f374dcafa9acc2910cdd63dee45087dd5bd23602d927dde6ee9652d06ea5ec7b

Analysis

max time kernel
134s
max time network
154s
platform
debian-12_mipsel
resource
debian12-mipsel-20240729-en
resource tags

arch:mipselimage:debian12-mipsel-20240729-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
submitted
07/03/2025, 14:02

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General

Target

5r3fqt67ew531has4231.mpsl.elf
Size

114KB
MD5

82919c063756155bab5d734f380b6351
SHA1

f30a48ebbf2572d1fef95fe3990c565836dbf7ad
SHA256

f374dcafa9acc2910cdd63dee45087dd5bd23602d927dde6ee9652d06ea5ec7b
SHA512

9be946b67278f10e19a998f6a6f421cceb685b05c365c2599eec65cd7461b8932dfd9269ddb4853864cf33365eacb0962395c4fbae9ec42296f7566576443291
SSDEEP

3072:H/Axmw2Z9daAMN8CSR/vW2AN1KiwbZnX3R:H/Em5DLZvW26ZwRXh

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (194195) 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
744	sh
755	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	742	5r3fqt67ew531has4231.mpsl.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/5r3fqt67ew531has4231.mpsl.elf
/tmp/5r3fqt67ew531has4231.mpsl.elf
1⤵
- Changes its process name
PID:742
- /bin/sh
  sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/5r3fqt67ew531has4231.mpsl.elf bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:744
- - /usr/bin/rm
    rm -rf bin/busybox
    3⤵
    PID:746
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:749
- - /usr/bin/mv
    mv /tmp/5r3fqt67ew531has4231.mpsl.elf bin/busybox
    3⤵
    - Reads runtime system information
    PID:751
- - /usr/bin/chmod
    chmod 777 bin/busybox
    3⤵
    - File and Directory Permissions Modification
    PID:755

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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