MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325. 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: 18

Intelligence 18 IOCs YARA 21 File information Comments

SHA256 hash:	4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325
SHA3-384 hash:	ea40957475f70f0a32c4daf777b1935c768766f4756165c4f1ae6ab825aebeeec3e1582e9908a0a71ef06c304c41378b
SHA1 hash:	c74301815b9debed312868547826d6dc871d0e3c
MD5 hash:	63697850a058c6ef6a379fb9b735c8c6
humanhash:	michigan-helium-william-friend
File name:	PO860.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'343'488 bytes
First seen:	2025-07-08 13:28:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:/tb20pkaCqT5TBWgNQ7a04s+oqrsc59NdEOTvWw2BtdWT6A:8Vg5tQ7a03Zqx5LdEOTram5
Threatray	2'406 similar samples on MalwareBazaar
TLSH	T1CC55D01363DEC365C7725273BA297701BEBF782506A1F96B2FD4093DE920122521EA73
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325.exe

Verdict:

Malicious activity

Analysis date:

2025-07-08 13:43:15 UTC

Tags:

auto-startup

Link:

https://app.any.run/tasks/a4808499-9e92-4600-96c6-6120e6a17a80

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/13468/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686d1d30c9eb974737679bb9

Tags:

autorun autoit emotet remcos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Launching a process

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed packed phishing

Link:

https://www.filescan.io/uploads/686d1d3561f15fb42a351687/reports/cc5f2942-9abf-4870-8918-ad493dbbb3c2/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/09b1118f-074a-4c94-9f7b-ab084d99f9e9

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1730931

Signature

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Detected Remcos RAT

Drops VBS files to the startup folder

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Drops script at startup location

Sigma detected: Remcos

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/63697850a058c6ef6a379fb9b735c8c6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-07-08 05:54:11 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jet7ma5wxeudly73bocltg65grjjqjc6wyhepot7triwibguomsq._file

Verdict:

malicious

Label(s):

unc_loader_036

remcos

autoit

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:mmm discovery rat

Link:

https://tria.ge/reports/250708-qrcpqsvpx9/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Drops startup file

Executes dropped EXE

Remcos

Remcos family

Malware Config

C2 Extraction:

198.23.175.35:6500

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/30b38012-3bc4-4aef-8441-c2f9c108fb3d

Unpacked files

SH256 hash:

4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325

MD5 hash:

63697850a058c6ef6a379fb9b735c8c6

SHA1 hash:

c74301815b9debed312868547826d6dc871d0e3c

Link:

https://www.unpac.me/results/04514a6d-a1cb-4acd-b976-d70671013e4e/

SH256 hash:

30b4c3fd87730de8c3652cac1800a417cd1306a376fe02c134f41f5fc8748542

MD5 hash:

f1c19e5ddf27bdc4cc071d716ffc3641

SHA1 hash:

22cd13cd580bcd507e80c28bfbfcdceb5c002815

Detections:

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/04514a6d-a1cb-4acd-b976-d70671013e4e/

Parent samples :

4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325
f9b9d5f2d47c2528e71c6b2abcaadf1afa94e0e22d14d20ce8b8bd059c48af2e
39c1a3dfa32edb2eb92aa77bb938f2007f1d6b8c2888deee845dd2376d9f8b63
ead8d48153c55187cf961527b8b7c1fcbd7e5529c29f7311252936aae16ff3f6

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/4927f603b6b92835e3fb0b84b99bdd345298245eb60e47ba7f9c516404d47325

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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

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

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	remcos_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked remcos malware samples.

Rule name:	REMCOS_RAT_variants Create hunting rule

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:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

Rule name:	win_remcos_rat_unpacked Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

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/13468/

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
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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