MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a. 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: 15

Intelligence 15 IOCs YARA 19 File information Comments

SHA256 hash:	16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a
SHA3-384 hash:	7479faac89544504506e1e9ed8102e7b05db66e28a9d78d4552622d865ed8399d9e3e81ed8e945316a0c3d64d4bb4980
SHA1 hash:	3b85dcca62fba1c1b14e7eadd4e6c68bb28b4b3c
MD5 hash:	e338c60acac4226402bb0e9cf812cc62
humanhash:	may-saturn-alabama-three
File name:	emb_payload2dec.bin
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	5'681'152 bytes
First seen:	2025-03-06 12:11:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'816 x AgentTesla, 19'736 x Formbook, 12'282 x SnakeKeylogger)
ssdeep	49152:AzHdOSBsPqFlfZ3YR2DpHAaiyBxzIkKrxuxsVlNpyA8JtfKK7H1YK/WZuLcWb8XT:GJdIaiyB5Ikeux9fBH11wWifgWbFEw
TLSH	T1E6468D14AFA88F16C94E4376A0620755C7F0C65D53E3F707A692FAB42E633A65E021F3
TrID	38.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 29.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 8.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.4% (.EXE) Win64 Executable (generic) (10522/11/4) 5.2% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
Magika	pebin
Reporter	marsomx
Tags:	80-76-49-2 AsyncRAT exe OnimaiRAT

marsomx_

onimai RAT version 1.9.9
C2:
80.76.49[.2:4782;
80.76.49[.2:4783;
X.509: Onimai Academies CA

Intelligence

File Origin

# of uploads :

# of downloads :

567

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

emb_payload2dec.bin

Verdict:

Suspicious activity

Analysis date:

2025-03-06 12:14:34 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/91d1d451-863a-4c54-83c5-b36dbbc7f7b6

Note:

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

Detection(s):

Win.Packed.Downeks-6898097-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c9929cc668b65489bf72a3

Tags:

emotet keylog remo word

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Setting a keyboard event handler

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

agenttesla keylogger lolbin masquerade obfuscated obfuscated reconnaissance remote stealer

Link:

https://www.filescan.io/uploads/67c9911f3c5f644bd9461ef3/reports/ddbf67bf-22db-4245-8780-22c7f5fdc373/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b385bdf3-dda5-4d55-90fe-1fb4f78b8811

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1630937

Signature

.NET source code contains potential unpacker

.NET source code contains process injector

.NET source code references suspicious native API functions

Connects to many ports of the same IP (likely port scanning)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

80%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a/

Threat name:

ByteCode-MSIL.Trojan.Perseus

Status:

Malicious

First seen:

2025-03-06 12:12:13 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 38 (44.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=czaq362ydeue7debi6twnu4cdij7o7g5zdboblvc4fwn6ir5vkna._file

Verdict:

malicious

Label(s):

quasarrat

Similar samples:

error

AsyncRAT

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/250306-pc9kgsxzcv/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Downeks-6898097-0

YARA:

malware_asyncrat JPCERTCC_Asyncrat

Link:

https://app.threat.zone/submission/d1d40ece-6483-4aa5-aca9-45e44bb578dd

Unpacked files

SH256 hash:

16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a

MD5 hash:

e338c60acac4226402bb0e9cf812cc62

SHA1 hash:

3b85dcca62fba1c1b14e7eadd4e6c68bb28b4b3c

Detections:

win_asyncrat_w0

Link:

https://www.unpac.me/results/d97d1188-781d-4a04-b4da-c6317c8946c2/

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/16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a

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:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

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

Rule name:	MSIL_SUSP_OBFUSC_XorStringsNet Create hunting rule
Author:	dr4k0nia
Description:	Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:	https://github.com/dr4k0nia/yara-rules

Rule name:	msil_susp_obf_xorstringsnet Create hunting rule
Author:	dr4k0nia
Description:	Detects XorStringsNET string encryption, and other obfuscators derived from it

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

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RC6_Constants Create hunting rule
Author:	chort (@chort0)
Description:	Look for RC6 magic constants in binary
Reference:	https://twitter.com/mikko/status/417620511397400576

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

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

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

njrat

bat da3bab528f4f82ec90aac791a60962b6cca60d172939821874c78b0cf71d7d09

AsyncRAT

exe 14f51e3971fa900020980e9c9f40b330a86d5e70cda3e6b4d24400765d7a8b2f

AsyncRAT

exe 16410dfb5819284f8c8147a766d3821a13f77cddc8c2e0aea2e16cdf223daa9a

(this sample)

https://x.com/marsomx_/status/1897598109112308206

Dropped by

SHA256 14f51e3971fa900020980e9c9f40b330a86d5e70cda3e6b4d24400765d7a8b2f

Dropped by

MD5 2db2aad75740ba662390cf51b5558984

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_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample