0125a3bd7d487f3d81e8f206ed39d4c4e7c263bbc95359a0df55f61202f1c8c4

Analysis

max time kernel
149s
max time network
152s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
03/02/2025, 10:23

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General

Target

mpsl.elf
Size

143KB
MD5

4871a4fa425ca13144383b20d3f11ca4
SHA1

7cc0e4b2f28b9e1f405f77ec2a4b596898ea5291
SHA256

0125a3bd7d487f3d81e8f206ed39d4c4e7c263bbc95359a0df55f61202f1c8c4
SHA512

09d96b04b00b759cd2d378be6563162f18b11b554aeb4d740e24ea9c40d534c3a5483b7ab3e36576ae4d2a82482610e10bfa11cfb6868499b2b6c6077d5f79ff
SSDEEP

1536:fG22PmByzRczRRdjsUYgywUAUlP16jqTMKtw3RvwktmWkbM+ESzLZ/ZvkLp9PKNB:ueBySvdjstGn/x+ESzLQpMcpOI8

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (49081) 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

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	mpsl.elf
File opened for modification	/dev/misc/watchdog	mpsl.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	mpsl.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	NTQstdPazMOWGZXdC	700	mpsl.elf

Reads system network configuration 1 TTPs 1 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	mpsl.elf

/tmp/mpsl.elf
/tmp/mpsl.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
PID:700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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