MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08. 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: 14


Intelligence 14 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08
SHA3-384 hash: 52607748d7c0e85e94cd33b879400170ce2c7e38a925c2ecbbe19dd07c994f6181298d9392f3dcd13b2adbb8dd6983d2
SHA1 hash: 796a9a44f06ecf99cc3e87e8d7cc4f21af4ff623
MD5 hash: 02f401402fa00085c825e716671955f4
humanhash: nevada-lake-october-blossom
File name:Client.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2022-03-14 10:39:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:O0bUe5XB4e0XfOZzw0Q0mS03AWTxtTUFQqzFMObbV:fT9Bu2C55dubV
Threatray 253 similar samples on MalwareBazaar
TLSH T168E208067BE94215D6BC5AF88CB313214772E3838532EB6F9CDC98CA4B676D00245EED
Reporter stoerchl
Tags:exe NjRAT

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
141.255.150.150:5552 https://threatfox.abuse.ch/ioc/395122/

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/250119/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe greyware keylogger njrat obfuscated packed rat update.exe
Link:
https://www.filescan.io/uploads/622f1b8ddfdfa8501c9d6401/reports/5a48af6a-0925-46f7-92dc-95e167c8d89c/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/d9240c19-74e7-4ddb-9961-7ed0022c23cb
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/955983
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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 submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 10:40:15 UTC
File Type:
PE (.Net Exe)
AV detection:
27 of 27 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6sboydwlnzncbd7qb6dab2prkeqz7knemr6e5qqujw5zx2mr4ea._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
07c7268c2f8a736f5c74f9dabfdf5e10c8a4580fdfcf11eaa7e20a88dd52cae8
njrat
08dd5907b25f93be9300016865aae429318e00969a1b875bfabe2018403ebd40
njrat
20d66e306814d82ade08c97dc4bb992394830d32b0231b16d6af3878cf082ec0
njrat
63dec7fa46a8b31f38ec74c9518847f54e570b62b1664f191a596727bf75f22b
njrat
b047ecd482ba7616d02b58a9f77cf558a8fbc5394fceee88082be6a5677229f9
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
ce3f49f552210c00b360845000a735879ec0e2e2a3abe6999d7ff0b6774530e0
njrat
e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614
njrat
+ 243 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Link:
https://tria.ge/reports/220314-mqmxjaecg2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Malware Config
C2 Extraction:
handling.ddns.net:5552
Unpacked files
SH256 hash:
c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08
MD5 hash:
02f401402fa00085c825e716671955f4
SHA1 hash:
796a9a44f06ecf99cc3e87e8d7cc4f21af4ff623
Link:
https://www.unpac.me/results/a65c60cb-98b0-40f6-b97d-9a8b0b3b207c/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c7a41760765b/report/overview.html
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/c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08

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.

Web download

njrat

Executable exe c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/250119/

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