MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac6a4f2e5ae529d8c3d3f1dc51aab9660f7beb11f87334aeea047219073cacda. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments 1

SHA256 hash: ac6a4f2e5ae529d8c3d3f1dc51aab9660f7beb11f87334aeea047219073cacda
SHA3-384 hash: cca6eefd56d0bdec19bb65f7f7cafd58dde7748d9d8d106a5a68359d2c7a1656ba3e838d35676f0442ded4015216992e
SHA1 hash: 4a3d4a612affd4b18854b5c25c286bb526a1ede1
MD5 hash: 6cb696f9f04862dbd1444b6b833aeead
humanhash: utah-bluebird-november-six
File name:6cb696f9f04862dbd1444b6b833aeead
Download: download sample
Signature Gafgyt
File size:42'440 bytes
First seen:2022-06-18 08:35:54 UTC
Last seen:2022-06-18 09:45:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:OpcrDEnexKdQFySrHDyeoU4vK7g7vWnSwZGnBmknlMqidPJgGlzDpbuR1JKUJWcg:OCSexKqZrWTU4vqgK3YBgRdNVJubkZ
TLSH T1BF13F27E6D0918BFCA76D2F443C11F80395153D5B992ECC61C84FEA64E459E8393BE80
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

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
14
Number of processes launched:
18
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Firewall Changes
Botnet C2s
TCP botnet C2(s):
172.245.210.119:8812
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spre.evad
Score:
80 / 100
Signature
Deletes all firewall rules
Deletes security-related log files
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic
Tries to stop the "iptables" service
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648075 Sample: K0PJFaXAbz Startdate: 18/06/2022 Architecture: LINUX Score: 80 66 172.245.210.119, 39754, 8812 AS-COLOCROSSINGUS United States 2->66 68 41.164.157.161, 23, 39468 Neotel-ASZA South Africa 2->68 70 3 other IPs or domains 2->70 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Sample is packed with UPX 2->76 12 K0PJFaXAbz 2->12         started        signatures3 process4 signatures5 86 Opens /proc/net/* files useful for finding connected devices and routers 12->86 15 K0PJFaXAbz 12->15         started        process6 process7 17 K0PJFaXAbz 15->17         started        process8 19 K0PJFaXAbz sh 17->19         started        21 K0PJFaXAbz sh 17->21         started        23 K0PJFaXAbz sh 17->23         started        25 11 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        34 sh iptables 25->34         started        36 sh service systemctl 25->36         started        38 sh rm 25->38         started        40 7 other processes 25->40 signatures10 78 Tries to stop the "iptables" service 27->78 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        80 Sample deletes itself 30->80 82 Deletes security-related log files 32->82 84 Deletes all firewall rules 34->84 50 service 36->50         started        52 service basename 36->52         started        54 service basename 36->54         started        56 service systemctl 36->56         started        process11 process12 58 service systemctl 42->58         started        60 service sed 42->60         started        62 service systemctl 50->62         started        64 service sed 50->64         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2022-06-18 08:36:07 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Reads system routing table
Write file to user bin folder
Writes DNS configuration
Deletes system logs
Writes file to system bin folder
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:SUSP_ELF_LNX_UPX_Compressed_File
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 ac6a4f2e5ae529d8c3d3f1dc51aab9660f7beb11f87334aeea047219073cacda

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-18 08:36:00 UTC

url : hxxp://172.245.210.119/.fErB92/kur.mips