Analysis
- max time kernel
149s - max time network
149s - platform
debian-9_mips - resource
debian9-mipsbe-20250610-en - resource tags
arch:mipsimage:debian9-mipsbe-20250610-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem - submitted
16/06/2025, 04:36
Static task
static1
Behavioral task
behavioral1
Sample
mips.elf
Resource
debian9-mipsbe-20250610-en
General
- Target mips.elf
- Size 578KB
- Sample250616-e79tmatpv2
- SHA256 85750bf004e9185daa59f9c096eea0dff8520fba82eb2b13a575aa61d99873cf
- MD5 8b750d01bd7c3338ec38f55a89edf16b
- SHA1 d6794127daf30816fe11cee3b3c05284359426e3
- SHA512 3ae4b2f0ee6e11d6bb76fe61936423ad577f195b51194daeb5f4907f280e3bedaffdbe5d9d1b329201b77fce0c97c76ad89c3ee046fb9c9954c67cdba56ab4a6
- SSDEEP 12288:M57U0INmdtgOcyJXDOMzf03gdvZ/yCnEI7zJ:W7v+mrY2xzf03yvZ/YIp
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Renames itself 1 IoCs
pid Process 711 mips.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.74OwZP crontab - Enumerates running processes
Discovers information about currently running processes on the system
- 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/class/dmi/id/board_name configuration File opened for reading /sys/class/dmi/id/product_uuid configuration File opened for reading /sys/devices/virtual/dmi/id/board_name configuration File opened for reading /sys/devices/virtual/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/669/cmdline configuration File opened for reading /proc/676/cmdline configuration File opened for reading /proc/21/cmdline configuration File opened for reading /proc/5/cmdline configuration File opened for reading /proc/7/cmdline configuration File opened for reading /proc/71/cmdline configuration File opened for reading /proc/726/cmdline configuration File opened for reading /proc/2/cmdline configuration File opened for reading /proc/110/cmdline configuration File opened for reading /proc/176/cmdline configuration File opened for reading /proc/716/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/16/cmdline configuration File opened for reading /proc/36/cmdline configuration File opened for reading /proc/69/cmdline configuration File opened for reading /proc/388/cmdline configuration File opened for reading /proc/673/cmdline configuration File opened for reading /proc/335/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/mounts configuration File opened for reading /proc/1/cmdline configuration File opened for reading /proc/3/cmdline configuration File opened for reading /proc/8/cmdline configuration File opened for reading /proc/9/cmdline configuration File opened for reading /proc/78/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/82/cmdline configuration File opened for reading /proc/81/cmdline configuration File opened for reading /proc/368/cmdline configuration File opened for reading /proc/70/cmdline configuration File opened for reading /proc/331/cmdline configuration File opened for reading /proc/383/cmdline configuration File opened for reading /proc/710/cmdline configuration File opened for reading /proc/37/cmdline configuration File opened for reading /proc/161/cmdline configuration File opened for reading /proc/708/cmdline configuration File opened for reading /proc/13/cmdline configuration File opened for reading /proc/439/cmdline configuration File opened for reading /proc/19/cmdline configuration File opened for reading /proc/24/cmdline configuration File opened for reading /proc/10/cmdline configuration File opened for reading /proc/84/cmdline configuration File opened for reading /proc/126/cmdline configuration File opened for reading /proc/705/cmdline configuration File opened for reading /proc/device-tree/model configuration File opened for reading /proc/4/cmdline configuration File opened for reading /proc/11/cmdline configuration File opened for reading /proc/14/cmdline configuration File opened for reading /proc/15/cmdline configuration File opened for reading /proc/127/cmdline configuration File opened for reading /proc/152/cmdline configuration File opened for reading /proc/704/cmdline configuration File opened for reading /proc/18/cmdline configuration File opened for reading /proc/717/cmdline configuration File opened for reading /proc/731/cmdline configuration File opened for reading /proc/6/cmdline configuration File opened for reading /proc/20/cmdline configuration File opened for reading /proc/22/cmdline configuration File opened for reading /proc/68/cmdline configuration File opened for reading /proc/72/cmdline configuration File opened for reading /proc/76/cmdline configuration File opened for reading /proc/338/cmdline configuration File opened for reading /proc/675/cmdline configuration File opened for reading /proc/17/cmdline configuration - System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 711 mips.elf 711 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
-
/tmp/mips.elf/tmp/mips.elf1⤵
- Renames itself
- System Network Configuration Discovery
PID:711 -
/bin/shsh -c "crontab -l"2⤵PID:713
-
/usr/bin/crontabcrontab -l3⤵
- Reads runtime system information
PID:714
-
-
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/bin/shsh -c "(crontab -l ; echo \"@reboot /root/.sys/configuration\")| crontab -"2⤵PID:718
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
- Reads runtime system information
PID:723
-
-
/usr/bin/crontabcrontab -l3⤵
- Reads runtime system information
PID:724
-
-
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/root/.sys/configuration/tmp/mips.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:711
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /var/spool/cron/crontabs/tmp.74OwZP
- Size 208B
- SHA256 027740a2412cba24b35ffc9b8da102b952ade98a7ce3cf37f21dea05122e426d
- MD5 572a62c71fbfb52171df4e7101289469
- SHA1 ef35e77132cb765ed6ebef719c92124b4a7295bb
- SHA512 e7f5cb678019feb378d88768d603e4aeee7ee877bbabd2009acd0008555c77cbcbc5a701476740c5c0e07585f11081267e2826603f156974fc6e2052b6563d8e
- MD5 SHA1 SHA512