MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40
SHA3-384 hash: b2f0226a151bf042dfcc7d1cea43def34c85fe3cf81c2317448eb125b6c80ea655e7d0a80195e85ef2b10ee31a7d86d1
SHA1 hash: 2ef51053667af029a1eefa8f35b92e9b8ccb2871
MD5 hash: 717c8e0adaed98341e0b8d2c26da1803
humanhash: football-wisconsin-lactose-zulu
File name:Client.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2022-01-12 01:02:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:b0bUe5XB4e0X+Od/w0Q0mS03AWTxtTUFQqzFhObbZ:YT9Budi55dbbZ
TLSH T12CE208067BE98215D6BC5AFC8CB313214772E3438532EB6F5CDC88CA4B676D00255EE9
Reporter dodosec
Tags:exe NjRAT


Avatar
dodo_sec
njrat executable retrieved from wtools by a vbs script from ppam file (ComprovanteXdeXreserva.ppam). Reversed, base64 decoded and then passed as PE file to Powershell

Intelligence

File Origin
# of uploads :
1
# of downloads :
371
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2022-01-12 01:04:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d99b98f-ca36-44c5-966c-bc026b235c8a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/218430/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Searching for synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe greyware keylogger njrat obfuscated packed rat razy spygate update.exe
Link:
https://www.filescan.io/uploads/61de28c8e997359713de32cd/reports/dda9696f-3f96-40cb-871d-7da7ed72a51d/overview
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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c6c7efe-a102-46eb-8221-cf8c67f61d08
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918815
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-01-12 01:03:08 UTC
File Type:
PE (.Net Exe)
AV detection:
39 of 41 (95.12%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bdovsb5sl6j35eyaafuglkxefeyy4aewtinyow72xyqbqqb6xvaa._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Link:
https://tria.ge/reports/220112-bedc6sadc4/
Behaviour
Suspicious use of AdjustPrivilegeToken
Malware Config
C2 Extraction:
fidapeste2.duckdns.org:5552
Unpacked files
SH256 hash:
08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40
MD5 hash:
717c8e0adaed98341e0b8d2c26da1803
SHA1 hash:
2ef51053667af029a1eefa8f35b92e9b8ccb2871
Link:
https://www.unpac.me/results/e3ef233a-2124-448f-b50e-6adde17cfe3a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

njrat

PowerPoint file ppam 623027463a2ef70f60ff6a0991019847a3fb24da3b633b52da4a99a77c99f92b

njrat

Executable exe 08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40

(this sample)

  
Link
https://wtools.io/code/raw/b8GW
  
Dropped by
SHA256 623027463a2ef70f60ff6a0991019847a3fb24da3b633b52da4a99a77c99f92b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/218430/

Comments