b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05

Analysis

max time kernel
151s
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
17-12-2024 04:25

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General

Target

b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf
Size

82KB
MD5

3522a0c3157353be36cedf472b491c49
SHA1

e3ead805256cd1697c04c12ff4bc4c838bc7d8e0
SHA256

b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05
SHA512

fb1cac830174b9003506545e1c85652b8c4cc570a8cc17d84cdef690cf9512cbba8bdfb9daab25ead32eb3296d1b2d6097b845467dab501d5069e4080502a877
SSDEEP

1536:iVLyu95KRJkj752dCexuV/8UZlDwfkJ4MYfWy:iVLyMgGFezxu5VD1eX

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (34288) 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
742	sh
756	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/systemd	741	b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf

Reads runtime system information 2 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

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/systemd	sh

/tmp/b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf
/tmp/b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf
1⤵
- Changes its process name
PID:741
- /bin/sh
  sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf bin/systemd; chmod 777 bin/systemd"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:742
- - /usr/bin/rm
    rm -rf bin/systemd
    3⤵
    PID:745
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:747
- - /usr/bin/mv
    mv /tmp/b9c2326f4b414646be35eb41f2606980c180a5ea78826ef7920bba190e98fb05.elf bin/systemd
    3⤵
    - Reads runtime system information
    PID:751
- - /usr/bin/chmod
    chmod 777 bin/systemd
    3⤵
    - File and Directory Permissions Modification
    PID:756

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

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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