MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f45455780932616a1109057e76b4e6ad3444db6371405b96152379ac100767c. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f45455780932616a1109057e76b4e6ad3444db6371405b96152379ac100767c
SHA3-384 hash: 9e95c3701d4436eddf5ea2c14ea96d5cfff63a092c3b7d5dbe193655b7c3ef6d7d2f2d5cb29881ba797241f7ea1efbf0
SHA1 hash: 12d1b47f4d2a29b6ff6dcde5ff4599009544ab61
MD5 hash: f1ea04caa25a44e504c794dc0ac5872e
humanhash: comet-thirteen-whiskey-golf
File name:5f45455780932616a1109057e76b4e6ad3444db6371405b96152379ac100767c
Download: download sample
Signature njrat
Create hunting rule
File size:2'414'080 bytes
First seen:2020-07-29 07:11:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 49152:EL1FwTMNd9pCFS7T2gqVNslBRDWm860odKNbttVUu+N3ppe1XHEoIguk:EBFwW9p/2gqVClBR6p6fMNbh+N3pA0or
TLSH ECB51265B1F2C6C4D26B74F6CDA570F822C1AF88DE765E5F2C483E593030A5819B2E4E
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34311/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
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
Connection attempt to an infection source
Enabling autorun with Startup directory
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/401466
Signature
.NET source code references suspicious native API functions
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
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Protects its processes via BreakOnTermination flag
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: 252970 Sample: whHyF78cEP Startdate: 29/07/2020 Architecture: WINDOWS Score: 88 40 meliodas777.zapto.org 2->40 46 Malicious sample detected (through community Yara rule) 2->46 48 Yara detected Njrat 2->48 50 .NET source code references suspicious native API functions 2->50 52 4 other signatures 2->52 10 whHyF78cEP.exe 6 2->10         started        13 wuapihost.exe 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\Jfzdbvuebd.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\...\whHyF78cEP.exe.log, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\Iotefor.exe, PE32 10->36 dropped 15 Jfzdbvuebd.exe 1 3 10->15         started        19 Iotefor.exe 1 11 10->19         started        process6 file7 38 C:\Users\user\AppData\...behaviorgraphoogleUpdate.exe, PE32 15->38 dropped 44 Machine Learning detection for dropped file 15->44 21 GoogleUpdate.exe 4 3 15->21         started        signatures8 process9 dnsIp10 42 meliodas777.zapto.org 87.231.134.235, 1177, 49741, 49743 ASN-NUMERICABLEFR France 21->42 30 C:\...\9b80e0c45ca7512ebc11ff5e40eb87ca.exe, PE32 21->30 dropped 54 Protects its processes via BreakOnTermination flag 21->54 56 Machine Learning detection for dropped file 21->56 58 Creates autostart registry keys with suspicious names 21->58 60 Drops PE files to the startup folder 21->60 26 netsh.exe 3 21->26         started        file11 signatures12 process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f45455780932616a1109057e76b4e6ad3444db6371405b96152379ac100767c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 16:49:11 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5cukv4asmtbniiqsbl6o22onljuitnwg4kalolbki3zvqiaoz6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
trojan family:njrat evasion persistence
Link:
https://tria.ge/reports/200729-ja423keaj2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Modifies system certificate store
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Modifies service
Adds Run key to start application
JavaScript code in executable
Loads dropped DLL
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
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/5f45455780932616a1109057e76b4e6ad3444db6371405b96152379ac100767c

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/34311/

Comments