MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a864b81bd8c847b2818f8e9084bc0f1aa27fa3ca4a80e082a6c14ed8209425ab. 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 1 YARA 3 File information Comments

SHA256 hash: a864b81bd8c847b2818f8e9084bc0f1aa27fa3ca4a80e082a6c14ed8209425ab
SHA3-384 hash: 180be49841ba34eee25d890c2aaa910e535cf7c7eb003ed696f2f6d3622e1c49ffa876e0d00fd7b230696bc09c8b402b
SHA1 hash: 98b5bb6f64fc6a36e5d52afa4cf67dcd34cf6789
MD5 hash: 27f21ab339565fa10788ef10fc6e8b4f
humanhash: mike-eleven-burger-snake
File name:1FormsApp1.exe
Download: download sample
Signature njrat
File size:263'680 bytes
First seen:2022-07-22 10:30:16 UTC
Last seen:2022-07-22 11:58:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:sHT1t7G8xJFfuvjW/vqTHdyWOZqV+4irGbk+svHPObthzIN:6G8EHyWOZqV+4iPCI
Threatray 143 similar samples on MalwareBazaar
TLSH T10644171138F69CCDF1B3AD2A12ECF646DEAFE3112E0247C67B55C34254CA9478F1AA16
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter r3dbU7z
Tags:exe NjRAT

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
101.132.67.159:3165 https://threatfox.abuse.ch/ioc/839088/

Intelligence


File Origin
# of uploads :
2
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1FormsApp1.exe
Verdict:
Malicious activity
Analysis date:
2022-07-22 10:36:49 UTC
Tags:
trojan 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
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files subdirectories
Creating a window
Modifying an executable file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autorun.inf (USB autostart)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-07-22 10:31:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hac1 evasion suricata trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
FRANSESCOTAxLjEzFRANSESCOi42Ny4xNTkStrik:MzE2NQ==
Unpacked files
SH256 hash:
362642641459303f5efe125c3ba963d5656e3fbd7044a2a99f2c837be31325f4
MD5 hash:
f02c41f79d31b059d5d902c9408dd392
SHA1 hash:
b2891016a95723528801becba0770a0795bf160c
SH256 hash:
a864b81bd8c847b2818f8e9084bc0f1aa27fa3ca4a80e082a6c14ed8209425ab
MD5 hash:
27f21ab339565fa10788ef10fc6e8b4f
SHA1 hash:
98b5bb6f64fc6a36e5d52afa4cf67dcd34cf6789
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

njrat

Executable exe a864b81bd8c847b2818f8e9084bc0f1aa27fa3ca4a80e082a6c14ed8209425ab

(this sample)

  
Delivery method
Distributed via web download

Comments