memory.dmp
memory/2712-131-0x0000000000780000-0x000000000079C000-memory.dmp
C:\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
memory/1288-136-0x0000000000000000-mapping.dmp
memory/3556-137-0x0000000000000000-mapping.dmp