Analysis
- geolocation tags
eueuropefrfrance - user interaction
yes - max time kernel
110s - max time network
897s - platform
ubuntu-22.04_amd64 - resource
ubuntu2204-amd64-20260513-es - resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20260513-eskernel:5.15.0-105-genericlocale:es-esos:ubuntu-22.04-amd64system - submitted
18/07/2026, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
cfst_linux_amd64.tar
Resource
ubuntu2204-amd64-20260127-es
Behavioral task
behavioral2
Sample
cfst
Resource
ubuntu2204-amd64-20260513-es
Behavioral task
behavioral3
Sample
cfst_hosts.sh
Resource
ubuntu2204-amd64-20260513-es
Behavioral task
behavioral4
Sample
ip.txt
Resource
ubuntu2204-amd64-20260127-es
Behavioral task
behavioral5
Sample
ipv6.txt
Resource
ubuntu2204-amd64-20260513-es
Behavioral task
behavioral6
Sample
使用+错误+反馈说明.txt
Resource
ubuntu2204-amd64-20260513-es
General
- Target cfst
- Size 7.6MB
- Sample260718-yspppabw5k
- SHA256 2d0b1f831eea02ea2eb98d1cecbe9d8d631a72f19c46b23bb0457cb12f75e556
- MD5 706539ba37e2189b84bccdd8c367e8dc
- SHA1 29990446fee428e857913ceb384af3454162b153
- SHA512 c3a402d105157874b3078b4aef07ea44b005a550150b556f59f54f27c8d37e2fdf7d8bd6b991597cd8a901702d4b7665c6a268e5ac3fafd54251add04e582bdb
- SSDEEP 49152:ECSlqbfF+67w/N3Kgfpxhwiz2gE448oi18iAtdRVPLBY0iXTUIqoDkE1NDk07wCP:ELoZ+T3TnX4/D9VLrioo3kgt7cRicEB
- TLSH T18B864B43F8A515E5C1AED2358A6292527B717C495F2127D73B90F3383F76BC0AABA700
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contacts a large (11880) 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.
- Enumerates kernel/hardware configuration 1 TTPs 1 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size cfst - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/result.csv cfst
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /tmp/result.csv
- Size 228KB
- SHA256 60de5c0599b1c05b0eb2522470a0b4e19f5933aeae823c0c497799c0d43bd6c1
- MD5 3d5551325132fcb9d5298012b56555bd
- SHA1 71e50e45f1756a8a32cf5235789658b357182ec7
- SHA512 ea9f0dde4c73795a89ec7d65b3048290f2f934110ae4ba677ea04ccb08afd5387b2fde1c55f03f04f8c4f87b502ae203b3b7558ffa6f6b33a8ab12c064cb2e22
- SSDEEP 1536:PgT0zNM/h7iq4JOj+FiP/RdNz0vrH/nfxnTK:I9
- TLSH T1C834EEE0339B85EE89D0D3C2B3EC59670497D06E75DEB0E8EA9EE4D67901CE12160F52
- MD5 SHA1 SHA512 SSDEEP TLSH