Analysis Overview
SHA256
9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
Threat Level: Likely malicious
The file 4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Adds new SSH keys
Deletes itself
Deletes log files
Enumerates running processes
Checks CPU configuration
Reads CPU attributes
Reads runtime system information
Writes file to tmp directory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-15 04:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-15 04:41
Reported
2024-07-15 04:44
Platform
ubuntu2204-amd64-20240611-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
Adds new SSH keys
| Description | Indicator | Process | Target |
| File opened for modification | /root/.ssh/authorized_keys | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes log files
| Description | Indicator | Process | Target |
| File deleted | /var/log/tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
Enumerates running processes
Checks CPU configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /usr/bin/cat | N/A |
Reads CPU attributes
| Description | Indicator | Process | Target |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/free | N/A |
| File opened for reading | /sys/devices/system/cpu/online | /usr/bin/uptime | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/969/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/free | N/A |
| File opened for reading | /proc/23/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/99/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/free | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/uptime | N/A |
| File opened for reading | /proc/uptime | /usr/bin/uptime | N/A |
| File opened for reading | /proc/sys/net/core/somaxconn | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/15/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/76/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/free | N/A |
| File opened for reading | /proc/793/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/81/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/101/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1108/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1158/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1174/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/uptime | N/A |
| File opened for reading | /proc/1033/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1094/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1374/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1222/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/73/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1103/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1183/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1196/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/26/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1044/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/13/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1084/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/788/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/114/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1557/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/795/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/23/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/411/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/593/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/101/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/221/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/409/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/411/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1307/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/uptime | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/free | N/A |
| File opened for reading | /proc/1238/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/78/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1219/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/4/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/749/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/205/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/758/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/loadavg | /usr/bin/uptime | N/A |
| File opened for reading | /proc/1161/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/585/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/957/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1345/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/1429/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/413/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/uptime | /usr/bin/uptime | N/A |
| File opened for reading | /proc/26/cmdline | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/uptime | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/uptime | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/uptime | N/A |
| File opened for reading | /proc/stat | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/nc | /tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118 | N/A |
Processes
/tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118
[/tmp/4842d5cc29c97aa611fba5ca07b060a5_JaffaCakes118]
/usr/bin/uname
[uname -a]
/usr/bin/cat
[cat /proc/cpuinfo]
/usr/bin/cat
[cat /etc/issue]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/journalctl
[journalctl -S @0 -u sshd]
/usr/bin/cat
[cat /var/log/auth*]
/usr/bin/zcat
[zcat /var/log/auth*]
/usr/local/sbin/gzip
[gzip -cd /var/log/auth*]
/usr/local/bin/gzip
[gzip -cd /var/log/auth*]
/usr/sbin/gzip
[gzip -cd /var/log/auth*]
/usr/bin/gzip
[gzip -cd /var/log/auth*]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
/usr/bin/free
[free -m]
/usr/bin/uptime
[uptime]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| CN | 111.45.10.183:2222 | tcp | |
| SE | 62.116.246.9:22 | tcp | |
| US | 44.245.211.34:22 | tcp | |
| SE | 193.241.174.44:22 | tcp | |
| CA | 142.193.13.74:2222 | tcp | |
| N/A | 244.60.192.156:22 | tcp | |
| GB | 86.165.130.203:2222 | tcp | |
| CN | 1.12.94.74:22 | tcp | |
| US | 50.31.86.182:2222 | tcp | |
| NO | 20.100.69.112:22 | tcp | |
| KR | 118.128.35.252:22 | tcp | |
| FR | 90.80.27.147:22 | tcp | |
| US | 9.149.61.162:2222 | tcp | |
| IR | 89.198.197.96:2222 | tcp | |
| US | 162.240.29.214:2222 | tcp | |
| US | 67.232.127.6:2222 | tcp | |
| N/A | 248.65.22.167:2222 | tcp | |
| NO | 20.100.69.112:2222 | tcp | |
| SE | 193.241.174.44:2222 | tcp | |
| US | 48.195.90.160:2222 | tcp | |
| AE | 20.233.148.84:22 | tcp | |
| DE | 31.250.122.209:22 | tcp | |
| US | 132.20.91.106:2222 | tcp | |
| FR | 77.153.7.217:2222 | tcp | |
| US | 99.168.50.111:22 | tcp | |
| IN | 117.240.143.116:22 | tcp | |
| N/A | 248.65.22.167:22 | tcp | |
| US | 48.195.90.160:22 | tcp | |
| KR | 118.128.35.252:2222 | tcp | |
| US | 100.20.181.14:2222 | tcp | |
| AR | 186.59.143.48:22 | tcp | |
| US | 204.253.198.253:2222 | tcp | |
| BR | 179.221.12.16:2222 | tcp | |
| UA | 195.140.169.253:22 | tcp | |
| AU | 110.145.99.54:2222 | tcp | |
| US | 155.103.195.237:2222 | tcp | |
| MA | 196.75.104.169:2222 | tcp | |
| CN | 111.45.10.183:22 | tcp | |
| DE | 89.52.175.196:22 | tcp | |
| US | 143.21.175.9:22 | tcp | |
| ID | 202.93.241.184:22 | tcp | |
| N/A | 248.78.206.200:2222 | tcp | |
| US | 99.97.64.15:22 | tcp | |
| AR | 186.59.143.48:2222 | tcp | |
| SG | 203.190.181.207:22 | tcp | |
| US | 44.6.128.249:2222 | tcp | |
| UA | 195.140.169.253:2222 | tcp | |
| SG | 203.190.181.207:2222 | tcp | |
| CN | 171.88.113.176:22 | tcp | |
| US | 162.240.29.214:22 | tcp | |
| US | 126.243.79.247:22 | tcp | |
| MA | 196.75.104.169:22 | tcp | |
| MX | 189.148.222.45:2222 | tcp | |
| TW | 111.81.112.236:2222 | tcp | |
| FR | 89.87.5.95:22 | tcp | |
| US | 99.97.64.15:2222 | tcp | |
| US | 50.31.86.182:22 | tcp | |
| N/A | 248.78.206.200:22 | tcp | |
| US | 100.20.181.14:22 | tcp | |
| US | 184.44.220.53:2222 | tcp | |
| US | 184.44.220.53:22 | tcp | |
| US | 143.21.175.9:2222 | tcp | |
| US | 135.82.88.171:22 | tcp | |
| JP | 183.76.83.221:22 | tcp | |
| CN | 115.226.16.87:2222 | tcp | |
| CA | 142.16.130.190:22 | tcp | |
| TW | 111.81.112.236:22 | tcp | |
| US | 66.222.80.178:2222 | tcp | |
| GB | 86.165.130.203:22 | tcp | |
| US | 66.222.80.178:22 | tcp | |
| US | 155.103.195.237:22 | tcp | |
| US | 64.250.125.142:22 | tcp |
Files
/tmp/nc
| MD5 | 4842d5cc29c97aa611fba5ca07b060a5 |
| SHA1 | f93772038406f28fa4ca1cfb23349193562414b2 |
| SHA256 | 9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948 |
| SHA512 | cf1cb3f0291f3e0c3b47ff3ee9074b624e2d9781f9637d14ede0628ebb4b8b0fe13e16583f6a933a3e20872ec084dc812237f021757efe2a6d527a0a1723b5c8 |