MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3
SHA3-384 hash: a2a7ee30eab197d78d36649461921f78bb96b9c6c8826cd37dc29ce1694900ee7fe499b2b5c83e379f1c5fed640d3043
SHA1 hash: 8074b6aa3235abdd74b297c49a6a2d9e125803cf
MD5 hash: 61163a9b3febd6b69af13b15889783cd
humanhash: blossom-johnny-april-pizza
File name:b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3
Download: download sample
Signature njrat
Create hunting rule
File size:4'675'584 bytes
First seen:2021-08-31 10:19:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 98304:nviz/27qWGq/TzuqCDl2Ptao7jazHMNl28cGSbf:nviq75/TzufdQNlcf
Threatray 731 similar samples on MalwareBazaar
TLSH T14D26E1F5FEC58331CAD16EB0762C62EDC77CF8B119B109785719E02A2A70B5819BB631
dhash icon f0cc8e9296968ef0 (1 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
555
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3
Verdict:
Malicious activity
Analysis date:
2021-08-31 10:57:02 UTC
Tags:
installer rat njrat bladabindi
Link:
https://app.any.run/tasks/2c7b0de6-c5c5-4ca0-8c31-2107254d50e5

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/184112/
Detection(s):
Win.Malware.Generic-6895514-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Creating a file in the %AppData% directory
Creating a process with a hidden window
DNS request
Searching for the window
Deleting a recently created file
Sending a UDP 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
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d067975-46ed-4953-91cf-38be13f12331
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842624
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 475053 Sample: uVp5YLEX5M Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 58 inforhack.ddns.net 2->58 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 11 other signatures 2->76 12 uVp5YLEX5M.exe 9 2->12         started        15 Facebook Hack 2018 .exe 2->15         started        17 Facebook Hack 2018 .exe 2->17         started        19 Facebook Hack 2018 .exe 2->19         started        signatures3 process4 file5 52 C:\ProgramData\...\server.exe, PE32 12->52 dropped 54 C:\ProgramData\...\setup.exe, PE32 12->54 dropped 21 server.exe 1 13 12->21         started        25 setup.exe 2 12->25         started        process6 dnsIp7 46 C:\Users\user\AppData\Local\...\lua51.dll, PE32 21->46 dropped 48 C:\Users\user\AppData\Local\...\lua5.1.dll, PE32 21->48 dropped 50 C:\Users\user\AppData\Local\Temp\...\CDS.exe, PE32 21->50 dropped 80 Antivirus detection for dropped file 21->80 82 Multi AV Scanner detection for dropped file 21->82 28 CDS.exe 1 3 21->28         started        62 1.0.0.0 CLOUDFLARENETUS Australia 25->62 file8 signatures9 process10 dnsIp11 64 192.168.2.1 unknown unknown 28->64 56 C:\Users\user\AppData\Local\...\crypted.exe, PE32 28->56 dropped 32 crypted.exe 1 5 28->32         started        file12 process13 file14 44 C:\Users\user\...\Facebook Hack 2018 .exe, PE32 32->44 dropped 66 Antivirus detection for dropped file 32->66 68 Machine Learning detection for dropped file 32->68 36 Facebook Hack 2018 .exe 4 4 32->36         started        signatures15 process16 dnsIp17 60 inforhack.ddns.net 36->60 78 Creates autostart registry keys with suspicious names 36->78 40 netsh.exe 36->40         started        signatures18 process19 process20 42 conhost.exe 40->42         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2018-07-03 00:11:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
811
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg64fv3jqyk7iuvzognskqu5sdtirb4olma3bcwtfile45kusorq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
1e77593073ce7c57226c55e20d5ca2e09c84c86a083a9d56b3dd1bb732305683
njrat
46fa7b3768b1f91187f59fb97a88e1efbbe603dc88419c73da07c627e9d57f74
njrat
4f7ee2b1be709d2dfcfb894323ac4b6a3f3b0482c646d49b051769a6e3785239
njrat
69bc3e840c7aeb2c0eaa156a23c7717fb2352c7a4e1a28deedfbc25b79b27b82
njrat
a1912487964fbfa6a9004a0889bde004a7b3d007e98706b79688bbb6229af557
njrat
bbbd41df9ee8363af5927a1b8f8b6d373edc69b34069c3a1ff0e5696138a290d
njrat
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
njrat
d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab
njrat
e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
+ 721 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/210831-rkz1edznns/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
inforhack.ddns.net:2040
Unpacked files
SH256 hash:
30e08fe8f868acc44488b9af1e22cc77c15513c47681d370cacda03676eb788d
MD5 hash:
84ba5ed1198af43cc8623773174e2324
SHA1 hash:
2f06b6bdc293ddce1d722179f481a69e91b8b0ee
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/43318d0d-5004-42ef-8a27-cc1359bbbe8e/
SH256 hash:
ff8d61fc46e911e32af3737778f789ff6e3465895bba9f5581fb5589911556a7
MD5 hash:
77fde9dd3d6651c40741847122a68e37
SHA1 hash:
a2bef92887f617dc52e18db6d8884e3629a999e8
Link:
https://www.unpac.me/results/43318d0d-5004-42ef-8a27-cc1359bbbe8e/
SH256 hash:
82b1080996f2830928a83c682db5744a7e12b68d3472dcac27445a1459254968
MD5 hash:
ca206ee8aa04b845f7488bfbd85f5af6
SHA1 hash:
a6c3137cb478305b7ca3eb92e9e3741a6b6d4816
Link:
https://www.unpac.me/results/43318d0d-5004-42ef-8a27-cc1359bbbe8e/
SH256 hash:
fb015456ff3daa2148bf2dc3722674cd4f1ddcbc5a326ed1f371b9f9f6d22b31
MD5 hash:
b7d96590dd31504d5e22cf9b4d0dea2a
SHA1 hash:
0e78cd2cfb45e15c56468ea6517713c3e080236d
Link:
https://www.unpac.me/results/43318d0d-5004-42ef-8a27-cc1359bbbe8e/
SH256 hash:
b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3
MD5 hash:
61163a9b3febd6b69af13b15889783cd
SHA1 hash:
8074b6aa3235abdd74b297c49a6a2d9e125803cf
Link:
https://www.unpac.me/results/43318d0d-5004-42ef-8a27-cc1359bbbe8e/
Malware family:
njRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b1bdc2d76986/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
Link:
https://yomi.yoroi.company/submissions/b1bdc2d7698615f452b9719b25429d90e688878e5b01b08ad32a164e755493a3

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/184112/

Comments