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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f
SHA3-384 hash: 76fe615b39a9784944a545e20ff4c5bfe012a48f9c1da8db2bacdce81a406ad8338de06d83db89edfa505abe9c2196bb
SHA1 hash: beb8c33d52341b1e4697629f7f273c985473ddef
MD5 hash: 0247ab03b61fd9b6b492a94e4ee9663a
humanhash: seventeen-steak-salami-skylark
File name:NetGui.dll
Download: download sample
Signature Arechclient2
Create hunting rule
File size:16'450'560 bytes
First seen:2026-04-16 22:39:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cb2d4cc8a2c08f2039790fdda757be98 (1 x Arechclient2)
ssdeep 393216:1A7NZ2nj1h2EVj1SfpmDNWaGtEssgf+kJ:0mnj1h2EVR0mlkJ
Threatray 27 similar samples on MalwareBazaar
TLSH T164F6D05292FD5D36C2B2F27ED14B489AD92FF10059AC8A1684B196DC8FA7B0334D7BC1
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter aachum
Tags:91-92-241-102 Arechclient2 dll dropped-by-LummaStealer SectopRAT


Avatar
iamaachum
https://enotsosun.pw/NetGui.dll

Intelligence

File Origin
# of uploads :
1
# of downloads :
153
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
16XBPQ29ZBG94TYNOA.dll
Verdict:
Malicious activity
Analysis date:
2026-04-16 20:48:29 UTC
Tags:
stealer arechclient2 backdoor rat
Link:
https://app.any.run/tasks/3cb39011-e845-410d-83e3-cfebb69a68b7

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/61904/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69e14d9245787c53e53a6c6c
Tags:
virus
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f
Verdict:
Clean
File Type:
dll x64
First seen:
2026-04-10T09:03:00Z UTC
Last seen:
2026-04-15T18:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f/results?tab=lookup
Malware family:
Rugmi Loader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7648b3d8-8f00-4ce3-b053-96120955dbcd
Result
Threat name:
Arechclient2, RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1899792
Signature
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: RunDLL32 Spawning Explorer
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Yara detected Arechclient2
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1899792 Sample: NetGui.dll.exe Startdate: 17/04/2026 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 9 other signatures 2->60 7 loaddll64.exe 1 2->7         started        9 explorer.exe 2->9         started        11 MetadataConvert.exe 2->11         started        13 2 other processes 2->13 process3 process4 15 rundll32.exe 26 7->15         started        19 rundll32.exe 7->19         started        21 rundll32.exe 7->21         started        26 16 other processes 7->26 23 MetadataConvert.exe 9->23         started        dnsIp5 40 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 15->40 dropped 42 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 15->42 dropped 44 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32+ 15->44 dropped 46 14 other files (13 malicious) 15->46 dropped 50 Injects code into the Windows Explorer (explorer.exe) 15->50 28 explorer.exe 15->28         started        30 WerFault.exe 20 16 19->30         started        32 WerFault.exe 16 21->32         started        48 91.92.241.102, 443, 49722, 49723 THEZONEBG Bulgaria 23->48 52 Tries to harvest and steal browser information (history, passwords, etc) 23->52 34 WerFault.exe 16 26->34         started        36 WerFault.exe 16 26->36         started        38 rundll32.exe 26->38         started        file6 signatures7 process8
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/0247ab03b61fd9b6b492a94e4ee9663a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f
Threat name:
Win64.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-04-10 13:26:04 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3g2xn23ie7zy4m7nua35ftneeyjqouitamsuvbij52ziascdhmxq._file
Verdict:
malicious
Label(s):
sectoprat
Create hunting rule
Similar samples:
3c676480d5303fe68ee88a630cb1d635613422f08d43b9b5fff8e46cc4a387a6
Arechclient2
5ef56887934c2d8bd200e0068ab2d3674335001dc527698b38deaac973191c5f
Arechclient2
error
Arechclient2
ffdee6daaa4afc1975a4ec0371161078a864c6c1f27186b93a673801cad99eba
Arechclient2
+ 17 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260416-2lwffact7l/
Unpacked files
SH256 hash:
d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f
MD5 hash:
0247ab03b61fd9b6b492a94e4ee9663a
SHA1 hash:
beb8c33d52341b1e4697629f7f273c985473ddef
Link:
https://www.unpac.me/results/0cc03f72-8c83-468c-b325-b44ff6074ba5/
SH256 hash:
4916a72868bebfb13d48b67fdbf062d3cf81942b8dbc8ca6ea51d9289d9ca760
MD5 hash:
1f0dfb85f5f4674f7206054e57622df5
SHA1 hash:
336ae3c25840829640a44ad29b44649b489b0a9d
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_Arechclient2
Create hunting rule
Link:
https://www.unpac.me/results/0cc03f72-8c83-468c-b325-b44ff6074ba5/
SH256 hash:
ddf02c4641ba74ece66f52f89e7a59dc90f431c404b5747fc46bcaed4f939a8e
MD5 hash:
a3c96c550907dd6f8f51692fa5aea600
SHA1 hash:
8b08b5817a6bfb5c00e7b4b79b07c9ac05c9dcd0
Link:
https://www.unpac.me/results/0cc03f72-8c83-468c-b325-b44ff6074ba5/
SH256 hash:
673383a11e52c46f71ab4a4593c911564575ce1b893ff02b8e03e22c242f1cdc
MD5 hash:
d27a42bdad94da2ea1665989afefc66e
SHA1 hash:
7a50407e3f0afc1f812e8395eef0b2ab39d5c821
Link:
https://www.unpac.me/results/0cc03f72-8c83-468c-b325-b44ff6074ba5/
Malware family:
SectopRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d9b576eb6827/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/d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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/

File information

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

Web download

Arechclient2

Executable exe d9b576eb6827f38e33eda037d2cda4261307511303254a8509eeb28048433b2f

(this sample)

  
Dropped by
LummaStealer
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/61904/

Comments