a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57

Analysis

max time kernel
149s
max time network
152s
platform
debian-12_armhf
resource
debian12-armhf-20240418-en
resource tags

arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
17-12-2024 04:12

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General

Target

a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf
Size

147KB
MD5

a5a46ab834e2fd4ea2e14dbfde7c0517
SHA1

656009fcd4774af8cc966ae78dc2b03888ffbc0f
SHA256

a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57
SHA512

d7641058ee1d618e75cd54ab1e81026872e9854d728131e8416edab733917512a88e42428698aa4ebf9159237856e91ac446673160d1b4fb0968fbc7bb3fe900
SSDEEP

3072:eJLce5p0pHdiSEaaHbz4NrA/Jt5IQ1F9kXMk/M/983kY:eJLcH9EaaHbz4NU/JrH9kXMcM/9IkY

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (37131) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

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

pid	Process
703	sh
721	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	702	a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mv

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/bin/busybox	sh

/tmp/a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf
/tmp/a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf
1⤵
- Changes its process name
PID:702
- /bin/sh
  /bin/sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf�� bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:703
- - /usr/bin/rm
    rm -rf bin/busybox
    3⤵
    PID:707
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:715
- - /usr/bin/mv
    mv "/tmp/a9b447db9ccc8d61a3f762d7095e8a88014b20cac85bdc63849ea845d7b74d57.elf��" "��bin/busybox"
    3⤵
    - Reads runtime system information
    PID:718
- - /usr/bin/chmod
    chmod 777 "bin/busybox"
    3⤵
    - File and Directory Permissions Modification
    PID:721

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

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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