mirai | 9569c5e8e6f03085d7b0c1480d385627e992122ef6ccf7e360ce685e95cdab0b

Analysis

max time kernel
144s
max time network
149s
platform
debian-9_mips
resource
debian9-mipsbe-20250619-en
resource tags

arch:mipsimage:debian9-mipsbe-20250619-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
21/08/2025, 04:37

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General

Target
morte.mips.elf
Size 102KB
Sample250821-e9ca5sfl8z
SHA256 9569c5e8e6f03085d7b0c1480d385627e992122ef6ccf7e360ce685e95cdab0b
MD5 acb28449eaa42eee3cbb7fd28cb254f7
SHA1 4d76edb2045cba49e40b543d9c6c87ef8f37ffa8
SHA512 06d4bf2fef3e38f12a8fd4f6c72edb7e7c808e11f18b5a822e7cbed4eb805d93e9482b793fe290199ee7bd2515f7fb4fdc73f1035c3d91ff987104bf1fb82f16
SSDEEP 1536:/76D9XdjHy9rCspdXnVy6f7ff9poWml5+lo8beJN8GVYQ8rlE:G1djuplVBfFpoWo+TdQaE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mirai botnet credential_access discovery persistence

Malware Config

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai

Deletes itself 1 IoCs

pid	Process
724	morte.mips.elf

Enumerates active TCP sockets 1 TTPs 1 IoCs

Gets active TCP sockets from /proc virtual filesystem.

discovery

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	morte.mips.elf

Enumerates running processes
Discovers information about currently running processes on the system

Modifies init.d 2 TTPs 1 IoCs

Adds/modifies system service, likely for persistence.

persistence

Boot or Logon Autostart Execution

T1547

RC Scripts

T1037.004

description	ioc	Process
File opened for modification	/etc/init.d/sysd	morte.mips.elf

Modifies rc script 2 TTPs 1 IoCs

Adding/modifying system rc scripts is a common persistence mechanism.

persistence

Boot or Logon Autostart Execution

T1547

RC Scripts

T1037.004

description	ioc	Process
File opened for modification	/etc/rc.local	morte.mips.elf

