Analysis
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max time kernel
150s -
max time network
152s -
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
19-12-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118
Resource
debian9-mipsbe-20240611-en
General
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Target
fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118
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Size
38KB
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MD5
fdf46f6f5ab127af6c75c7e9e23467de
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SHA1
f5adbe1de700df6fc79c1408795ce60bd07785bf
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SHA256
59678d1f5301784e37aba61e6774aa15ef3e06495566d1506ca8c8684c81452d
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SHA512
49013daafa9513c9a3b8ba7753b6c08c117b842be74d8005a7dd34e3d56b01b4d324a2da9a16bba4966d528be22d9c322b06936ccefb4b5e8e85fa56033472a1
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SSDEEP
768:ZkRdVMqfF6yk6e83nlcZXAiKFLZBphBf5+sqy2uaNo8JgGlzDpxYsl:276qfF6oe8OwjLzphBf5+sgPVrYi
Malware Config
Extracted
mirai
KYTON
Signatures
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Mirai family
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Contacts a large (104127) 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.
description ioc Process File opened for modification /dev/watchdog fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 File opened for modification /dev/misc/watchdog fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 -
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 -
Writes file to system bin folder 1 IoCs
description ioc Process File opened for modification /bin/watchdog fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself bYRRfJ85HbJuc7c6gIUCHZFUJsuR 712 fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 -
description ioc Process File opened for reading /proc/self/exe fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118 File opened for reading /proc/715/exe fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118
Processes
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/tmp/fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes118/tmp/fdf46f6f5ab127af6c75c7e9e23467de_JaffaCakes1181⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Writes file to system bin folder
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:712