MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b56c148fa30ed9a70689592f126ccee72d0d557fc2f1837e29acbc23f4834ce2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Gafgyt


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: b56c148fa30ed9a70689592f126ccee72d0d557fc2f1837e29acbc23f4834ce2
SHA3-384 hash: 62cc902318191930729fa65a05b2a3e267c457dab39e52dc18572f86b631cf41f1606e1034d474d383acc79f8ab306b1
SHA1 hash: 40f0d0ef4439d2039c2fed6d664eacc184514420
MD5 hash: 20dbb67f7a6de97aa31579e4e71df063
humanhash: monkey-pennsylvania-shade-seventeen
File name:jackmymipsel
Download: download sample
Signature Gafgyt
File size:182'229 bytes
First seen:2025-02-07 23:11:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:UwjOVahZOm0ilooetJ8aBGeVJ0cURxRGqJkMipPn:Uwuamm0qooetJ8at3URxRGqJkMipPn
TLSH T18004535F66618F77E82EDD3B02DE0311208C969A12EC6B7BB7A4C51CE7CA54B06D7D80
telfhash t19f210643a9b646286ff36c3458fc06b11952a6237250bf70ff0ec1405d37016b475e8b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
bashlite gafgyt ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Removes directories
Removes directories from a temporary directory
Deletes a file
Connection attempt
Sends data to a server
Launching a process
Gains root access
Creating a file
Removes directories from a subdirectory of a temporary directory
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is potentially a Mirai botnet sample
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609838 Sample: jackmymipsel.elf Startdate: 08/02/2025 Architecture: LINUX Score: 88 34 165.154.224.116, 38474, 443 INTERHOPCA Canada 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Gafgyt 2->40 42 2 other signatures 2->42 11 jackmymipsel.elf 2->11         started        signatures3 process4 process5 13 jackmymipsel.elf 11->13         started        process6 15 jackmymipsel.elf 13->15         started        process7 17 jackmymipsel.elf 15->17         started        process8 19 jackmymipsel.elf sh 17->19         started        21 jackmymipsel.elf sh 17->21         started        23 jackmymipsel.elf sh 17->23         started        25 jackmymipsel.elf sh 17->25         started        process9 27 sh rm 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        signatures10 44 Sample deletes itself 27->44
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-02-07 23:10:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery privilege_escalation
Behaviour
System Network Configuration Discovery
Changes its process name
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Deletes log files
Deletes Audit logs
Deletes journal logs
Writes DNS configuration
Malware Config
C2 Extraction:
165.154.224.116:443
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6981154-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf b56c148fa30ed9a70689592f126ccee72d0d557fc2f1837e29acbc23f4834ce2

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments