MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3278553bbfd3a24ad3207c1360c979bfe5d023f39e103438c4f66987cdc1da1. 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

RemcosRAT

Vendor detections: 9

Intelligence 9 IOCs YARA 12 File information Comments

SHA256 hash:	c3278553bbfd3a24ad3207c1360c979bfe5d023f39e103438c4f66987cdc1da1
SHA3-384 hash:	08514f0bca27244f351af7f6366259db6ef4f728b4d146e39a1f1d80e9f4952f2d9661bb9cbd0d3d1974f3fe5c5e221e
SHA1 hash:	33a91f6819dba694acb0f6c2cd8085b0d1139ba4
MD5 hash:	c0b93e07e7acc9a1b9b558e6b1940999
humanhash:	jig-kansas-apart-carolina
File name:	Ref. 56433905218740.7z
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'245'811 bytes
First seen:	2025-01-20 14:17:30 UTC
Last seen:	2025-01-20 14:20:21 UTC
File type:	7z
MIME type:	application/x-rar
ssdeep	24576:9N/BUBb+tYjBFHNuuNVEtaST6Zi23v2NEXiM0hD6di/A9+:XpUlRhNV7GaSTTw/XiM0hDTV
TLSH	T15E451213BBC4C4B3C1F516314EA6DB25163C39612F624A8B63D079AEAB319D2D631F93
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	7z QUOTATION RemcosRAT

cocaman

Malicious email (T1566.001)
From: ""Amitsingh@Himalayanherbaria.com" <lexi@discrip.com>" (likely spoofed)
Received: "from sixth.discrip.com (sixth.discrip.com [194.169.172.236]) "
Date: "Mon, 20 Jan 2025 02:42:58 -0800"
Subject: "=?UTF-8?Q?Request=5FRef=5FQuotation-=35=36=34=33=33=39=30=35=32?= =?UTF-8?Q?=31=38=37=34=30?="
Attachment: "Ref. 56433905218740.7z"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	Ref. 56433905218740.exe
File size:	1'245'625 bytes
SHA256 hash:	4ee8706cd6bf820a75a528e933d35a306ac18d466cc989a3317be9f5be9c1e5e
MD5 hash:	2ed1d515b213dfafa2ac37fa4b9e8191
MIME type:	application/x-dosexec
Signature	RemcosRAT

Vendor Threat Intelligence

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=678e5f00e708b6e7a3adb225

Tags:

autoit emotet lien

Result

Verdict:

Malicious

File Type:

PE File

Link:

https://app.docguard.net/c3278553bbfd3a24ad3207c1360c979bfe5d023f39e103438c4f66987cdc1da1/results/dashboard

Gathering data

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/c3278553bbfd3a24ad3207c1360c979bfe5d023f39e103438c4f66987cdc1da1

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.

Score:

98%

Verdict:

Malware

File Type:

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery persistence rat spyware stealer

Link:

https://tria.ge/reports/250120-r9we8svkhs/

Behaviour

Gathers network information

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

206.189.218.238:4782
206.189.218.238:2286
206.189.218.238:3363
206.189.218.238:3386

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/c3278553bbfd3a24ad3207c1360c979bfe5d023f39e103438c4f66987cdc1da1

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SelfExtractingRAR Create hunting rule
Author:	Xavier Mertens
Description:	Detects an SFX archive with automatic script execution

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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_encryptor_APOS Create hunting rule
Author:	CICS, Jan Dubs
Description:	APOS RaaS Windows Encryptor
Reference:	https://github.com/Neo23x0/yarGen