MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57cb093510514d18e117230d0b01837dfa0492bf89f76638bd8bc7cdcf7422d0. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57cb093510514d18e117230d0b01837dfa0492bf89f76638bd8bc7cdcf7422d0
SHA3-384 hash: 685dec2938286d5e6ade35fca16dc15ca5eb15a6f1692818e96e09b7d1339a0b7cd3752dc0b342f2a150c2afad5eb8d5
SHA1 hash: cce38a455782953a364bbedf72a76f22790f8a73
MD5 hash: 2bcf21bc153cf5b29070f9ed9d8d0b80
humanhash: purple-connecticut-whiskey-lake
File name:2BCF21BC153CF5B29070F9ED9D8D0B80.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2021-08-13 16:43:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:J0bUe5XB4e0XOOVClXCpF7r/HWTLtTUFQqzFdObbb:yT9BuNYlQYDbb
Threatray 108 similar samples on MalwareBazaar
TLSH T107E2094677E98215C6BD1AFC8CB313250772E3438532EB6F5CDC88CA4B676D40252EE9
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
181.141.9.238:1983

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
181.141.9.238:1983 https://threatfox.abuse.ch/ioc/185159/

Intelligence

File Origin
# of uploads :
1
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2BCF21BC153CF5B29070F9ED9D8D0B80.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 16:43:49 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/bcc361e2-52ee-40bc-a590-55496c98ccd0

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/179048/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file
Sending a UDP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Deleting of the original file
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/6e4f1776-ca54-4459-84e9-42be1836ba58
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832567
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/57cb093510514d18e117230d0b01837dfa0492bf89f76638bd8bc7cdcf7422d0/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-08-11 00:01:56 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7fqsniqkfgrryixemgqwamdpx5ajev7rh3wmof5rpd43t3uelia._file
Verdict:
suspicious
Similar samples:
381bc1886d534d20d33107d09b09fd7e4fffba102c0314b6d8359be5ebb6231f
njrat
4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708
njrat
7bde07b970c9468b9dd913250b68d1dbd699613d2eaf5bebd8ec2d121f2210d0
njrat
846d82f6f9d6b965ef683cd91724d72917263cf21e9f0f7e4ed2cb4f1ceacce8
njrat
899bb9a7cbead03d1f6be39d2798cd9c8075be00a3001411e13bb5f20c8a9364
njrat
9c8b6744a1207e4af311e453d52170e0fe4f307167e27ddb92b5e05befeb94c6
njrat
ace9061016c4f94d193e0d4bf3804c81aa2ea2601085cfa410259e1bdc9a92cc
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
c2931b181d6fcb3828b626445aed2cc0def707434bd33339d4cc654d39ad39f2
njrat
e63cc99dd10607d568a428f192577a19a915e284592ce1bd135d18576596977c
njrat
+ 98 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Link:
https://tria.ge/reports/210813-7lzmbjj5qn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
57cb093510514d18e117230d0b01837dfa0492bf89f76638bd8bc7cdcf7422d0
MD5 hash:
2bcf21bc153cf5b29070f9ed9d8d0b80
SHA1 hash:
cce38a455782953a364bbedf72a76f22790f8a73
Link:
https://www.unpac.me/results/4f83af93-3e2a-4d60-8e4b-59ed8dab6e9d/
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/57cb093510514d18e117230d0b01837dfa0492bf89f76638bd8bc7cdcf7422d0

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/179048/

Comments