MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 881c736b0ef28f73fd09a7ed06dc6b4935f0a9e95bcd8ad05ed9bd022e3a4a7f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 881c736b0ef28f73fd09a7ed06dc6b4935f0a9e95bcd8ad05ed9bd022e3a4a7f
SHA3-384 hash: afcc894892978a7e278a3cf8c98d20cd56ba9e9f03a778fd32a185aee2c89f3309d7c46bb9a097e72a7b68fdd6a320ea
SHA1 hash: 34817df89d5000a56f922d301c0d75f158d92b30
MD5 hash: 91fe521f0cc23f1cc3be5a82ea35a705
humanhash: mirror-fish-floor-bluebird
File name:frost.mpsl
Download: download sample
Signature Mirai
File size:30'688 bytes
First seen:2025-12-22 08:03:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:d8flNaywiuFfd2AeGMXm4fRtVYyKvFzv3Eu/lEcdh8c0o+ofWxfcn3FawCRWGVCv:CfTduF12AlMh/OyK9zv3E4K2EfGajWj
TLSH T191D2D02FE6C47D47C83E4C76A42D16A62E87798103DF1E4D1742854ACCAD58FBCC61A2
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
File size (compressed) :30'688 bytes
File size (de-compressed) :88'852 bytes
Format:linux/mipsel
Unpacked file: a16cbc456dd7c85a21cb94fae315761f5e0022bbdace13fe52b799e9bf3a95a2

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet gafgyt masquerade mirai packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T05:27:00Z UTC
Last seen:
2025-12-22T12:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.x HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=f5277b28-1700-0000-bdee-6812460a0000 pid=2630 /usr/bin/sudo guuid=bbb64a2a-1700-0000-bdee-68124e0a0000 pid=2638 /tmp/sample.bin guuid=f5277b28-1700-0000-bdee-6812460a0000 pid=2630->guuid=bbb64a2a-1700-0000-bdee-68124e0a0000 pid=2638 execve guuid=db9e2a2b-1700-0000-bdee-6812530a0000 pid=2643 /usr/bin/dash guuid=bbb64a2a-1700-0000-bdee-68124e0a0000 pid=2638->guuid=db9e2a2b-1700-0000-bdee-6812530a0000 pid=2643 clone
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837518 Sample: frost.mpsl.elf Startdate: 22/12/2025 Architecture: LINUX Score: 96 18 securecameoutgay.ddns.net 2->18 20 197.191.9.237 zain-asGH Ghana 2->20 22 99 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 32 2 other signatures 2->32 8 frost.mpsl.elf 2->8         started        signatures3 30 Uses dynamic DNS services 18->30 process4 process5 10 frost.mpsl.elf 8->10         started        process6 12 frost.mpsl.elf 10->12         started        14 frost.mpsl.elf 10->14         started        16 frost.mpsl.elf 10->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-22 08:04:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (94194) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 881c736b0ef28f73fd09a7ed06dc6b4935f0a9e95bcd8ad05ed9bd022e3a4a7f

(this sample)

  
Delivery method
Distributed via web download

Comments