Analysis Overview
SHA256
6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
Threat Level: Likely malicious
The file 3fe7b88a9ba6c5acee4faae760642b78_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
Writes file to tmp directory
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-13 02:52
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-13 02:52
Reported
2024-07-13 02:55
Platform
ubuntu2204-amd64-20240611-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Adds new SSH keys
| Description | Indicator | Process | Target |
| File opened for modification | /root/.ssh/authorized_keys | /tmp/3fe7b88a9ba6c5acee4faae760642b78_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/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | /tmp/3fe7b88a9ba6c5acee4faae760642b78_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/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/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/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/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 |
| 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/free | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/85/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/free | N/A |
| File opened for reading | /proc/416/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1054/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1184/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/201/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/81/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/114/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/747/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/675/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_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/498/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/15/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/free | N/A |
| File opened for reading | /proc/self/auxv | /usr/bin/free | N/A |
| File opened for reading | /proc/1507/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/filesystems | /usr/bin/journalctl | N/A |
| File opened for reading | /proc/610/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/free | N/A |
| File opened for reading | /proc/409/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1164/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/634/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/963/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/uptime | /usr/bin/uptime | N/A |
| File opened for reading | /proc/1487/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/2/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/263/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/free | N/A |
| File opened for reading | /proc/114/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1386/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/716/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/free | N/A |
| File opened for reading | /proc/1107/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1248/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/315/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/746/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/641/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/uptime | N/A |
| File opened for reading | /proc/91/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/522/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/88/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/92/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/12/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/522/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1434/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/free | N/A |
| File opened for reading | /proc/199/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/203/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/27/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/loadavg | /usr/bin/uptime | N/A |
| File opened for reading | /proc/1525/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/110/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1575/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/499/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/sys/kernel/osrelease | /usr/bin/uptime | N/A |
| File opened for reading | /proc/588/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/205/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1276/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/499/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/193/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/1280/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/3/stat | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
| File opened for reading | /proc/113/cmdline | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/nc | /tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118 | N/A |
Processes
/tmp/3fe7b88a9ba6c5acee4faae760642b78_JaffaCakes118
[/tmp/3fe7b88a9ba6c5acee4faae760642b78_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 | |
| US | 22.53.203.1:22 | tcp | |
| CN | 106.17.30.71:2222 | tcp | |
| US | 21.203.103.193:2222 | tcp | |
| CN | 118.67.123.91:22 | tcp | |
| US | 16.101.2.171:2222 | tcp | |
| ES | 185.221.131.92:2222 | tcp | |
| US | 6.71.39.31:2222 | tcp | |
| CN | 58.201.189.121:22 | tcp | |
| JP | 202.223.123.196:22 | tcp | |
| US | 140.145.155.162:2222 | tcp | |
| CA | 20.39.136.164:2222 | tcp | |
| CN | 106.17.30.71:22 | tcp | |
| GB | 178.108.4.238:22 | tcp | |
| US | 100.221.71.234:2222 | tcp | |
| US | 55.180.102.36:22 | tcp | |
| ES | 185.221.131.92:22 | tcp | |
| US | 69.174.252.82:2222 | tcp | |
| TW | 61.63.229.206:2222 | tcp | |
| MU | 102.201.56.4:2222 | tcp | |
| US | 99.85.10.229:22 | tcp | |
| CN | 110.60.107.121:2222 | tcp | |
| N/A | 242.33.46.87:2222 | tcp | |
| US | 98.159.21.161:2222 | tcp | |
| US | 69.174.252.82:22 | tcp | |
| US | 13.17.67.130:2222 | tcp | |
| FR | 84.102.182.168:22 | tcp | |
| CN | 117.169.138.30:2222 | tcp | |
| US | 128.21.151.181:2222 | tcp | |
| US | 21.203.103.193:22 | tcp | |
| SA | 100.136.47.176:22 | tcp | |
| US | 108.181.28.209:2222 | tcp | |
| TR | 83.66.98.72:22 | tcp | |
| US | 6.71.39.31:22 | tcp | |
| US | 99.85.10.229:2222 | tcp | |
| CN | 117.169.138.30:22 | tcp | |
| US | 21.144.253.220:2222 | tcp | |
| US | 108.181.28.209:22 | tcp | |
| RU | 194.63.157.152:22 | tcp | |
| CZ | 109.164.42.244:2222 | tcp | |
| US | 38.86.124.115:22 | tcp | |
| US | 98.117.236.51:22 | tcp | |
| ZA | 163.199.171.219:22 | tcp | |
| US | 208.27.24.80:22 | tcp | |
| CN | 118.67.123.91:2222 | tcp | |
| US | 16.101.2.171:22 | tcp | |
| CN | 182.36.171.193:2222 | tcp | |
| CN | 125.82.99.140:22 | tcp | |
| CN | 120.204.236.186:2222 | tcp | |
| US | 153.78.120.235:2222 | tcp | |
| US | 146.10.39.212:2222 | tcp | |
| ZA | 163.199.171.219:2222 | tcp | |
| US | 208.203.17.25:2222 | tcp | |
| CZ | 109.164.42.244:22 | tcp | |
| US | 192.239.133.247:22 | tcp | |
| US | 216.46.175.215:22 | tcp | |
| US | 140.145.155.162:22 | tcp | |
| JP | 202.223.123.196:2222 | tcp | |
| CN | 182.36.171.193:22 | tcp | |
| LT | 78.58.77.76:2222 | tcp | |
| US | 146.10.39.212:22 | tcp | |
| CN | 125.82.99.140:2222 | tcp | |
| US | 208.203.17.25:22 | tcp | |
| TW | 61.63.229.206:22 | tcp |
Files
/tmp/nc
| MD5 | 3fe7b88a9ba6c5acee4faae760642b78 |
| SHA1 | bae245bc98c516604838c6ce5a233f066de44a50 |
| SHA256 | 6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c |
| SHA512 | 02abc8d4fe280306a9ac6a25d28cf174a8d51a43d98b6837bc129701d8c0ab486eebaeef11062b58c455627d4de7c8782b3828aa02891fe439ca1ca617038f95 |