MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614. 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: e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614
SHA3-384 hash: f0ba6575a1791421b609c0c9a067606d6927b920bd56dbaf649ddc4c5a25a91fffd4c8cc111ee6d905630f943034aa93
SHA1 hash: 91ad26948fa49144300c6175f9c1921644193fd6
MD5 hash: 20613fa6bbde3853807e944e7ab25d28
humanhash: iowa-mike-carbon-steak
File name:20613FA6BBDE3853807E944E7AB25D28.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2021-08-20 20:22:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:C0bUe5XB4e0XMpOjfrw0Q0mS03AWTxtTUFQqzFWtObb9:bT9Budj855dMb9
Threatray 110 similar samples on MalwareBazaar
TLSH T108E208067BE98215D6BC5AFC8CB313214772E3838532EB6F5CDC88CA4B676D00655EE9
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
178.73.192.14:2001

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
178.73.192.14:2001 https://threatfox.abuse.ch/ioc/192536/

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20613FA6BBDE3853807E944E7AB25D28.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 20:27:13 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/5a268189-7813-43eb-a792-d77cf26d8f91

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/181036/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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/dfcf5e6c-440c-4e90-9531-bfec04bbfc59
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836669
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/e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-08-18 06:18:26 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4mou4hwh4bak63izmslwenfd7dngdujgmt7ezbohna2i7l6nwyka._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
+ 100 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat suricata
Link:
https://tria.ge/reports/210820-5vmgnek9gj/
Behaviour
Suspicious use of AdjustPrivilegeToken
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
envirojo2021.duckdns.org:2001
Unpacked files
SH256 hash:
e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614
MD5 hash:
20613fa6bbde3853807e944e7ab25d28
SHA1 hash:
91ad26948fa49144300c6175f9c1921644193fd6
Link:
https://www.unpac.me/results/88d756b5-a646-4e6c-b35c-f817edf7012e/
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/e31d4e1ec7e040af6d1964976234a3f8da61d12664fe4c85c768348fafcdb614

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/181036/

Comments