MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909
SHA3-384 hash: 56a80c1b7f8a75f78f2f49064a4a534261012e8436d0bee9b402a8d2b3390b50dfe7cc73e19ae96ff7c1dff213717fe5
SHA1 hash: 626f4d2877429d63586bc0ccfdf313911b6817c8
MD5 hash: d543a59ba12985acaf4134c3ff427b86
humanhash: wisconsin-pluto-network-twelve
File name:SecuriteInfo.com.Backdoor.Remcos.20284
Download: download sample
Signature NetWire
Create hunting rule
File size:887'296 bytes
First seen:2020-12-15 09:47:09 UTC
Last seen:2020-12-15 10:37:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:CFTW2xvuYI5n5LMjmMtKgEllwGyiMUUdXNX7XyPaaXBn7zF2lTnoO44vL/BjfPzU:KTW2xvuYI55LMjmMtKgEllwGyiMUUxNR
Threatray 46 similar samples on MalwareBazaar
TLSH 00154AAD3210B2EFC857C976D9981C64EAA07877830BD247A06715EDEE0D997DF240F2
Reporter SecuriteInfoCom
Tags:NetWire

Intelligence

File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New-Order December-15th.xlsx
Verdict:
Malicious activity
Analysis date:
2020-12-15 07:20:06 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader rat netwire
Link:
https://app.any.run/tasks/cb242a45-385b-40e9-b671-99f2cab0e97b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/108111/
Detection(s):
SecuriteInfo.com.Backdoor.Remcos.20284.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/563010
Signature
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330590 Sample: SecuriteInfo.com.Backdoor.R... Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM_3 2->38 40 4 other signatures 2->40 6 SecuriteInfo.com.Backdoor.Remcos.exe 3 2->6         started        10 SecuriteInfo.com.Backdoor.Remcos.exe 2 2->10         started        12 SecuriteInfo.com.Backdoor.Remcos.exe 2 2->12         started        process3 file4 28 SecuriteInfo.com.Backdoor.Remcos.exe.log, ASCII 6->28 dropped 42 Detected unpacking (changes PE section rights) 6->42 44 Detected unpacking (overwrites its own PE header) 6->44 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->46 14 SecuriteInfo.com.Backdoor.Remcos.exe 2 6->14         started        48 Injects a PE file into a foreign processes 10->48 18 SecuriteInfo.com.Backdoor.Remcos.exe 10->18         started        20 SecuriteInfo.com.Backdoor.Remcos.exe 10->20         started        22 SecuriteInfo.com.Backdoor.Remcos.exe 10->22         started        24 SecuriteInfo.com.Backdoor.Remcos.exe 10->24         started        26 SecuriteInfo.com.Backdoor.Remcos.exe 12->26         started        signatures5 process6 dnsIp7 30 rnnfibi.hopto.org 185.32.221.70, 48912, 49745, 49746 AS-SOFTPLUSCH Switzerland 14->30 32 192.168.2.1 unknown unknown 14->32 50 Creates an undocumented autostart registry key 14->50 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-12-15 08:04:51 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iv2yytctzuqln5myvhf2ogcrkbkd3au65yakvkg4kzoo7vm6teeq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
15f62d30d278ab652445fe389d4840af6b4be0d054aa24cf1debe958abaf4f49
NetWire
4255ae6b31d6068463b663c1871ac8cee3461b0d3fbf642f96cf9a3e8817803c
NetWire
4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa
NetWire
629333f4adba87b2412a8c8fa301a25042de764506ea1f369b38fa10c6112547
NetWire
6a223f3097e572a00aa6f1029bbbb6d71d66bb5bbf239177d232dca3c7f9bf33
NetWire
982d5516b54a9ca64fa7cf03833f79f4b963504652997cba751cee2b3ff96979
NetWire
9a8b855058e1d8a31a302dfa49caa68baec7940553466f303a65c5eb032fb4e3
NetWire
9e1de81ecb080a9d970953a62de72b6a83cc61776409098f1429c11032cbfa14
NetWire
a5e7773e86e1f8feacc75ced3053ac3d44af73d5b2ec72005c7ba2cd465f1ef3
NetWire
fa4ef9305ba071baf218b39bb5fd5f1438836f6e04fcb67b003a95ef1246ccfe
NetWire
+ 36 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet evasion persistence rat stealer
Link:
https://tria.ge/reports/201215-cwn2cnz46s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Modifies Installed Components in the registry
Looks for VirtualBox Guest Additions in registry
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909
MD5 hash:
d543a59ba12985acaf4134c3ff427b86
SHA1 hash:
626f4d2877429d63586bc0ccfdf313911b6817c8
Link:
https://www.unpac.me/results/6843398f-064c-4e72-96cd-ecf57cb6d781/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/6843398f-064c-4e72-96cd-ecf57cb6d781/
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/45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

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
Rule name:win_netwire_g1
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Web download

NetWire

Executable exe 45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/919875/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108111/

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