MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45bac04c920b9426cb5033d6285b6d56b97a002a51b036632e0eff59ad880621. 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

SHA256 hash: 45bac04c920b9426cb5033d6285b6d56b97a002a51b036632e0eff59ad880621
SHA3-384 hash: 4038271fcf4bca0499b11ce24ca492885d63c35ca52bfef927a1064635185cbfacfd426d1037c5169560595ad32dff13
SHA1 hash: fb2a739edde8f54ea5f77f67d3dd554b16b6749d
MD5 hash: 5afc2b49d318ade76ec6757075c70144
humanhash: hamper-early-high-mars
File name:5afc2b49d318ade76ec6757075c70144
Download: download sample
Signature Gafgyt
File size:127'640 bytes
First seen:2024-06-24 07:51:24 UTC
Last seen:2024-06-24 08:13:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:GGtVrk3aACUkz2V/N25rOhUuPpwWzhMOZ5u13VMOPk69QSX/yVPFtFm89fByKms0:fGbPWmJ8viS4FtFm89fByKmZq+8O
TLSH T153C3C31ABB619FB7DC1BCD7306EA4602118DE44A12D86F2BB674C91CE74B88F09E3D54
telfhash t1a3111247f17f49691eb118248c784bf504196333a6527f70bf1ec3c4442e001ba26e0f
Reporter zbetcheckin
Tags:32 elf gafgyt mips

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Launching a process
Sends data to a server
Changes access rights for a written file
DNS request
Creating a file
Receives data from a server
Connection attempt
Runs as daemon
Changes the time when the file was created, accessed, or modified
Kills critical processes
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gafgyt gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461512 Sample: mG9Jf7jkqM.elf Startdate: 24/06/2024 Architecture: LINUX Score: 60 31 95.214.27.134, 443, 49428 CMCSUS Germany 2->31 33 conn.masjesu.zip 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Contains symbols with names commonly found in malware 2->37 9 mG9Jf7jkqM.elf 2->9         started        signatures3 process4 process5 11 mG9Jf7jkqM.elf 9->11         started        13 mG9Jf7jkqM.elf 9->13         started        process6 15 mG9Jf7jkqM.elf sh 11->15         started        17 mG9Jf7jkqM.elf sh 11->17         started        19 mG9Jf7jkqM.elf 13->19         started        21 mG9Jf7jkqM.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.xEhWlH, ASCII 23->29 dropped 39 Sample tries to persist itself using cron 23->39 41 Executes the "crontab" command typically for achieving persistence 23->41 signatures9
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-06-23 23:38:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf 45bac04c920b9426cb5033d6285b6d56b97a002a51b036632e0eff59ad880621

(this sample)

  
Delivery method
Distributed via web download

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 2024-06-24 07:51:24 UTC

url : hxxp://95.214.27.138/bins/e9MdyXbW6r55l4O3ZEKzRmB0U1ztlRklS6