MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd8e9d2ed86b9508d6d75a2ecf8e18ecf0524787ff868ceac8ad005a9d97963. 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



NetWire


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash: 4fd8e9d2ed86b9508d6d75a2ecf8e18ecf0524787ff868ceac8ad005a9d97963
SHA3-384 hash: c2f79562e766b0d705bc225160c1724b8ac6c213d594d05acc0bc7748ec054042f8a8253d2f575b9ef192c33b1387d97
SHA1 hash: 83f20287e7513cbd6bf58be6065238342752f6c5
MD5 hash: 6e03ec466745f7804a0112d941cbb37d
humanhash: cup-four-quiet-network
File name:Mtbvpkmtwcfyvfjrjycytqbjdqrykeeson.exe
Download: download sample
Signature NetWire
File size:886'272 bytes
First seen:2021-08-05 17:41:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a27bedaa147286540d08fdf824189cfb (2 x NetWire, 1 x Formbook)
ssdeep 12288:EghRSVRxnU8yLl6hqTvkUFZOi3Df0nucVnue5:hQhnUFlSekm53
Threatray 453 similar samples on MalwareBazaar
TLSH T161152AA4F4A5C82DE19938B97A662DD1D8CC5C8C3D3EA74B0509367E26B735C0792E0F
dhash icon f8a5d39a443434c4 (2 x NetWire, 1 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
192.3.53.100:6655

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
192.3.53.100:6655 https://threatfox.abuse.ch/ioc/165843/

Intelligence


File Origin
# of uploads :
1
# of downloads :
590
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Mtbvpkmtwcfyvfjrjycytqbjdqrykeeson.exe
Verdict:
Malicious activity
Analysis date:
2021-08-05 17:43:08 UTC
Tags:
trojan rat netwire

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460012 Sample: Mtbvpkmtwcfyvfjrjycytqbjdqr... Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Yara detected NetWire RAT 2->51 53 2 other signatures 2->53 6 Mtbvpkmtwcfyvfjrjycytqbjdqrykeeson.exe 1 19 2->6         started        11 Mtbvpkm.exe 13 2->11         started        13 Mtbvpkm.exe 13 2->13         started        process3 dnsIp4 25 cdn.discordapp.com 162.159.134.233, 443, 49717, 49719 CLOUDFLARENETUS United States 6->25 23 C:\Users\Public\Libraries\...\Mtbvpkm.exe, PE32 6->23 dropped 55 Writes to foreign memory regions 6->55 57 Allocates memory in foreign processes 6->57 59 Creates a thread in another existing process (thread injection) 6->59 15 DpiScaling.exe 2 6->15         started        27 162.159.135.233, 443, 49732 CLOUDFLARENETUS United States 11->27 29 192.168.2.1 unknown unknown 11->29 61 Injects a PE file into a foreign processes 11->61 19 mshta.exe 11->19         started        21 secinit.exe 13->21         started        file5 signatures6 process7 dnsIp8 31 sinzu2.ddns.net 192.3.53.100, 49730, 49731, 49733 AS-COLOCROSSINGUS United States 15->31 33 sinzu3.ddns.net 15->33 35 sinzu1.ddns.net 15->35 41 Contains functionality to log keystrokes 15->41 43 Contains functionality to steal Internet Explorer form passwords 15->43 45 Contains functionality to steal Chrome passwords or cookies 15->45 37 sinzu1.ddns.net 19->37 39 sinzu1.ddns.net 21->39 signatures9
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2021-08-05 17:42:08 UTC
AV detection:
11 of 27 (40.74%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet persistence rat stealer
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Blocklisted process makes network request
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
sinzu1.ddns.net:6655
sinzu2.ddns.net:6655
sinzu3.ddns.net:6655
sinzu4.ddns.net:6655
sinzu5.ddns.net:6655
sinzu6.ddns.net:6655
sinzu7.ddns.net:6655
Unpacked files
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
SH256 hash:
4fd8e9d2ed86b9508d6d75a2ecf8e18ecf0524787ff868ceac8ad005a9d97963
MD5 hash:
6e03ec466745f7804a0112d941cbb37d
SHA1 hash:
83f20287e7513cbd6bf58be6065238342752f6c5
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:MALWARE_Win_NetWire
Author:ditekSHen
Description:Detects NetWire RAT
Rule name:win_netwire_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.netwire.

File information


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

Comments