MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459. 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: 8

Intelligence 8 IOCs YARA 14 File information Comments

SHA256 hash:	28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459
SHA3-384 hash:	40dcffb8298997efa48f87d45e0855d736417b4c42ec3c3a7d0f0cff4f1cfdfaff0939f38fa4af8c929ff98ccd5f6255
SHA1 hash:	5745a99860aa1eb6ab446a551355d2ce29873a27
MD5 hash:	584ee9470cc01487c8fe551f478fa242
humanhash:	coffee-fourteen-bacon-sweet
File name:	QPZVJXOZ.zip
Download:	download sample
Signature	ArechClient2 Create hunting rule
File size:	5'253'196 bytes
First seen:	2025-06-04 09:19:03 UTC
Last seen:	2025-06-04 09:38:41 UTC
File type:	zip
MIME type:	application/zip
ssdeep	98304:hc5CS7DB1hC0SKMOWjSwwybRrwo+5JwLaIBvp0Fe/SAztzlpcywJ5mp6dOpgCnLu:hc/x1hC2MOcNlbZwj5JOvp8exRPjwJ5z
TLSH	T18236330A8BE1F1CF81399314ABF48BB156EC4E2E63AB7E05430F75E385A56C4163D94E
Magika	zip
Reporter	JAMESWT_WT
Tags:	Arechclient2 clickcease-biz zip

Intelligence

File Origin

# of uploads :

# of downloads :

162

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684011338bd5d68a12e500b3

Tags:

injection obfusc

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 expired-cert fingerprint invalid-signature keylogger microsoft_visual_cc signed

Link:

https://www.filescan.io/uploads/68400fa0985349514e5ff66b/reports/97688c43-3b42-4082-b767-fefbb4cfc0b0/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459

Score:

17%

Verdict:

Benign

File Type:

Result

Malware family:

sectoprat

Score:

10/10

Tags:

family:hijackloader family:sectoprat defense_evasion discovery loader rat spyware stealer trojan

Link:

https://tria.ge/reports/250604-l5wmjsvyhz/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Reads user/profile data of web browsers

System Location Discovery: System Language Discovery

Checks installed software on the system

Drops file in Windows directory

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Detects HijackLoader (aka IDAT Loader)

HijackLoader

Hijackloader family

SectopRAT

SectopRAT payload

Sectoprat family

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/28bc7c531883e4e3a4c7784d149735ad48ab9f2b8c8b90d034b46bfdc19dc459

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:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	SUSP_Websites Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the reference of suspicious sites that might be used to download further malware

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)