MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aca1bb43bd344435c50af52c3ab821eaf1c3c5259a3b3517de643f3f53ecd33. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: 1aca1bb43bd344435c50af52c3ab821eaf1c3c5259a3b3517de643f3f53ecd33
SHA3-384 hash: 606993cef595a25bade922b2cc3b70cb3d4d9a0d27de3865139095e2862266d90929c6ad98424a9644ec5f999b189d0e
SHA1 hash: 2dc2fa52809e60f6d859738ad98ae85a718322a5
MD5 hash: df28c1cfa996dfcb00dfd1d9d133b00e
humanhash: mockingbird-angel-sierra-california
File name:df28c1cfa996dfcb00dfd1d9d133b00e.exe
Download: download sample
Signature njrat
File size:632'320 bytes
First seen:2023-04-15 23:40:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 6144:6ccxrVa7aeHv48dyhD+FWWg/rcWeZxW6mZ1QfEi0QZh11jVtibYfPi+SJw:6NRa7bE5DcptmjQMi9DjVtKu2
Threatray 385 similar samples on MalwareBazaar
TLSH T133D4D0297744F264C9BF4AF18C87D2A427717C72AC011673B9E137FD25726C09E0AB9A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 30f8ecec8ccce8b2 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
18.197.239.5:12196

Intelligence


File Origin
# of uploads :
1
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
df28c1cfa996dfcb00dfd1d9d133b00e.exe
Verdict:
Malicious activity
Analysis date:
2023-04-15 23:42:52 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
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.exe dllhost.exe greyware njrat packed rat
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:
troj.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-04-14 19:30:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat persistence trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
njRAT/Bladabindi
Unpacked files
SH256 hash:
1aca1bb43bd344435c50af52c3ab821eaf1c3c5259a3b3517de643f3f53ecd33
MD5 hash:
df28c1cfa996dfcb00dfd1d9d133b00e
SHA1 hash:
2dc2fa52809e60f6d859738ad98ae85a718322a5
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:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
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
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments