MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39b108c712c0b8b354c3a55c3f609ee629624f6a4b37c3730852549f67be155d. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 39b108c712c0b8b354c3a55c3f609ee629624f6a4b37c3730852549f67be155d
SHA3-384 hash: f5020ab1f6e01a1d7b1712875c7409e9cfe4945d6e5365639ad7dd051319a717dc42bebdf38741b9b1aa560347be3d72
SHA1 hash: fffd1150ab2b8769db39892111b1bd19d28336fe
MD5 hash: 199a246a752bce4261ad0d0fdaebe747
humanhash: north-floor-ohio-ack
File name:sumrak.i586
Download: download sample
Signature Mirai
File size:85'868 bytes
First seen:2025-12-20 16:57:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kQu7P3O2DRZ/j+J4J3iDsJ972efZQpMfozSAvBNbH:Vu7P3OA/6J4J3igJ9CefGreKNbH
TLSH T196836CC9FAC3E4B6F95201B211369B33C773D62B602ADA47C36E9D269C63501D61AB1C
telfhash t15c4136f63e6a18ecf3d0ac4cd31f2b83ab2aea77132135a544f1599136e3a919175c31
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0b265a89f89abed68d47200ed1f27f4f1d68af668103176085e362fa8979f1e9
File size (compressed) :39'200 bytes
File size (de-compressed) :85'868 bytes
Format:linux/i386
Packed file: 0b265a89f89abed68d47200ed1f27f4f1d68af668103176085e362fa8979f1e9

Intelligence


File Origin
# of uploads :
1
# of downloads :
247
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T15:14:00Z UTC
Last seen:
2025-12-21T02:57:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c20659cf-1800-0000-2072-d1710c060000 pid=1548 /usr/bin/sudo guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556 /tmp/sample.bin net guuid=c20659cf-1800-0000-2072-d1710c060000 pid=1548->guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=dd0da2d1-1800-0000-2072-d17116060000 pid=1558 /tmp/sample.bin guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556->guuid=dd0da2d1-1800-0000-2072-d17116060000 pid=1558 clone guuid=335da5d1-1800-0000-2072-d17117060000 pid=1559 /tmp/sample.bin guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556->guuid=335da5d1-1800-0000-2072-d17117060000 pid=1559 clone guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560 /tmp/sample.bin net send-data zombie guuid=1b2c6cd1-1800-0000-2072-d17114060000 pid=1556->guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560 clone guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 141.98.10.91:19000 guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560->6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 send: 290B guuid=6da1fdd1-1800-0000-2072-d1711a060000 pid=1562 /tmp/sample.bin guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560->guuid=6da1fdd1-1800-0000-2072-d1711a060000 pid=1562 clone guuid=d0b401d2-1800-0000-2072-d1711b060000 pid=1563 /tmp/sample.bin guuid=c674a8d1-1800-0000-2072-d17118060000 pid=1560->guuid=d0b401d2-1800-0000-2072-d1711b060000 pid=1563 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836776 Sample: sumrak.i586.elf Startdate: 20/12/2025 Architecture: LINUX Score: 56 24 141.98.10.91, 19000, 35672, 35674 HOSTBALTICLT Lithuania 2->24 26 34.243.160.129, 36180, 443 AMAZON-02US United States 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 sumrak.i586.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sumrak.i586.elf 8->14         started        16 sumrak.i586.elf 8->16         started        18 sumrak.i586.elf 8->18         started        process6 20 sumrak.i586.elf 14->20         started        22 sumrak.i586.elf 14->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-20 16:58:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unst defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
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

Mirai

elf 39b108c712c0b8b354c3a55c3f609ee629624f6a4b37c3730852549f67be155d

(this sample)

Comments