MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9. 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: 14

Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash:	a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9
SHA3-384 hash:	bee5114eb35256103aefe8de02eb96688e94e72998498612875cde38d1ef3fd082dada8601a56926d69809fb76e4a308
SHA1 hash:	d4b1163a93ad8256df6695fe949e04fb763d15ca
MD5 hash:	87a2998eb71ec7ad49db3cd7430e35b9
humanhash:	kansas-chicken-king-fanta
File name:	RFQ - GDMScannedDocument918383918383.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'555'968 bytes
First seen:	2025-06-04 05:59:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d9b6e4ac15c6b83d7f9be46884d0c9b (2 x RemcosRAT)
ssdeep	24576:BJlXRlc7BT0SVqSVVciJA0A0T2uen4/ZcESvU0+Ii6aPwtp9/ZYRh2BYIS:BbIQGVcBq2d+BSsZbBPAp9/ZYRhKY
Threatray	285 similar samples on MalwareBazaar
TLSH	T18F75CF176242D733C33229B0584FAF5CAD19A9121F06680AEDDA3D783B74EB116AD377
TrID	29.9% (.EXE) Win32 Executable Delphi generic (14182/79/4) 22.2% (.EXE) Win64 Executable (generic) (10522/11/4) 21.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2) 9.5% (.EXE) Win32 Executable (generic) (4504/4/1) 4.3% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
dhash icon	30e4c4d4e4e8dce8 (2 x RemcosRAT)
Reporter	abuse_ch
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

573

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/7185/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=683fe1808bd5d68a12e4df02

Tags:

autorun cobalt delphi emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a window

Creating a file

Running batch commands

Creating a process with a hidden window

Launching a process

Creating a process from a recently created file

Creating a file in the Windows subdirectories

Enabling the 'hidden' option for recently created files

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context borland_delphi fingerprint keylogger modiloader packed packed packer_detected remcos

Link:

https://www.filescan.io/uploads/683fe0fe171e01f959356743/reports/5ea325a8-9984-410e-a961-d68f4dea8d35/overview

Verdict:

Malicious

Labled as:

TrojanDownloader/ModiLoader.a

Link:

https://www.hybrid-analysis.com/sample/a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/abb831f8-69e9-4516-8198-cd24edb067f4

Result

Threat name:

Remcos, DBatLoader

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1705568

Signature

Allocates many large memory junks

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Creates a thread in another existing process (thread injection)

Creates an autostart registry key pointing to binary in C:\Windows

Creates autostart registry keys with suspicious names

Delayed program exit found

Detected Remcos RAT

Drops executables to the windows directory (C:\Windows) and starts them

Drops PE files with a suspicious file extension

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: DLL Search Order Hijackig Via Additional Space in Path

Sigma detected: Suspicious Creation with Colorcpl

Uses ping.exe to check the status of other devices and networks

Uses ping.exe to sleep

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

Writes to foreign memory regions

Yara detected DBatLoader

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-05-29 11:14:29 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ukus7a4qaqav3mwp42bi2chtjhfpejbdtbd5aqrrsu74qugwf24q._file

Verdict:

malicious

Label(s):

remcos

dbatloader

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader discovery persistence trojan

Link:

https://tria.ge/reports/250604-gqj8ra1py5/

Behaviour

Modifies registry class

Runs ping.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Drops file in System32 directory

Adds Run key to start application

Executes dropped EXE

ModiLoader Second Stage

ModiLoader, DBatLoader

Modiloader family

Verdict:

Malicious

Tags:

Win.Trojan.Modiloader-10042434-0

YARA:

n/a

Link:

https://app.threat.zone/submission/17e62983-1b13-4db7-8cfc-18176107d94f

Unpacked files

SH256 hash:

a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9

MD5 hash:

87a2998eb71ec7ad49db3cd7430e35b9

SHA1 hash:

d4b1163a93ad8256df6695fe949e04fb763d15ca

Link:

https://www.unpac.me/results/6bf7059b-26a4-44e5-9271-6a53d0813105/

Malware family:

ModiLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a2a92f839004/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/a2a92f839004015db2cfe6828d08f349caf224239847d04231953fc850d62eb9

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

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

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

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	HUNTING_SUSP_TLS_SECTION Create hunting rule
Author:	chaosphere
Description:	Detect PE files with .tls section that can be used for anti-debugging
Reference:	Practical Malware Analysis - Chapter 16

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

Rule name:	Typical_Malware_String_Transforms Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects typical strings in a reversed or otherwise modified form
Reference:	Internal Research

Rule name:	Typical_Malware_String_Transforms_RID3473 Create hunting rule
Author:	Florian Roth
Description:	Detects typical strings in a reversed or otherwise modified form
Reference:	Internal Research

Rule name:	Windows_Generic_Threat_d7b57912 Create hunting rule
Author:	Elastic Security

File information

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

Cape

https://www.capesandbox.com/analysis/7185/

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_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetVolumeInformationA kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateFileA kernel32.dll::FindFirstFileA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA
WIN_TRUST_API	Uses Windows Trust API	wintrust.dll::WinVerifyTrust
WIN_USER_API	Performs GUI Actions	user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::FindWindowA user32.dll::PeekMessageA user32.dll::PeekMessageW user32.dll::CreateWindowExA

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