Analysis
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max time kernel
145s -
max time network
152s -
platform
debian-12_armhf -
resource
debian12-armhf-20250410-en -
resource tags
arch:armhfimage:debian12-armhf-20250410-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem -
submitted
15/04/2025, 01:52
Behavioral task
behavioral1
Sample
26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf
Resource
debian12-armhf-20250410-en
General
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Target
26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf
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Size
61KB
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MD5
a893877424241d0b255b63b9b4b54e82
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SHA1
0a941a9fe11a4e113880ac2588d3407fb0a5294a
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SHA256
26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5
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SHA512
21456ee2f0c956879005146d8a4e35112381cb51759954b202b37ae42c7ac6d2cb7ba01e73d7cd8cf4b2578eea982b0dc0d13fdcea539a4c4c4840dc8c1e0c6c
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SSDEEP
1536:axniD4d4zZtsmhOFHjmNafnQhG7fEoqqll34iC5dja:J4d4zUmnNUnQhG7fEC05dW
Malware Config
Signatures
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Contacts a large (15011) amount of remote hosts 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 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for modification /dev/misc/watchdog 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
Renames itself 1 IoCs
pid Process 757 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 37.252.191.197 -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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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 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
Enumerates running processes
Discovers information about currently running processes on the system
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Reads process memory 1 TTPs 4 IoCs
Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.
description ioc Process File opened for reading /proc/808/maps 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/809/maps 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/810/maps 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/807/maps 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself oom_reaper 757 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
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 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf -
description ioc Process File opened for reading /proc/19/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/34/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/733/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/762/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/807/cmdline 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/18/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/26/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/320/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/330/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/732/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/758/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/3/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/5/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/11/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/13/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/30/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/57/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/73/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/755/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/20/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/22/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/214/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/319/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/326/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/372/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/676/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/44/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/45/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/346/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/676/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/346/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/624/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/643/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/810/cmdline 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/4/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/10/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/17/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/674/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/264/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/808/cmdline 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/23/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/142/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/306/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/330/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/347/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/733/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/757/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/188/status 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/14/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/51/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/759/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/809/cmdline 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/2/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/8/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/32/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/732/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/7/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/29/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/188/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/264/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/351/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/28/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/33/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf File opened for reading /proc/372/comm 26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf
Processes
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/tmp/26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf/tmp/26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf1⤵
- Modifies Watchdog functionality
- Renames itself
- Enumerates active TCP sockets
- Reads process memory
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:757