MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb
SHA3-384 hash: 76a77dacfea5e98e6090de07caceae6c0a7fa330376c1ed0878c1373dd63d6fae3f84faa9df2aa92585214bc4b0e8156
SHA1 hash: 97719f6c9ee3550fed86d6442856dcee195c030d
MD5 hash: 273c1b829b60268790bac0ca6a760e37
humanhash: fix-golf-rugby-angel
File name:ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb
Download: download sample
Signature njrat
Create hunting rule
File size:1'204'224 bytes
First seen:2021-08-30 06:26:13 UTC
Last seen:2021-08-30 07:06:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:yBkh8Yas9prk4CKJXIiyRzIawCOUAsbdrFgf39zB/Qn+KAQ/0LhH343r5FbnVedD:YkhzlJIJISOUAsRridB/0z//0Lhorsy
Threatray 7 similar samples on MalwareBazaar
TLSH T1F1452946FE806F6BC12A2533C8735CBD82E5DE6E5B01EB0FE0E47668077339D524A649
dhash icon f0b8474d91010101 (5 x NanoCore, 1 x njrat, 1 x NetWire)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
460
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb
Verdict:
Malicious activity
Analysis date:
2021-08-30 06:52:39 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/82835781-5af9-41b2-8ae9-31f9db28a92e

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/183573/
Detection(s):
Win.Packed.Bladabindi-6917466-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a window
Launching a process
Creating a file in the %temp% directory
Creating a process with a hidden window
Sending a UDP request
DNS request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1587ecc4-4baa-4a1b-8e5d-0357078594c2
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841289
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 473718 Sample: 4kuv1pXNJ1 Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 40 mixo2020.ddns.net 2->40 46 Antivirus detection for dropped file 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 5 other signatures 2->52 10 4kuv1pXNJ1.exe 1 6 2->10         started        13 Maro.exe 3 2->13         started        15 Maro.exe 2 2->15         started        17 Maro.exe 2 2->17         started        signatures3 process4 file5 36 C:\Users\user\AppData\LocaleqHIFpRKdm.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\...\4kuv1pXNJ1.exe.log, ASCII 10->38 dropped 19 LocaleqHIFpRKdm.exe 1 5 10->19         started        process6 file7 32 C:\Users\user\AppData\Local\Temp\Maro.exe, PE32 19->32 dropped 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 Machine Learning detection for dropped file 19->58 23 Maro.exe 4 5 19->23         started        signatures8 process9 dnsIp10 42 192.168.2.1 unknown unknown 23->42 44 mixo2020.ddns.net 23->44 34 C:\...\71e459c68ceec2e4f54bc49150c26b68.exe, PE32 23->34 dropped 60 Antivirus detection for dropped file 23->60 62 Multi AV Scanner detection for dropped file 23->62 64 Protects its processes via BreakOnTermination flag 23->64 66 5 other signatures 23->66 28 netsh.exe 1 3 23->28         started        file11 signatures12 process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2018-09-07 11:01:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
39 of 46 (84.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zi5luyjmiopzgyukxthvtmpmzkfoycxsyudtxwx6yyl3dbl53c5q._file
Verdict:
unknown
Similar samples:
22a0867e6ae5a3ab5accb025d17d06bf038051a47a0b86dcbe1ebf38160e609c
njrat
2a46e0846fb5b909da9df065c96a2c482075dac2d57bc5bc02d70954e9c7e7da
njrat
3d07e674b3ddbf25cefc72a2ec2e2bf08d450074e285dc89ef304903b6dbbce6
njrat
6952d61c1b90bbe292626eddde290f0649ff02beca59738bf0912f6e1491538e
njrat
809559ef4f0a49166d9dc44908bdc206688523474f58742b12cbd47760b3fdaa
njrat
c925d43deca61d344a00221f897dbe35175272a0984ffbba675194fe48842b3f
njrat
d16901bccf3099bf8bc4aaa4f435f3bafe4bd6c990a6f898011de22dd6f67163
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210830-gwdbjna616/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
0a63eb263d933a6d75ba83e45ac53d69a1aaf684e6c83177cb68f7993f2434e2
MD5 hash:
c79ad557f2fbdc93d7258ede4c7df032
SHA1 hash:
7c9c5c10b009a7e8439dc90c977c6153f3bf8ca6
Link:
https://www.unpac.me/results/c2eada98-f7b0-4554-b5cd-9076dc626423/
SH256 hash:
ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb
MD5 hash:
273c1b829b60268790bac0ca6a760e37
SHA1 hash:
97719f6c9ee3550fed86d6442856dcee195c030d
Link:
https://www.unpac.me/results/c2eada98-f7b0-4554-b5cd-9076dc626423/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca3aba612c439f93628abccf59b1ecca8aec0af2c5073bdafec617b1857dd8bb

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/183573/

Comments