MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f87691cf870ae3279bcc7daa8b61c69f7e36e80a2a80f395dce00f983ef1b8a3. 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



Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: f87691cf870ae3279bcc7daa8b61c69f7e36e80a2a80f395dce00f983ef1b8a3
SHA3-384 hash: ee22a9ff46a66fa06c2ea9a16fc3610b2269d3577fd37d65711f31b1b08a6109a1a826ff57ccd8ec0f92cd90a6f7a7b4
SHA1 hash: d50d787b3049229c809120ca7677ccda7ce25d98
MD5 hash: 1958d722014e95b5f64ac328a4d96f4f
humanhash: network-diet-iowa-magazine
File name:debug
Download: download sample
Signature Mirai
File size:52'504 bytes
First seen:2025-11-11 23:18:18 UTC
Last seen:2025-11-13 05:53:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:W9IuTAnw47ENvewGEmJC37OsbM3spzax9nouy8Hy1:rqAnvkvewGe7NnaLouti
TLSH T1F733F19AC04FD708DE7A72B788DF1E870660DC3140D9A593E9C1F2661468BC97EA53F2
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 mirai UPX
File size (compressed) :52'504 bytes
File size (de-compressed) :127'824 bytes
Format:linux/i386
Unpacked file: 3af0d364a443b27f4fc1001f67978d4b9b4d09335a037be7013f0119b50cb8b1

Intelligence


File Origin
# of uploads :
3
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-11T21:35:00Z UTC
Last seen:
2025-11-12T00:36:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a03acdf1-1700-0000-8d03-3d7bc80b0000 pid=3016 /usr/bin/sudo guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023 /tmp/sample.bin net write-config write-file guuid=a03acdf1-1700-0000-8d03-3d7bc80b0000 pid=3016->guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f0cccf30-1800-0000-8d03-3d7b660c0000 pid=3174 /usr/bin/dash guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023->guuid=f0cccf30-1800-0000-8d03-3d7b660c0000 pid=3174 execve guuid=6f2d4b31-1800-0000-8d03-3d7b670c0000 pid=3175 /usr/bin/dash guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023->guuid=6f2d4b31-1800-0000-8d03-3d7b670c0000 pid=3175 execve guuid=c15e9331-1800-0000-8d03-3d7b680c0000 pid=3176 /tmp/sample.bin guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023->guuid=c15e9331-1800-0000-8d03-3d7b680c0000 pid=3176 clone guuid=5e1e9931-1800-0000-8d03-3d7b690c0000 pid=3177 /tmp/sample.bin guuid=019d7df3-1700-0000-8d03-3d7bcf0b0000 pid=3023->guuid=5e1e9931-1800-0000-8d03-3d7b690c0000 pid=3177 clone guuid=55179c31-1800-0000-8d03-3d7b6a0c0000 pid=3178 /tmp/sample.bin guuid=c15e9331-1800-0000-8d03-3d7b680c0000 pid=3176->guuid=55179c31-1800-0000-8d03-3d7b6a0c0000 pid=3178 clone guuid=1c53ea31-1800-0000-8d03-3d7b6b0c0000 pid=3179 /tmp/sample.bin guuid=5e1e9931-1800-0000-8d03-3d7b690c0000 pid=3177->guuid=1c53ea31-1800-0000-8d03-3d7b6b0c0000 pid=3179 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1812349 Sample: debug.elf Startdate: 12/11/2025 Architecture: LINUX Score: 92 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 2 other signatures 2->34 7 debug.elf 2->7         started        process3 file4 26 /usr/local/bin/infinitd, ELF 7->26 dropped 10 debug.elf sh 7->10         started        12 debug.elf sh 7->12         started        14 debug.elf 7->14         started        16 debug.elf 7->16         started        process5 process6 18 sh 10->18         started        20 sh 12->20         started        22 debug.elf 14->22         started        24 debug.elf 16->24         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-11-11 23:19:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf f87691cf870ae3279bcc7daa8b61c69f7e36e80a2a80f395dce00f983ef1b8a3

(this sample)

Comments