Analysis
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max time kernel
149s -
max time network
151s -
platform
ubuntu-22.04_amd64 -
resource
ubuntu2204-amd64-20240522.1-en -
resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20240522.1-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system -
submitted
07/03/2025, 12:17
Behavioral task
behavioral1
Sample
jklx86.elf
Resource
ubuntu2204-amd64-20240522.1-en
General
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Target
jklx86.elf
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Size
49KB
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MD5
ecd1b914d0248a8174d1f5ef567e2227
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SHA1
c5ba0731a7b3236db4b8443b6be4f2f07d5ed6e5
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SHA256
adc70485dbae6ab79f9083ff5f96da2fece8b5922f0f5d0757d1c366285bfab6
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SHA512
9e25c305fa81ce9c4f715d6bc746fae810bc255d7e3d10017242864c4c04923644e86fce42b16c0638a06eb44aa8abec2681d944670dd22d69ac4d0cebbe979f
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SSDEEP
1536:7uld7p12jkVJCWsAmSffC6tqacGSHfnHqs4ec:7uldP2jkV0BSfFiHfHq9/
Malware Config
Signatures
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Contacts a large (179927) 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 File opened for modification /dev/watchdog File opened for modification /dev/misc/watchdog -
Renames itself 1 IoCs
pid 1554 -
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 81.169.136.222 -
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc File opened for reading /proc/net/tcp -
Enumerates running processes
Discovers information about currently running processes on the system
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Changes its process name 1 IoCs
description ioc pid Changes the process name, possibly in an attempt to hide itself ibus-engine-sim 1554 -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc File opened for reading /proc/net/tcp -
description ioc File opened for reading /proc/682/comm File opened for reading /proc/411/comm File opened for reading /proc/1118/status File opened for reading /proc/1344/status File opened for reading /proc/223/comm File opened for reading /proc/811/comm File opened for reading /proc/1133/comm File opened for reading /proc/1418/comm File opened for reading /proc/1057/status File opened for reading /proc/19/comm File opened for reading /proc/20/comm File opened for reading /proc/110/comm File opened for reading /proc/666/comm File opened for reading /proc/1100/comm File opened for reading /proc/1303/comm File opened for reading /proc/821/status File opened for reading /proc/1160/status File opened for reading /proc/3/comm File opened for reading /proc/6/comm File opened for reading /proc/95/comm File opened for reading /proc/99/comm File opened for reading /proc/1033/comm File opened for reading /proc/1542/comm File opened for reading /proc/585/status File opened for reading /proc/1236/status File opened for reading /proc/229/comm File opened for reading /proc/414/comm File opened for reading /proc/1184/comm File opened for reading /proc/1177/status File opened for reading /proc/611/comm File opened for reading /proc/1145/comm File opened for reading /proc/679/status File opened for reading /proc/1113/status File opened for reading /proc/1219/status File opened for reading /proc/1418/status File opened for reading /proc/1495/status File opened for reading /proc/314/comm File opened for reading /proc/417/comm File opened for reading /proc/868/comm File opened for reading /proc/417/status File opened for reading /proc/25/comm File opened for reading /proc/78/comm File opened for reading /proc/826/comm File opened for reading /proc/1057/comm File opened for reading /proc/1066/comm File opened for reading /proc/1166/comm File opened for reading /proc/1363/comm File opened for reading /proc/593/status File opened for reading /proc/92/comm File opened for reading /proc/1219/comm File opened for reading /proc/1236/comm File opened for reading /proc/1360/comm File opened for reading /proc/587/comm File opened for reading /proc/593/comm File opened for reading /proc/79/comm File opened for reading /proc/203/comm File opened for reading /proc/221/comm File opened for reading /proc/15/comm File opened for reading /proc/90/comm File opened for reading /proc/91/comm File opened for reading /proc/633/comm File opened for reading /proc/761/comm File opened for reading /proc/1172/comm File opened for reading /proc/1067/status