Analysis
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max time kernel
149s -
max time network
176s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
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submitted
23-11-2024 15:12
General
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Target
sora.arm7.elf
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Size
50KB
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MD5
5999375900f84bedc2a4cff2608bf3b4
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SHA1
4ab454bacb94d0953a9f431f7e2fbf50fb37e332
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SHA256
bf80ca576e99af76d8e36ede2dddfef2849d2ccd59ac0f15ea2d21c6562f2441
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SHA512
e19fcdbd1232538f3e2bc1701f693c2681c9b787fcac1c50315781576b2dc0e13805aa41c4a679e8883eb382b24e6a96099d5a24942f9ee15046075fc251eba2
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SSDEEP
768:CfZYvZxNZ/SPjiUv0w0zyIvfgJy2LHRfbwuwY9q3UEL2qEK5J6OAsNTGjf2tl8X9:tPtQjiZVcykHRDqBL15J6RN2tA9
Malware Config
Extracted
mirai
SORA
Signatures
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Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
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Mirai family
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Contacts a large (168361) 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.
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Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
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Changes its process name 1 IoCs
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Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
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Reads runtime system information 16 IoCs
Reads data from /proc virtual filesystem.
Processes
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/tmp/sora.arm7.elf/tmp/sora.arm7.elf1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
- Reads runtime system information