MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a. 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 1

SHA256 hash:	7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a
SHA3-384 hash:	2ab50863fa9cb5c931ca56d49b0f2179bce8de1fc46cef210a575febd4268b7357b8e7465b25992de35d28d15ef09751
SHA1 hash:	1fc49c3faba00f007c831310dd8d1af6353a4294
MD5 hash:	1b2607506c374d6b73a0379bb78aaa69
humanhash:	mango-rugby-music-lion
File name:	1b2607506c374d6b73a0379bb78aaa69
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2024-07-18 09:33:52 UTC
Last seen:	2024-07-24 16:37:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'669 x AgentTesla, 19'482 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	768:Dg3d9ILWN6y+8iPRIU81l/4iU08YbEge5qvuvEgK/JbZVc6KN:034NJIT9zbL0nkJbZVclN
TLSH	T100236C4037E8C136E2BD4BB4A9F3A2418279D6676903CA596CC411EA2F13BC596036FE
TrID	40.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 32.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 7.3% (.SCR) Windows screen saver (13097/50/3) 5.8% (.EXE) Win64 Executable (generic) (10523/12/4) 3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	zbetcheckin
Tags:	32 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

372

Origin country :

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.29669.UNOFFICIAL

Win.Malware.Generickdz-9865912-0

Win.Malware.Enigmaprotector-9874743-0

Win.Malware.Enigmaprotector-9881027-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6698e18a936dc865ddc774c3

Tags:

Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Labled as:

Trojan.Agent

Link:

https://www.hybrid-analysis.com/sample/7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a

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/3186700e-9e94-4815-ba37-893cbc3560a7

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1475809

Signature

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-07-17 13:32:03 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=pr5fymn5t2ce5wwcimu7eonkvyzglbx5zreypog4366prxbazmfa._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/240718-ljq5yawckb/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Malware Config

C2 Extraction:

45.148.244.13:1604

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/1c5051ce-2fac-4c81-beba-8f4f60c8778d

Unpacked files

SH256 hash:

7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a

MD5 hash:

1b2607506c374d6b73a0379bb78aaa69

SHA1 hash:

1fc49c3faba00f007c831310dd8d1af6353a4294

Detections:

DCRat

AsyncRAT

Link:

https://www.unpac.me/results/fe3bf503-1f9a-4749-81ac-70e6f5b8dca7/

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a

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:	AcRat Create hunting rule
Author:	Nikos 'n0t' Totosis
Description:	AcRat Payload (based on AsyncRat)

Rule name:	dcrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	INDICATOR_SUSPICIOUS_EXE_B64_Artifacts Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DcRatBy Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing the string DcRatBy

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

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

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:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

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

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_DCRat_1aeea1ac 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 7c7a5c31bd9e844edac24329f239aaae326586fdcc4987b8dcdfbcf8dc20cb0a

(this sample)

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

Comments

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zbet commented on 2024-07-18 09:33:53 UTC

url : hxxp://45.148.244.13/windows.exe