MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98cf38865117a3e333df1fb0a538b97f66fea568746fefb697e76ca8c686a3e3. 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: 4


Intelligence 4 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98cf38865117a3e333df1fb0a538b97f66fea568746fefb697e76ca8c686a3e3
SHA3-384 hash: 07c90134f11005d1f38d3a2db2d7ab2460f385dee7bbb5e916139e94f4e775286049c6b9dd8d837fd5bb084a1ec76066
SHA1 hash: e06ae91d935d95db3cffaf168836b875cea541bf
MD5 hash: 339da8fcce98e2165a73e2f22e42b4ff
humanhash: violet-blue-blossom-purple
File name:98cf38865117a3e333df1fb0a538b97f66fea568746fefb697e76ca8c686a3e3
Download: download sample
Signature NetWalker
Create hunting rule
File size:96'256 bytes
First seen:2020-06-01 14:30:45 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 1536:1QVlCPQRhNs3POdM0ty2XGe0W7Pbk3sPkO5M/Y8fGprXoUP5aN:1Q3CPAC/YM0tyAGe0WDPx9p8G58
Threatray 27 similar samples on MalwareBazaar
TLSH 10931911C051C139E2D171FAD7FA96FDA9354E1023B522C383D078BDFA62EE4A534B6A
Reporter Anonymous
Tags:NetWalker


Avatar
Anonymous
Zero2Automated Course

Intelligence

File Origin
# of uploads :
1
# of downloads :
2'042
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Ransomware.Netwalker-7613711-0
Create hunting rule

Win.Ransomware.Netwalker-7613712-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Nemty
Create hunting rule
Status:
Malicious
First seen:
2019-12-13 05:35:00 UTC
File Type:
PE (Exe)
AV detection:
31 of 31 (100.00%)
Threat level:
  2/5
Verdict:
malicious
Similar samples:
07b743dffd93be79b3ae4e8d5e0f05aec66af1115c4ec070df4cd35e800452d7
NetWalker
209779474d4b8e7246245092e7d094ce5730c5c1d36bc03d9b8120f211dc3ebe
NetWalker
573873b7b2fbb390ff21bb4e986f69fa25a1f3eea2c5fe446d46c186ab92257d
NetWalker
5e03e3d93a456405952cdadee3018043789f118b871b93d113ce371c079f19dd
NetWalker
6f89cfef50cadb9e7e986ec913eb8c68bb14af5c576fe98dbe41060edf3cfe8a
NetWalker
75ef9e3e44ac11bb06f499b9f4f43a4cc331887529b81d0e62aef87178ca5e65
NetWalker
b96ee4a55d59836de7851f99a18324c6aa8bc223fb581f1875db631d0c914425
NetWalker
bde6a59a4611aba5862ce66aef2fb12d841ad0ba0ad0a590b26eaddb7ad52a9e
NetWalker
e01691e3b7d9d1c6de7e0ef902bf609543cdf084e600fd0a3833deaa501464ee
NetWalker
e7dfaf7ac518e174e42e59d45c179d083ad53eead79ed4420e311441e1af79d4
NetWalker
+ 17 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-jkax2ywr46/
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.

Comments