Write file to user bin folder 1 IoCs

persistence

description	ioc	Process
File opened for modification	/usr/bin/.sh	cp

Reads process memory 1 TTPs 64 IoCs

Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

credential_access

Proc Filesystem

T1003.007

description	ioc	Process
File opened for reading	/proc/78/maps	morte.mips.elf
File opened for reading	/proc/231/maps	morte.mips.elf
File opened for reading	/proc/338/maps	morte.mips.elf
File opened for reading	/proc/386/maps	morte.mips.elf
File opened for reading	/proc/673/maps	morte.mips.elf
File opened for reading	/proc/14/maps	morte.mips.elf
File opened for reading	/proc/153/maps	morte.mips.elf
File opened for reading	/proc/707/maps	morte.mips.elf
File opened for reading	/proc/712/maps	morte.mips.elf
File opened for reading	/proc/725/maps	morte.mips.elf
File opened for reading	/proc/4/maps	morte.mips.elf
File opened for reading	/proc/79/maps	morte.mips.elf
File opened for reading	/proc/331/maps	morte.mips.elf
File opened for reading	/proc/22/maps	morte.mips.elf
File opened for reading	/proc/10/maps	morte.mips.elf
File opened for reading	/proc/77/maps	morte.mips.elf
File opened for reading	/proc/711/maps	morte.mips.elf
File opened for reading	/proc/8/maps	morte.mips.elf
File opened for reading	/proc/432/maps	morte.mips.elf
File opened for reading	/proc/706/maps	morte.mips.elf
File opened for reading	/proc/15/maps	morte.mips.elf
File opened for reading	/proc/6/maps	morte.mips.elf
File opened for reading	/proc/118/maps	morte.mips.elf
File opened for reading	/proc/676/maps	morte.mips.elf
File opened for reading	/proc/20/maps	morte.mips.elf
File opened for reading	/proc/21/maps	morte.mips.elf
File opened for reading	/proc/70/maps	morte.mips.elf
File opened for reading	/proc/73/maps	morte.mips.elf
File opened for reading	/proc/82/maps	morte.mips.elf
File opened for reading	/proc/167/maps	morte.mips.elf
File opened for reading	/proc/683/maps	morte.mips.elf
File opened for reading	/proc/12/maps	morte.mips.elf
File opened for reading	/proc/16/maps	morte.mips.elf
File opened for reading	/proc/17/maps	morte.mips.elf
File opened for reading	/proc/713/maps	morte.mips.elf
File opened for reading	/proc/726/maps	morte.mips.elf
File opened for reading	/proc/3/maps	morte.mips.elf
File opened for reading	/proc/71/maps	morte.mips.elf
File opened for reading	/proc/682/maps	morte.mips.elf
File opened for reading	/proc/332/maps	morte.mips.elf
File opened for reading	/proc/11/maps	morte.mips.elf
File opened for reading	/proc/23/maps	morte.mips.elf
File opened for reading	/proc/76/maps	morte.mips.elf
File opened for reading	/proc/111/maps	morte.mips.elf
File opened for reading	/proc/19/maps	morte.mips.elf
File opened for reading	/proc/2/maps	morte.mips.elf
File opened for reading	/proc/9/maps	morte.mips.elf
File opened for reading	/proc/13/maps	morte.mips.elf
File opened for reading	/proc/119/maps	morte.mips.elf
File opened for reading	/proc/336/maps	morte.mips.elf
File opened for reading	/proc/5/maps	morte.mips.elf
File opened for reading	/proc/18/maps	morte.mips.elf
File opened for reading	/proc/75/maps	morte.mips.elf
File opened for reading	/proc/330/maps	morte.mips.elf
File opened for reading	/proc/37/maps	morte.mips.elf
File opened for reading	/proc/24/maps	morte.mips.elf
File opened for reading	/proc/72/maps	morte.mips.elf
File opened for reading	/proc/147/maps	morte.mips.elf
File opened for reading	/proc/721/maps	morte.mips.elf
File opened for reading	/proc/245/maps	morte.mips.elf
File opened for reading	/proc/385/maps	morte.mips.elf
File opened for reading	/proc/391/maps	morte.mips.elf
File opened for reading	/proc/666/maps	morte.mips.elf
File opened for reading	/proc/36/maps	morte.mips.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	udevd	716	morte.mips.elf

Reads system network configuration 1 TTPs 2 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/tcp	morte.mips.elf
File opened for reading	/proc/net/tcp6	morte.mips.elf

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/8/cmdline	morte.mips.elf
File opened for reading	/proc/20/cmdline	morte.mips.elf
File opened for reading	/proc/21/cmdline	morte.mips.elf
File opened for reading	/proc/666/cmdline	morte.mips.elf
File opened for reading	/proc/119/comm	morte.mips.elf
File opened for reading	/proc/15/fd	morte.mips.elf
File opened for reading	/proc/19/fd	morte.mips.elf
File opened for reading	/proc/36/fd	morte.mips.elf
File opened for reading	/proc/22/cmdline	morte.mips.elf
File opened for reading	/proc/4/cmdline	morte.mips.elf
File opened for reading	/proc/13/cmdline	morte.mips.elf
File opened for reading	/proc/76/cmdline	morte.mips.elf
File opened for reading	/proc/111/cmdline	morte.mips.elf
File opened for reading	/proc/707/cmdline	morte.mips.elf
File opened for reading	/proc/18/comm	morte.mips.elf
File opened for reading	/proc/20/comm	morte.mips.elf
File opened for reading	/proc/15/cmdline	morte.mips.elf
File opened for reading	/proc/71/cmdline	morte.mips.elf
File opened for reading	/proc/70/comm	morte.mips.elf
File opened for reading	/proc/167/comm	morte.mips.elf
File opened for reading	/proc/706/comm	morte.mips.elf
File opened for reading	/proc/711/comm	morte.mips.elf
File opened for reading	/proc/16/fd	morte.mips.elf
File opened for reading	/proc/73/fd	morte.mips.elf
File opened for reading	/proc/153/cmdline	morte.mips.elf
File opened for reading	/proc/11/comm	morte.mips.elf
File opened for reading	/proc/23/comm	morte.mips.elf
File opened for reading	/proc/9/fd	morte.mips.elf
File opened for reading	/proc/111/fd	morte.mips.elf
File opened for reading	/proc/332/fd	morte.mips.elf
File opened for reading	/proc/385/fd	morte.mips.elf
File opened for reading	/proc/676/fd	morte.mips.elf
File opened for reading	/proc/10/cmdline	morte.mips.elf
File opened for reading	/proc/14/comm	morte.mips.elf
File opened for reading	/proc/15/comm	morte.mips.elf
File opened for reading	/proc/77/comm	morte.mips.elf
File opened for reading	/proc/3/fd	morte.mips.elf
File opened for reading	/proc/153/fd	morte.mips.elf
File opened for reading	/proc/666/fd	morte.mips.elf
File opened for reading	/proc/706/fd	morte.mips.elf
File opened for reading	/proc/24/cmdline	morte.mips.elf
File opened for reading	/proc/7/cmdline	morte.mips.elf
File opened for reading	/proc/14/cmdline	morte.mips.elf
File opened for reading	/proc/72/cmdline	morte.mips.elf
File opened for reading	/proc/231/comm	morte.mips.elf
File opened for reading	/proc/336/fd	morte.mips.elf
File opened for reading	/proc/716/fd	morte.mips.elf
File opened for reading	/proc/683/cmdline	morte.mips.elf
File opened for reading	/proc/2/comm	morte.mips.elf
File opened for reading	/proc/13/comm	morte.mips.elf
File opened for reading	/proc/432/comm	morte.mips.elf
File opened for reading	/proc/707/comm	morte.mips.elf
File opened for reading	/proc/79/fd	morte.mips.elf
File opened for reading	/proc/5/comm	morte.mips.elf
File opened for reading	/proc/74/comm	morte.mips.elf
File opened for reading	/proc/4/fd	morte.mips.elf
File opened for reading	/proc/74/fd	morte.mips.elf
File opened for reading	/proc/682/fd	morte.mips.elf
File opened for reading	/proc/6/cmdline	morte.mips.elf
File opened for reading	/proc/676/cmdline	morte.mips.elf
File opened for reading	/proc/24/comm	morte.mips.elf
File opened for reading	/proc/707/fd	morte.mips.elf
File opened for reading	/proc/147/cmdline	morte.mips.elf
File opened for reading	/proc/36/comm	morte.mips.elf

