Analysis
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max time kernel
150s -
max time network
156s -
platform
debian-9_mips -
resource
debian9-mipsbe-20240611-en -
resource tags
arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
23-11-2024 15:24
Behavioral task
behavioral1
Sample
sora.mips.elf
Resource
debian9-mipsbe-20240611-en
General
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Target
sora.mips.elf
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Size
28KB
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MD5
dc265141e7841a550dc18be503d5b842
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SHA1
89d933d1c184390f866a20b44bab4d53211c89c3
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SHA256
907e23967aa56e6810783d6bac29a42b0de74ac7b286e025dc58f6b73547c756
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SHA512
08c2360c09f2a1e46a5b89e44b9821e4afb1bf14c7b7af1644f4be1f0275aa18154fde97f5f9199cbdc89c99442ac825211e79c83aab646d2ef281978251e7c1
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SSDEEP
768:D4ylAtv6pqLJM0RXaxGyUbXtheU/SpJgGlzDpbuR1Jn:MMBqTRXa+Zhr/UVJuJ
Malware Config
Extracted
mirai
SORA
Signatures
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Mirai family
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Contacts a large (134770) 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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Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
Processes:
sora.mips.elfdescription ioc process File opened for modification /dev/watchdog sora.mips.elf File opened for modification /dev/misc/watchdog sora.mips.elf -
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
Processes:
sora.mips.elfdescription ioc process File opened for reading /proc/net/tcp sora.mips.elf -
Changes its process name 1 IoCs
Processes:
sora.mips.elfdescription ioc pid process Changes the process name, possibly in an attempt to hide itself 3ejfdf5hp5ab1fd04bi 705 sora.mips.elf -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
sora.mips.elfdescription ioc process File opened for reading /proc/net/tcp sora.mips.elf -
Processes:
sora.mips.elfdescription ioc process File opened for reading /proc/509/fd sora.mips.elf File opened for reading /proc/709/fd sora.mips.elf File opened for reading /proc/711/fd sora.mips.elf File opened for reading /proc/384/fd sora.mips.elf File opened for reading /proc/466/fd sora.mips.elf File opened for reading /proc/709/exe sora.mips.elf File opened for reading /proc/319/fd sora.mips.elf File opened for reading /proc/371/fd sora.mips.elf File opened for reading /proc/510/fd sora.mips.elf File opened for reading /proc/698/fd sora.mips.elf File opened for reading /proc/706/fd sora.mips.elf File opened for reading /proc/713/fd sora.mips.elf File opened for reading /proc/228/fd sora.mips.elf File opened for reading /proc/320/fd sora.mips.elf File opened for reading /proc/167/fd sora.mips.elf File opened for reading /proc/405/fd sora.mips.elf File opened for reading /proc/724/fd sora.mips.elf File opened for reading /proc/1/fd sora.mips.elf File opened for reading /proc/142/fd sora.mips.elf File opened for reading /proc/321/fd sora.mips.elf File opened for reading /proc/347/fd sora.mips.elf File opened for reading /proc/682/fd sora.mips.elf File opened for reading /proc/708/fd sora.mips.elf File opened for reading /proc/718/fd sora.mips.elf File opened for reading /proc/706/exe sora.mips.elf File opened for reading /proc/316/fd sora.mips.elf File opened for reading /proc/473/fd sora.mips.elf File opened for reading /proc/779{1,1T sora.mips.elf File opened for reading /proc/373/fd sora.mips.elf -
System Network Configuration Discovery 1 TTPs 1 IoCs
Adversaries may gather information about the network configuration of a system.