MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a. 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

Arechclient2

Vendor detections: 14

Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash:	897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a
SHA3-384 hash:	7501b0a5f0b7eb9e68360941fbfd3a1eb8d99e05641cc9fa020ddafed7bfe90ccd933e3a5abf07ef26b02b360f5a8107
SHA1 hash:	c1e427cada1d7c0ffc7196d722ee6c0af82c2756
MD5 hash:	f18bb1edd3ae7b63144e96132ce9aefb
humanhash:	bakerloo-apart-georgia-alpha
File name:	file
Download:	download sample
Signature	Arechclient2 Create hunting rule
File size:	6'775'448 bytes
First seen:	2024-01-12 17:51:44 UTC
Last seen:	2024-01-13 05:58:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	98304:ukWTppXqlbXXSKXiDvrfuh8AN8HJyeZaDN6h:ukWVtYbnSKXSvbSupyYaDNE
Threatray	8 similar samples on MalwareBazaar
TLSH	T1E5667C07BA849E21C1996B37C5DB201453B5EAC23327D70F7ACA239516033EE5D8E6DB
TrID	44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.3% (.EXE) Win64 Executable (generic) (10523/12/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	f0f0f070f8c8c4d4 (1 x Arechclient2)
Reporter	jstrosch
Tags:	.NET Arechclient2 exe MSIL

jstrosch

Found at hxxp://185.172.128[.]113/hv.exe by #subcrawl

Intelligence

File Origin

# of uploads :

# of downloads :

342

Origin country :

Vendor Threat Intelligence

Detection:

Arechclient2

Link:

https://www.capesandbox.com/analysis/470581/

Detection(s):

SecuriteInfo.com.W32.MSIL_Kryptik.KIT.gen.Eldorado.19631.11726.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Creating a window

Creating a file in the %AppData% subdirectories

Creating a file

Sending a TCP request to an infection source

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd expand fingerprint hook installutil lolbin overlay packed regsvr32

Link:

https://www.filescan.io/uploads/65a17c4d59502c0e7b3405c9/reports/7629c1f0-751e-4e78-8acd-ba754604ee62/overview

Verdict:

Malicious

Labled as:

MSIL/Kryptik.AKOD trojan

Link:

https://www.hybrid-analysis.com/sample/897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a

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/fad65eee-b462-4a74-89e8-dffe52b07135

Result

Threat name:

RedLine, SectopRAT, zgRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1373959

Signature

Allocates memory in foreign processes

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

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Writes to foreign memory regions

Yara detected Generic Downloader

Yara detected RedLine Stealer

Yara detected SectopRAT

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a/

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rf5whxcwmi6fieqmsu2au7umiftynw6broyd3lrtacvs7vl6skfa._file

Verdict:

malicious

Arechclient2

9133b62cf224ab836d86d3aff622629e91730a557ade8fc281261a9f49e7b319

Arechclient2

9f03fa5d064cc8b7891502834a7737ce015d3a23a6eae3793481014f6cf73131

Arechclient2

d63d27212f6e489dc2982042e25752db578b49c6c92e376951e84cdcb52ef5cd

Arechclient2

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:sectoprat family:zgrat rat spyware trojan

Link:

https://tria.ge/reports/240112-wfqecacgen/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

.NET Reactor proctector

Drops startup file

Loads dropped DLL

Detect ZGRat V1

SectopRAT

SectopRAT payload

ZGRat

Unpacked files

SH256 hash:

d51f64cf200acd746714b29f4957225c8f49ec322b05f9dfe84453f2790dde49

MD5 hash:

3dc5a3be892edb35b5f136b337e12ede

SHA1 hash:

9a2dc913e94561ce98065d6a59bebb7311cab8d2

Detections:

SUSP_XORed_URL_In_EXE

MALWARE_Win_Arechclient2

Link:

https://www.unpac.me/results/383d5e97-2963-41e9-aa28-6602d2897e11/

Parent samples :
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SH256 hash:

897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a

MD5 hash:

f18bb1edd3ae7b63144e96132ce9aefb

SHA1 hash:

c1e427cada1d7c0ffc7196d722ee6c0af82c2756

Detections:

INDICATOR_EXE_Packed_DotNetReactor

INDICATOR_KB_CERT_21c9a6daff942f2db6a0614d

Link:

https://www.unpac.me/results/383d5e97-2963-41e9-aa28-6602d2897e11/

Malware family:

RevengeRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/897b63dc5662/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/897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a

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:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	INDICATOR_EXE_Packed_DotNetReactor Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with unregistered version of .NET Reactor

Rule name:	INDICATOR_KB_CERT_21c9a6daff942f2db6a0614d Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	MALWARE_Win_Arechclient2 Create hunting rule
Author:	ditekSHen
Description:	Detects Arechclient2 RAT

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

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_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	RSharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	identifiers for remote and gmremote

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

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834