MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192
SHA3-384 hash: 293f1ea6c33686dee5b493759a22fd921d6f59780aacccffc79685b1e2dd91d36545d1cf8f008340112f4e20997e3021
SHA1 hash: c2e1dc55bc33d1936dabf0065c4eb54e00468b4c
MD5 hash: bb6afcf1482227e3f4f3ca35f6d12442
humanhash: colorado-mobile-equal-xray
File name:cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192
Download: download sample
Signature njrat
Create hunting rule
File size:1'602'398 bytes
First seen:2021-02-28 07:24:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:GHLmCiIhZzvi+2XzBPDHivBLma8dS4sy1zzpAODuQTw5Z8fYc5G8H7zry:LyrirxiFZ8dS4sy/BDukwfc5Goy
Threatray 2 similar samples on MalwareBazaar
TLSH 57751241F4848DF1C47166753A14FEB66A7A6C2C0B25468FE3E82C1B767E19333266E3
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
684
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
csgoExtrime.exe
Verdict:
Malicious activity
Analysis date:
2021-02-26 22:14:28 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/25dc22b4-b885-43eb-9e8b-b83dec1b54f9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119957/
Detection(s):
SecuriteInfo.com.BackDoor.SiggenNET.5.27436.8753.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Sending a UDP request
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Enabling the 'hidden' option for files in the %temp% directory
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling a "Do not show hidden files" option
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
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.
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620801
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Hides threads from debuggers
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359394 Sample: iPIAUBJe5E Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 12 other signatures 2->50 9 iPIAUBJe5E.exe 9 2->9         started        12 Antivirus.exe 3 2->12         started        15 Antivirus.exe 2 2->15         started        17 Antivirus.exe 2 2->17         started        process3 file4 36 C:\Users\user\AppData\...\samp logs 21_.exe, PE32 9->36 dropped 19 samp logs 21_.exe 3 7 9->19         started        62 Hides threads from debuggers 12->62 signatures5 process6 file7 32 C:\Users\user\AppData\Local\...\Antivirus.exe, PE32 19->32 dropped 52 Hides threads from debuggers 19->52 23 Antivirus.exe 4 5 19->23         started        signatures8 process9 dnsIp10 38 2.tcp.ngrok.io 3.131.207.170, 12355, 49735, 49741 AMAZON-02US United States 23->38 40 13.59.15.185, 12355, 49742 AMAZON-02US United States 23->40 42 3 other IPs or domains 23->42 34 C:\...\f93ea7b29690b6145eb7191cf6c93ab4.exe, PE32 23->34 dropped 54 Multi AV Scanner detection for dropped file 23->54 56 Detected unpacking (changes PE section rights) 23->56 58 Detected unpacking (overwrites its own PE header) 23->58 60 5 other signatures 23->60 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/cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 10:24:59 UTC
AV detection:
18 of 48 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ztushwmgcuhgrw5swfug6tftv5tfwlkhhvtce3ra4divbhiewgja._file
Verdict:
malicious
Similar samples:
4824693d37ee0c444b89e21a2ae1cba396927f299e88751759635b2795c1bc96
njrat
9cda5e5ad6ca68a803516013fbf62e6b06383b20fccf1ee6aed4730c916a3b55
njrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/210228-td8jrvs8y6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192
MD5 hash:
bb6afcf1482227e3f4f3ca35f6d12442
SHA1 hash:
c2e1dc55bc33d1936dabf0065c4eb54e00468b4c
Link:
https://www.unpac.me/results/86d9caea-ee17-4f1f-830b-e027689ffe7a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Enigma
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cce923d986150e68dbb2b1686f4cb3af665b2d473d66226e20e0d1509d04b192

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/119957/

Comments