MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f244e767138599c4a0c605431d2be543d45da2adfb9ce4a2dcb499704febf381. 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
| SHA256 hash: | f244e767138599c4a0c605431d2be543d45da2adfb9ce4a2dcb499704febf381 |
|---|---|
| SHA3-384 hash: | 5018b472a4d80f93b5df063346c5188b79b566eade27d6fa420f0d119be2c8256ac174d4273d1613955e576ec1f75869 |
| SHA1 hash: | 378bad9d0c769087eee0159da95bf216b1ed7f56 |
| MD5 hash: | 429e48d78bf4bf8403c99c46e6514840 |
| humanhash: | yellow-pizza-oregon-grey |
| File name: | f244e767138599c4a0c605431d2be543d45da2adfb9ce4a2dcb499704febf381 |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'016'632 bytes |
| First seen: | 2025-03-07 14:12:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 17b7d61bda0f7478e36d9ce3d4170680 (23 x GuLoader, 7 x AgentTesla, 6 x njrat) |
| ssdeep | 24576:WGLX2vjhI4UFdPV2BMZfGdpfl/gmZgxVDOeBaNjAx:r2WAeOpfBcSFhAx |
| TLSH | T13D252392F784C89BD3838BB64676D2769ED6ED110520020A37DCFEB77976682D422F07 |
| 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 | 00fc7cfcececfcf0 (6 x njrat, 2 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe NjRAT signed |
Code Signing Certificate
| Organisation: | Gungrede |
|---|---|
| Issuer: | Gungrede |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-11-28T02:07:32Z |
| Valid to: | 2025-11-28T02:07:32Z |
| Serial number: | 1eab7a444947af9f8035a80661ef7dd3f92c8c8a |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b1f1e6e1e3e1f3003fce84cf18cc30d16d8e040d7b7f614a69d543dae7847842 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
241
Origin country :
HUVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
f244e767138599c4a0c605431d2be543d45da2adfb9ce4a2dcb499704febf381
Verdict:
Malicious activity
Analysis date:
2025-03-07 16:54:35 UTC
Tags:
guloader evasion snake keylogger telegram stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
njrat nsis
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Restart of the analyzed sample
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Suspicious
Result
Threat name:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected GuLoader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-02-17 14:17:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
22 of 38 (57.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
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
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
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
Win.Trojan.Guloader-10042508-0
YARA:
n/a
Unpacked files
SH256 hash:
f244e767138599c4a0c605431d2be543d45da2adfb9ce4a2dcb499704febf381
MD5 hash:
429e48d78bf4bf8403c99c46e6514840
SHA1 hash:
378bad9d0c769087eee0159da95bf216b1ed7f56
SH256 hash:
f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b
MD5 hash:
b853d5d2361ade731e33e882707efc34
SHA1 hash:
c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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 |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| 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 |
| 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::ShellExecuteW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA 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::GetWindowsDirectoryW |
| 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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