MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9. 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

AsyncRAT

Vendor detections: 13

Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash:	77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9
SHA3-384 hash:	c9b0544ac605f81c34c6e533db176014d207f23952e338e1f75f393e308f41d6f1bbbc1012cda4cbb682a5ff66e57459
SHA1 hash:	e8cbdc703669e7887d31a78b5fb0673857b4378d
MD5 hash:	38986b39c57adb3d1b54f731f7abc2d9
humanhash:	alaska-fourteen-fifteen-quebec
File name:	letsvpn-latest.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	18'878'240 bytes
First seen:	2025-07-13 17:09:32 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	a93c206b6e2b4c8a29808eaf926b5b67 (1 x AsyncRAT)
ssdeep	393216:oH2bVjnnqNazoVWLnyConxo0crUGibbkIJ84yE:wYnqgz/yoN6bbkb4yE
TLSH	T16C173397FF20F823C507F8335D40346A6A364A3C06C1D178B9325789F58596E5BBCAB6
TrID	45.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.3% (.EXE) OS/2 Executable (generic) (2029/13) 18.0% (.EXE) Generic Win/DOS Executable (2002/3) 18.0% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	69ccd4d49696cc71 (13 x Adware.Adload, 8 x CoinMiner, 7 x ValleyRAT)
Reporter	aachum
Tags:	206-233-249-153 45-204-211-49 AsyncRAT CHN exe Ezhou-Taihaocheng-Technology-Co.-Ltd. signed XieBroRAT

Code Signing Certificate

Organisation:	Ezhou Taihaocheng Technology Co., Ltd.
Issuer:	Sectigo Public Code Signing CA EV R36
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-06-09T00:00:00Z
Valid to:	2026-06-09T23:59:59Z
Serial number:	b7ebc31df472a506a4234525bd51157c
MalwareBazaar Blocklist:	This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Cert Central Blocklist:	This certificate is on the Cert Central blocklist
Thumbprint Algorithm:	SHA256
Thumbprint:	d01fe6d38b1462cac30fafc63768cb45a1b99014a920c9ece117a787fbddb364
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

iamaachum

https://letspcxvpn.com/ => https://down.spawndown.com/letsvpn-latest.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

letsvpn-latest.exe

Verdict:

Suspicious activity

Analysis date:

2025-07-13 17:00:56 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/66f65532-395c-461f-8e9f-f499de1a6301

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

DCRat

Link:

https://www.capesandbox.com/analysis/14107/

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6873e891900df8e7f86a739c

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for analyzing tools

Searching for the window

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

microsoft_visual_cc obfuscated packed packed signed themidawinlicense

Link:

https://www.filescan.io/uploads/6873e88b12edf4d3152ae25d/reports/5da4fa95-2f30-492b-b57b-e045ea76b944/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1735336

Signature

Found direct / indirect Syscall (likely to bypass EDR)

Hides threads from debuggers

PE file contains section with special chars

Queries memory information (via WMI often done to detect virtual machines)

Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)

Query firmware table information (likely to detect VMs)

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Behaviour

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PE (Portable Executable) Win 64 Exe x64

Link:

https://app.malva.re/file/38986b39c57adb3d1b54f731f7abc2d9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9/

Verdict:

Malicious

Threat:

Win64.Malware.Heuristic

Link:

https://tip.neiki.dev/file/77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2025-07-13 17:00:57 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=o6dxue6sf655zzcspeptafmchi7jwg2iwpg6wigbdcaux7mqok4q._file

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:b botnet:default defense_evasion discovery execution persistence privilege_escalation rat spyware themida trojan

Link:

https://tria.ge/reports/250713-vpy76ssqw9/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Gathers network information

Modifies data under HKEY_USERS

Modifies system certificate store

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks whether UAC is enabled

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Checks installed software on the system

Drops file in Program Files directory

Drops file in Windows directory

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Command and Scripting Interpreter: PowerShell

Modifies Windows Firewall

Network Service Discovery

Checks BIOS information in registry

Themida packer

Drops file in Drivers directory

Async RAT payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

45.204.211.49:8880
206.233.249.153:555

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/add60f1e-3cb3-4dd5-acd9-f331261e225f

Unpacked files

SH256 hash:

77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9

MD5 hash:

38986b39c57adb3d1b54f731f7abc2d9

SHA1 hash:

e8cbdc703669e7887d31a78b5fb0673857b4378d

Link:

https://www.unpac.me/results/2e020f4f-f0f9-4ddf-8233-e507698df48f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/77877a13d22fbbdce452791f3015823a3e9b1b48b3cdeb20c118814bfd9072b9

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

Rule name:	HeavensGate Create hunting rule
Author:	kevoreilly
Description:	Heaven's Gate: Switch from 32-bit to 64-mode

Rule name:	INDICATOR_EXE_Packed_Themida Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with Themida

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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)