Analysis Overview
SHA256
a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6
Threat Level: Known bad
The file a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6 was found to be: Known bad.
Malicious Activity Summary
Detect Blackmoon payload
Blackmoon family
Blackmoon, KrBanker
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-18 01:36
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
2024-05-18 01:36
Reported
2024-05-18 01:39
Platform
win7-20240508-en
Max time kernel
148s
Max time network
118s
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\Syslemyzmki.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1688 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe |
| PID 1688 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe |
| PID 1688 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe |
| PID 1688 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe
"C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
Files
\Users\Admin\AppData\Local\Temp\Syslemyzmki.exe
| MD5 | 8a01a9b4f6c118ff7fb6dad6b52a5449 |
| SHA1 | 265014515a667487085a29aea8f44808f8510c63 |
| SHA256 | 3cc7fd9fc46d28d6e81e901400c3f4ca0be70b06b2331fc5c54173797988bfb8 |
| SHA512 | 54b0165c81730e9f26b10eac40b8ad6ae5ca97969e7bb9c743fe51c6f54af785cba67ad09ef30c291f7c5c7af96f09d30db0d7fc090c5ad36ab8d66bf9bedfe4 |
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | 006bf0320e353a01bfe26f4c485efc10 |
| SHA1 | 450d23111c59bae7d462e6b6ad9594fe2be532f3 |
| SHA256 | 37b04c5798505268aac74ae4ed31bde8fba5c9bd2c7e64c5f5717c07bac7a038 |
| SHA512 | 692e9911379b993c1d14f1ba6a81d3c97052ac8969ac942af1b4064030d1eb28482f0ec88d0008968852ed686bf49c18960771ea2421dc8135977ca874ef55d6 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 01:36
Reported
2024-05-18 01:39
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
158s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 536 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe |
| PID 536 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe |
| PID 536 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe | C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe
"C:\Users\Admin\AppData\Local\Temp\a7c8eca6195903d4128789cbfddba7294205dc6646e8da2334d2e410111dfbd6.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 41.173.79.40.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\Syslemzquhv.exe
| MD5 | e57839c2086a13706def624da824cfb5 |
| SHA1 | e54cd9b80c2129ac33a8a40fbb2caa9cab5d92f3 |
| SHA256 | d8595c70f76cc286e6713b0f635ebd276026bc082788c302f18de72f3b5e5540 |
| SHA512 | 437111b2bd27eefff6313775da2fe8fcb0db1753dad0f96e74cbb7338469d6ba4be166fec421af09402213a7b27493c7f79a0b6f3f144ce4eedc25f969230e93 |
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | 006bf0320e353a01bfe26f4c485efc10 |
| SHA1 | 450d23111c59bae7d462e6b6ad9594fe2be532f3 |
| SHA256 | 37b04c5798505268aac74ae4ed31bde8fba5c9bd2c7e64c5f5717c07bac7a038 |
| SHA512 | 692e9911379b993c1d14f1ba6a81d3c97052ac8969ac942af1b4064030d1eb28482f0ec88d0008968852ed686bf49c18960771ea2421dc8135977ca874ef55d6 |