Analysis Overview
SHA256
bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22
Threat Level: Shows suspicious behavior
The file bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Checks computer location settings
UPX packed file
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 15:53
Signatures
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 15:53
Reported
2024-05-31 15:55
Platform
win7-20240508-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.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 use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1944 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1944 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1944 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1944 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe
"C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/1944-3-0x0000000000300000-0x0000000000306000-memory.dmp
memory/1944-2-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1944-1-0x0000000008000000-0x000000000800F000-memory.dmp
memory/1944-0-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | d69346b0de0d57230c0be79ec3e37e1f |
| SHA1 | e37bbc3e4b4145d2d1fd7c16aea938b4e18507af |
| SHA256 | 272d5f2cf98547b905cd158599fa03c23658b4ad968e4755b9fa48234590a9b6 |
| SHA512 | 4b4c4f6cac7afdf9d4c82c09727292476d153b6d9f7e8d7f8bafe9eb2a5bde99e50593cff9432347db63b7bbced8b48541ab8e61da37fb442bc02eaab43b5eb1 |
memory/1944-13-0x0000000002BB0000-0x0000000002BBF000-memory.dmp
memory/2604-16-0x0000000008000000-0x000000000800F000-memory.dmp
memory/2604-18-0x0000000001C90000-0x0000000001C96000-memory.dmp
memory/2604-25-0x0000000000440000-0x0000000000446000-memory.dmp
memory/2604-26-0x0000000008000000-0x000000000800F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 15:53
Reported
2024-05-31 15:55
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.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 use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3188 wrote to memory of 4828 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3188 wrote to memory of 4828 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3188 wrote to memory of 4828 | N/A | C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe
"C:\Users\Admin\AppData\Local\Temp\bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/3188-0-0x0000000008000000-0x000000000800F000-memory.dmp
memory/3188-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3188-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3188-3-0x00000000005B0000-0x00000000005B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | d69346b0de0d57230c0be79ec3e37e1f |
| SHA1 | e37bbc3e4b4145d2d1fd7c16aea938b4e18507af |
| SHA256 | 272d5f2cf98547b905cd158599fa03c23658b4ad968e4755b9fa48234590a9b6 |
| SHA512 | 4b4c4f6cac7afdf9d4c82c09727292476d153b6d9f7e8d7f8bafe9eb2a5bde99e50593cff9432347db63b7bbced8b48541ab8e61da37fb442bc02eaab43b5eb1 |
memory/4828-18-0x0000000008000000-0x000000000800F000-memory.dmp
memory/3188-17-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4828-20-0x0000000001F20000-0x0000000001F26000-memory.dmp
memory/4828-26-0x0000000001F00000-0x0000000001F06000-memory.dmp
memory/4828-27-0x0000000008000000-0x000000000800F000-memory.dmp