MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7. 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: 14

Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash:	f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7
SHA3-384 hash:	004d625db49dc85580d23d804d33f9e371eb6670637460d6909ac12573ba367bbe3884413acdcea43f572d6720fe7ea4
SHA1 hash:	f6895f82517eca726e4b4be46546acd5bdd3b96f
MD5 hash:	a189727939fc22996e532f704d2ec317
humanhash:	fix-nuts-william-maryland
File name:	bTAb.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2024-02-16 15:07:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'669 x AgentTesla, 19'482 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	768:gq+s3pUtDILNCCa+DiatGAgiFlYbyge1wOvEgK/JHZVc6KN:gq+AGtQOatGWeb1CZnkJHZVclN
TLSH	T102235C0037A8C13AE6BC4BB4A9F3924582B5D65B5D03C6997CC824EA1B13BC597036FE
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	pmelson
Tags:	AsyncRAT DCRat exe

Intelligence

File Origin

# of uploads :

# of downloads :

317

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/476496/

Detection(s):

Sanesecurity.Malware.29669.UNOFFICIAL

Win.Malware.Generickdz-9865912-0

Win.Malware.Enigmaprotector-9874743-0

Win.Malware.Enigmaprotector-9881027-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Creating a file in the %temp% directory

Running batch commands

Creating a file

Launching a process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat regedit

Link:

https://www.filescan.io/uploads/65cf7a59e304215defb29ae5/reports/d6c4d3f6-172c-4e4f-a29c-1085932490cb/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7

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.

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bafe5163-7317-40e0-b778-398011541ad6

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1393532

Signature

.NET source code references suspicious native API functions

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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-02-16 15:08:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 23 (86.96%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7e5b27lp5hk3qiijmp3qqikmpf4flwlwxlz2hhl3ir23c4fjcc3q._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat

Link:

https://tria.ge/reports/240216-shv6tscd81/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Malware Config

C2 Extraction:

contodapug.con-ip.com:2106

Unpacked files

SH256 hash:

f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7

MD5 hash:

a189727939fc22996e532f704d2ec317

SHA1 hash:

f6895f82517eca726e4b4be46546acd5bdd3b96f

Detections:

DCRat

INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

INDICATOR_SUSPICIOUS_EXE_DcRatBy

INDICATOR_SUSPICIOUS_EXE_B64_Artifacts

Link:

https://www.unpac.me/results/6e53d72d-900f-4401-befe-e4b474c46d1d/

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/f93a1d7d6fe9d5b8210963f708214c797855d976baf3a39d7b4475b170a910b7

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:	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:	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)