Analysis Overview
SHA256
b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5
Threat Level: Known bad
The file b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5 was found to be: Known bad.
Malicious Activity Summary
Arkei
Arkei Stealer Payload
Downloads MZ/PE file
Reads user/profile data of web browsers
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-17 09:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-17 09:38
Reported
2022-01-17 09:41
Platform
win10-en-20211208
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Arkei
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
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
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3192 wrote to memory of 3720 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3192 wrote to memory of 3720 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3192 wrote to memory of 3720 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3720 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3720 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3720 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe
"C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b0bbd786fb3429997e5c0f31e9c7692558bebf90e94b4cc64f03d5bc6c7e63f5.exe" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
Network
| Country | Destination | Domain | Proto |
| US | 52.109.8.19:443 | tcp | |
| US | 8.8.8.8:53 | time.windows.com | udp |
| NL | 40.119.148.38:123 | time.windows.com | udp |
| 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/3192-117-0x0000000000400000-0x00000000005D0000-memory.dmp
memory/3192-116-0x0000000000720000-0x000000000073C000-memory.dmp
\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
memory/3720-121-0x0000000000000000-mapping.dmp
memory/1784-122-0x0000000000000000-mapping.dmp