MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e
SHA3-384 hash: 60e96c4e6ff2a40f818584fe136161e8d318c5a6a4d3b2178430d56eb4d2f63ded1636154d230955c1fedec6d651340e
SHA1 hash: f8df40fa813baccd020ce211f1543fee516fa56c
MD5 hash: d5732377cb5a152166f94d2d42f55b5c
humanhash: rugby-quebec-pasta-cup
File name:Fourloko.x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:32'336 bytes
First seen:2022-01-13 13:50:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jf5ESuvhekOkIsKVLHI4RFGDQfx9+AB6nbcuyD7U0/2Y:jK0cKVLZiszB6nouy8jY
TLSH T17DE2E1FAFBB54709D22F603C3D076B2A5EB1CA1D9919C0E7AFE45C23B8136154A253D1
Reporter tolisec
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Linux.Mirai.1.22400.16477.UNOFFICIAL
Create hunting rule

Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/4079/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61e02e231883c5ba4ec7e39d/reports/b09cd438-ff33-4c26-8e47-831de3d39cdb/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
fourloko.xyz:80/Fourloko
Number of open files:
1
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
2323,60001,23
Full report:
https://elfdigest.com/brief/ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
104.244.72.234:64938
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9a9482a-4b96-4594-9d00-f1dfc92dfc44
Result
Threat name:
Gafgyt Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920114
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
Reads system files that contain records of logged in users
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
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 Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 552591 Sample: Fourloko.x86 Startdate: 13/01/2022 Architecture: LINUX Score: 100 85 194.60.74.103 ZPIZ-SI-ASSI Slovenia 2->85 87 143.223.61.47 WMA-BEVERLY-HILLSUS United States 2->87 89 99 other IPs or domains 2->89 95 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 5 other signatures 2->101 11 systemd gdm3 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd gpu-manager 2->15         started        17 76 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        32 3 other processes 11->32 23 gpu-manager sh 13->23         started        34 7 other processes 13->34 36 8 other processes 15->36 83 /var/log/wtmp, data 17->83 dropped 91 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->91 93 Reads system files that contain records of logged in users 17->93 25 Fourloko.x86 17->25         started        27 Fourloko.x86 17->27         started        30 accounts-daemon language-validate 17->30         started        38 23 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 sh grep 23->42         started        44 Fourloko.x86 25->44         started        51 3 other processes 25->51 105 Sample tries to kill multiple processes (SIGKILL) 27->105 47 language-validate language-options 30->47         started        53 7 other processes 34->53 55 8 other processes 36->55 49 language-validate language-options 38->49         started        57 16 other processes 38->57 process9 signatures10 59 gdm-wayland-session dbus-run-session 40->59         started        61 gdm-wayland-session dbus-daemon 40->61         started        107 Sample tries to kill multiple processes (SIGKILL) 44->107 64 language-options sh 47->64         started        66 language-options sh 49->66         started        process11 signatures12 68 dbus-run-session dbus-daemon 59->68         started        109 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->109 71 dbus-daemon 61->71         started        73 sh locale 64->73         started        75 sh grep 64->75         started        77 sh locale 66->77         started        79 sh grep 66->79         started        process13 signatures14 103 Sample reads /proc/mounts (often used for finding a writable filesystem) 68->103 81 dbus-daemon false 71->81         started        process15
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 13:50:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/220113-q5dh7aafb2/
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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/ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e

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
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
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

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

Web download

Gafgyt

elf ef54ddea14ac1d94c225f5873d19f8fcea27bdb14f5173018d544b4adb41026e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1973904/
  
Delivery method
Distributed via web download

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