MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d
SHA3-384 hash: 006dc899ac383f765ec90d4f4ea83627b1094094d989d31046fb2a42b560637cc9abadf483b2777ea66f7eff5fcc15c1
SHA1 hash: a1507391f66aaec646dd14e7e3850d1b0df1c648
MD5 hash: 07b16abddf562a7daba7cee368867135
humanhash: snake-don-ohio-juliet
File name:07b16abddf562a7daba7cee368867135
Download: download sample
Signature Gafgyt
Create hunting rule
File size:79'344 bytes
First seen:2024-05-01 08:58:58 UTC
Last seen:2024-05-01 09:19:57 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:SgKag6IUufPWx8haCOyDYdEn2+p5VrSriBulyk0fQgeUniwxi:pKag6NOmDCdDYKn2+nVduln0xBnici
TLSH T15873129F884EE7ECD2C4DD3CD95EBA59600C6162BBDF75E63AEB0C63052099CA502352
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf gafgyt mips mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.8582.7314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Opens a port
Receives data from a server
Runs as daemon
Sends data to a server
Removes directories
Connection attempt
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug mirai
Link:
https://www.filescan.io/uploads/6632045dddaf2da1030674d8/reports/466f6ec6-0833-493d-81cf-a7579ae525df/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7adf25f9-c25b-4f36-b7c2-b11edc405f0f
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1434546
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1434546 Sample: 8m65rwvzmD.elf Startdate: 01/05/2024 Architecture: LINUX Score: 76 24 154.197.110.188, 38042, 5667 ASLINE-AS-APASLINELIMITEDHK Seychelles 2->24 26 whitepeopleonly.dyn 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Gafgyt 2->30 32 Sample is packed with UPX 2->32 8 8m65rwvzmD.elf 2->8         started        10 gvfsd-fuse fusermount 2->10         started        13 gnome-session-binary sh gsd-sharing 2->13         started        15 31 other processes 2->15 signatures3 process4 signatures5 17 8m65rwvzmD.elf 8->17         started        40 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->40 process6 process7 19 8m65rwvzmD.elf 17->19         started        22 8m65rwvzmD.elf 17->22         started        signatures8 34 Manipulation of devices in /dev 19->34 36 Deletes system log files 19->36 38 Sample tries to kill multiple processes (SIGKILL) 22->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-04-30 14:09:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=emye6lonqv4iuas42c7gchttbbydx2jz5yupqb6j5kjpp5srybgq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
evasion upx
Link:
https://tria.ge/reports/240501-kxqwnadf68/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Deletes Audit logs
Deletes journal logs
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d

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 (Nextron Systems)
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 23304f2dcd85788a025cd0be611e7308703be939ee28f807c9ea92f7f651c04d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2830161/
  
URLhaus
https://urlhaus.abuse.ch/url/2833611/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments


Avatar
zbet commented on 2024-05-01 08:58:59 UTC

url : hxxp://45.81.242.10/mpsl