Analysis
- max time kernel
149s - max time network
158s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260126-en - resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20260126-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system - submitted
20/04/2026, 12:19
Static task
static1
Behavioral task
behavioral1
Sample
krane_linux_x64.elf
Resource
ubuntu1804-amd64-20260126-en
6 signatures
150 seconds
General
- Target krane_linux_x64.elf
- Size 6.2MB
- Sample260420-phlevahz2k
- SHA256 71df0a072a2cac8b6b68b8a15502b0e1f93d8c339dd50476b59a740407b1055a
- MD5 b5864ae9459fe262d7693dcfecd6bdf0
- SHA1 d807f39c82cb9b325f94993e15908698110681ff
- SHA512 b336f9245eee499c9fce7d764a4a3316728f5159ec88ff402a29cfa113d326fd2598be5e4b6bb99d2ee6e32e4675a3c56de6206f9c6255a4e214163a9bb27e85
- SSDEEP 49152:PNzmFlpZj11m7szER2p+P3aufH+5eDe+wUm4Q2Ha9Jl5RfUuvfjt+K3TWmhLKiKe:PNIpdkUk5B853dms7IEb
- TLSH T151564A03FC9955E9C0AE91318A629553BB71BC8D5B3123D32B60F6342F77BD0AAB9740
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Contacts a large (96763) 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 api.ipify.org 4 api.ipify.org 6 api.ipify.org - Enumerates kernel/hardware configuration 1 TTPs 6 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 krane_linux_x64.elf File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_quota_us krane_linux_x64.elf File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_period_us krane_linux_x64.elf File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size krane_linux_x64.elf File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_quota_us krane_linux_x64.elf File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_period_us krane_linux_x64.elf -
description ioc Process File opened for reading /proc/stat krane_linux_x64.elf File opened for reading /proc/meminfo krane_linux_x64.elf File opened for reading /proc/self/cgroup krane_linux_x64.elf File opened for reading /proc/self/mountinfo krane_linux_x64.elf File opened for reading /proc/self/cgroup krane_linux_x64.elf File opened for reading /proc/self/mountinfo krane_linux_x64.elf - GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 9 Go-http-client/1.1