Analysis
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max time kernel
149s -
max time network
151s -
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, 05:25
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
2e328ff639c8c99b0bdc637bc3153619
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SHA1
897f15f8ea7ca6ce4a94cf5185d84bf482ed5924
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SHA256
f686accbe32136fab610609332b5b463049be4a85e1eb145311c9b3c137d253e
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SHA512
99e07283dd2ba333a19b66868b0b71512434502152c84e93e5474e408d485e3c47a79419e5d09c615e09b01a7854e8bdc0ddea445c036ceacbede2e38169b3be
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SSDEEP
12288:7A84JF9Qc8GgZxTM6m1U3snB6NnVuqnAtSyBpywBdlEykR6LkV6N0L8AXwtZJHZz:/M6m1U3rVuqAtSySwY1gEIZB
Malware Config
Signatures
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Renames itself 1 IoCs
pid Process 711 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.BvD2nx 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/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 File opened for reading /sys/class/dmi/id/board_name 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/filesystems crontab File opened for reading /proc/20/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/2/cmdline configuration File opened for reading /proc/9/cmdline configuration File opened for reading /proc/10/cmdline configuration File opened for reading /proc/17/cmdline configuration File opened for reading /proc/359/cmdline configuration File opened for reading /proc/384/cmdline configuration File opened for reading /proc/12/cmdline configuration File opened for reading /proc/681/cmdline configuration File opened for reading /proc/705/cmdline configuration File opened for reading /proc/82/cmdline configuration File opened for reading /proc/161/cmdline configuration File opened for reading /proc/mounts configuration File opened for reading /proc/69/cmdline configuration File opened for reading /proc/70/cmdline configuration File opened for reading /proc/73/cmdline configuration File opened for reading /proc/110/cmdline configuration File opened for reading /proc/157/cmdline configuration File opened for reading /proc/6/cmdline configuration File opened for reading /proc/22/cmdline configuration File opened for reading /proc/24/cmdline configuration File opened for reading /proc/71/cmdline configuration File opened for reading /proc/675/cmdline configuration File opened for reading /proc/680/cmdline configuration File opened for reading /proc/1/cmdline configuration File opened for reading /proc/14/cmdline configuration File opened for reading /proc/76/cmdline configuration File opened for reading /proc/708/cmdline configuration File opened for reading /proc/710/cmdline configuration File opened for reading /proc/device-tree/model configuration File opened for reading /proc/36/cmdline configuration File opened for reading /proc/72/cmdline configuration File opened for reading /proc/360/cmdline configuration File opened for reading /proc/364/cmdline configuration File opened for reading /proc/7/cmdline configuration File opened for reading /proc/37/cmdline configuration File opened for reading /proc/709/cmdline configuration File opened for reading /proc/251/cmdline configuration File opened for reading /proc/23/cmdline configuration File opened for reading /proc/filesystems crontab File opened for reading /proc/4/cmdline configuration File opened for reading /proc/8/cmdline configuration File opened for reading /proc/79/cmdline configuration File opened for reading /proc/81/cmdline configuration File opened for reading /proc/127/cmdline configuration File opened for reading /proc/5/cmdline configuration File opened for reading /proc/18/cmdline configuration File opened for reading /proc/19/cmdline configuration File opened for reading /proc/664/cmdline configuration File opened for reading /proc/731/cmdline configuration File opened for reading /proc/15/cmdline configuration File opened for reading /proc/77/cmdline configuration File opened for reading /proc/68/cmdline configuration File opened for reading /proc/126/cmdline configuration File opened for reading /proc/337/cmdline configuration File opened for reading /proc/383/cmdline configuration File opened for reading /proc/387/cmdline configuration File opened for reading /proc/723/cmdline configuration File opened for reading /proc/13/cmdline configuration File opened for reading /proc/16/cmdline configuration File opened for reading /proc/178/cmdline configuration File opened for reading /proc/235/cmdline configuration -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 711 mipsel.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
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/tmp/mipsel.elf/tmp/mipsel.elf1⤵
- Renames itself
- System Network Configuration Discovery
PID:711 -
/bin/shsh -c "crontab -l"2⤵PID:712
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/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:717
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/usr/bin/crontabcrontab -l3⤵
- Reads runtime system information
PID:721
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
- Reads runtime system information
PID:719
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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:711
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
208B
MD5966c021897fcf49d3fb44a7ca850c2e0
SHA128095d46a647dec4740c0381d15c2095ceea3bb4
SHA2560772c433455268054bbd5fcaa67eee22f1edc84839ebf0a507a1a8f2411bfc52
SHA5120aec57e2a4d618147e2417048c9031c542c2566530fe07d95572bdb25135080c30483ba486cb7b6ee5bd81a9852e89aaad1d2deb37a1b3fd8e65d0e4ebf52af0