451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57

Analysis

max time kernel
113s
max time network
163s
platform
debian-12_mipsel
resource
debian12-mipsel-20240221-en
resource tags

arch:mipselimage:debian12-mipsel-20240221-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
submitted
11-12-2024 02:30

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General

Target

451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf
Size

253KB
MD5

663ac1bdb34abacde4a22fc79864e968
SHA1

5772847c44e6d5d560c6a89595fd621ced0c9e1d
SHA256

451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57
SHA512

4cf9b5d8ff009018451cfecb98e6c28e217a9969cc1a29024da16d157af3658b777c3ac66ec162decb629d7b270d069122a981be1144261668541c9800738344
SSDEEP

3072:KQI6B2S63X5wy/gFTp6bD9faWpV25qyphC6SCemnrtZmIqwbZnM:K96B2S63pwyHyCIhC/sriHwRM

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (118995) 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

File and Directory Permissions Modification 1 TTPs 2 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
745	sh
760	chmod

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	451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf
File opened for modification	/dev/watchdog	451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	743	451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mv
File opened for reading	/proc/self/maps	451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/bin/busybox	sh

/tmp/451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf
/tmp/451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf
1⤵
- Modifies Watchdog functionality
- Changes its process name
- Reads runtime system information
PID:743
- /bin/sh
  sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:745
- - /usr/bin/rm
    rm -rf bin/busybox
    3⤵
    PID:747
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:750
- - /usr/bin/mv
    mv /tmp/451c5699be2feac88af56d5cbfbb5efc9561794ec93844d1a010d9e6bc815f57.elf bin/busybox
    3⤵
    - Reads runtime system information
    PID:754
- - /usr/bin/chmod
    chmod 777 bin/busybox
    3⤵
    - File and Directory Permissions Modification
    PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

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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