MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e. 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 17 File information Comments

SHA256 hash:	f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e
SHA3-384 hash:	c6fa7f8bffe87083779205d21458a1c37aad66c36a9804606479e0a00dd8e3609c3f66c4b45fdc9e524fd6fe2269426b
SHA1 hash:	a896ce7dd73488f81fff869069accdf2c596a0ea
MD5 hash:	a90ba9920bcd2db0f889ab97454bc7ee
humanhash:	black-potato-helium-lake
File name:	RecruitingColumbus.exe
Download:	download sample
Signature	Arechclient2 Create hunting rule
File size:	1'854'427 bytes
First seen:	2025-07-31 11:04:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	32f3282581436269b3a75b6675fe3e08 (197 x LummaStealer, 122 x Rhadamanthys, 8 x CoinMiner)
ssdeep	49152:P6XOWYoeGVEno3BP7doiQA3V2SBnqd13BzbYOX63hW:PyzeGVEn8BPRJ3VFqdPzd0W
TLSH	T13785331A6BE848AAD0793F392D74B412EDF3F965AD18C76F76C8790E7430A038709719
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	f8c8866e269ecce8 (1 x Arechclient2)
Reporter	Anonymous
Tags:	Arechclient2 exe SectopRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

18e7f00f_.exe

Verdict:

Malicious activity

Analysis date:

2025-07-27 16:35:03 UTC

Tags:

lumma stealer autoit loader auto-startup arechclient2 rat backdoor xor-url generic

Link:

https://app.any.run/tasks/f10f8432-974e-4387-b69e-135a7e2dbe97

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/17992/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688b4db80b4775fb2133ea95

Tags:

autorun autoit emotet nsis

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a file

Launching cmd.exe command interpreter

Creating a process with a hidden window

Moving a file to the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Searching for synchronization primitives

Creating a window

Creating a process from a recently created file

DNS request

Sending a custom TCP request

Сreating synchronization primitives

Connection attempt

Reading critical registry keys

Possible injection to a system process

Unauthorized injection to a recently created process

Stealing user critical data

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

infostealer installer microsoft_visual_cc obfuscated overlay packed packed packer_detected

Link:

https://www.filescan.io/uploads/688b4dbc13488cfd44e26a5f/reports/ba2bce61-fff9-4312-bd12-905f739976da/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/554e6df6-a6d6-4a53-a4e6-03ac2a1b271b

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable)

Link:

https://app.malva.re/file/a90ba9920bcd2db0f889ab97454bc7ee

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e/

Verdict:

Malicious

Threat:

Family.LUMMA

Link:

https://tip.neiki.dev/file/f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e

Threat name:

Win32.Malware.Heuristic

Status:

Malicious

First seen:

2025-07-28 01:04:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 37 (54.05%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6gdf6w6liznledhcmk4dco2q3s5jrriduqdnfselpl3essqejm7a._file

Verdict:

malicious

Label(s):

sectoprat

Similar samples:

error

Arechclient2

Result

Malware family:

sectoprat

Score:

10/10

Tags:

family:sectoprat discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250731-m6ek4agp31/

Behaviour

Enumerates system info in registry

Runs ping.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Drops file in Windows directory

Enumerates processes with tasklist

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Drops startup file

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

SectopRAT

SectopRAT payload

Sectoprat family

Suspicious use of NtCreateUserProcessOtherParentProcess

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/50f19e24-4f7c-4c1b-9c7f-283c5dc8144d

Unpacked files

SH256 hash:

f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e

MD5 hash:

a90ba9920bcd2db0f889ab97454bc7ee

SHA1 hash:

a896ce7dd73488f81fff869069accdf2c596a0ea

Link:

https://www.unpac.me/results/0331f711-a2c4-4c41-b5d1-94261e66bcba/

SH256 hash:

bb4fb924885b8d6719cb88e7f231abcbb7c2a1c69be92a12ce7bb56bed9129e3

MD5 hash:

094ae615109634f48bede4a612e36fc8

SHA1 hash:

a8b8cbf4d8a7f368b3ae53090bab40a2793657eb

Link:

https://www.unpac.me/results/0331f711-a2c4-4c41-b5d1-94261e66bcba/

SH256 hash:

8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

MD5 hash:

08e9796ca20c5fc5076e3ac05fb5709a

SHA1 hash:

07971d52dcbaa1054060073571ced046347177f7

Link:

https://www.unpac.me/results/0331f711-a2c4-4c41-b5d1-94261e66bcba/

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/f1865f5bcb465ab20ce262b8313b50dcba98c503a406d2c88b7af6494a044b3e

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_NSIS_Nullsoft_Installer Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects NSIS installers by .ndata section + NSIS header string

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	grakate_stealer_nov_2021 Create hunting rule

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

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Trojan_Arechclient2_b6ea1c83 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_RedLineStealer_15ee6903 Create hunting rule
Author:	Elastic Security

Rule name:	win_redline_stealer_generic Create hunting rule
Author:	dubfib

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Dropped by

Lumma

Cape

https://www.capesandbox.com/analysis/17992/

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

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample