MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809
SHA3-384 hash: 393924a467fc5c639f98768b98dc5e91a12c65a93f0b5a543965ad0531efea52bb41c194fc77b44df89fded028a9a3c6
SHA1 hash: 117a14835cb828792078ad6cfad26bea452f9ccb
MD5 hash: a436ce1c3efc46523deaf12e1c0a57d0
humanhash: seventeen-happy-butter-white
File name:Document.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:850'944 bytes
First seen:2021-04-14 03:41:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5460111dfb820e05d52b9be905fc0229 (2 x RemcosRAT, 1 x AveMariaRAT, 1 x NetWire)
ssdeep 12288:bQOsjN7IQRzxKvStQyXgSSxIg1vu/vh3XFFfor5KmNXB9ihKRmp:ErjqQRVeSOywSSx91vi5XDf6ApK8
Threatray 424 similar samples on MalwareBazaar
TLSH 36056C21B351D8B2D02E19788D0B46F858A9BE30F9345C4B76F4BD0C3EBE6607D5CA96
Reporter GovCERT_CH
Tags:NetWire

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document.exe
Verdict:
Malicious activity
Analysis date:
2021-04-14 03:47:48 UTC
Tags:
installer rat netwire trojan
Link:
https://app.any.run/tasks/35785fd4-9a5f-4dd9-b8a5-0d34eae379ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NetWire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/134020/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Mal.Generic-S.4110.10342.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/674909
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 386394 Sample: Document.exe Startdate: 14/04/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 6 Document.exe 1 19 2->6         started        11 Bmamnj.exe 16 2->11         started        13 Bmamnj.exe 16 2->13         started        process3 dnsIp4 25 uppz2a.am.files.1drv.com 6->25 27 onedrive.live.com 6->27 29 dm-files.fe.1drv.com 6->29 23 C:\Users\Public\Libraries\Bmamnj\Bmamnj.exe, PE32 6->23 dropped 55 Writes to foreign memory regions 6->55 57 Creates a thread in another existing process (thread injection) 6->57 59 Injects a PE file into a foreign processes 6->59 15 dialer.exe 2 6->15         started        31 uppz2a.am.files.1drv.com 11->31 35 2 other IPs or domains 11->35 61 Multi AV Scanner detection for dropped file 11->61 19 dialer.exe 11->19         started        33 uppz2a.am.files.1drv.com 13->33 37 2 other IPs or domains 13->37 21 secinit.exe 13->21         started        file5 signatures6 process7 dnsIp8 39 Legend.casacam.net 193.187.90.38, 49726, 49739, 49741 OBE-EUROPEObenetworkEuropeSE Sweden 15->39 41 Contains functionality to log keystrokes 15->41 43 Contains functionality to steal Internet Explorer form passwords 15->43 45 Contains functionality to steal Chrome passwords or cookies 15->45 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809/
Threat name:
Win32.Trojan.Delf
Create hunting rule
Status:
Malicious
First seen:
2021-04-13 12:37:08 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c36fbrovwvaz2krsiquuy7lko4eh5xferdwggfdlk45td4ksnaeq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
204b5f6085ac0a3082590aa0518074cb2e7fa9ebb6ccb4106cbf57588453104e
NetWire
242d38ebd19ccd5c3b65eb9aad87844fc17ca11075fab108dc00d26cc0d137ba
NetWire
2f3c9eec055b5c11f8bbd794fde194e68a7c27cad4112d131ae999b953759ac0
NetWire
3ffc5daa049116311ac1363623b7a8960b7aabb4b874d1126a358b8d483e33cd
NetWire
56a571913ec8c7c4e9c936ac2625f36478147528542a2e291d6ad2cc4a7aab58
NetWire
5759a1711d0f78b7be3f76aa9e451516f93d91370586f863dd5a68291c82ee3b
NetWire
5d3724894277765b2182d26064f7891d58b3f3614f6adaa281a7b673d2b7b071
NetWire
85c2475f5bb564338727b25d030019e2ec0f08a9892df26024e45339ef3c0792
NetWire
deabb312ade9d16c64ea491e5cf9477e1b98f2c5cda72ab2cb1b8b75af558d31
NetWire
f862eb253778c7b1c35349d798736124d7ee97db446217b2e5962fe2431d1e46
NetWire
+ 414 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet persistence stealer
Link:
https://tria.ge/reports/210414-pc9cs4fewn/
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Netwire
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
Link:
https://www.unpac.me/results/8e4a76e4-142a-4afc-bdbf-81181ece71b9/
SH256 hash:
16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809
MD5 hash:
a436ce1c3efc46523deaf12e1c0a57d0
SHA1 hash:
117a14835cb828792078ad6cfad26bea452f9ccb
Link:
https://www.unpac.me/results/8e4a76e4-142a-4afc-bdbf-81181ece71b9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:APT_ArtraDownloader2_Aug19_1
Create hunting rule
Author:Florian Roth
Description:Detects ArtraDownloader malware
Reference:https://unit42.paloaltonetworks.com/multiple-artradownloader-variants-used-by-bitter-to-target-pakistan/
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:MALWARE_Win_DLAgent07
Create hunting rule
Author:ditekSHen
Description:Detects delf downloader agent
Rule name:MALWARE_Win_NetWire
Create hunting rule
Author:ditekSHen
Description:Detects NetWire RAT
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.

ccbbbb32f8ce65dd361ef2a2270f98700d4e5931b808701cc16221b4cb81d33c

NetWire

Executable exe 16fc50c5d5b5419d2a3244294c7d6a77087edca488ec63146b573b31f1526809

(this sample)

  
Dropped by
MD5 03434b553a710ce058802942a49939b1
  
Dropped by
SHA256 ccbbbb32f8ce65dd361ef2a2270f98700d4e5931b808701cc16221b4cb81d33c
  
Dropped by
NetWire
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/134020/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-15 12:09:16 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
2) [B0012.001] Anti-Static Analysis::Argument Obfuscation
3) [F0002.002] Collection::Polling
5) [C0026.002] Data Micro-objective::XOR::Encode Data
7) [C0047] File System Micro-objective::Delete File
8) [C0049] File System Micro-objective::Get File Attributes
9) [C0051] File System Micro-objective::Read File
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0007] Memory Micro-objective::Allocate Memory
13) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
16) [C0038] Process Micro-objective::Create Thread
17) [C0041] Process Micro-objective::Set Thread Local Storage Value
18) [C0018] Process Micro-objective::Terminate Process