MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237. 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: 11

Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash:	e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237
SHA3-384 hash:	2ee38debdc5ca775de02ee22b7a122cc7433c0c955fab6359c082d53583fc55fc32a73211124479b6b43fe5dff4cd6e3
SHA1 hash:	4e8d586a950492c30147b7d56bcfad49cd577966
MD5 hash:	25eec63edf7c0eb8628a89712b5cb363
humanhash:	leopard-apart-cat-iowa
File name:	inward_payment_confirmation_reference_Z1766053541_notifications.bat
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	550'217 bytes
First seen:	2025-01-14 13:43:52 UTC
Last seen:	2025-01-15 14:09:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 48 x GuLoader, 28 x RemcosRAT)
ssdeep	6144:UnPdudwDCVOCg2G4A+uxXCpzna3MSzy99s5sbro5kd+B4hJ1QQsSGuhkrpzOUlec:UnPdMg2H8SpzaThHy7mzOUlvnVMs3e+
TLSH	T1D9C4F1E4E210C1A7E25F5D38DAB169F11D80BC38D1E1087B43507EA9F4B2A2599EF91F
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
File icon (PE):
dhash icon	c48ce2a2aeb28c49 (2 x RemcosRAT, 2 x GuLoader)
Reporter	threatcat_ch
Tags:	exe remcos RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

213

Origin country :

Vendor Threat Intelligence

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67866a26aa9c8e7858deb42c

Tags:

n/a

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Creating a file

Delayed reading of the file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context installer masquerade microsoft_visual_cc overlay packed packer_detected

Link:

https://www.filescan.io/uploads/67866a2bf1b96fac3180ebaa/reports/02551063-e02e-4a65-9d4d-555d3f504e21/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237

Malware family:

Unlabeled

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/f1916bd5-dc2d-43e1-954d-88a7395b1487

Result

Threat name:

Remcos, GuLoader

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1590830

Signature

AI detected suspicious sample

C2 URLs / IPs found in malware configuration

Detected Remcos RAT

Found malware configuration

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Opens the same file many times (likely Sandbox evasion)

Sigma detected: New RUN Key Pointing to Suspicious Folder

Sigma detected: Remcos

Switches to a custom stack to bypass stack traces

Tries to detect virtualization through RDTSC time measurements

Yara detected GuLoader

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237/

Threat name:

Win32.Worm.AutoRun

Status:

Malicious

First seen:

2025-01-14 06:30:33 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4b2ya5axlebflxsnhfp2hx54gnxirsllxk4k7sq5lzovvo5mai3q._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:latentbot family:remcos botnet:manifest collection discovery persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/250114-q1s33s1pfn/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Adds Run key to start application

Loads dropped DLL

Reads user/profile data of web browsers

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

LatentBot

Latentbot family

Remcos

Remcos family

Malware Config

C2 Extraction:

linktreewealth.zapto.org:3980
linktreewealth.zapto.org:3981
linktreewealthy.zapto.org:3980
linktreewealth.zapto.org

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/002c19b9-3e27-48fc-a60d-06bf9247dda9

Unpacked files

SH256 hash:

9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

MD5 hash:

4add245d4ba34b04f213409bfe504c07

SHA1 hash:

ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

Link:

https://www.unpac.me/results/b2296075-826b-4930-8a40-8ab476b26619/

SH256 hash:

e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237

MD5 hash:

25eec63edf7c0eb8628a89712b5cb363

SHA1 hash:

4e8d586a950492c30147b7d56bcfad49cd577966

Link:

https://www.unpac.me/results/b2296075-826b-4930-8a40-8ab476b26619/

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/e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237

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:	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)

File information

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

No further information available

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
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	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::MoveFileExW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
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

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