MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1. 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

njrat

Vendor detections: 13

Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash:	e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1
SHA3-384 hash:	2179fa177aec3fea07ff83e919e3e73b8028cf8f5aecd0ec899888a3b8d3c78a2941e090b149233635d28e1be8b3a461
SHA1 hash:	c76596c085051231244be3af1fc60008c3996699
MD5 hash:	36b3e837cead7b1538ea5e41485a06ac
humanhash:	eight-social-jig-quebec
File name:	Ziraat Bankasi Swift Mesaji.pdf.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	810'486 bytes
First seen:	2025-04-10 18:12:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT)
ssdeep	12288:oTEljAjpQDhvzNcXrt3VlhL96E6hzHFIc9CynX24sm57tbPOhTxSLvJSmmV:oTE6jpywlTL9p6hzF9nnF58SLRSmK
TLSH	T10605F150B6A0C1F7CCA912F07C59EA3986E76E5C9BC03607A4AA35D96C73DE30D1A70D
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	31b999ccecccca98 (2 x njrat, 1 x GuLoader)
Reporter	abuse_ch
Tags:	exe geo NjRAT RAT TUR ZiraatBank

Intelligence

File Origin

# of uploads :

# of downloads :

493

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Ziraat Bankasi Swift Mesaji.pdf.exe

Verdict:

Malicious activity

Analysis date:

2025-04-10 20:51:37 UTC

Tags:

m0yv sinkhole stealer

Link:

https://app.any.run/tasks/c8799693-6569-49ed-af7f-7524834269f8

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/1661/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67f812661dba888a93cf8145

Tags:

underscore nsis

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% subdirectories

Launching a process

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context blackhole installer masquerade microsoft_visual_cc overlay packed packer_detected

Link:

https://www.filescan.io/uploads/67f80a3a40adfb5162bef1c1/reports/6e223f61-c6ff-42e9-9a24-d9a8058cee9b/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/fbca63ee-dca8-4d7e-87e0-d34f15d81834

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1662380

Signature

Early bird code injection technique detected

Found suspicious powershell code related to unpacking or dynamic code loading

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Powershell drops PE file

Queues an APC in another process (thread injection)

Sigma detected: Suspicious Double Extension File Execution

Sigma detected: Suspicious Double Extension Files

Sigma detected: Suspicious Script Execution From Temp Folder

Suspicious powershell command line found

Uses an obfuscated file name to hide its real file extension (double extension)

Writes to foreign memory regions

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1/

Threat name:

Win32.Trojan.GuLoader

Status:

Malicious

First seen:

2025-04-10 08:54:30 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=43broep3fvdytirgtznc3wzallsp4vkpzpquiba3bc42shxsvpyq._file

Result

Malware family:

darkcloud

Score:

10/10

Tags:

family:darkcloud discovery execution persistence stealer

Link:

https://tria.ge/reports/250410-wtv7rayps7/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: LoadsDriver

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Volume Shadow Copy service COM API

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Drops file in System32 directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Blocklisted process makes network request

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

DarkCloud

Darkcloud family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/471b53e6-8d15-42f4-ad8f-1868fa71e165

Unpacked files

SH256 hash:

e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1

MD5 hash:

36b3e837cead7b1538ea5e41485a06ac

SHA1 hash:

c76596c085051231244be3af1fc60008c3996699

Link:

https://www.unpac.me/results/7cbfe3b7-b799-47fd-9aec-cd8d65eb9a06/

Malware family:

GuLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e6c31711fb2d/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/e6c31711fb2d4789a2269e5a2ddb205ae4fe554fcbe144041b08b9a91ef2abf1

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.

Cape

https://www.capesandbox.com/analysis/1661/

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 ADVAPI32.dll::SetFileSecurityW
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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