MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4. 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 4 File information Comments

SHA256 hash: f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4
SHA3-384 hash: 11f5598967b72f566f5304d2d0a85b2cd9f834c47dc8286d98cf789114f324ed73e18a0b42aad41109a37b3b02db530e
SHA1 hash: 981cf3e75f770741b2c8287fd080e0bdd31b17f2
MD5 hash: 2fbd7450e710106e40f973c15359d94a
humanhash: single-purple-nitrogen-nebraska
File name:UnHAnaAW.x86
Download: download sample
Signature Mirai
File size:74'512 bytes
First seen:2022-01-15 01:50:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zyJOnlDu2LkjVvUPYDaGiYPnvMqOyJTtWtSM0dsjB6CifGqhKlK9m8C9nndN:zyJOnlDu2LkjVvUPcSUnk1SZdsjflHl9
TLSH T16F734AC16693ECF8DD1506B82177FB339777F436211EE99BD3A5AA23F840A01D80B199
telfhash t14321e2f50bae0ca9b7d06801c21e6a30bd999b3b156036a305f33839726fd42246fd3d
Reporter @tolisec
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug CVE-2017-17215 gafgyt mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
95.181.161.119:80/bins
Number of open files:
0
Number of processes launched:
10
Processes remaning?
true
Remote TCP ports scanned:
80,37215,8080,2323,23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
95.181.161.119:1024
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 553499 Sample: UnHAnaAW.x86 Startdate: 15/01/2022 Architecture: LINUX Score: 76 32 212.8.62.189 ZSSM-ASUA Ukraine 2->32 34 161.172.49.137 WAL-MARTUS United States 2->34 36 98 other IPs or domains 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 2 other signatures 2->46 8 dash rm UnHAnaAW.x86 2->8         started        10 dash head 2->10         started        12 dash cut 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 UnHAnaAW.x86 8->16         started        18 UnHAnaAW.x86 8->18         started        21 UnHAnaAW.x86 8->21         started        signatures6 23 UnHAnaAW.x86 16->23         started        26 UnHAnaAW.x86 16->26         started        28 UnHAnaAW.x86 16->28         started        30 3 other processes 16->30 38 Sample tries to kill multiple processes (SIGKILL) 18->38 process7 signatures8 48 Sample tries to kill multiple processes (SIGKILL) 23->48
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2022-01-15 01:50:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:echobot family:mirai
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:elf_mirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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.

Comments