MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9. 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


NetWalker


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9
SHA3-384 hash: 4e331555b7def9c33ad244b660f60ea4308e143a141aa19d303e7aa6ab7aef10d71bd164b129d7200e8b4d561c8f952f
SHA1 hash: 24d2abc132f1337f3bf2dd582efb00e5ac911161
MD5 hash: ab8d59aba3dc3c4be755255eca51d879
humanhash: connecticut-sad-idaho-edward
File name:46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9.bin
Download: download sample
Signature NetWalker
Create hunting rule
File size:70'656 bytes
First seen:2020-08-21 01:11:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e82dd51b077167be63c004bed23d0c1e (40 x NetWalker, 2 x GuLoader, 1 x ShikataGaNai)
ssdeep 1536:QuCWRxL7hbUiQfovePbUU+hhOZuIWiFp+ZfaBZebC33O+BlKHpc:rCWf7VJQfmePbvkhOZu1iFBBZebC3RlV
Threatray 43 similar samples on MalwareBazaar
TLSH 02636B83F682C2B0D98656F96BFFF37E08725D14977989C3CB521C41E9348E2593A31A
Reporter Dashowl
Tags:NetWalker

Intelligence

File Origin
# of uploads :
1
# of downloads :
2'036
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/49423/
Detection(s):
Win.Ransomware.Netwalker-7671868-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a system file
Sending a UDP request
Creating a process with a hidden window
Changing a file
Creating a file
Modifying an executable file
Moving a file to the Program Files subdirectory
Creating a file in the Program Files subdirectories
Moving a recently created file
Reading critical registry keys
Enabling the 'hidden' option for recently created files
Creating a window
Deleting volume shadow copies
Creating a file in the mass storage device
Encrypting user's files
Result
Threat name:
Netwalker
Create hunting rule
Detection:
malicious
Classification:
rans
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/442975
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Yara detected Netwalker ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9/
Threat name:
Win32.Ransomware.NetWalker
Create hunting rule
Status:
Malicious
First seen:
2020-07-15 18:56:31 UTC
AV detection:
42 of 48 (87.50%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
12717add64ecf32d7bcb6b2662becbff6b516cf8073f399dc5e4d3615d452e89
NetWalker
167bf2356e65b04407cd2d8299a9b315f213808b04c341f6aad5820fc46a3c49
NetWalker
29aef790399029029e0443455d72a8b928854a0706f2e211ae7a03bba0e3d4f4
NetWalker
4df67a9e8abab33856a586cea38b0d365fbbe0d91ee848f270c65f0125d2d677
NetWalker
84b8dbafd5cd64fb300b30bf943430a18f34cad3f0d8f7251d34354fea85aab2
NetWalker
8f06645838d3d75e44d4527e2928c71af0a7214254867379359eb3e46109cbde
NetWalker
a9a147313861a5a4e7abd76b3287ce5f6183966b89c5ca95c0e0cf587f40189d
NetWalker
b2d68a79a621c3f9e46f9df52ed19b8fec22c3cf5f4e3d8630a2bc68fd43d2ee
NetWalker
c21ecd18f0bbb28112240013ad42dad5c01d20927791239ada5b61e1c6f5f010
NetWalker
f298725e197f974b7a8407c5d79114a4ac322c573813d543141ccf1d9119dd8b
NetWalker
+ 33 additional samples on MalwareBazaar
Result
Malware family:
mailto_hamlampampom
Create hunting rule
Score:
  10/10
Tags:
ransomware persistence family:mailto_hamlampampom spyware
Link:
https://tria.ge/reports/200821-rv8hadas9n/
Behaviour
Interacts with shadow copies
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Modifies service
Deletes itself
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
MailTo (Hamlampampom Variant)
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptolocker
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9

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:netwalker_ransomware
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect Netwalker ransomware
Reference:https://www.ccn-cert.cni.es/comunicacion-eventos/comunicados-ccn-cert/9802-publicado-un-informe-de-codigo-danino-sobre-netwalker.html
Rule name:win_mailto_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/49423/

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