Analysis
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max time kernel
149s -
max time network
152s -
platform
debian-9_mips -
resource
debian9-mipsbe-20231215-en -
resource tags
arch:mipsimage:debian9-mipsbe-20231215-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
20/02/2024, 05:54
Behavioral task
behavioral1
Sample
a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf
Resource
debian9-mipsbe-20231215-en
General
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Target
a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf
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Size
82KB
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MD5
972f18b7999d509443e4246f50a3f136
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SHA1
be28d9a7bb4585e70547b0043486a7426fa627b7
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SHA256
a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5
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SHA512
ad29fa4cd7649133f955e183d97231c6de4fe22b60daa5a74348cb68c5eee420060bccb9a329cb024c7420644db29904efc2d9b3c077be02c3f8f6d8703f981a
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SSDEEP
768:2ty6IP7M/kq0INRhfuN2Eo9tl/deOIIwHCRH8wk4EH6MTYX7ZDYovZ73x/nL8y82:Rakdn2Eo3e32xeTYXRYo99Be037WGH
Malware Config
Signatures
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Contacts a large (34812) 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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Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself /bin/systemd 709 a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf -
Enumerates running processes
Discovers information about currently running processes on the system
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Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/4/cmdline Process not Found File opened for reading /proc/17/cmdline Process not Found File opened for reading /proc/36/cmdline Process not Found File opened for reading /proc/727/cmdline Process not Found File opened for reading /proc/10/cmdline Process not Found File opened for reading /proc/19/cmdline Process not Found File opened for reading /proc/111/cmdline Process not Found File opened for reading /proc/20/cmdline Process not Found File opened for reading /proc/71/cmdline Process not Found File opened for reading /proc/81/cmdline Process not Found File opened for reading /proc/403/cmdline Process not Found File opened for reading /proc/1/cmdline Process not Found File opened for reading /proc/2/cmdline Process not Found File opened for reading /proc/11/cmdline Process not Found File opened for reading /proc/700/cmdline Process not Found File opened for reading /proc/726/cmdline Process not Found File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mv File opened for reading /proc/75/cmdline Process not Found File opened for reading /proc/339/cmdline Process not Found File opened for reading /proc/368/cmdline Process not Found File opened for reading /proc/391/cmdline Process not Found File opened for reading /proc/542/cmdline Process not Found File opened for reading /proc/687/cmdline Process not Found File opened for reading /proc/24/cmdline Process not Found File opened for reading /proc/73/cmdline Process not Found File opened for reading /proc/150/cmdline Process not Found File opened for reading /proc/16/cmdline Process not Found File opened for reading /proc/332/cmdline Process not Found File opened for reading /proc/379/cmdline Process not Found File opened for reading /proc/380/cmdline Process not Found File opened for reading /proc/5/cmdline Process not Found File opened for reading /proc/8/cmdline Process not Found File opened for reading /proc/12/cmdline Process not Found File opened for reading /proc/70/cmdline Process not Found File opened for reading /proc/579/cmdline Process not Found File opened for reading /proc/715/cmdline Process not Found File opened for reading /proc/14/cmdline Process not Found File opened for reading /proc/18/cmdline Process not Found File opened for reading /proc/37/cmdline Process not Found File opened for reading /proc/340/cmdline Process not Found File opened for reading /proc/3/cmdline Process not Found File opened for reading /proc/6/cmdline Process not Found File opened for reading /proc/22/cmdline Process not Found File opened for reading /proc/13/cmdline Process not Found File opened for reading /proc/337/cmdline Process not Found File opened for reading /proc/807/cmdline Process not Found File opened for reading /proc/122/cmdline Process not Found File opened for reading /proc/703/cmdline Process not Found File opened for reading /proc/717/cmdline Process not Found File opened for reading /proc/775/cmdline Process not Found File opened for reading /proc/68/cmdline Process not Found File opened for reading /proc/76/cmdline Process not Found File opened for reading /proc/121/cmdline Process not Found File opened for reading /proc/82/cmdline Process not Found File opened for reading /proc/528/cmdline Process not Found File opened for reading /proc/572/cmdline Process not Found File opened for reading /proc/707/cmdline Process not Found File opened for reading /proc/9/cmdline Process not Found File opened for reading /proc/21/cmdline Process not Found File opened for reading /proc/74/cmdline Process not Found File opened for reading /proc/779/cmdline Process not Found File opened for reading /proc/7/cmdline Process not Found File opened for reading /proc/79/cmdline Process not Found -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/bin/systemd sh
Processes
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/tmp/a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf/tmp/a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf1⤵
- Changes its process name
PID:709 -
/bin/shsh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf bin/systemd; chmod 777 bin/systemd"2⤵
- Writes file to tmp directory
PID:710 -
/bin/rmrm -rf bin/systemd3⤵PID:712
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/bin/mkdirmkdir bin3⤵
- Reads runtime system information
PID:714
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/bin/mvmv /tmp/a6635a2b890199b9c584d4c7651ab57e77b094e78ce33cc2248614cf398159f5.elf bin/systemd3⤵
- Reads runtime system information
PID:716
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/bin/chmodchmod 777 bin/systemd3⤵PID:722
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