MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d
SHA3-384 hash: a17a05c196115ca85c962a2e3b02349b2782ecbea26c30f0062034441e9bd7ff38a80affed3127e571b9e4f876d029d9
SHA1 hash: ebab6371942d456802455c8260431a4e858a956d
MD5 hash: 8044dfb28288e0ed691b03d67f8a4dcb
humanhash: wolfram-three-failed-idaho
File name:8044dfb28288e0ed691b03d67f8a4dcb.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'590'121 bytes
First seen:2023-03-14 11:15:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91e96141ed5dbe3bc541c8aad7ff3c38 (22 x CryptOne, 7 x njrat, 5 x DCRat)
ssdeep 49152:PllLX+3bNw8HQhtR5T8SWVai/hAYFL+JXco:PllLO3pwJht/8faYFyMo
Threatray 5 similar samples on MalwareBazaar
TLSH T161752335FDC08472C5560C711AE49BB1A73C7E202B664ED7D78C6F7E8A241D0AA363A7
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.125.223.134:10202

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
8044dfb28288e0ed691b03d67f8a4dcb.exe
Verdict:
Malicious activity
Analysis date:
2023-03-14 11:18:06 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/f5791068-c6e9-4246-9f0f-bf21ff3ff636

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/374222/
Detection(s):
Win.Dropper.njRAT-9986242-0
Create hunting rule

Win.Dropper.Nanocore-9986456-0
Create hunting rule

SecuriteInfo.com.Variant.Fugrafa.267521.30514.22927.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Searching for analyzing tools
Enabling the 'hidden' option for files in the %temp% directory
Creating a file
Creating a process with a hidden window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a window
Launching the process to change the firewall settings
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/73085/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi enigma greyware njrat overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6410577306c49bd8b6b5af83/reports/9b6eb81b-6021-47b9-a9d4-bb17582c51ab/overview
Verdict:
Malicious
Labled as:
Fugrafa.Generic
Link:
https://www.hybrid-analysis.com/sample/8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/818db01c-e919-40be-ad55-5091eebdc191
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193233
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for dropped file
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
PE file has nameless sections
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (window names)
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: 826134 Sample: qgS40jk08T.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 4 other signatures 2->54 10 qgS40jk08T.exe 3 9 2->10         started        process3 file4 36 C:\Users\user\...\Server1_protected.sfx.exe, PE32 10->36 dropped 13 Server1_protected.sfx.exe 8 10->13         started        17 AcroRd32.exe 37 10->17         started        process5 dnsIp6 38 C:\Users\user\...\Server1_protected.exe, PE32 13->38 dropped 72 Multi AV Scanner detection for dropped file 13->72 74 Machine Learning detection for dropped file 13->74 20 Server1_protected.exe 1 5 13->20         started        40 192.168.2.1 unknown unknown 17->40 24 RdrCEF.exe 44 17->24         started        file7 signatures8 process9 file10 34 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 20->34 dropped 56 Antivirus detection for dropped file 20->56 58 Multi AV Scanner detection for dropped file 20->58 60 Detected unpacking (changes PE section rights) 20->60 62 3 other signatures 20->62 26 Server.exe 4 20->26         started        signatures11 process12 dnsIp13 42 0.tcp.eu.ngrok.io 18.158.249.75, 10202, 49699, 49703 AMAZON-02US United States 26->42 44 3.124.142.205, 10202, 49704 AMAZON-02US United States 26->44 46 3.125.102.39, 10202, 49702 AMAZON-02US United States 26->46 64 Antivirus detection for dropped file 26->64 66 Multi AV Scanner detection for dropped file 26->66 68 Detected unpacking (changes PE section rights) 26->68 70 5 other signatures 26->70 30 netsh.exe 26->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 01:13:25 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5klibtgijooqw2p6ji6n2nw2gkcubuzncy3acjvivoalnacym6q._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
5a340b541d57c2b36a5d87b207952251287e22f9c76ef73ce138c30f67e7014e
njrat
9105c5879befeefcedb998f4cb67272e92ccab0756da5a1cfdf3f46421417d67
njrat
da2630dccf5901a34f9d3f02aa46cc5ccc8b77fce73e01daff853476e47d7f55
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion trojan
Link:
https://tria.ge/reports/230314-nc45bsfa82/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d
MD5 hash:
8044dfb28288e0ed691b03d67f8a4dcb
SHA1 hash:
ebab6371942d456802455c8260431a4e858a956d
Link:
https://www.unpac.me/results/4f9530ff-9f90-4ab8-8b8c-5781455bed81/
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/8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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:Detects win.smominru.

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/374222/

Comments