MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a34bd4c266e3891796816854e78d62384dcf36a8f456476e69d0dacf109d1737. 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: 5


Intelligence 5 IOCs YARA 8 File information Comments

SHA256 hash: a34bd4c266e3891796816854e78d62384dcf36a8f456476e69d0dacf109d1737
SHA3-384 hash: 214567b1814561c79b91d03e540a2d34c8f53136eb9be258d84858aa71c5747211b6e76a42b221a74c801c8ce446ce74
SHA1 hash: 3d393d15044bd193851297bdc94c38f44a6e1fd2
MD5 hash: 1918fa86b99fda35462ec060e9c419bb
humanhash: uncle-bulldog-nebraska-alabama
File name:CPA accountant COVID_19 pandemic relief 20000.exe
Download: download sample
Signature NetWire
File size:598'074 bytes
First seen:2020-05-21 11:39:16 UTC
Last seen:2020-08-03 20:19:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 49091c5c46d1ed156931ed11f43d3afa (1 x NetWire, 1 x njrat, 1 x Arechclient2)
ssdeep 12288:AgIdCFdSZHZVaeSESmqf6G+SqnTrrEsYGre4YzHig:HYYSZ5VrS3xqTrPFr0R
Threatray 499 similar samples on MalwareBazaar
TLSH B3D4D0137E80803DD3725A3F09FA9620A5397C214BE48A4BB79CFA79DE72C805195F63
Reporter James_inthe_box
Tags:exe NetWire

Intelligence


File Origin
# of uploads :
4
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Behaviour
Behavior Graph:
n/a
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-21 07:20:00 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet persistence rat stealer
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NetWire RAT payload
Netwire
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:Malicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MAL_unspecified_Jan18_1
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:Suspicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_netwire_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_netwire_g1
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_retefe_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

Comments