Analysis Overview
SHA256
b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8
Threat Level: Known bad
The file b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8 was found to be: Known bad.
Malicious Activity Summary
Blackmoon family
Detect Blackmoon payload
Blackmoon, KrBanker
Deletes itself
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 02:47
Signatures
Blackmoon family
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-21 02:47
Reported
2024-06-21 02:50
Platform
win7-20240419-en
Max time kernel
148s
Max time network
123s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1760 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe |
| PID 1760 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe |
| PID 1760 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe |
| PID 1760 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe"
C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe
"C:\Users\Admin\AppData\Local\Temp\Syslememhpa.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
Files
\Users\Admin\AppData\Local\Temp\Syslememhpa.exe
| MD5 | 369f4637ae91966cba470659c247f191 |
| SHA1 | caa52811af50060e79cfaf0f3b6e1aaf5df945b5 |
| SHA256 | bf7afa1cf8ae7a173961c7f1e37c8a9b289551dda8bf6890b09843a28edadd85 |
| SHA512 | 9c76d57f0f8716fb464cfbed88d795ba4c08d720ac4e43b622c4336364d96814a00e74de555e151f30f1e3f7157c73b35bbf8e14603a52e9297e9ac298ab12d5 |
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | 17c35829704a5656831d2ebf0f1cc0a5 |
| SHA1 | 965ab52fecd3001de22bd540f2d7307a9cf7ddc0 |
| SHA256 | d5d8dc4bb2488121215f8e9f186bb9a7eb06ba932ed99d8a3ca2cd08f2e742ff |
| SHA512 | fc1101cfe2182d00376dc9bf9d7160ceb73e8f6437c9b57167208b0d2c6371235b8145b0b360541fd8119f9f15150209554eaa3b77a46837991f12dff57e3d01 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-21 02:47
Reported
2024-06-21 02:50
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 4196 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe |
| PID 2240 wrote to memory of 4196 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe |
| PID 2240 wrote to memory of 4196 | N/A | C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe | C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca606658b39a99c38615c721f77ca56cd80b8836d353030ab8a61cadd4a8f8.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\Syslemcdafe.exe
| MD5 | c6d62bba94976240ca25ede498cf52b5 |
| SHA1 | 33b1f35bc9dbf7bb0ff6d80cc8a131eeb41e07ca |
| SHA256 | dff5bb3f76f07f26848443175106814c869f0df40b0f615a4a03d4cfbc39ec36 |
| SHA512 | f8c3b682d2e1b1c5bd385e35ddad0de1ac5e62eca2029b6a54acc0b9b4fb7ed2d816046be624b621d822d13f526156d8628eec95159ce1636a451da6ad18d419 |
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | 17c35829704a5656831d2ebf0f1cc0a5 |
| SHA1 | 965ab52fecd3001de22bd540f2d7307a9cf7ddc0 |
| SHA256 | d5d8dc4bb2488121215f8e9f186bb9a7eb06ba932ed99d8a3ca2cd08f2e742ff |
| SHA512 | fc1101cfe2182d00376dc9bf9d7160ceb73e8f6437c9b57167208b0d2c6371235b8145b0b360541fd8119f9f15150209554eaa3b77a46837991f12dff57e3d01 |