MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a
SHA3-384 hash: cf8d86b0a9a8917552f9c5098875e88c17622549a11929fed4daf3990c062fdac153b13aa1b9b1d599f1e97b9c554ad6
SHA1 hash: 2404372d25c05b72d3675994d316a798174bdaad
MD5 hash: cb829fba560c238e741c1ec7d6a5653a
humanhash: kilo-maine-fillet-river
File name:xnxnxnxnxnxnxnxni686xnxn
Download: download sample
Signature Gafgyt
Create hunting rule
File size:49'100 bytes
First seen:2025-10-17 23:58:59 UTC
Last seen:2025-10-18 04:16:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:6hHQnKazu3a8AM9PJ2NUIZXt4vUCvsjiHIVfU76rRsLzGTzXDK7klGEnbcuyD7Uo:6hwXzsP9PwKIdt4vUC+fUGr+AzGwlhne
TLSH T16F23011BE0C57BD4FFB6D03AAACD1A5C2E74460DDC42D8B1BF0822975665B087E18E4E
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 :
3
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
no reply from clamd
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
DNS request
Locks files
Removes directories
Kills processes
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm packed upx
Link:
https://www.filescan.io/uploads/68f2d8973a79800405e965b6/reports/404c3d97-0f3c-480b-bdab-244d47fa2882/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-10-17T21:18:00Z UTC
Last seen:
2025-10-17T22:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/efbbdcba-4548-4b65-bc48-ad592b254dd3
Behavior Graph:
Download SVG
%3 guuid=e0d60fc1-1900-0000-cfaf-1b13220a0000 pid=2594 /usr/bin/sudo guuid=2316afc3-1900-0000-cfaf-1b132b0a0000 pid=2603 /tmp/sample.bin dns net send-data guuid=e0d60fc1-1900-0000-cfaf-1b13220a0000 pid=2594->guuid=2316afc3-1900-0000-cfaf-1b132b0a0000 pid=2603 execve 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=2316afc3-1900-0000-cfaf-1b132b0a0000 pid=2603->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 29B 15fce85c-d36d-56f1-8e69-7bb633810194 upjohn90.cc:54128 guuid=2316afc3-1900-0000-cfaf-1b132b0a0000 pid=2603->15fce85c-d36d-56f1-8e69-7bb633810194 con guuid=d73494c4-1900-0000-cfaf-1b132f0a0000 pid=2607 /tmp/sample.bin zombie guuid=2316afc3-1900-0000-cfaf-1b132b0a0000 pid=2603->guuid=d73494c4-1900-0000-cfaf-1b132f0a0000 pid=2607 clone guuid=906da2c4-1900-0000-cfaf-1b13300a0000 pid=2608 /tmp/sample.bin guuid=d73494c4-1900-0000-cfaf-1b132f0a0000 pid=2607->guuid=906da2c4-1900-0000-cfaf-1b13300a0000 pid=2608 clone guuid=b626b1c4-1900-0000-cfaf-1b13310a0000 pid=2609 /tmp/sample.bin guuid=d73494c4-1900-0000-cfaf-1b132f0a0000 pid=2607->guuid=b626b1c4-1900-0000-cfaf-1b13310a0000 pid=2609 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/25f0b5c1-167d-4c5f-88e0-09c43766d840
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1797498
Signature
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-10-17 23:53:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj6pwf5stabahppd3a5v2ghisgv4zc6xx6y6hevdqke7hntbh4fa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251017-318jzsvkgp/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Checks hardware identifiers (DMI)
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ae966e11-9a16-4bdd-a34a-679ee564de1e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Gafgyt

elf ca7cfb17b2980203bde3d83b5d18e891abcc8bd7bfb1e392a38289f3b6613f0a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3680226/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3680254/

Comments