MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd. 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: 16

Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash:	59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd
SHA3-384 hash:	1662f7137802ad15f4c7e36bd066057b5da8513403af4c1bab0e618c9451abcc878730c92a5d4b91a03901279e66c1c3
SHA1 hash:	8719858075b110ac235d2e357b65be0d1f017fe1
MD5 hash:	db25fd7f325f5ea6cd5c0ee5f8af8d22
humanhash:	september-papa-echo-one
File name:	db25fd7f325f5ea6cd5c0ee5f8af8d22.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	6'026'656 bytes
First seen:	2025-04-25 05:55:10 UTC
Last seen:	2025-04-29 10:50:21 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	0c6d9d416fc2bbaad624e187901fdd94 (3 x DCRat, 2 x AsyncRAT)
ssdeep	98304:wYXezmaYx/Zk3dufHPesJrrkDDuXsggQaC8gXjOXbcgJqE2VEL:wYOCZktufvLUDDKDVjOXXn2iL
Threatray	45 similar samples on MalwareBazaar
TLSH	T1A7560181F6E082DCD9516B705C681A04CA9FAC13DF525F1B22CCB58F2A227FB2DF4656
TrID	48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter	abuse_ch
Tags:	185-39-17-70 AsyncRAT booking ClickFix DCRat exe FakeCaptcha RAT signed Spam-ITA

Code Signing Certificate

Organisation:	Valve
Issuer:	Steam
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-07-12T21:29:11Z
Valid to:	2035-04-21T21:29:11Z
Serial number:	d2ed506b053d7734ca71e11e8c8335c2eff024d1
Thumbprint Algorithm:	SHA256
Thumbprint:	876a2c029ac9cbb390af2df39d73018155a1c3c95d3e6e366c53aa968ffba7cf
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

435

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

http://partener-secure.com/

Verdict:

Malicious activity

Analysis date:

2025-04-24 09:18:45 UTC

Tags:

phishing obfuscated-js loader rat asyncrat remote

Link:

https://app.any.run/tasks/96f3f66d-e38f-40f1-b93e-4aff427eb184

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/3993/

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.12093.645.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=680b24ae3d067f848399211c

Tags:

virus agent sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% subdirectories

Launching a process

Creating a process with a hidden window

Creating a file

Creating a file in the Windows subdirectories

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm entropy fingerprint microsoft_visual_cc packed packed packer_detected self-signed-cert signed

Link:

https://www.filescan.io/uploads/680b23ce218c4a98ade156c3/reports/efc01bdf-4fb1-4d22-b902-e585b32b05d0/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/43bf9480-0d4b-48da-8a0b-00ff746d8d19

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1673837

Signature

AI detected suspicious PE digital signature

Allocates memory in foreign processes

Antivirus detection for dropped file

Compiles code for process injection (via .Net compiler)

Creates an autostart registry key pointing to binary in C:\Windows

Found malware configuration

Injects a PE file into a foreign processes

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

Sample uses string decryption to hide its real strings

Sigma detected: Dot net compiler compiles file from suspicious location

Sigma detected: New RUN Key Pointing to Suspicious Folder

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Yara detected AsyncRAT

Yara detected Costura Assembly Loader

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

90%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd/

Threat name:

Win64.Backdoor.Asyncrat

Status:

Suspicious

First seen:

2025-04-24 05:34:22 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 36 (44.44%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=lhk562zs5y7rumbid7fgfpdp27hmul2wcrbesw5eua5hzpvse7gq._file

Verdict:

malicious

Label(s):

asyncrat

boratrat

AsyncRAT

3695e634b502f0df0f10f5445ce9aacadff5a52fcc07870b791d52bef0e4cc47

AsyncRAT

440c3df99e39d7adbbd231ab92b01c2e70e276703e8b5831822bba1facc7e1b9

AsyncRAT

7977ce0e5277b4e5e028bbded8d565c83e6e9331771b325cc1d6915e599b7aef

AsyncRAT

90e7483059241ae60a5049f88baf512da91d5b0c97b92fa3724d6693c1159e95

AsyncRAT

d539d8a4e3ca4d3b94d072bdf9638ef870f3a77967ea1c9bdf606b892bcb016d

AsyncRAT

dee3485407d08fdd07f00447ffa96d0ae48a7aa6c0e8fd5bd7e510adfc9a5e9f

AsyncRAT

+ 35 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery persistence rat

Link:

https://tria.ge/reports/250425-gmlmeazycz/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Executes dropped EXE

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

185.39.17.70:8848

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/126948f7-f655-4200-9408-abb9d250812e

Unpacked files

SH256 hash:

59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd

MD5 hash:

db25fd7f325f5ea6cd5c0ee5f8af8d22

SHA1 hash:

8719858075b110ac235d2e357b65be0d1f017fe1

Link:

https://www.unpac.me/results/25de97b0-6b42-4dee-8450-dbf2ab447ace/

SH256 hash:

4e5c1e11573fddf754616d17ef37f7888528f07a3bfc1081317666bcc484c818

MD5 hash:

947e709471f9f1e60746391dab328f94

SHA1 hash:

69adfae13e773dd66dd962c23529085c91b4ece3

Link:

https://www.unpac.me/results/25de97b0-6b42-4dee-8450-dbf2ab447ace/

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

Threat name:

DCRAT

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd

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:	dcrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_rkp Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects DCRat payloads

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:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

Rule name:	INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice Create hunting rule
Author:	ditekSHen
Description:	Detects executables attemping to enumerate video devices using WMI

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

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

Web download

AsyncRAT

exe 59d5df6b32ee3f1a30281fca62bc6fd7ceca2f561442495ba4a03a7cbeb227cd

(this sample)

Cape

https://www.capesandbox.com/analysis/3993/

URLhaus

https://urlhaus.abuse.ch/url/3524369/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

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