MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 573873b7b2fbb390ff21bb4e986f69fa25a1f3eea2c5fe446d46c186ab92257d. 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: 3


Intelligence 3 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 573873b7b2fbb390ff21bb4e986f69fa25a1f3eea2c5fe446d46c186ab92257d
SHA3-384 hash: 8d908a7a0bc4ad489bd339d30dc35cc953706d9537a3400bdffa612653b0048bbc22edb1e091d8b016bc6f987a16c251
SHA1 hash: e79fc10dcf685be830578d09cb8ea2894b1d280d
MD5 hash: 457a4ba6896e15e132cc084cb6cd7a80
humanhash: september-freddie-fillet-august
File name:573873b7b2fbb390ff21bb4e986f69fa25a1f3eea2c5fe446d46c186ab92257d
Download: download sample
Signature NetWalker
Create hunting rule
File size:93'696 bytes
First seen:2020-06-01 14:30:05 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:nV3VlVmyR/yU2SO1h0ty2XGe0W7PbzetEdkG5z2WrXoUkwR:nhr4Y3Tsh0tyAGe0WDHfDz98s
Threatray 70 similar samples on MalwareBazaar
TLSH 2B931811C451C139E2D171FA97FA96FEAD354E1023B522C783D078BDFA22EE4A234B65
Reporter Anonymous
Tags:NetWalker


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Anonymous
Zero2Automated Course

Intelligence

File Origin
# of uploads :
1
# of downloads :
2'030
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Ransomware.Netwalker-7613711-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Nemty
Create hunting rule
Status:
Malicious
First seen:
2019-11-17 18:38:49 UTC
File Type:
PE (Exe)
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Verdict:
suspicious
Similar samples:
07b743dffd93be79b3ae4e8d5e0f05aec66af1115c4ec070df4cd35e800452d7
NetWalker
209779474d4b8e7246245092e7d094ce5730c5c1d36bc03d9b8120f211dc3ebe
NetWalker
5e03e3d93a456405952cdadee3018043789f118b871b93d113ce371c079f19dd
NetWalker
6f89cfef50cadb9e7e986ec913eb8c68bb14af5c576fe98dbe41060edf3cfe8a
NetWalker
75ef9e3e44ac11bb06f499b9f4f43a4cc331887529b81d0e62aef87178ca5e65
NetWalker
98cf38865117a3e333df1fb0a538b97f66fea568746fefb697e76ca8c686a3e3
NetWalker
b96ee4a55d59836de7851f99a18324c6aa8bc223fb581f1875db631d0c914425
NetWalker
bde6a59a4611aba5862ce66aef2fb12d841ad0ba0ad0a590b26eaddb7ad52a9e
NetWalker
e01691e3b7d9d1c6de7e0ef902bf609543cdf084e600fd0a3833deaa501464ee
NetWalker
e7dfaf7ac518e174e42e59d45c179d083ad53eead79ed4420e311441e1af79d4
NetWalker
+ 60 additional samples on MalwareBazaar
Result
Malware family:
netwalker
Create hunting rule
Score:
  10/10
Tags:
family:netwalker persistence ransomware spyware
Link:
https://tria.ge/reports/201109-zr5tgkqtnj/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
Detected Netwalker Ransomware
Netwalker Ransomware
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: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

File information

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

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