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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e53b12423edce72519dfc039f2c3e056f6a3d60dc2e53a538d47e55aad51859. 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 2 File information Comments

SHA256 hash: 1e53b12423edce72519dfc039f2c3e056f6a3d60dc2e53a538d47e55aad51859
SHA3-384 hash: 6847f26a230872f1d786d6d9e3b0d684966b1fb86fa1d9155989e8cad4fc49ae9dc1e4751c2ab063c170be87f752ffe5
SHA1 hash: 2807fa4ec9f9edbb45d3ebd9733f792dca39711c
MD5 hash: 414ee2e9259fd21fbacbbbf12789c788
humanhash: oxygen-robin-helium-wolfram
File name:1e53b12423edce72519dfc039f2c3e056f6a3d60dc2e53a538d47e55aad51859
Download: download sample
Signature njrat
File size:1'108'152 bytes
First seen:2025-03-10 11:45:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4b94e8ee3f620a89d114b9da4b31873 (92 x GuLoader, 18 x njrat, 9 x RemcosRAT)
ssdeep 24576:YK/Up02JyzwG4Gq+t4Fsjq5c3SddFDykNTwdQG9ikZ:mDJIwzcWl5kSdzDPwZi+
Threatray 228 similar samples on MalwareBazaar
TLSH T1093523907531C115D8C1DABDD022F9FB0A622E62C1A5EE13B380BF2DB47B153A62AF55
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:Brandhjelmen
Issuer:Brandhjelmen
Algorithm:sha256WithRSAEncryption
Valid from:2024-08-13T09:17:35Z
Valid to:2025-08-13T09:17:35Z
Serial number: 0fd7c76f0538eebe084ab2aaf69ea8b08184176c
Thumbprint Algorithm:SHA256
Thumbprint: 2a56a5213a2610d2ade74931413664a00f9bfad9c7e8f0880aa72fa4cb86f02c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e53b12423edce72519dfc039f2c3e056f6a3d60dc2e53a538d47e55aad51859
Verdict:
Malicious activity
Analysis date:
2025-03-10 15:08:45 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
injection uloader virus nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Searching for the window
Creating a file
Delayed reading of the file
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-02-24 08:56:59 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
1e53b12423edce72519dfc039f2c3e056f6a3d60dc2e53a538d47e55aad51859
MD5 hash:
414ee2e9259fd21fbacbbbf12789c788
SHA1 hash:
2807fa4ec9f9edbb45d3ebd9733f792dca39711c
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
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.

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
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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