MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372. 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: 13

Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash:	b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372
SHA3-384 hash:	33662a3e55953a53fa4802aaac0fd1ebae606f19c68971467ade904ba94fd1b140ec8951c813027245c9b2945af29b63
SHA1 hash:	090a0c6a993ee6fbe56059863ec872c41ae6095d
MD5 hash:	8deb02b15e78ebf05834e4c32771c665
humanhash:	black-sink-indigo-oklahoma
File name:	SecuriteInfo.com.W32.MSIL_Kryptik.JCM.gen.Eldorado.1892.17828
Download:	download sample
Signature	Arechclient2 Create hunting rule
File size:	5'603'840 bytes
First seen:	2023-12-09 10:19:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	98304:BXOfBvXyIcKA7yR1hcEFok44fN8uQo4/A:FOfBvKKfRcEFzZqr
Threatray	217 similar samples on MalwareBazaar
TLSH	T1FB46BE05BB79CBA7C25D563FD1D2980043F2E829E256DB0B23A8623C5EC33EF8D55652
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	bc9c988c8c8cd898 (1 x Arechclient2)
Reporter	SecuriteInfoCom
Tags:	Arechclient2 exe

Intelligence

File Origin

# of uploads :

# of downloads :

305

Origin country :

Vendor Threat Intelligence

Detection:

zgRAT

Link:

https://www.capesandbox.com/analysis/463953/

Detection(s):

SecuriteInfo.com.W32.MSIL_Kryptik.JCM.gen.Eldorado.1892.17828.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Creating a file

Forced shutdown of a system process

Sending a TCP request to an infection source

Stealing user critical data

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd lolbin packed packed regasm

Link:

https://www.filescan.io/uploads/65743f543f60a810348d07eb/reports/d69ed70e-ecbd-46ec-b05b-9df0a771a844/overview

Verdict:

Malicious

Labled as:

MSIL/Kryptik.AKDO trojan

Link:

https://www.hybrid-analysis.com/sample/b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372

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/3e4cafbf-f9d3-4a0c-9409-c835217f1bda

Result

Threat name:

RedLine, SectopRAT, zgRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1356860

Signature

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

Machine Learning detection for dropped file

Machine Learning detection for sample

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)

Yara detected AntiVM3

Yara detected RedLine Stealer

Yara detected SectopRAT

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372/

Threat name:

ByteCode-MSIL.Trojan.CrypterX

Status:

Malicious

First seen:

2023-12-09 10:20:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 23 (69.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xdibionaqbsrmgzzq2cvbrocwgt7uhypbi3pdzgzd7lefepb6nza._file

Verdict:

suspicious

Arechclient2

3e6fc1760a323c057791b3d684ceef9b65f9f0acc9fe218f72df84f99eccb341

Arechclient2

b20090678b857d6b8638ed5db42de49a8be60f8169e6affb12e1a40b1d295f87

Arechclient2

b8a0f9eb3dbf5e78c15777915fdb57b44748c1ece2d1c0e89cc2da8706ef7e16

Arechclient2

d875c707ceefaf84fb734255de554e060f464cdd75c878bc247eb13ef630cbb7

Arechclient2

dba6b7bc0b4e3d5fc344e1ddc9835bff1a1979b2f3206de5a57034317bfa6635

Arechclient2

+ 207 additional samples on MalwareBazaar

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:sectoprat family:zgrat discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/231209-mc4m5afhel/

Behaviour

Kills process with taskkill

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

Checks installed software on the system

.NET Reactor proctector

Drops startup file

Loads dropped DLL

Reads user/profile data of web browsers

Detect ZGRat V1

SectopRAT

SectopRAT payload

ZGRat

Unpacked files

SH256 hash:

3ef6b85ea5ec21e5edf64014b40051a5837294c4e29684a358804d0e2c90c2b3

MD5 hash:

ff60060d1bc257fb3c4e12836e74e6dc

SHA1 hash:

798532ae880ab7391ab18bc5a501940a6f593b65

Detections:

SUSP_XORed_URL_In_EXE

MALWARE_Win_Arechclient2

Link:

https://www.unpac.me/results/867b511f-5699-45a8-933d-ea33bcd148ed/

Parent samples :
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SH256 hash:

b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372

MD5 hash:

8deb02b15e78ebf05834e4c32771c665

SHA1 hash:

090a0c6a993ee6fbe56059863ec872c41ae6095d

Detections:

INDICATOR_EXE_Packed_DotNetReactor

MALWARE_Win_zgRAT

Link:

https://www.unpac.me/results/867b511f-5699-45a8-933d-ea33bcd148ed/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b8d01439a080/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/b8d01439a08065161b39868550c5c2b1a7fa1f0f0a36f1e4d91fd64291e1f372

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

Rule name:	MALWARE_Win_zgRAT Create hunting rule
Author:	ditekSHen
Description:	Detects zgRAT

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:	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_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