MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7. 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: 12

Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash:	a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7
SHA3-384 hash:	1f731c605b0bc651688d11fe1560c32333d4973deb721e4703a92730a32fc79941eb750f57add6afdd7aad8ba4a0dabe
SHA1 hash:	ce8cf2dc1b30d5d6870cc3d374c15e1005fdc879
MD5 hash:	e70e71a31781b44f850a39693784ce74
humanhash:	lima-artist-lemon-zulu
File name:	Invoice Pending Payment.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	507'280 bytes
First seen:	2025-02-24 16:21:52 UTC
Last seen:	2025-03-10 11:36:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	e160ef8e55bb9d162da4e266afd9eef3 (145 x GuLoader, 33 x RemcosRAT, 17 x AgentTesla)
ssdeep	12288:yQeEJFJYJbJPeJyxJxWJiJfJcJWJSJaJ2J/JSJFJ8JjJcJHJQJoXJSJAhwjJTJZx:cEJFJYJbJPeJyxJxWJiJfJcJWJSJaJ2p
TLSH	T133B4F1A37286E5E7F4560CF4CC299AF993A2ED01D9D85503F184BF2F387366245250AF
TrID	92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10522/11/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
dhash icon	29c8d484c8c47098 (13 x njrat, 1 x VIPKeylogger)
Reporter	lowmal3
Tags:	exe NjRAT signed

Code Signing Certificate

Organisation:	Breweries
Issuer:	Breweries
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-05-06T10:26:53Z
Valid to:	2025-05-06T10:26:53Z
Serial number:	391a08f4cfa8face743ec806df49200a45dd1e7d
Thumbprint Algorithm:	SHA256
Thumbprint:	e8c65a4cb80b655aef4c0d07a3d407b6265c0ec80f62ee79ac5291a245d3aea2
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

117

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Win32.Trojan-Downloader.GuLoader.7EJCVI.15419.17718.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bc9cbda0fd713c335ca12c

Tags:

injection virus blic

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% subdirectories

Creating a file in the %temp% subdirectories

Searching for the window

Searching for the Windows task manager window

Launching a process

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context blackhole installer masquerade microsoft_visual_cc obfuscated overlay signed

Link:

https://www.filescan.io/uploads/67bc9cc66222db7f23da2344/reports/3fe1051d-a74a-4fcb-9abc-dd8832bcad39/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/e774edba-36f2-4b66-ab82-f80ea5d62d04

Result

Threat name:

GuLoader, Snake Keylogger

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1622902

Signature

AI detected suspicious PE digital signature

Early bird code injection technique detected

Found malware configuration

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)

Suricata IDS alerts for network traffic

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

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

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

Uses the Telegram API (likely for C&C communication)

Writes to foreign memory regions

Yara detected GuLoader

Yara detected Snake Keylogger

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

81%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2025-02-24 10:48:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 38 (36.84%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uavvnnghiqslokxcdvdtp2bcmu7grolwfynowmj5qg6ulk6ohhtq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery execution persistence

Link:

https://tria.ge/reports/250224-tvdb8asjw7/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Legitimate hosting services abused for malware hosting/C2

Loads dropped DLL

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/201a6280-9b6a-4172-bd4c-af851a07cc0d

Unpacked files

SH256 hash:

a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7

MD5 hash:

e70e71a31781b44f850a39693784ce74

SHA1 hash:

ce8cf2dc1b30d5d6870cc3d374c15e1005fdc879

Link:

https://www.unpac.me/results/c55ebd9d-a510-4bcc-a2f6-1fb917ceba71/

SH256 hash:

ab9f54a61904f87420aecca7c1e5dbccb11106e6a1ce09d9f9b405a0a3e00263

MD5 hash:

dbd200b19b846228be8e9bcc45ee32cb

SHA1 hash:

d5cc4a123285fcd93ba6c1b8d84faaa22b7501fa

Link:

https://www.unpac.me/results/c55ebd9d-a510-4bcc-a2f6-1fb917ceba71/

SH256 hash:

307bbc9535bf0a2dfbdbcdc6abfccdca8c4a22c8668114312bb0a94803f6960a

MD5 hash:

753d834ae185d8554b5a73ded0da8756

SHA1 hash:

3a86571b404ccb9baf773962afd9435c79580e6e

Link:

https://www.unpac.me/results/c55ebd9d-a510-4bcc-a2f6-1fb917ceba71/

SH256 hash:

cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

MD5 hash:

51e63a9c5d6d230ef1c421b2eccd45dc

SHA1 hash:

c499cdad5c613d71ed3f7e93360f1bbc5748c45d

Link:

https://www.unpac.me/results/c55ebd9d-a510-4bcc-a2f6-1fb917ceba71/

Malware family:

VIPKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a02b56b4c744/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/a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7

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:	Detect_SliverFox_String Create hunting rule
Author:	huoji
Description:	Detect files is `SliverFox` malware

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.

Malspam

njrat

exe a02b56b4c74424b72ae21d4737e822653e68b9762e1aeb313d81bd45abce39e7

(this sample)

Delivery method

Distributed via e-mail attachment

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

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteA SHELL32.dll::SHFileOperationA SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetDiskFreeSpaceA KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileA KERNEL32.dll::GetWindowsDirectoryA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA ADVAPI32.dll::RegSetValueExA
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowExA USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA

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