Analysis
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max time kernel
123s -
max time network
155s -
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
02-07-2024 02:04
Static task
static1
Behavioral task
behavioral1
Sample
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf
Resource
debian9-mipsbe-20240611-en
General
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Target
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf
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Size
158KB
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MD5
37e6b4d93ace5aa57958fdb1a0c2d167
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SHA1
ed21d4dcb236668523c67dac83158a50611c3819
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SHA256
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806
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SHA512
38bdd4c46bd65c449a3be98a6f7bd3ac50578c588df964a279e1f3c9bb15d56cc1063ea357b4c838306c1ea4ec2a03a249e0ae23eb98dbdc9c9ec56883494e19
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SSDEEP
3072:qtcVJ5G24rM7rFcLpsB4QIfgrUMnXNhO2qJCh5tdtczy9RP3Ql51eAFb1laWh3:qSg24I7rFxdIfgrUfsd0y9RP3Ql51ZFB
Malware Config
Signatures
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Contacts a large (71829) 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:
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elfdescription ioc process File opened for modification /dev/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for modification /dev/misc/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf -
Enumerates running processes
Discovers information about currently running processes on the system
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Writes file to system bin folder 1 TTPs 1 IoCs
Processes:
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elfdescription ioc process File opened for modification /sbin/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf -
Changes its process name 1 IoCs
Processes:
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elfdescription ioc pid process Changes the process name, possibly in an attempt to hide itself 691 cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf -
Enumerates kernel/hardware configuration 1 TTPs 3 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elfdescription ioc process File opened for reading /sys/devices/virtual/misc/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /sys/class/misc/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /sys/class/watchdog cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf -
Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
Processes:
cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elfdescription ioc process File opened for reading /proc/769/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/779/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/724/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/738/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/775/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/776/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/716/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/722/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/730/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/777/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/770/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/709/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/734/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/738/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/758/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/713/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/742/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/747/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/732/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/760/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/763/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/768/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/778/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/530/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/712/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/740/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/744/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/721/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/320/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/717/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/726/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/754/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/774/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/714/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/715/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/750/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/766/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/746/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/761/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/545/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/715/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/716/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/741/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/749/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/388/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/323/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/717/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/737/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/745/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/684/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/739/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/385/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/711/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/361/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/166/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/713/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/722/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/326/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/762/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/708/exe cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/751/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/757/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/351/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf File opened for reading /proc/707/cmdline cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf
Processes
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/tmp/cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf/tmp/cf0f91ffe3af5f43475503df6f29970d4e5afc0643ff56ffc5efabf5ad1b6806.elf1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Changes its process name
- Enumerates kernel/hardware configuration
- Reads runtime system information