MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538
SHA3-384 hash: 4f0e4daf47083b2155137bbc178a739980ce4609ca070a35338600911c1294ee149d5d45690d2e038e05ab49ac685b27
SHA1 hash: 40d365bb7297a8940cb2213790ea37b019ad28a4
MD5 hash: d0e43afefc9b65e1ec9d46ea31b1b8c2
humanhash: moon-lake-kansas-single
File name:PO1153652300.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:819'200 bytes
First seen:2022-05-27 09:22:06 UTC
Last seen:2022-05-30 07:34:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'663 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 12288:n50m2w9bHoWievqVwABzFhP8bJdY7Fd8JjeMOnJ+r5CnlQFW8Ljd2Cy8ff:50P0bHoMANAbTyW5OJ+rMlQXLYCy8ff
Threatray 745 similar samples on MalwareBazaar
TLSH T19F05010032F85B12E8BAABF899B8959407B57D697531E28D4DD138CB3B75F608E40F1B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c066e276b4c470a4 (18 x AgentTesla, 10 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:exe NetWire

Intelligence

File Origin
# of uploads :
6
# of downloads :
398
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
netwire
Create hunting rule
ID:
1
File name:
PO1153652300.exe
Verdict:
Malicious activity
Analysis date:
2022-05-27 09:24:50 UTC
Tags:
trojan rat netwire
Link:
https://app.any.run/tasks/e7581dc5-c56a-44bc-bc81-5fb840b7051d

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/274916/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.18889.20415.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629098763223462f89e4f20b/reports/fba11042-d8e3-4440-82d9-8b43f7679649/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1a255d86-bff3-4a8c-b042-f22e9d13d9a0
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1002539
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635035 Sample: PO1153652300.exe Startdate: 27/05/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 8 other signatures 2->45 8 PO1153652300.exe 7 2->8         started        process3 file4 33 C:\Users\user\AppData\Roaming\yPgQIm.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\tmp4E4B.tmp, XML 8->35 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 8->47 49 Writes to foreign memory regions 8->49 51 Allocates memory in foreign processes 8->51 53 2 other signatures 8->53 12 MSBuild.exe 8->12         started        15 svchost.exe 8->15         started        17 MSBuild.exe 2 2 8->17         started        21 2 other processes 8->21 signatures5 process6 dnsIp7 55 Found evasive API chain (may stop execution after checking mutex) 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Changes security center settings (notifications, updates, antivirus, firewall) 15->59 37 podzeye.duckdns.org 154.53.40.254, 49760, 6688 COGENT-174US United States 17->37 31 C:\Users\user\AppData\Roaming\...\sqlite3.dll, PE32 17->31 dropped 23 MpCmdRun.exe 1 21->23         started        25 conhost.exe 21->25         started        27 conhost.exe 21->27         started        file8 signatures9 process10 process11 29 conhost.exe 23->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2022-05-27 09:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuka7tvsqa7o66q4qca4gqudcc5kudpkibhpq3s5fvfjnoap4u4a._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
09c5712ccf983f5013d3cd1157a15050b909b9f5f6318334e9f7da2174385015
NetWire
1e1598cc98aed52a46c1e28d2bf775232d01d6698eec3d3eadbc3a039167ed8b
NetWire
3a01de5d3ac9d4bc94221c451ab5fb25d154b032c7b7e8d20f5cbb380434beed
NetWire
869fa23919d381e4af0d8c04881d65ad842cb96020da5c1e16f65c48190d3eef
NetWire
afd47bb332ef06bf7c4f7c4a4470cf5b6e2acb6c4db3b3e6f453ff0dfc4a63f7
NetWire
f44a73e6b77e302b6b0f4c2a2f93860dd7d69a01219b2aa5d0a0fb3937ea5f70
NetWire
fa735b49ef95640d075e0fd7cc1c796a5d511a9daf87571b13243364a97daf18
NetWire
+ 735 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Link:
https://tria.ge/reports/220527-lcfqmaaae2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
3e38e9581da50692de412a9ce881c106913817f0611c6ab96276f86d62b8d84e
MD5 hash:
c18bfed7edc0ae7b9c4a5ce1444e7caf
SHA1 hash:
e87cc1cea79da67b18d505b1bac51f65d9076c8e
Link:
https://www.unpac.me/results/50842dcf-c960-4655-917e-161906abde6b/
SH256 hash:
1b5490caa686f1c1cd4a983270eeccfb55a9b45b6d3feedfc7a755d5a9cc6289
MD5 hash:
bb9216e889162b4b431e98a1d52ca83e
SHA1 hash:
c2ec019b46c1de6a341a6cdb859dbbf86cb8e502
Link:
https://www.unpac.me/results/50842dcf-c960-4655-917e-161906abde6b/
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
Link:
https://www.unpac.me/results/50842dcf-c960-4655-917e-161906abde6b/
SH256 hash:
a4c66a66c5b540b535305ab9daebf8cbbd5d54ec5cc306eca78f7031cf9d3e42
MD5 hash:
92b53497230d7eb03b0d184e26b93fc1
SHA1 hash:
3e4dc28768172632571de93008ca3fae3395ae31
Detections:
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/50842dcf-c960-4655-917e-161906abde6b/
Parent samples :
09c5712ccf983f5013d3cd1157a15050b909b9f5f6318334e9f7da2174385015
f88a9fa1a660c17e7b87f87f9f298af97112a44a99fd7803d2c20b4a2615abfe
a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538
SH256 hash:
a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538
MD5 hash:
d0e43afefc9b65e1ec9d46ea31b1b8c2
SHA1 hash:
40d365bb7297a8940cb2213790ea37b019ad28a4
Link:
https://www.unpac.me/results/50842dcf-c960-4655-917e-161906abde6b/
Malware family:
Netwire
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5140fceb280/report/overview.html
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/a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538

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

File information

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

Malspam

NetWire

7z 72b5c1eee8f0fcfef6817c8858f1661de269386ce804f0caa87b47bc081d7d27

NetWire

Executable exe a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538

(this sample)

  
Dropped by
netwire
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/274916/
  
Dropped by
SHA256 72b5c1eee8f0fcfef6817c8858f1661de269386ce804f0caa87b47bc081d7d27
  
Dropped by
MD5 da3cc2973d7e10732123bd8e248aebd9

Comments