Analysis Overview
SHA256
4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a
Threat Level: Known bad
The file 4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a was found to be: Known bad.
Malicious Activity Summary
Detect Blackmoon payload
Blackmoon, KrBanker
Blackmoon family
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Checks computer location settings
Executes dropped EXE
UPX packed file
Deletes itself
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-13 22:31
Signatures
Blackmoon family
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 22:31
Reported
2024-06-13 22:33
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
155s
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 |
UPX dump on OEP (original entry point)
| 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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe | N/A |
UPX 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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1988 wrote to memory of 2812 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe |
| PID 1988 wrote to memory of 2812 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe |
| PID 1988 wrote to memory of 2812 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe
"C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4628,i,1400471177590024469,587385956640537806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 13.107.42.16:443 | tcp | |
| US | 13.107.42.16:443 | tcp | |
| 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 | 31.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/1988-0-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Syslemkphqs.exe
| MD5 | ebf8a45197924dbff52d16ec5685a59b |
| SHA1 | 88319b8775dfe91e92b337f1d0a4faa038398cdd |
| SHA256 | 2d1823ab43df7f377b5770b19fd0e4445dbeaa72d97f4b3a8d67cd2eeae26f95 |
| SHA512 | acfd015e1d1abf650506d4e1966858940fc1490667cae8dfce41c02aac579aa1f052edd996ce04f7eec7af054369eaa703d6eca2dbf40ebdd439e053e797f931 |
memory/1988-14-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | c4ddc17eee2d8d17a84f84d1ea4c7a5c |
| SHA1 | 31f5a1d0ab5b90a4b2c588612207edacdd749149 |
| SHA256 | def1e923fc096c5a78a92245cdff4b67b0fa4ede8800986fbdddeff2ad05a6db |
| SHA512 | 0da5f53c240e2155cc0e240e9c407ce796212f0befdc9778e17968d148110e73239a701d8c2101b84041dce317beded5df59560516de293d204ec7c9855f2245 |
memory/2812-16-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 22:31
Reported
2024-06-13 22:33
Platform
win7-20240221-en
Max time kernel
149s
Max time network
121s
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 |
UPX dump on OEP (original entry point)
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | N/A |
UPX 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2924 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe |
| PID 2924 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe |
| PID 2924 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe |
| PID 2924 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe | C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe
"C:\Users\Admin\AppData\Local\Temp\4c287ac0c210b588ce68a5a23142eeef11b44c5f660b0c01b19f1b81bb12287a.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemihbro.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
Files
memory/2924-0-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2924-7-0x0000000000400000-0x000000000047F000-memory.dmp
\Users\Admin\AppData\Local\Temp\Syslemihbro.exe
| MD5 | f57ebef9697386e6192217e7993414e6 |
| SHA1 | ec8ade96f3cd195a5c3e21a188ef96e6cd397638 |
| SHA256 | 00858b0213eb106d34a96772a784cc1a329014a40f472dd9a68da167ba0e800f |
| SHA512 | d60eb670a975faf671eeb83f7ac8ad9271c54dda6942e4b57505a87a31f79e404675f0bf1947aff3dba741efead38c8dc608a5b4d4170c634ef5692f6596a17e |
memory/2704-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2924-16-0x0000000003580000-0x00000000035FF000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | c4ddc17eee2d8d17a84f84d1ea4c7a5c |
| SHA1 | 31f5a1d0ab5b90a4b2c588612207edacdd749149 |
| SHA256 | def1e923fc096c5a78a92245cdff4b67b0fa4ede8800986fbdddeff2ad05a6db |
| SHA512 | 0da5f53c240e2155cc0e240e9c407ce796212f0befdc9778e17968d148110e73239a701d8c2101b84041dce317beded5df59560516de293d204ec7c9855f2245 |
memory/2704-21-0x0000000000400000-0x000000000047F000-memory.dmp