MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d9407bc4748cc4a1089ae4f1090dfe982bfcbf3b33ccc0c29725bbcd2d586c. 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: 18


Intelligence 18 IOCs 1 YARA 16 File information Comments

SHA256 hash: 52d9407bc4748cc4a1089ae4f1090dfe982bfcbf3b33ccc0c29725bbcd2d586c
SHA3-384 hash: 2e12370d959ad8f96187e0282f004b0f6f2ca23a1c58a9bccb6be94cf198419af00d5d9e1d5536a1c059355673ac4739
SHA1 hash: fdfa1ec7c505658f2fd9143c18253725bfbbaed4
MD5 hash: fd35dd70aa62505b4e0eae18087846e7
humanhash: fix-tennis-white-carbon
File name:fd35dd70aa62505b4e0eae18087846e7.exe
Download: download sample
Signature njrat
File size:44'032 bytes
First seen:2025-02-17 10:15:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 384:YZyIxPn1iDcsyEqtz1QeEVOgE1GyOEtzcIij+ZsNO3PlpJKkkjh/TzF7pWn7/gra:u9PnU4pEqtpQeGOMyZuXQ/oK3+L
TLSH T17E13D68CB694E174D5FF8BF1A4A2B2890B71A01BA906930F99F114D94F73EC09611EE7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
5.182.226.142:41127

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
5.182.226.142:41127 https://threatfox.abuse.ch/ioc/1414079/

Intelligence


File Origin
# of uploads :
1
# of downloads :
603
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
fd35dd70aa62505b4e0eae18087846e7.exe
Verdict:
Malicious activity
Analysis date:
2025-02-17 10:23:23 UTC
Tags:
rat njrat bladabindi remote backdoor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
bladabindi phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
DNS request
Creating a window
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd dllhost lolbin njrat obfuscated obfuscated rat schtasks vbnet windows
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-02-14 18:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked adware discovery persistence privilege_escalation stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in System32 directory
Adds Run key to start application
Checks installed software on the system
Installs/modifies Browser Helper Object
Drops startup file
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
Downloads MZ/PE file
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
tcp.cloudpub.ru:41127
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Msilperseus-9220094-0 bladabindi
YARA:
malware_Njrat_strings Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Unpacked files
SH256 hash:
52d9407bc4748cc4a1089ae4f1090dfe982bfcbf3b33ccc0c29725bbcd2d586c
MD5 hash:
fd35dd70aa62505b4e0eae18087846e7
SHA1 hash:
fdfa1ec7c505658f2fd9143c18253725bfbbaed4
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:CN_disclosed_20180208_c
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:RAT_win_njrat
Author:KrknSec
Description:Detects njRAT binaries.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.njrat
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments