MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4. 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 12 File information Comments

SHA256 hash:	e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4
SHA3-384 hash:	822316144f18ecba969a7eb33e4a66e04a51d571b33a0b1143a259433b2cad556817b41be5efb9e722bbf7cf5d6d245f
SHA1 hash:	b8643d991e3079b1db6a3322c68f7c3624c9e2a8
MD5 hash:	c9a2e54e8501a2f6dd57255225999b40
humanhash:	paris-single-ohio-pluto
File name:	c9a2e54e8501a2f6dd57255225999b40.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	1'348'608 bytes
First seen:	2023-09-11 07:30:16 UTC
Last seen:	2023-09-11 08:35:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	baa93d47220682c04d92f7797d9224ce (139 x RiseProStealer, 26 x Xtrat, 18 x CoinMiner)
ssdeep	24576:eCcJMTx/DszjipRnGKKfiqTJ7WGorsWTnkKRzjIKue1kJIBfFRVzv:UJAx/Dsz2NAi4wbpL3lfueW2FR
Threatray	25 similar samples on MalwareBazaar
TLSH	T1FD55338D9CE1D28CEA0D8DB7AA545C190E136304375A89FFACA4E1A4DB6FC135FC942D
TrID	52.9% (.EXE) Win32 Executable (generic) (4505/5/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1)
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

Intelligence

File Origin

# of uploads :

# of downloads :

310

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

c9a2e54e8501a2f6dd57255225999b40.exe

Verdict:

Malicious activity

Analysis date:

2023-09-11 07:32:16 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/340a9421-e1a8-448e-93fc-28b90eb24915

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/447842/

Detection(s):

SecuriteInfo.com.Variant.Zusy.483087.23188.11565.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Creating a file in the %AppData% subdirectories

Running batch commands

Creating a process with a hidden window

Launching a process

Creating a window

DNS request

Sending a custom TCP request

Setting a global event handler for the keyboard

Enabling autorun by creating a file

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed packed themidawinlicense

Link:

https://www.filescan.io/uploads/64fec237003a02a1c092ce24/reports/ff053847-6211-4335-b018-2ae3efe3d60a/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/a52633d8-7d8b-46dc-84e1-a0257002f053

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1307086

Signature

Antivirus / Scanner detection for submitted sample

Connects to a pastebin service (likely for C&C)

Hides threads from debuggers

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

PE file contains section with special chars

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

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

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4/

Threat name:

Win32.Trojan.Tnega

Status:

Malicious

First seen:

2023-09-11 07:29:15 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4k4asg7gjcinvs4fdlquw5tsht7shneajdwctr7lk5ko2lej2xca._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default evasion rat

Link:

https://tria.ge/reports/230911-jcdvxsee66/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of NtSetInformationThreadHideFromDebugger

Legitimate hosting services abused for malware hosting/C2

Checks BIOS information in registry

Checks computer location settings

Identifies Wine through registry keys

Async RAT payload

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

AsyncRat

Unpacked files

SH256 hash:

e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4

MD5 hash:

c9a2e54e8501a2f6dd57255225999b40

SHA1 hash:

b8643d991e3079b1db6a3322c68f7c3624c9e2a8

Link:

https://www.unpac.me/results/e4171343-90f0-4635-a1ee-dde22d9f1b85/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e2b8091be648/report/overview.html

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/e2b8091be64890dacb851ae14b76723cff23b48048ec29c7eb5754ed2c89d5c4

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:	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:	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)