Analysis
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max time kernel
151s -
max time network
155s -
platform
debian-12_mipsel -
resource
debian12-mipsel-20250619-en -
resource tags
arch:mipselimage:debian12-mipsel-20250619-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem -
submitted
03/07/2025, 05:28
Static task
static1
Behavioral task
behavioral1
Sample
mipsel.elf
Resource
debian12-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 793 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/class/dmi/id/board_vendor configuration File opened for reading /sys/devices/virtual/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.x7oviY 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/815/cmdline configuration File opened for reading /proc/19/cmdline configuration File opened for reading /proc/33/cmdline configuration File opened for reading /proc/44/cmdline configuration File opened for reading /proc/48/cmdline configuration File opened for reading /proc/116/cmdline configuration File opened for reading /proc/203/cmdline configuration File opened for reading /proc/379/cmdline configuration File opened for reading /proc/20/cmdline configuration File opened for reading /proc/35/cmdline configuration File opened for reading /proc/696/cmdline configuration File opened for reading /proc/761/cmdline configuration File opened for reading /proc/26/cmdline configuration File opened for reading /proc/42/cmdline configuration File opened for reading /proc/404/cmdline configuration File opened for reading /proc/765/cmdline configuration File opened for reading /proc/8/cmdline configuration File opened for reading /proc/21/cmdline configuration File opened for reading /proc/115/cmdline configuration File opened for reading /proc/119/cmdline configuration File opened for reading /proc/414/cmdline configuration File opened for reading /proc/700/cmdline configuration File opened for reading /proc/6/cmdline configuration File opened for reading /proc/23/cmdline configuration File opened for reading /proc/37/cmdline configuration File opened for reading /proc/59/cmdline configuration File opened for reading /proc/321/cmdline configuration File opened for reading /proc/333/cmdline configuration File opened for reading /proc/395/cmdline configuration File opened for reading /proc/113/cmdline configuration File opened for reading /proc/785/cmdline configuration File opened for reading /proc/3/cmdline configuration File opened for reading /proc/10/cmdline configuration File opened for reading /proc/138/cmdline configuration File opened for reading /proc/663/cmdline configuration File opened for reading /proc/770/cmdline configuration File opened for reading /proc/24/cmdline configuration File opened for reading /proc/30/cmdline configuration File opened for reading /proc/53/cmdline configuration File opened for reading /proc/16/cmdline configuration File opened for reading /proc/18/cmdline configuration File opened for reading /proc/28/cmdline configuration File opened for reading /proc/29/cmdline configuration File opened for reading /proc/34/cmdline configuration File opened for reading /proc/device-tree/model configuration File opened for reading /proc/11/cmdline configuration File opened for reading /proc/58/cmdline configuration File opened for reading /proc/112/cmdline configuration File opened for reading /proc/114/cmdline configuration File opened for reading /proc/137/cmdline configuration File opened for reading /proc/392/cmdline configuration File opened for reading /proc/406/cmdline configuration File opened for reading /proc/5/cmdline configuration File opened for reading /proc/9/cmdline configuration File opened for reading /proc/13/cmdline configuration File opened for reading /proc/15/cmdline configuration File opened for reading /proc/47/cmdline configuration File opened for reading /proc/782/cmdline configuration File opened for reading /proc/804/cmdline configuration File opened for reading /proc/818/cmdline configuration File opened for reading /proc/mounts configuration File opened for reading /proc/762/cmdline configuration File opened for reading /proc/7/cmdline configuration File opened for reading /proc/12/cmdline configuration -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 793 mipsel.elf 793 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:793 -
/bin/shsh -c "crontab -l"2⤵PID:794
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/usr/bin/crontabcrontab -l3⤵PID:797
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/bin/shsh -c "(crontab -l ; echo \"@reboot /root/.sys/configuration\")| crontab -"2⤵PID:802
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/usr/bin/crontabcrontab -l3⤵PID:808
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:807
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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:793
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
208B
MD5f359112bebca2e5c3c28232388d11051
SHA1d98ecfb84792a2028c28785e8af24a64c80a3289
SHA256ba7334f1c35d8eb6b7adab9d5d25b97e17d05ac59cb043e348d0addc30b966a2
SHA512d61ebbb8e7b12c0ce97f8c877908ef138c47c703f6d0ea9277aa6cd98578f83d76f0d6b35f5dc57dfb2ce6b711590f02ad8136dd2390b76b93e0598ef3bb301f