Analysis Overview
SHA256
af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d
Threat Level: Known bad
The file af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d was found to be: Known bad.
Malicious Activity Summary
Detect Blackmoon payload
Blackmoon, KrBanker
Executes dropped EXE
Loads dropped DLL
VMProtect packed file
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-21 05:28
Signatures
VMProtect packed file
| 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
2023-12-21 05:28
Reported
2023-12-21 05:31
Platform
win7-20231129-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aow_dr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
| N/A | N/A | N/A | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe
"C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe"
C:\Windows\SysWOW64\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt
C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
Network
Files
memory/3040-0-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3040-2-0x0000000000400000-0x00000000015B8000-memory.dmp
memory/3040-3-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3040-31-0x0000000000320000-0x0000000000321000-memory.dmp
memory/3040-32-0x0000000000330000-0x0000000000331000-memory.dmp
memory/3040-38-0x0000000077AD0000-0x0000000077AD1000-memory.dmp
memory/3040-36-0x0000000000330000-0x0000000000331000-memory.dmp
memory/3040-34-0x0000000000330000-0x0000000000331000-memory.dmp
memory/3040-29-0x0000000000320000-0x0000000000321000-memory.dmp
memory/3040-26-0x0000000000310000-0x0000000000311000-memory.dmp
memory/3040-24-0x0000000000310000-0x0000000000311000-memory.dmp
memory/3040-21-0x0000000000300000-0x0000000000301000-memory.dmp
memory/3040-19-0x0000000000300000-0x0000000000301000-memory.dmp
memory/3040-16-0x00000000002F0000-0x00000000002F1000-memory.dmp
memory/3040-14-0x00000000002F0000-0x00000000002F1000-memory.dmp
memory/3040-11-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/3040-9-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/3040-7-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/3040-6-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3040-5-0x0000000000400000-0x00000000015B8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt
| MD5 | 45e32807f10a086a3823929f2a666119 |
| SHA1 | 17ee3eefcddfddb88a8fde3da1c563eb7d98344a |
| SHA256 | f570c243b986a4f66bc922a965f2910a7a5b5605d707d47f1740243c87042294 |
| SHA512 | 86b53125748d91a8393080d9b65183e781a00e2779fea73738786af42fe65eb2dc42bf8f356ce31998e192090e48c61097e1bac5c836875a1c4f68e5397d8e31 |
\Users\Admin\AppData\Local\Temp\aow_dr.exe
| MD5 | b5dd2ad618694048355e2e3c396d7860 |
| SHA1 | bceaf75cf61c51bf711cd9180d95d30355a99578 |
| SHA256 | 5ff4970bd69b9f541ae61a56be0d87436ce6258ca87ffcea16b9bb4767846e91 |
| SHA512 | d1a01f35f84b1b3fde339d351a101bac8826365a26c597dfa76397d72a6378a89c43b64718ef71694cfa814b40e12309b5b31f47721301c6d7d9ca1497fb66ec |
C:\Users\Admin\AppData\Local\Temp\dr.dll
| MD5 | 465d31b9b4a8813d053f20d8f6464f1b |
| SHA1 | 54f3c26713bba3498789a4cbd0ff2ce5ec4b46e7 |
| SHA256 | ab94a8e3b291577e01cfbdf5eefd139ce8418ea9ace152240e476f43301e9890 |
| SHA512 | e5e746a5d37e33aba33b2a54172ea2dea385a57d3be16aff82c6f6f1ba03b9833815f488bd5784abd7f43f55fcefd83cc2516a317b90fee135a338cac4585639 |
memory/3040-52-0x0000000000400000-0x00000000015B8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-21 05:28
Reported
2023-12-21 05:31
Platform
win10v2004-20231215-en
Max time kernel
96s
Max time network
134s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aow_dr.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3804 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | C:\Windows\SysWOW64\NOTEPAD.EXE |
| PID 3804 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | C:\Windows\SysWOW64\NOTEPAD.EXE |
| PID 3804 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | C:\Windows\SysWOW64\NOTEPAD.EXE |
| PID 3804 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | C:\Users\Admin\AppData\Local\Temp\aow_dr.exe |
| PID 3804 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe | C:\Users\Admin\AppData\Local\Temp\aow_dr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe
"C:\Users\Admin\AppData\Local\Temp\af51646b3b0016f198a61062c6505b2aff08826adee0aa04df5e3c7a4775798d.exe"
C:\Windows\SysWOW64\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt
C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
Files
memory/3804-0-0x00000000016F0000-0x00000000016F1000-memory.dmp
memory/3804-2-0x0000000000400000-0x00000000015B8000-memory.dmp
memory/3804-3-0x0000000001BC0000-0x0000000001BC1000-memory.dmp
memory/3804-8-0x0000000001C00000-0x0000000001C01000-memory.dmp
memory/3804-7-0x0000000001BF0000-0x0000000001BF1000-memory.dmp
memory/3804-6-0x0000000001BE0000-0x0000000001BE1000-memory.dmp
memory/3804-4-0x0000000001BD0000-0x0000000001BD1000-memory.dmp
memory/3804-5-0x0000000000400000-0x00000000015B8000-memory.dmp
memory/3804-1-0x0000000001B90000-0x0000000001B91000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt
| MD5 | 45e32807f10a086a3823929f2a666119 |
| SHA1 | 17ee3eefcddfddb88a8fde3da1c563eb7d98344a |
| SHA256 | f570c243b986a4f66bc922a965f2910a7a5b5605d707d47f1740243c87042294 |
| SHA512 | 86b53125748d91a8393080d9b65183e781a00e2779fea73738786af42fe65eb2dc42bf8f356ce31998e192090e48c61097e1bac5c836875a1c4f68e5397d8e31 |
C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
| MD5 | b5dd2ad618694048355e2e3c396d7860 |
| SHA1 | bceaf75cf61c51bf711cd9180d95d30355a99578 |
| SHA256 | 5ff4970bd69b9f541ae61a56be0d87436ce6258ca87ffcea16b9bb4767846e91 |
| SHA512 | d1a01f35f84b1b3fde339d351a101bac8826365a26c597dfa76397d72a6378a89c43b64718ef71694cfa814b40e12309b5b31f47721301c6d7d9ca1497fb66ec |
C:\Users\Admin\AppData\Local\Temp\dr.dll
| MD5 | f36e82d381da7974f9937910234f6b5e |
| SHA1 | 54bfab91d362e4340e8bfaee542051492345150a |
| SHA256 | 82989f250e81229723415d3dcbb977596cab579aa5dcbb3ebcd64a345198b453 |
| SHA512 | 199ca7cca13993d3ef641f3a90c0fd1c000b9bdac358faec2e658fc1e996959e705eabe9a3c7ec3f31970fd35aa269de0217698e2190de75a4446ac1eea5cc9d |
memory/3804-22-0x0000000000400000-0x00000000015B8000-memory.dmp