020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0

Analysis

max time kernel
149s
max time network
148s
platform
debian-9_mips
resource
debian9-mipsbe-20240729-en
resource tags

arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
13/12/2024, 09:32

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General

Target

.i
Size

83KB
MD5

5377e8f2ebdb280216c37a6195da9d6c
SHA1

b54c705193b7963a0d40699a91cdb34fedecbe88
SHA256

020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0
SHA512

65e5aec56ddde56f245a20f88553d2f76bd7dd8e1940e9d49637d51a868fe73003b8a95fffeb9481110579f6ee4790fc9af1668d435930d4c01b116490908eed
SSDEEP

1536:yYI0ARqw1qAEW67UIWi7M8gmfmJo0WgswnD6Efyq8PxlRkp2K3/J1V+uBNu:yYI0ARqw1qAEv7UIFM8oJorFquyjkRks

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
720	.i

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	.i
File opened for modification	/dev/misc/watchdog	.i

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	.i

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

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	.i

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	telnetd	720	.i

Reads system network configuration 1 TTPs 3 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	.i
File opened for reading	/proc/net/tcp6	.i
File opened for reading	/proc/net/route	.i

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/76/cmdline	.i
File opened for reading	/proc/71/cmdline	.i
File opened for reading	/proc/19/cmdline	.i
File opened for reading	/proc/12/cmdline	.i
File opened for reading	/proc/6/cmdline	.i
File opened for reading	/proc/679/cmdline	.i
File opened for reading	/proc/329/cmdline	.i
File opened for reading	/proc/109/cmdline	.i
File opened for reading	/proc/16/cmdline	.i
File opened for reading	/proc/710/fd	.i
File opened for reading	/proc/121/cmdline	.i
File opened for reading	/proc/676/fd	.i
File opened for reading	/proc/241/fd	.i
File opened for reading	/proc/179/fd	.i
File opened for reading	/proc/154/cmdline	.i
File opened for reading	/proc/7/cmdline	.i
File opened for reading	/proc/711/fd	.i
File opened for reading	/proc/678/cmdline	.i
File opened for reading	/proc/712/cmdline	.i
File opened for reading	/proc/696/fd	.i
File opened for reading	/proc/383/cmdline	.i
File opened for reading	/proc/325/fd	.i
File opened for reading	/proc/36/cmdline	.i
File opened for reading	/proc/18/cmdline	.i
File opened for reading	/proc/720/cmdline	.i
File opened for reading	/proc/714/cmdline	.i
File opened for reading	/proc/20/cmdline	.i
File opened for reading	/proc/10/cmdline	.i
File opened for reading	/proc/5/cmdline	.i
File opened for reading	/proc/1/fd	.i
File opened for reading	/proc/672/cmdline	.i
File opened for reading	/proc/154/fd	.i
File opened for reading	/proc/331/fd	.i
File opened for reading	/proc/329/fd	.i
File opened for reading	/proc/81/cmdline	.i
File opened for reading	/proc/23/cmdline	.i
File opened for reading	/proc/22/cmdline	.i
File opened for reading	/proc/14/cmdline	.i
File opened for reading	/proc/710/cmdline	.i
File opened for reading	/proc/360/cmdline	.i
File opened for reading	/proc/11/cmdline	.i
File opened for reading	/proc/388/fd	.i
File opened for reading	/proc/382/cmdline	.i
File opened for reading	/proc/331/cmdline	.i
File opened for reading	/proc/120/cmdline	.i
File opened for reading	/proc/78/cmdline	.i
File opened for reading	/proc/72/cmdline	.i
File opened for reading	/proc/711/cmdline	.i
File opened for reading	/proc/435/fd	.i
File opened for reading	/proc/13/cmdline	.i
File opened for reading	/proc/24/cmdline	.i
File opened for reading	/proc/15/cmdline	.i
File opened for reading	/proc/4/cmdline	.i
File opened for reading	/proc/360/fd	.i
File opened for reading	/proc/9/cmdline	.i
File opened for reading	/proc/179/cmdline	.i
File opened for reading	/proc/82/cmdline	.i
File opened for reading	/proc/73/cmdline	.i
File opened for reading	/proc/2/cmdline	.i
File opened for reading	/proc/716/cmdline	.i
File opened for reading	/proc/241/cmdline	.i
File opened for reading	/proc/69/cmdline	.i
File opened for reading	/proc/21/cmdline	.i
File opened for reading	/proc/435/cmdline	.i

System Network Configuration Discovery 1 TTPs 1 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
753	sh

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/fifo	.i

/tmp/.i
/tmp/.i
1⤵
- Deletes itself
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system routing table
- Changes its process name
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:718
- /bin/sh
  sh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"
  2⤵
  PID:725
- - /sbin/iptables
    iptables -A INPUT -p tcp --destination-port 23 -j DROP
    3⤵
    PID:726
- /bin/sh
  sh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"
  2⤵
  PID:735
- - /sbin/iptables
    iptables -A INPUT -p tcp --destination-port 7547 -j DROP
    3⤵
    PID:737
- /bin/sh
  sh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"
  2⤵
  PID:740
- - /sbin/iptables
    iptables -A INPUT -p tcp --destination-port 5555 -j DROP
    3⤵
    PID:742
- /bin/sh
  sh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"
  2⤵
  PID:744
- - /sbin/iptables
    iptables -A INPUT -p tcp --destination-port 5358 -j DROP
    3⤵
    PID:746
- /bin/sh
  sh -c "iptables -D INPUT -j CWMP_CR"
  2⤵
  PID:749
- - /sbin/iptables
    iptables -D INPUT -j CWMP_CR
    3⤵
    PID:751
- /bin/sh
  sh -c "iptables -X CWMP_CR"
  2⤵
  - System Network Configuration Discovery
  PID:753
- - /sbin/iptables
    iptables -X CWMP_CR
    3⤵
    PID:755
- /bin/sh
  sh -c "iptables -I INPUT -p udp --dport 9204 -j ACCEPT"
  2⤵
  PID:756
- - /sbin/iptables
    iptables -I INPUT -p udp --dport 9204 -j ACCEPT
    3⤵
    PID:757

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

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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