Analysis
- max time kernel
149s - max time network
151s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260513-en - resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system - submitted
29/09/2026, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
i486.elf
Resource
ubuntu1804-amd64-20260513-en
General
- Target i486.elf
- Size 520KB
- Sample260929-tr2weaba58
- SHA256 3029809c3b3880bd58184857c7b434219e571af3e781ed3ef89d73a5d4a18d5c
- MD5 3059370ad0c70fa3d4f8f20da67f1455
- SHA1 47ece4e244606be4fc2872d981fc362f572b52f8
- SHA512 717b8a916f2a5687d5385142dd85756c0546efaf65b5d2756576eed38a96c815187b4cd4ce6c9542601e093186955ac25f2600975f6ec3f9cf3e0b8fb8d1f121
- SSDEEP 6144:FJW4mH9Lkmk2sSTDbCbGFu6U8rITUuzbC9A5W7fkWXMbOeBUH/YVbpY:FJW4c9LkmOI2YkSdsWXMbOeBS/YVlY
- TLSH T1A4B49E03A6B7E8B1D4A142B1215557B94972C5B315B7E98FEFE52C90DE602C0F32C3AB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- Contacts a large (2478) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process File opened for modification /etc/cron.d/qv3b i486.elf - 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 i486.elf - Enumerates running processes
Discovers information about currently running processes on the system
-
description ioc Process File opened for modification /etc/init.d/qv3b i486.elf - Modifies rc script 2 TTPs 1 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
description ioc Process File opened for modification /etc/rc.local i486.elf - Changes its process name 1 IoCs
description pid Process Changes the process name, possibly in an attempt to hide itself 1494 i486.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 i486.elf -
description ioc Process File opened for reading /proc/176/cmdline i486.elf File opened for reading /proc/601/cmdline i486.elf File opened for reading /proc/1096/cmdline i486.elf File opened for reading /proc/707/fd i486.elf File opened for reading /proc/1027/fd i486.elf File opened for reading /proc/115/cmdline i486.elf File opened for reading /proc/906/cmdline i486.elf File opened for reading /proc/1031/cmdline i486.elf File opened for reading /proc/34/comm i486.elf File opened for reading /proc/986/fd i486.elf File opened for reading /proc/999/fd i486.elf File opened for reading /proc/1195/fd i486.elf File opened for reading /proc/164/fd i486.elf File opened for reading /proc/968/fd i486.elf File opened for reading /proc/5/cmdline i486.elf File opened for reading /proc/15/cmdline i486.elf File opened for reading /proc/167/cmdline i486.elf File opened for reading /proc/469/cmdline i486.elf File opened for reading /proc/638/comm i486.elf File opened for reading /proc/1070/comm i486.elf File opened for reading /proc/6/cmdline i486.elf File opened for reading /proc/168/cmdline i486.elf File opened for reading /proc/667/cmdline i486.elf File opened for reading /proc/10/cmdline i486.elf File opened for reading /proc/86/comm i486.elf File opened for reading /proc/439/comm i486.elf File opened for reading /proc/440/cmdline i486.elf File opened for reading /proc/159/comm i486.elf File opened for reading /proc/167/comm i486.elf File opened for reading /proc/1092/cmdline i486.elf File opened for reading /proc/1140/comm i486.elf File opened for reading /proc/174/cmdline i486.elf File opened for reading /proc/460/fd i486.elf File opened for reading /proc/986/cmdline i486.elf File opened for reading /proc/1195/cmdline i486.elf File opened for reading /proc/962/fd i486.elf File opened for reading /proc/966/fd i486.elf File opened for reading /proc/1343/fd i486.elf File opened for reading /proc/440/comm i486.elf File opened for reading /proc/1058/cmdline i486.elf File opened for reading /proc/1178/cmdline i486.elf File opened for reading /proc/1259/comm i486.elf File opened for reading /proc/8/comm i486.elf File opened for reading /proc/159/fd i486.elf File opened for reading /proc/178/fd i486.elf File opened for reading /proc/328/cmdline i486.elf File opened for reading /proc/1161/cmdline i486.elf File opened for reading /proc/1070/fd i486.elf File opened for reading /proc/175/cmdline i486.elf File opened for reading /proc/971/cmdline i486.elf File opened for reading /proc/1098/comm i486.elf File opened for reading /proc/1458/comm i486.elf File opened for reading /proc/1074/fd i486.elf File opened for reading /proc/573/fd i486.elf File opened for reading /proc/137/comm i486.elf File opened for reading /proc/163/fd i486.elf File opened for reading /proc/471/comm i486.elf File opened for reading /proc/909/fd i486.elf File opened for reading /proc/79/fd i486.elf File opened for reading /proc/171/cmdline i486.elf File opened for reading /proc/548/cmdline i486.elf File opened for reading /proc/1491/comm i486.elf File opened for reading /proc/98/fd i486.elf File opened for reading /proc/249/comm i486.elf - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/.qv3b i486.elf
Processes
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /etc/cron.d/qv3b
- Size 24B
- SHA256 11911c5bde389370c5b47ffbd3d9f600cdbf87eb2514272aadbffae1eabc12b8
- MD5 4045230e37771246749ba7eafb29f7b2
- SHA1 cb571bb05c39d2a3efbec644e9755db33ac218ae
- SHA512 ed7384bbc70640a988150d55169e43f3068270c692b7857acc112031e6c742ee0f11bb1028bcd1cc893b086c3833852d9fe9f6a7cd38fc8381b3b8aecef85997
- MD5 SHA1 SHA512
- Path /tmp/.qv3b
- Size 520KB
- SHA256 3029809c3b3880bd58184857c7b434219e571af3e781ed3ef89d73a5d4a18d5c
- MD5 3059370ad0c70fa3d4f8f20da67f1455
- SHA1 47ece4e244606be4fc2872d981fc362f572b52f8
- SHA512 717b8a916f2a5687d5385142dd85756c0546efaf65b5d2756576eed38a96c815187b4cd4ce6c9542601e093186955ac25f2600975f6ec3f9cf3e0b8fb8d1f121
- SSDEEP 6144:FJW4mH9Lkmk2sSTDbCbGFu6U8rITUuzbC9A5W7fkWXMbOeBUH/YVbpY:FJW4c9LkmOI2YkSdsWXMbOeBS/YVlY
- TLSH T1A4B49E03A6B7E8B1D4A142B1215557B94972C5B315B7E98FEFE52C90DE602C0F32C3AB
- MD5 SHA1 SHA512 SSDEEP TLSH