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

pid	Process
719	cp
714	morte.mips.elf
717	sh

/tmp/morte.mips.elf
/tmp/morte.mips.elf
1⤵
- Deletes itself
- Enumerates active TCP sockets
- Modifies init.d
- Modifies rc script
- Reads process memory
- Changes its process name
- Reads system network configuration
- Reads runtime system information
- System Network Configuration Discovery
PID:714
- /bin/sh
  sh -c "cp /tmp/morte.mips.elf /usr/bin/.sh"
  2⤵
  - System Network Configuration Discovery
  PID:717
- - /bin/cp
    cp /tmp/morte.mips.elf /usr/bin/.sh
    3⤵
    - Write file to user bin folder
    - System Network Configuration Discovery
    PID:719

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Boot or Logon Initialization Scripts

T1037

RC Scripts

T1037.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Boot or Logon Initialization Scripts

T1037

RC Scripts

T1037.004

Defense Evasion

Credential Access

OS Credential Dumping

T1003

Proc Filesystem

T1003.007

Discovery

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sysd

Path /etc/init.d/sysd
Size 25B
SHA256 ba1d50d125344f273c249426ccd744d5a12e560ace41cca4bc55bd2d4a718d8f
MD5 997cb34ff6e6cded70b841c0d16c0938
SHA1 cc85c16e2fb441d86aa668f376ca7fb4b181f1ab
SHA512 1e775ca8513f2841b6a8e369071b28c48489ab6462d06525f9b6b2bf97e9c043562bd7e0217307ed64a95217a76a94a08189616831c9d3127c6b91b7544570c8
MD5 SHA1 SHA512

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.sh

Path /usr/bin/.sh
Size 102KB
SHA256 9569c5e8e6f03085d7b0c1480d385627e992122ef6ccf7e360ce685e95cdab0b
MD5 acb28449eaa42eee3cbb7fd28cb254f7
SHA1 4d76edb2045cba49e40b543d9c6c87ef8f37ffa8
SHA512 06d4bf2fef3e38f12a8fd4f6c72edb7e7c808e11f18b5a822e7cbed4eb805d93e9482b793fe290199ee7bd2515f7fb4fdc73f1035c3d91ff987104bf1fb82f16
SSDEEP 1536:/76D9XdjHy9rCspdXnVy6f7ff9poWml5+lo8beJN8GVYQ8rlE:G1djuplVBfFpoWo+TdQaE
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads