Analysis
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max time kernel
149s -
max time network
148s -
platform
debian-9_mipsel -
resource
debian9-mipsel-20250619-en -
resource tags
arch:mipselimage:debian9-mipsel-20250619-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem -
submitted
03/07/2025, 05:28
Static task
static1
Behavioral task
behavioral1
Sample
mipsel.elf
Resource
debian9-mipsel-20250619-en
General
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Target
mipsel.elf
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Size
497KB
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MD5
8ec3ecb36af7ec5d6a4c99e113523877
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SHA1
717487a73fdc871acf1e9fed1481e13f94389c35
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SHA256
1155e7fc20f281f4cd3d899223663dbfdde8c979816df5c60cb2d021d73b4c38
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SHA512
c11ef92f867562f09f609198126ae15c6ec13c6aff57d8e73f70ee3748e4836b2c5f969bae973a2188de6f15e70ee9ff5db1478c5aa867c525497b2fd7ccf4dd
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SSDEEP
12288:7A84JF9Qc8GgZxTM6m1U3snB6NnVuqnAtSyBpywBdlEykR6LkV6N0L8AXwtZJHZz:/M6m1U3rVuqAtSySwY1gEIZB
Malware Config
Signatures
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Renames itself 1 IoCs
pid Process 702 mipsel.elf -
Checks hardware identifiers (DMI) 1 TTPs 2 IoCs
Checks DMI information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /sys/devices/virtual/dmi/id/board_vendor configuration File opened for reading /sys/class/dmi/id/board_vendor configuration -
Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process File opened for modification /var/spool/cron/crontabs/tmp.gydmVB crontab -
Enumerates running processes
Discovers information about currently running processes on the system
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Reads MAC address of network interface 2 TTPs 1 IoCs
Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.
description ioc Process File opened for reading /sys/class/net/enp0s19/address configuration -
Reads hardware information 1 TTPs 4 IoCs
Accesses system info like serial numbers, manufacturer names etc.
description ioc Process File opened for reading /sys/devices/virtual/dmi/id/board_name configuration File opened for reading /sys/devices/virtual/dmi/id/product_uuid configuration File opened for reading /sys/class/dmi/id/board_name configuration File opened for reading /sys/class/dmi/id/product_uuid configuration -
Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo configuration -
Reads CPU attributes 1 TTPs 1 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq configuration -
Enumerates kernel/hardware configuration 1 TTPs 1 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/class/net configuration -
description ioc Process File opened for reading /proc/17/cmdline configuration File opened for reading /proc/13/cmdline configuration File opened for reading /proc/79/cmdline configuration File opened for reading /proc/82/cmdline configuration File opened for reading /proc/695/cmdline configuration File opened for reading /proc/700/cmdline configuration File opened for reading /proc/373/cmdline configuration File opened for reading /proc/6/cmdline configuration File opened for reading /proc/75/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/16/cmdline configuration File opened for reading /proc/665/cmdline configuration File opened for reading /proc/666/cmdline configuration File opened for reading /proc/672/cmdline configuration File opened for reading /proc/710/cmdline configuration File opened for reading /proc/3/cmdline configuration File opened for reading /proc/19/cmdline configuration File opened for reading /proc/77/cmdline configuration File opened for reading /proc/81/cmdline configuration File opened for reading /proc/244/cmdline configuration File opened for reading /proc/18/cmdline configuration File opened for reading /proc/71/cmdline configuration File opened for reading /proc/336/cmdline configuration File opened for reading /proc/374/cmdline configuration File opened for reading /proc/662/cmdline configuration File opened for reading /proc/9/cmdline configuration File opened for reading /proc/10/cmdline configuration File opened for reading /proc/12/cmdline configuration File opened for reading /proc/23/cmdline configuration File opened for reading /proc/74/cmdline configuration File opened for reading /proc/226/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/7/cmdline configuration File opened for reading /proc/24/cmdline configuration File opened for reading /proc/117/cmdline configuration File opened for reading /proc/169/cmdline configuration File opened for reading /proc/717/cmdline configuration File opened for reading /proc/5/cmdline configuration File opened for reading /proc/22/cmdline configuration File opened for reading /proc/36/cmdline configuration File opened for reading /proc/73/cmdline configuration File opened for reading /proc/2/cmdline configuration File opened for reading /proc/8/cmdline configuration File opened for reading /proc/11/cmdline configuration File opened for reading /proc/20/cmdline configuration File opened for reading /proc/37/cmdline configuration File opened for reading /proc/69/cmdline configuration File opened for reading /proc/109/cmdline configuration File opened for reading /proc/147/cmdline configuration File opened for reading /proc/333/cmdline configuration File opened for reading /proc/338/cmdline configuration File opened for reading /proc/15/cmdline configuration File opened for reading /proc/72/cmdline configuration File opened for reading /proc/76/cmdline configuration File opened for reading /proc/380/cmdline configuration File opened for reading /proc/699/cmdline configuration File opened for reading /proc/701/cmdline configuration File opened for reading /proc/4/cmdline configuration File opened for reading /proc/118/cmdline configuration File opened for reading /proc/337/cmdline configuration File opened for reading /proc/671/cmdline configuration File opened for reading /proc/21/cmdline configuration File opened for reading /proc/153/cmdline configuration File opened for reading /proc/721/cmdline configuration -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 702 mipsel.elf 702 configuration -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/root1086f3d configuration
Processes
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/tmp/mipsel.elf/tmp/mipsel.elf1⤵
- Renames itself
- System Network Configuration Discovery
PID:702 -
/bin/shsh -c "crontab -l"2⤵PID:703
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/usr/bin/crontabcrontab -l3⤵
- Reads runtime system information
PID:705
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/bin/shsh -c "(crontab -l ; echo \"@reboot /root/.sys/configuration\")| crontab -"2⤵PID:707
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/usr/bin/crontabcrontab -l3⤵
- Reads runtime system information
PID:712
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:711
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/root/.sys/configuration/tmp/mipsel.elf1⤵
- Checks hardware identifiers (DMI)
- Reads MAC address of network interface
- Reads hardware information
- Checks CPU configuration
- Reads CPU attributes
- Enumerates kernel/hardware configuration
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:702
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
208B
MD50d9f567dc152036c07805d6a39f8484f
SHA11e91240d4daf47f1b58c08a37bc7e1ec1043b1a4
SHA256239d280a9a8eb4d82665c775e2f6aac27d9a8b66d37ec24f6955ec072fedefeb
SHA512ac73e472dddd75c17c15915d1fd15e78d4e5b63f96c088a27d1eb8a28a8e57bc46bc7642e614fffe69c0c5d23de50aab34baa7ee21e460c32bb3cc6a0947fac9