MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e
SHA3-384 hash: 9fb360286bcdb4c685fd560a81d376777a6e7f87bf103fc93c654df94ea629c58bb351c2868f3d1942c5da7f8280e11b
SHA1 hash: a465975949c89470bd1571985691a2e7efb1fd93
MD5 hash: 740abf7c6df16a1f692eac5ef3e5f77e
humanhash: yankee-london-virginia-ten
File name:740abf7c6df16a1f692eac5ef3e5f77e
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2021-06-27 08:35:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:t0bUe5XB4e0XSOfOLsw0Q0mS03AWTxtTUFQqzFiObbR:+T9BuRk555dYbR
Threatray 92 similar samples on MalwareBazaar
TLSH E9E208067BE94215D6BC5AFC8CB313214772E3838532EB6F9CDC88CA4B676D00645EE9
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
740abf7c6df16a1f692eac5ef3e5f77e
Verdict:
Suspicious activity
Analysis date:
2021-06-27 08:40:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ac81105-6262-48ed-a0d8-e1bab4c401a3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

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/68ac5471-d1d6-4e5d-9e53-7fee8387d497
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/808535
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
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-06-23 06:54:00 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u5bxusc4cdwyxo4d3tnllb67v5cu7gv3g4ezy6ig42fcpdttcr7a._file
Verdict:
suspicious
Similar samples:
3dc8c608af3e6e6aec80dbed90a2565121bf097ae71071ce1d1fc4ecc3d8f39a
njrat
7bde07b970c9468b9dd913250b68d1dbd699613d2eaf5bebd8ec2d121f2210d0
njrat
899bb9a7cbead03d1f6be39d2798cd9c8075be00a3001411e13bb5f20c8a9364
njrat
9331d92038a7c3ee89dbdb00d6334250f3e6913f01d393503a69d8b7f2fe4c5b
njrat
9c8b6744a1207e4af311e453d52170e0fe4f307167e27ddb92b5e05befeb94c6
njrat
ace9061016c4f94d193e0d4bf3804c81aa2ea2601085cfa410259e1bdc9a92cc
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
c2931b181d6fcb3828b626445aed2cc0def707434bd33339d4cc654d39ad39f2
njrat
e63cc99dd10607d568a428f192577a19a915e284592ce1bd135d18576596977c
njrat
f629dd8d10e01d5989c5fd0061ff35ac57928b2084f7d65ef1ea5c91cb8526ae
njrat
+ 82 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210627-642v1mr5jj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e
MD5 hash:
740abf7c6df16a1f692eac5ef3e5f77e
SHA1 hash:
a465975949c89470bd1571985691a2e7efb1fd93
Link:
https://www.unpac.me/results/6523e1de-a260-4467-be1d-f2eae718eae5/
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/a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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 a7437a485c10ed8bbb83dcdab587dfaf454f9abb37099c7906e68a278e73147e

(this sample)

  
Delivery method
Distributed via web download

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