Analysis Overview
SHA256
1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017
Threat Level: Known bad
The file 1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017 was found to be: Known bad.
Malicious Activity Summary
Stealc
Downloads MZ/PE file
Loads dropped DLL
Reads data files stored by FTP clients
Checks computer location settings
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
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-08 17:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-08 17:07
Reported
2024-06-08 17:09
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.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\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.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\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3580 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3580 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3580 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2832 wrote to memory of 3912 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe |
| PID 2832 wrote to memory of 3912 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe |
| PID 2832 wrote to memory of 3912 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe
"C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3580 -ip 3580
C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe
"C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 2076
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.170:80 | 185.172.128.170 | tcp |
| US | 8.8.8.8:53 | 170.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| DE | 185.172.128.159:80 | 185.172.128.159 | tcp |
| US | 8.8.8.8:53 | 159.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3580-1-0x0000000001E10000-0x0000000001F10000-memory.dmp
memory/3580-2-0x00000000037D0000-0x00000000037F7000-memory.dmp
memory/3580-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3580-4-0x0000000061E00000-0x0000000061EF3000-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 |
C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe
| MD5 | 6c93fc68e2f01c20fb81af24470b790c |
| SHA1 | d5927b38a32e30afcf5a658612a8266476fc4ad8 |
| SHA256 | 64a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580 |
| SHA512 | 355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade |
memory/3580-87-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3580-86-0x00000000037D0000-0x00000000037F7000-memory.dmp
memory/3580-85-0x0000000000400000-0x0000000001BC1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-08 17:07
Reported
2024-06-08 17:09
Platform
win11-20240426-en
Max time kernel
147s
Max time network
150s
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\DGIJDAFCFH.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.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\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.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\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2616 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2616 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2616 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2208 wrote to memory of 2128 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe |
| PID 2208 wrote to memory of 2128 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe |
| PID 2208 wrote to memory of 2128 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe
"C:\Users\Admin\AppData\Local\Temp\1b22d591b5b5e0df440369831ce403f2297f2d1f83d528d76868ccbe07017017.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2616 -ip 2616
C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe
"C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 2460
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.170:80 | 185.172.128.170 | tcp |
| US | 8.8.8.8:53 | 170.128.172.185.in-addr.arpa | udp |
| DE | 185.172.128.159:80 | 185.172.128.159 | tcp |
| US | 8.8.8.8:53 | 159.128.172.185.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp |
Files
memory/2616-1-0x0000000001C80000-0x0000000001D80000-memory.dmp
memory/2616-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2616-2-0x00000000037D0000-0x00000000037F7000-memory.dmp
memory/2616-4-0x0000000061E00000-0x0000000061EF3000-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 |
C:\Users\Admin\AppData\Local\Temp\DGIJDAFCFH.exe
| MD5 | 6c93fc68e2f01c20fb81af24470b790c |
| SHA1 | d5927b38a32e30afcf5a658612a8266476fc4ad8 |
| SHA256 | 64a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580 |
| SHA512 | 355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade |
memory/2616-91-0x00000000037D0000-0x00000000037F7000-memory.dmp
memory/2616-90-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2616-89-0x0000000000400000-0x0000000001BC1000-memory.dmp