MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2101344569bec4e017727f5441f0f10db51ea76fd9b12964461258d55b18259. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments

SHA256 hash: b2101344569bec4e017727f5441f0f10db51ea76fd9b12964461258d55b18259
SHA3-384 hash: 39a8e3ba2e715e56cc3e861894a98b22304014ebf5bc827a7fd857b327e00e00eeef8d7712c30a16ed7c6f251703c8a7
SHA1 hash: b82aec855c9d21035346663ea9b198224829596e
MD5 hash: aa0caa789a668e1c3f67379a720c06da
humanhash: nevada-timing-white-potato
File name:tftp
Download: download sample
Signature Gafgyt
File size:178'185 bytes
First seen:2025-05-16 18:59:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xdc+Qoe59mUDyjW8Qc7yijaAiBtJpGgHkOahwetJ8add9QzhsKTtjO7SdmyOQ0Ly:xdCcGca7taHOahwetJ8addQ7TtjOOdm4
TLSH T188043907E4504667C1D227B6B29B128D77235FB997CB331299247EB02FE1B8D1E3E990
telfhash t1a4b02bc0c33109508eb024212402071790034363e0292d01aab50000090801ff2c9e1f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file in the %temp% directory
Creates or modifies files in /cron to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
10
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Network.LightAidra
Status:
Malicious
First seen:
2025-05-16 19:00:47 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt botnet discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Detected Gafgyt variant
Gafgyt family
Gafgyt/Bashlite
Malware Config
C2 Extraction:
92.112.125.62:1111
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92 Linux_Trojan_Ladvix_c9888edb
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_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_6a510422
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Ladvix_c9888edb
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:meth_stackstrings
Author:Willi Ballenthin
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 b2101344569bec4e017727f5441f0f10db51ea76fd9b12964461258d55b18259

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments