MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a54db382066229c50cc8e6feab1bc532431ee7804e54efceeffd696422e64d4. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a54db382066229c50cc8e6feab1bc532431ee7804e54efceeffd696422e64d4
SHA3-384 hash: 7b7ace367f8dbbe483c69015592f2358873550ff38d92291c1983ec05901171a456d9f7ebc276726497fcdd00ff7bf13
SHA1 hash: 34fbce321e992e5bf88bd1a3c0502dc5679e71a7
MD5 hash: 173ecae1209e548d0df71d631494b30d
humanhash: sierra-sixteen-spaghetti-mississippi
File name:Payment Advice.doc.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:1'526'784 bytes
First seen:2022-05-11 01:04:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:/1IW4YMbH4013sd8WLp9Nq2YZYDJiftDX46es6:/1iJLnMrVXwVDTr6
Threatray 1'086 similar samples on MalwareBazaar
TLSH T15865296D77198905DC80C775EDB33B6327E2C7B578E5730AA3F63A29D26B3AC1502602
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 17964c66464c70e6 (1 x NetWire)
Reporter Anonymous
Tags:exe NetWire

Intelligence

File Origin
# of uploads :
1
# of downloads :
430
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.doc.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-11 01:05:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d3c59514-3e53-4f1d-ac20-9b336980802d

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/269574/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627b0b9abe0219041a905f08/reports/cae12d3e-5a0b-4174-929e-7f27e286abc2/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0b3e779-e106-4017-96da-8e2943ea8af2
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991569
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 624065 Sample: Payment Advice.doc.exe Startdate: 11/05/2022 Architecture: WINDOWS Score: 100 48 chongmei33.myddns.rocks 2->48 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 9 other signatures 2->60 8 Payment Advice.doc.exe 1 4 2->8         started        12 word.exe 1 2->12         started        14 word.exe 1 2->14         started        signatures3 process4 file5 42 C:\Users\user\AppData\Local\word.exe, PE32 8->42 dropped 44 C:\Users\user\...\word.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\...\Payment Advice.doc.exe.log, ASCII 8->46 dropped 62 Writes to foreign memory regions 8->62 64 Injects a PE file into a foreign processes 8->64 16 MSBuild.exe 8->16         started        19 MSBuild.exe 2 8->19         started        22 cmd.exe 1 8->22         started        24 MSBuild.exe 8->24         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 26 cmd.exe 1 12->26         started        28 cmd.exe 1 14->28         started        signatures6 process7 dnsIp8 52 Contains functionality to steal Chrome passwords or cookies 16->52 50 chongmei33.myddns.rocks 172.111.216.19, 49703 M247GB United States 19->50 30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        38 conhost.exe 28->38         started        40 timeout.exe 1 28->40         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a54db382066229c50cc8e6feab1bc532431ee7804e54efceeffd696422e64d4/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 01:05:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjknwobamyrjyugmrzx6vmn4kmsdd3tyatsu57ho77ljmqromtka._file
Verdict:
malicious
Similar samples:
1b83c370bc5d9ac1574e2225fc5fcd1a79e29eed0c43b1c97326627946984ff0
NetWire
4404699dcbab3651da1046a95dadefadda2b88751d933c94a2bf85023e382333
NetWire
47a1b7e633dbfe5227f021deb30d806d9546e17044bef8dd54fb2cc21096a471
NetWire
520f7cca2676f2ce7142e200ea8b52a4e441e59ab44778e513203c1f4429efe4
NetWire
7480d003f1a50d543001fcddfd85cb6964749187b2777bd6b1df58eb010f1c4b
NetWire
9c14d6ca77383fa5a3724feab17b217b900295abf77311a8c88f39ff7bb02f01
NetWire
+ 1'076 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet persistence rat stealer
Link:
https://tria.ge/reports/220511-bfhdhsehdr/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
chongmei33.myddns.rocks:49703
Unpacked files
SH256 hash:
1c3c625b760c88218ef22c89e4bfceb4341584ec1a254928398832fc870659a7
MD5 hash:
1ff7d02ca63a3d8bf83d1c4182de9129
SHA1 hash:
5b2f8e6e3a7a64c811910b3e3fb6c6b7c104f08c
Detections:
win_netwire_g1
Create hunting rule
win_netwire_auto
Create hunting rule
Link:
https://www.unpac.me/results/f452ba8c-33a1-49ca-aea0-f7b2e95dfcdb/
SH256 hash:
7d046929933204fc054ea8270274a4210ae8976ace9d74032b658e9e37f197ec
MD5 hash:
9f67467d50ba74747e15eb171b88427d
SHA1 hash:
2eb972605bdaf83fd6abf57c9fb48a59dac04dca
Link:
https://www.unpac.me/results/f452ba8c-33a1-49ca-aea0-f7b2e95dfcdb/
SH256 hash:
8a54db382066229c50cc8e6feab1bc532431ee7804e54efceeffd696422e64d4
MD5 hash:
173ecae1209e548d0df71d631494b30d
SHA1 hash:
34fbce321e992e5bf88bd1a3c0502dc5679e71a7
Link:
https://www.unpac.me/results/f452ba8c-33a1-49ca-aea0-f7b2e95dfcdb/
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/8a54db382066229c50cc8e6feab1bc532431ee7804e54efceeffd696422e64d4

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

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/269574/

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