MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20
SHA3-384 hash: b0588d642b712ae29b0f09dfae33157d6fbec358ddfdf5a0182c0eddd2ad5434c9607a271972019894912db3a5ba6f75
SHA1 hash: 4705a57ec50bb745776e4c4d545179f25f81e232
MD5 hash: 93d9f6451c4b9cbb00a2b16d34970196
humanhash: comet-pip-don-mountain
File name:t5R4RhtE.exe
Download: download sample
Signature njrat
Create hunting rule
File size:122'368 bytes
First seen:2020-10-30 02:47:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:j6jgYQc7k5pjtpHVsbGhBxlfxJ9ZJDBxtZxtFBRQB+5FRqT8IZaGBNuhdtJkiyJ/:mgC7RABXyuU
Threatray 5 similar samples on MalwareBazaar
TLSH C0C3098937E89D01E1FD0BBA1534B6120BB9BD572F53D39C1DE4A48E0E377808E19A63
Reporter pmelson
Tags:Coringa exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/81132/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Launching a process
Modifying an executable file
DNS request
Connection attempt
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun
Enabling autorun by creating a file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/516699
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 disable the Task Manager (.Net Source)
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Drops PE files with benign system names
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
Sigma detected: System File Execution Location Anomaly
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 307454 Sample: t5R4RhtE.exe Startdate: 30/10/2020 Architecture: WINDOWS Score: 100 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 12 other signatures 2->66 8 t5R4RhtE.exe 2 7 2->8         started        12 StUpdate.exe 3 2->12         started        14 explorer.exe 2->14         started        16 5 other processes 2->16 process3 file4 50 C:\Users\user\AppData\Local\...\explorer.exe, PE32 8->50 dropped 76 Drops PE files with benign system names 8->76 18 explorer.exe 4 7 8->18         started        78 Antivirus detection for dropped file 12->78 80 Multi AV Scanner detection for dropped file 12->80 82 Machine Learning detection for dropped file 12->82 52 C:\Users\user\...\Microsoft Corporation.exe, PE32 14->52 dropped 54 C:54otepad.exe, PE32 14->54 dropped 22 netsh.exe 14->22         started        56 C:\Users\user\AppData\Local\...\StUpdate.exe, PE32 16->56 dropped 24 netsh.exe 3 16->24         started        26 netsh.exe 3 16->26         started        28 schtasks.exe 1 16->28         started        30 schtasks.exe 1 16->30         started        signatures5 process6 dnsIp7 58 defaltdedroot.duckdns.org 141.255.150.147, 1177 IELOIELOMainNetworkFR France 18->58 68 Antivirus detection for dropped file 18->68 70 Multi AV Scanner detection for dropped file 18->70 72 Creates an undocumented autostart registry key 18->72 74 2 other signatures 18->74 32 netsh.exe 1 3 18->32         started        34 schtasks.exe 1 18->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        signatures8 process9 process10 46 conhost.exe 32->46         started        48 conhost.exe 34->48         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-30 02:49:05 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z22ljtbeontrsrtxtajz4kqnvtsbn2alwdvbi275e3clox5o5uqa._file
Verdict:
malicious
Similar samples:
2e8bf71c74ee4ab9870221bef7ab4285aa8a5cb5f0e0b11bff19a5bcb5033351
njrat
5bbd62c5547df4ee80f29e38406b0db7f94b4378c0d8ffe3f3a3d442c0680849
njrat
5cb1c07a56ce3bd1a4b3828f508c5aaba1aebd1dab0bd9566f41603481827876
njrat
6b07f1ed1f462483588f2c244391c5fd4b9802193479fe77de04382868a4bc23
njrat
6b861003033b84ab1b332417073bee2a0740478c1ee7fe93529a167f46262dfd
njrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201030-fvnwdmrlen/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Modifies Windows Firewall
Please note that we are no longer able to provide a coverage score for Virus Total.

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20

(this sample)

  
Link
https://www.virustotal.com/gui/file/ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/81132/

Comments