MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9. 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: 12


Intelligence 12 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9
SHA3-384 hash: 200d283f58c754449987e7c59464fdd6afd3288dfeff5a00d9b1ae1b037cdd68f91c582e3c8b3872a3b087ad6eaa8a29
SHA1 hash: 2cecdac50807f1809fe07a6ce3140bee134c5ef5
MD5 hash: 8b1dc4646a7eb80ec9f324493c4abc16
humanhash: music-paris-carbon-cardinal
File name:jackmyx86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:134'509 bytes
First seen:2025-02-07 23:26:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xU2n6Yo6Vgb8JmqPXiZfx3utJ8aNFm4hMePTCVvUktu0+n:LmcSDutJ8arMePTCVvUktu0+n
TLSH T19CD34A0F72D28AF5C05346B5AAEF71909C23F5BA0736A143B3517EB83F19898DE4D684
telfhash t1a821e643a9b686286ff36c2458fc07a11952a6237660ff70ef1ec1405d37016b875ecb
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 gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Gafgyt-6981165-0
Create hunting rule

Unix.Dropper.Mirai-7135946-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a69709d010e522d1b7e25dlinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Removes directories
Removes directories from a subdirectory of a temporary directory
Launching a process
Gains root access
Sends data to a server
Creating a file
Removes directories from a temporary directory
Connection attempt
Deletes a file
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 165.154.224.116:443
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4fe95084-393f-449a-ae34-79a6616f3cc0
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609860
Signature
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is potentially a Mirai botnet sample
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609860 Sample: jackmyx86.elf Startdate: 08/02/2025 Architecture: LINUX Score: 100 34 165.154.224.116, 443, 60214 INTERHOPCA Canada 2->34 36 109.202.202.202, 80 INIT7CH Switzerland 2->36 38 2 other IPs or domains 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 4 other signatures 2->46 11 jackmyx86.elf 2->11         started        signatures3 process4 process5 13 jackmyx86.elf 11->13         started        process6 15 jackmyx86.elf 13->15         started        process7 17 jackmyx86.elf 15->17         started        process8 19 jackmyx86.elf sh 17->19         started        21 jackmyx86.elf sh 17->21         started        23 jackmyx86.elf sh 17->23         started        25 jackmyx86.elf sh 17->25         started        process9 27 sh rm 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        signatures10 48 Sample deletes itself 27->48
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-02-07 23:10:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnsmtcw2zmy7ux3gk6fmafqmskmm3qk6vfbg4ub7l5lwmm2qvo4q._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion linux privilege_escalation
Link:
https://tria.ge/reports/250207-3ffcpstkcy/
Behaviour
Changes its process name
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Deletes log files
Deletes journal logs
Writes DNS configuration
Malware Config
C2 Extraction:
165.154.224.116:443
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_148b91a2 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363
Link:
https://app.threat.zone/submission/e7a46bdd-bc86-4bef-bc2c-915ef415845d
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/6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9

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:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 6b64c98adacb31fa5f66578ac0160c9298cdc15ea9426e503f5f57663350abb9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3423404/
  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments