a7a67db171821cfe523bb884a0f6b233a7fa1e12f53a2d7a746fdd0397a92b28

Analysis

max time kernel
150s
max time network
155s
platform
debian-12_mipsel
resource
debian12-mipsel-20260513-en
resource tags

arch:mipselimage:debian12-mipsel-20260513-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
submitted
04/08/2026, 06:39

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General

Target
mpsl.elf
Size 82KB
Sample260804-he326ahn3t
SHA256 a7a67db171821cfe523bb884a0f6b233a7fa1e12f53a2d7a746fdd0397a92b28
MD5 790f2edeb7b9ee6a08e8d4dbeef765f2
SHA1 c9aa7cbbe4a7ce0471f1116981993a91fa1e9d0c
SHA512 eb67ef0a60307152cec105e49cf78c2cfcb389007d55c13e5b915f5cfeba8052fde2fe2d260b06bf20917b591fb7e822ceebd5450c2a484eac36cf3725f4a9d7
SSDEEP 1536:iVL8uR5KCZ0j752dCuouFf8EZlDgfkJ40YPWB:iVL8gg9FejouJFDdO8
TLSH
T1B883C606BB510FF7DC6FCD370AE91702348C594A22A97B367634D828F65B24B59E3CA4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (36089) 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
799	sh
813	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	798	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/mpsl.elf
/tmp/mpsl.elf
1⤵
- Changes its process name
PID:798
- /bin/sh
  sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/mpsl.elf bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:799
- - /usr/bin/rm
    rm -rf bin/busybox
    3⤵
    PID:802
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:805
- - /usr/bin/mv
    mv /tmp/mpsl.elf bin/busybox
    3⤵
    - Reads runtime system information
    PID:809
- - /usr/bin/chmod
    chmod 777 bin/busybox
    3⤵
    - File and Directory Permissions Modification
    PID:813

Network

MITRE ATT&CK Enterprise v16

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 v16

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