MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5
SHA3-384 hash: 91d3633719f41229cd1221028b80ea7e4d07f2397b20ad1c70443b1f15f3872b8d551101b5dfffe50e419172b3b7fe2b
SHA1 hash: f0c7b1f0c3066073d36415f34307c2d299998538
MD5 hash: ce97257f4660b5d33c696293e6d15155
humanhash: mango-black-mockingbird-east
File name:x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:64'324 bytes
First seen:2025-10-28 16:35:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KX/DQAFuvxb+ChEAWGFmbaM6BjnCmK9d03yO:0Y5Hhle6dCnd03yO
TLSH T104530291C46DE275EEBA963F86E5C8F63AB9681FA4EC75870AE8A38C3431164047D109
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting a recently created file
Sends data to a server
Mounts file systems
Kills processes
Removes directories
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/6900f10df1fa8cbc03106914/reports/22ad9dee-68db-4dda-b604-b48306f4dc65/overview
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/67d6b570-ba0d-4c23-90b6-8cd6756b5b36
Behavior Graph:
Download SVG
%3 guuid=c93fd0a3-1700-0000-1451-1053f90c0000 pid=3321 /usr/bin/sudo guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322 /tmp/sample.bin delete-file guuid=c93fd0a3-1700-0000-1451-1053f90c0000 pid=3321->guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322 execve guuid=2f162fa6-1700-0000-1451-1053fb0c0000 pid=3323 /tmp/sample.bin guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322->guuid=2f162fa6-1700-0000-1451-1053fb0c0000 pid=3323 clone guuid=095cf9e1-1700-0000-1451-1053670d0000 pid=3431 /tmp/sample.bin zombie guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322->guuid=095cf9e1-1700-0000-1451-1053670d0000 pid=3431 clone guuid=240a09e2-1700-0000-1451-1053680d0000 pid=3432 /tmp/sample.bin zombie guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322->guuid=240a09e2-1700-0000-1451-1053680d0000 pid=3432 clone guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433 /tmp/sample.bin dns net send-data zombie guuid=bbbdb6a5-1700-0000-1451-1053fa0c0000 pid=3322->guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 99B 3adacf8c-663a-548c-9cf1-7c460a277796 176.65.134.16:5273 guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433->3adacf8c-663a-548c-9cf1-7c460a277796 send: 9B c58266e2-6eb5-57d1-bfd7-ee7e5fa23df6 176.65.134.16:25255 guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433->c58266e2-6eb5-57d1-bfd7-ee7e5fa23df6 send: 9B 7e09a515-e857-5f76-8dd6-2343fb179419 176.65.134.16:14257 guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433->7e09a515-e857-5f76-8dd6-2343fb179419 send: 11B guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436 /tmp/sample.bin net net-scan send-data guuid=d6a218e2-1700-0000-1451-1053690d0000 pid=3433->guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436 clone guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436|send-data send-data to 4097 IP addresses review logs to see them all guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436->guuid=fb2794e2-1700-0000-1451-10536c0d0000 pid=3436|send-data send
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f4427caf-086b-414a-815f-7d69c8aa8f52
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1803369
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1803369 Sample: x86.elf Startdate: 28/10/2025 Architecture: LINUX Score: 100 28 bots.kiro.forum 2->28 30 197.190.238.252, 37215 zain-asGH Ghana 2->30 32 99 other IPs or domains 2->32 36 Suricata IDS alerts for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 44 5 other signatures 2->44 8 x86.elf 2->8         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        15 dash 2->15         started        signatures3 42 Performs DNS TXT record lookups 28->42 process4 signatures5 46 Sample deletes itself 8->46 48 Sample reads /proc/mounts (often used for finding a writable filesystem) 8->48 17 x86.elf 8->17         started        20 x86.elf 8->20         started        22 x86.elf 8->22         started        24 x86.elf 8->24         started        process6 signatures7 34 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->34 26 x86.elf 20->26         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-28 16:37:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2g5wwx6dgd25usyezyu7wphurvotpdp6ed5sq6u44ed7yiwlwlsq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery linux upx
Link:
https://tria.ge/reports/251028-t4lpyshv7b/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Contacts a large (37375) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f3364a85-c1d4-4a63-84e4-3d3661b3a846
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/d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:UPXProtectorv10x2
Create hunting rule
Author:malware-lu
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 d1bb6b5fc330f5da4b04ce29fb3cf48d5d378dfe20fb287a9ce107fc22cbb2e5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3679911/
  
Delivery method
Distributed via web download

Comments