3dcdf4d1c56414f2ed9ba98d81b7465f7241723d1f625764c4c9152aefb175c7

Analysis

max time kernel
129s
max time network
141s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
26-11-2024 01:31

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General

Target

iwir64.elf
Size

151KB
MD5

bf4f248a88dbd1a115c59d8b2a063e05
SHA1

83b61c1eed7f7cf3b11a02f3a4a5084a5da3bc2c
SHA256

3dcdf4d1c56414f2ed9ba98d81b7465f7241723d1f625764c4c9152aefb175c7
SHA512

8f36ca67e6086dd23756bd00d96a799baca11b94ee98e84cd356fdb78a33d9a5c13d0204434541716a4f3501243ddff5051b624dc23b713bd6f1429a9b67b937
SSDEEP

3072:kFKc89CrNRj2Zy33Au2ZhCFwLF2zq3tLeC8Nm0lKD42F13iIu:kFKb9CrNRj2Zy3/wvLh85C331u

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

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

Processes:

iwir64.elf

description ioc process

File opened for modification /dev/watchdog iwir64.elf
File opened for modification /dev/misc/watchdog iwir64.elf
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
discovery

System Network Connections Discovery
T1049

Processes:

iwir64.elf

description ioc process

File opened for reading /proc/net/tcp iwir64.elf
Enumerates running processes
Discovers information about currently running processes on the system
Changes its process name 1 IoCs

Processes:

iwir64.elf

description ioc pid process

Changes the process name, possibly in an attempt to hide itself ejgibi1ko3ak0d2dj 1519 iwir64.elf
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
discovery

Internet Connection Discovery
T1016.001

Processes:

iwir64.elf

description ioc process

File opened for reading /proc/net/tcp iwir64.elf

description	ioc	process
File opened for modification	/dev/watchdog	iwir64.elf
File opened for modification	/dev/misc/watchdog	iwir64.elf

description	ioc	process
File opened for reading	/proc/net/tcp	iwir64.elf

description	ioc	pid	process
Changes the process name, possibly in an attempt to hide itself	ejgibi1ko3ak0d2dj	1519	iwir64.elf

description	ioc	process
File opened for reading	/proc/net/tcp	iwir64.elf

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

iwir64.elf

description	ioc	process
File opened for reading	/proc/1337/fd	iwir64.elf
File opened for reading	/proc/1522/fd	iwir64.elf
File opened for reading	/proc/1131/fd	iwir64.elf
File opened for reading	/proc/1325/fd	iwir64.elf
File opened for reading	/proc/677/fd	iwir64.elf
File opened for reading	/proc/971/fd	iwir64.elf
File opened for reading	/proc/977/fd	iwir64.elf
File opened for reading	/proc/1031/fd	iwir64.elf
File opened for reading	/proc/1135/fd	iwir64.elf
File opened for reading	/proc/1170/fd	iwir64.elf
File opened for reading	/proc/534/fd	iwir64.elf
File opened for reading	/proc/566/fd	iwir64.elf
File opened for reading	/proc/1523/fd	iwir64.elf
File opened for reading	/proc/740/fd	iwir64.elf
File opened for reading	/proc/1084/fd	iwir64.elf
File opened for reading	/proc/1346/fd	iwir64.elf
File opened for reading	/proc/417/fd	iwir64.elf
File opened for reading	/proc/475/fd	iwir64.elf
File opened for reading	/proc/1143/fd	iwir64.elf
File opened for reading	/proc/1183/fd	iwir64.elf
File opened for reading	/proc/1520/exe	iwir64.elf
File opened for reading	/proc/505/fd	iwir64.elf
File opened for reading	/proc/438/fd	iwir64.elf
File opened for reading	/proc/471/fd	iwir64.elf
File opened for reading	/proc/543/fd	iwir64.elf
File opened for reading	/proc/1074/fd	iwir64.elf
File opened for reading	/proc/1393/fd	iwir64.elf
File opened for reading	/proc/1525/fd	iwir64.elf
File opened for reading	/proc/1/fd	iwir64.elf
File opened for reading	/proc/421/fd	iwir64.elf
File opened for reading	/proc/1139/fd	iwir64.elf
File opened for reading	/proc/1164/fd	iwir64.elf
File opened for reading	/proc/1182/fd	iwir64.elf
File opened for reading	/proc/1287/fd	iwir64.elf
File opened for reading	/proc/1512/fd	iwir64.elf
File opened for reading	/proc/558/fd	iwir64.elf
File opened for reading	/proc/611/fd	iwir64.elf
File opened for reading	/proc/968/fd	iwir64.elf
File opened for reading	/proc/1098/fd	iwir64.elf
File opened for reading	/proc/1151/fd	iwir64.elf
File opened for reading	/proc/1523/exe	iwir64.elf
File opened for reading	/proc/535/fd	iwir64.elf
File opened for reading	/proc/1078/fd	iwir64.elf
File opened for reading	/proc/1180/fd	iwir64.elf
File opened for reading	/proc/1184/fd	iwir64.elf
File opened for reading	/proc/1243/fd	iwir64.elf
File opened for reading	/proc/1316/fd	iwir64.elf
File opened for reading	/proc/474/fd	iwir64.elf
File opened for reading	/proc/670/fd	iwir64.elf
File opened for reading	/proc/1156/fd	iwir64.elf
File opened for reading	/proc/1200/fd	iwir64.elf
File opened for reading	/proc/1260/fd	iwir64.elf
File opened for reading	/proc/672/fd	iwir64.elf
File opened for reading	/proc/982/fd	iwir64.elf
File opened for reading	/proc/1081/fd	iwir64.elf
File opened for reading	/proc/1088/fd	iwir64.elf
File opened for reading	/proc/1210/fd	iwir64.elf
File opened for reading	/proc/1341/fd	iwir64.elf
File opened for reading	/proc/1365/fd	iwir64.elf
File opened for reading	/proc/429/fd	iwir64.elf
File opened for reading	/proc/1026/fd	iwir64.elf
File opened for reading	/proc/509/fd	iwir64.elf
File opened for reading	/proc/891/fd	iwir64.elf
File opened for reading	/proc/1045/fd	iwir64.elf

/tmp/iwir64.elf
/tmp/iwir64.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:1519

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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