MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dcf1134a50b6c5ffd72fed501638c2e6d1c820c5f949190182c9a6b6841b437. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dcf1134a50b6c5ffd72fed501638c2e6d1c820c5f949190182c9a6b6841b437
SHA3-384 hash: 2418879580dac7e2e8e55364550e5006a83431b5c89ee455ecd2b2c2ce17181a95aa6eedfd1ca85639e84f0cb0b2a39b
SHA1 hash: a647f029b6e3035a5a0184b9731627e83b758b65
MD5 hash: 3d1fedae3b958d20bbfaeb8fd3aa15d9
humanhash: edward-indigo-double-kansas
File name:ZMtnnQkt9UvAAAb.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:304'640 bytes
First seen:2020-05-04 09:32:22 UTC
Last seen:2020-05-04 10:48:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:seVz5osDIuxtSCWZUxrbAiqxHuKruz5wxEZ0q/zaW6iB:s85bEugislfruz5k00iB
Threatray 263 similar samples on MalwareBazaar
TLSH 7554E53A5DBE4637D439D2FA9FD18022F1E1C13672A1D7266CD69E92978AD0027C327C
Reporter JoulK
Tags:exe NetWire

Intelligence

File Origin
# of uploads :
3
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.42943.26853.13802.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-02 01:02:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxhrcnffbnwf77ls73kqcy4mfzwrzaqml6kjdeayfsngw2cbwq3q._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0b579b5234465e825338a97b93d6ffbb2733bd7b9a1a3f4c3ed5f7c410d76658
NetWire
150b2b068639c918e134e69b557f929dea81cf3a6d563aba39640227bdd029d3
NetWire
2ffdb2643512eaa27e65319a8905fccb924c39ff91b4c14787f7d5663edf413d
NetWire
3143a2e5e36fe24663503f10167be4919d67ee9095b38862df0d898ee233ec5e
NetWire
318feaa23aaf7ef64618bd49846973791db210e5714fd4440a8b186409207810
NetWire
5a38c1770a9728871ebf9a8a4b7b9e676fe5ace9c9b4a1a5d64f8ae86044fa97
NetWire
5d87517a56440374b259a78c6f271de278c89b03016fe307e5a85121b054f42d
NetWire
90e498309e071ad34970276737ed0010622b1d68a7c9c43a100f60c6174991b3
NetWire
987305f6f29e3081b7ba4bb1b424a12cf25509749a9936d321d93ed0168b5279
NetWire
c615feef9580a0c5da27cffe236ad0ad2b86c511a51e92b782f8a4f58b617085
NetWire
+ 253 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet rat rezer0 stealer
Link:
https://tria.ge/reports/201109-g5bn3v36ye/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
rezer0
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
Create hunting rule
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MAL_unspecified_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:Suspicious_BAT_Strings
Create hunting rule
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_netwire_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.

Web download

NetWire

Executable exe 4dcf1134a50b6c5ffd72fed501638c2e6d1c820c5f949190182c9a6b6841b437

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/356800/
  
Delivery method
Distributed via web download

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