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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6. 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


Arechclient2


Vendor detections: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6
SHA3-384 hash: ab291d1ecb6a38f26f6a4b127d79e483300ec7df8a56141542e499a1e842a975c17f300c0faf68519b5c2c1e0cd125aa
SHA1 hash: de10019b5cfb6a94a25f352c7cb0905ad2f79b81
MD5 hash: 4acc7c823795c6152716915de8ab0732
humanhash: table-glucose-diet-hotel
File name:a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6
Download: download sample
Signature Arechclient2
Create hunting rule
File size:259'072 bytes
First seen:2026-10-30 14:34:32 UTC
Last seen:2026-10-30 15:26:10 UTC
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 9cd192f31de0a4923c0af8a2da835b29 (1 x NetSupport, 1 x Arechclient2)
ssdeep 6144:yaIYyNzhShFOsKRg/HUNsZMaV2A8Ce6J5LIYl/Ph4x+62zh:y3YkzWFDKS/07y2A8MJ953zh
TLSH T17F447D01B280D575F6A201F76AFC4B7A552CBD701B0489CBE3841FB9E9315C2AB39E1B
TrID 22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.7% (.EXE) Win32 Executable (generic) (4504/4/1)
7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter plebourhis
Tags:Arechclient2 CastleLoader exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
231
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-30 14:41:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a2ff27ad-b0a9-49fd-81a4-865b01e1123a

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/96221/
Detection(s):
SecuriteInfo.com.BackDoor.Siggen2.6159.14643.7166.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae4ab29b175ade21dcead5b
Tags:
virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug evasive microsoft_visual_cc packed reconnaissance
Link:
https://www.filescan.io/uploads/6ae4ab25760b81cc0ad7f9df/reports/105385ec-e368-4f7f-ba54-b936384273dc/overview
Verdict:
Malicious
Labled as:
Draftor.Generic
Link:
https://www.hybrid-analysis.com/sample/a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6
Verdict:
Unknown
File Type:
exe x32
First seen:
2026-10-30T11:46:00Z UTC
Last seen:
2026-11-01T11:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a6656406-36f7-4ef8-8840-eea3e39072e8
Result
Threat name:
NetSupport RAT, Arechclient2, CASTLEBOT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1995413
Signature
Antivirus detection for URL or domain
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Arechclient2
Yara detected CASTLEBOT
Yara detected UAC Bypass using CMSTP
Yara detected UnHook AMSI
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1995413 Sample: DMNRzGuBAz.exe Startdate: 30/10/2026 Architecture: WINDOWS Score: 100 49 viigmeeftsgs.com 2->49 51 twitmerklend.com 2->51 53 5 other IPs or domains 2->53 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 8 other signatures 2->77 9 DMNRzGuBAz.exe 59 2->9         started        13 pythonw.exe 2->13         started        16 msedgewebview.exe 2->16         started        18 pythonw.exe 2->18         started        signatures3 process4 dnsIp5 59 thelkfklef.com 31.77.219.127 PTTECH-ASUS Germany 9->59 61 viigmeeftsgs.com 85.120.253.110 ALEXHOSTMD Netherlands 9->61 63 twitmerklend.com 87.120.244.24 ALEXHOSTMD Netherlands 9->63 39 C:\Users\user\AppData\...\remcmdstub.exe, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\...\pcicapi.dll, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...\msvcr100.dll, PE32 9->43 dropped 47 38 other files (4 malicious) 9->47 dropped 20 pythonw.exe 24 9->20         started        45 \pipe, data 13->45 dropped 87 Modifies the context of a thread in another process (thread injection) 13->87 24 powershell.exe 13->24         started        65 85.120.253.85 ALEXHOSTMD Netherlands 16->65 67 geo.netsupportsoftware.com 172.67.68.212 CLOUDFLARENET-CloudflareIncUS Canada 16->67 89 Multi AV Scanner detection for dropped file 16->89 file6 signatures7 process8 dnsIp9 55 31.77.168.93 PLUSNETPlusnetworkoperatorinPolandPL Germany 20->55 57 k8s-ingressn-bscmainn-92244380d0-811109128.us-east-1.elb.amazonaws.com 98.82.76.59 AMAZON-AES-AmazoncomIncUS United States 20->57 79 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->79 81 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 20->81 83 Contains functionality to infect the boot sector 20->83 85 9 other signatures 20->85 27 powershell.exe 38 20->27         started        29 chrome.exe 20->29         started        37 stdout, ASCII 24->37 dropped 31 conhost.exe 24->31         started        file10 signatures11 process12 signatures13 34 conhost.exe 27->34         started        91 Installs a global keyboard hook 31->91 process14 signatures15 69 Installs a global keyboard hook 34->69
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/4acc7c823795c6152716915de8ab0732
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 22:28:48 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=urm4zahyvweljzuljoqhhuve26zuziihfqjacvi2bgxiztmn3d3a._file
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:netsupport family:sectoprat discovery persistence privilege_escalation rat trojan
Link:
https://tria.ge/reports/261030-rx47lscy9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Checks computer location settings
Creates a file in the Startup directory
Executes dropped EXE
Loads dropped DLL
Detects SectopRAT aka Arechclient2
Family: NetSupport
Family: SectopRAT
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector evasion
YARA:
WMI_strings Powershell CreateScheduledTask
Link:
https://app.threat.zone/submission/b147111a-40ce-4943-82b1-564b3d7a7097
Unpacked files
SH256 hash:
a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6
MD5 hash:
4acc7c823795c6152716915de8ab0732
SHA1 hash:
de10019b5cfb6a94a25f352c7cb0905ad2f79b81
Link:
https://www.unpac.me/results/f0dc64ba-ebea-497c-b4c5-c10be39619bc/
Malware family:
NetSupport
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a459cc80f8ad/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/a459cc80f8ad88b4e68b4ba073d2a4d7b34ca1072c1201551a09ae8ccd8dd8f6

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:VIGIA_NetSupport_b21d0955
Create hunting rule
Author:VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector
Description:d6c4f96a-bbf0-4640-924b-9fef0ca70928 - NetSupport-associated executable
Reference:https://vigia.bisite.es/

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/96221/

Comments