b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118

Analysis

max time kernel
48s
max time network
152s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
16-12-2024 02:36

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General

Target

b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
Size

153KB
MD5

558fc8df865663836770a42334dd88c0
SHA1

0276f7274984928e64fbe354bb0df966d1eacb86
SHA256

b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118
SHA512

561756714ec8c40ed714e350df57f3c494e0995cfb6e0ca9146d4b47651f66b20d2c11d0fd77f3f05b92ca4ec05f3ddfb532ac92287a316354d2ea432e3fea4e
SSDEEP

3072:v1FZKfuxvthklpZGORwNZmTA5grUr/dN7uXWlbFb1lhWfDgA:v0fuxvthkjcORwNZmTA5grUeoFb1lhWt

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (20157) 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/misc/watchdog	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for modification	/dev/watchdog	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.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	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.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	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf

Reads runtime system information 23 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/170/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/335/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/662/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/681/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/708/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/709/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/149/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/311/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/665/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/706/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/222/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/364/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/367/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/378/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/443/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/672/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/1/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/308/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/313/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/337/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/671/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/695/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
File opened for reading	/proc/696/fd	b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf

/tmp/b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
/tmp/b23789685e87bf3931a7cc2c8d33dcf4417332e5d5a5cd7778f97e063f8d9118.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:704

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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