MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b. 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: 14

Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash:	995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b
SHA3-384 hash:	3b2601f0a5852fc2b6a650fb8c7f8a341a225325399dccf5eb7659adca60b0a3c08ae0bbdc55bd4c8255c1057ba3c96f
SHA1 hash:	be6729b17ab3016acd88955fb94bfc2ffe7417f0
MD5 hash:	9c388216ef68a2be42a962e539a8db14
humanhash:	alabama-asparagus-pennsylvania-alpha
File name:	995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b
Download:	download sample
Signature	njrat Create hunting rule
File size:	1'189'056 bytes
First seen:	2025-03-10 11:34:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d4b94e8ee3f620a89d114b9da4b31873 (92 x GuLoader, 18 x njrat, 9 x RemcosRAT)
ssdeep	24576:m9Su5UZJRw+07bO49/WtzMFsjq5c3SddFDykNTwdQG9ikc:NWUHSrKBCl5kSdzDPwZid
TLSH	T150452350B831C0A6D8D1DA7DD452E5F70BB02DA2C5D1EE133385BF2AB13B1439A6BB52
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	593463627171414d (18 x njrat)
Reporter	adrian__luca
Tags:	exe NjRAT signed

Code Signing Certificate

Organisation:	Julemaaneders
Issuer:	Julemaaneders
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-06-27T02:49:22Z
Valid to:	2025-06-27T02:49:22Z
Serial number:	4854435c624221267763d06bff0e734821b3b081
Thumbprint Algorithm:	SHA256
Thumbprint:	1b105d883f870a9c7d58da9fc7ba3b6d828991512a120ea0a54911654cab3869
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

320

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b

Verdict:

Malicious activity

Analysis date:

2025-03-10 14:00:38 UTC

Tags:

evasion snake keylogger stealer

Link:

https://app.any.run/tasks/0181a4f7-17e1-4dee-9bca-7699880522c9

Note:

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

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ced70d0d1b39e3a208b1fd

Tags:

injection obfusc virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %AppData% subdirectories

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 blackhole guloader installer microsoft_visual_cc overlay signed

Link:

https://www.filescan.io/uploads/67cece7bf8726576332ec4cd/reports/155b9da8-49ef-4ad9-95bb-e02d3af0ba15/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/be65e03f-b44c-4f39-91bd-3167892f3ceb

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1634805

Signature

AI detected suspicious PE digital signature

Antivirus / Scanner detection for submitted sample

Disable Task Manager(disabletaskmgr)

Disables CMD prompt

Disables the Windows task manager (taskmgr)

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Switches to a custom stack to bypass stack traces

Tries to detect the country of the analysis system (by using the IP)

Tries to detect virtualization through RDTSC time measurements

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b/

Threat name:

Win32.Trojan.GuLoader

Status:

Malicious

First seen:

2025-02-24 10:24:59 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tfmhskjwfhtwrwq52anxxhv3lep7ofekuvonf464hznm54xcnefq._file

Verdict:

malicious

Label(s):

cloudeye

Similar samples:

error

njrat

Result

Malware family:

guloader

Score:

10/10

Tags:

family:guloader collection defense_evasion discovery downloader evasion spyware stealer trojan

Link:

https://tria.ge/reports/250310-nplhrasrs4/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses Microsoft Outlook profiles

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Disables Task Manager via registry modification

Guloader family

Guloader,Cloudeye

Modifies Windows Defender DisableAntiSpyware settings

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/1235762a-f098-4328-a2c8-c39b337624e5

Unpacked files

SH256 hash:

e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

MD5 hash:

ee260c45e97b62a5e42f17460d406068

SHA1 hash:

df35f6300a03c4d3d3bd69752574426296b78695

Link:

https://www.unpac.me/results/cc96a188-a7db-4c70-8246-fabeababa001/

SH256 hash:

995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b

MD5 hash:

9c388216ef68a2be42a962e539a8db14

SHA1 hash:

be6729b17ab3016acd88955fb94bfc2ffe7417f0

Link:

https://www.unpac.me/results/cc96a188-a7db-4c70-8246-fabeababa001/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.52

Link:

https://yomi.yoroi.company/submissions/995879293629e768da1dd01b7b9ebb591ff7148aa55cd2f3dc3e5acef2e2690b

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:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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_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::ShellExecuteW 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::LoadLibraryW 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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