Analysis Overview
SHA256
c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7
Threat Level: Known bad
The file c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7 was found to be: Known bad.
Malicious Activity Summary
Stealc
Downloads MZ/PE file
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Executes dropped EXE
Reads user/profile data of web browsers
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Program crash
Unsigned PE
Enumerates physical storage devices
Runs ping.exe
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-03 12:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-03 12:30
Reported
2024-04-03 12:33
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
Reads data files stored by FTP clients
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\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe
"C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2352 -ip 2352
C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe
"C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 2348
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe
C:\Windows\SysWOW64\PING.EXE
ping 2.2.2.2 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| DE | 185.172.128.209:80 | 185.172.128.209 | tcp |
| US | 8.8.8.8:53 | 209.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| DE | 185.172.128.65:80 | 185.172.128.65 | tcp |
| US | 8.8.8.8:53 | 65.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.66.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.79.70.13.in-addr.arpa | udp |
Files
memory/2352-1-0x0000000000A00000-0x0000000000B00000-memory.dmp
memory/2352-2-0x0000000000940000-0x0000000000967000-memory.dmp
memory/2352-3-0x0000000000400000-0x0000000000866000-memory.dmp
memory/2352-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/2352-80-0x0000000000400000-0x0000000000866000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HCFBKKEBKE.exe
| MD5 | fe380780b5c35bd6d54541791151c2be |
| SHA1 | 7fe3a583cf91474c733f85cebf3c857682e269e1 |
| SHA256 | b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53 |
| SHA512 | ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c |
memory/4164-87-0x0000000000AC0000-0x0000000000AE0000-memory.dmp
memory/4164-88-0x0000000072990000-0x0000000073140000-memory.dmp
memory/4164-89-0x0000000003090000-0x00000000030A0000-memory.dmp
memory/4164-92-0x0000000072990000-0x0000000073140000-memory.dmp
memory/2352-93-0x0000000000400000-0x0000000000866000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 12:30
Reported
2024-04-03 12:33
Platform
win11-20240221-en
Max time kernel
148s
Max time network
156s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
Reads data files stored by FTP clients
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\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe
"C:\Users\Admin\AppData\Local\Temp\c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4664 -ip 4664
C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe
"C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 2508
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe
C:\Windows\SysWOW64\PING.EXE
ping 2.2.2.2 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.209:80 | 185.172.128.209 | tcp |
| US | 8.8.8.8:53 | 209.128.172.185.in-addr.arpa | udp |
| DE | 185.172.128.65:80 | 185.172.128.65 | tcp |
Files
memory/4664-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp
memory/4664-2-0x00000000026D0000-0x00000000026F7000-memory.dmp
memory/4664-3-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4664-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/4664-84-0x0000000000400000-0x0000000000866000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe
| MD5 | fe380780b5c35bd6d54541791151c2be |
| SHA1 | 7fe3a583cf91474c733f85cebf3c857682e269e1 |
| SHA256 | b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53 |
| SHA512 | ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c |
memory/1916-92-0x00000000001B0000-0x00000000001D0000-memory.dmp
memory/1916-91-0x0000000071950000-0x0000000072101000-memory.dmp
memory/1916-93-0x0000000004CC0000-0x0000000004CD0000-memory.dmp
memory/1916-96-0x0000000071950000-0x0000000072101000-memory.dmp
memory/4664-97-0x0000000000400000-0x0000000000866000-memory.dmp