fca2f1359a75ca82549687dea0b8d20372291074d84e62f2caeccb43fe2ff6af

Analysis

max time kernel
49s
max time network
154s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
10-12-2024 18:32

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General

Target

Josho.arm.elf
Size

55KB
MD5

0497c42168d2c6f5499aa14c0640f17c
SHA1

85567cb5c2143b975c0bfa0096cd4523038b8bbc
SHA256

fca2f1359a75ca82549687dea0b8d20372291074d84e62f2caeccb43fe2ff6af
SHA512

ac183652a61030d2c56028a802c908c26dc30b3fa62f0d9016775c588805c0694fd239e61a8ab748efc3940b3b98c827462314a286f23be61417edfe26a29e5a
SSDEEP

768:N1c82KhvRRTdj7tsq5sebD07B8drbonjxDdSYGSq/EanRP89UapvTLwCVy/rCxH1:Nb24Th7ttujxynRP4U8ShW+15RL+Sr

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (152098) 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	Josho.arm.elf
File opened for modification	/dev/misc/watchdog	Josho.arm.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	Josho.arm.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	fd4benmd3oi22fh5dae	654	Josho.arm.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	Josho.arm.elf

Reads runtime system information 32 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/344/fd	Josho.arm.elf
File opened for reading	/proc/406/fd	Josho.arm.elf
File opened for reading	/proc/419/fd	Josho.arm.elf
File opened for reading	/proc/464/fd	Josho.arm.elf
File opened for reading	/proc/663/fd	Josho.arm.elf
File opened for reading	/proc/169/fd	Josho.arm.elf
File opened for reading	/proc/197/fd	Josho.arm.elf
File opened for reading	/proc/258/fd	Josho.arm.elf
File opened for reading	/proc/655/fd	Josho.arm.elf
File opened for reading	/proc/656/fd	Josho.arm.elf
File opened for reading	/proc/659/fd	Josho.arm.elf
File opened for reading	/proc/777{1,1T	Josho.arm.elf
File opened for reading	/proc/659/exe	Josho.arm.elf
File opened for reading	/proc/273/fd	Josho.arm.elf
File opened for reading	/proc/608/fd	Josho.arm.elf
File opened for reading	/proc/645/fd	Josho.arm.elf
File opened for reading	/proc/646/fd	Josho.arm.elf
File opened for reading	/proc/669/fd	Josho.arm.elf
File opened for reading	/proc/140/fd	Josho.arm.elf
File opened for reading	/proc/272/fd	Josho.arm.elf
File opened for reading	/proc/290/fd	Josho.arm.elf
File opened for reading	/proc/291/fd	Josho.arm.elf
File opened for reading	/proc/463/fd	Josho.arm.elf
File opened for reading	/proc/687/fd	Josho.arm.elf
File opened for reading	/proc/690/fd	Josho.arm.elf
File opened for reading	/proc/1/fd	Josho.arm.elf
File opened for reading	/proc/260/fd	Josho.arm.elf
File opened for reading	/proc/270/fd	Josho.arm.elf
File opened for reading	/proc/658/fd	Josho.arm.elf
File opened for reading	/proc/661/fd	Josho.arm.elf
File opened for reading	/proc/656/exe	Josho.arm.elf
File opened for reading	/proc/300/fd	Josho.arm.elf

/tmp/Josho.arm.elf
/tmp/Josho.arm.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:654

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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