MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be. 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: 16


Intelligence 16 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
SHA3-384 hash: f42224736083345299be13ce49d55b354554d8f86a92bcdff3e1be1db85c46915867be1a8431a08567a1e4806557f835
SHA1 hash: cddae8889f6d197a4ddcacd8ef7bebefe2d2e71b
MD5 hash: 99aebf61811914bdbdb31555ea5fd429
humanhash: black-jersey-charlie-sink
File name:99AEBF61811914BDBDB31555EA5FD429.exe
Download: download sample
Signature njrat
Create hunting rule
File size:2'110'065 bytes
First seen:2024-01-25 11:40:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fa8d20faea9ef7b4e2b7fbfe93442593 (17 x RedLineStealer, 4 x CoinMiner, 3 x AgentTesla)
ssdeep 49152:qcbzASVVxBXJebaKXbAadfjOw7dcMjBHMki8NfAXY3G:qcbZjcbaebjLHCCs7UyY2
Threatray 198 similar samples on MalwareBazaar
TLSH T1E7A52326B6C1C971DA670D3622E187703778FD701B2547EB87486E6E8F3A1D09A38793
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:
3.121.139.82:16495

Intelligence

File Origin
# of uploads :
1
# of downloads :
416
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472879/
Detection(s):
Win.Dropper.njRAT-9986242-0
Create hunting rule

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

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Win.Packed.Bladabindi-10017056-0
Create hunting rule

Win.Malware.Zenpak-10017873-0
Create hunting rule

Win.Malware.Zusy-10017928-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for analyzing tools
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the Windows directory
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi fingerprint overlay packed
Link:
https://www.filescan.io/uploads/65b248d13b46cfd29c18d7da/reports/360867f0-b0ce-4130-a497-772adc5e826e/overview
Verdict:
Malicious
Labled as:
Trojan.Zenpak
Link:
https://www.hybrid-analysis.com/sample/d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
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.
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cc94091-1b25-48b2-bfee-481ed3afa197
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1381007
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
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 contains section with special chars
PE file has nameless sections
Sigma detected: Drops fake system file at system root drive
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 dnsIp2 2 Behavior Graph ID: 1381007 Sample: cwo43I80YB.exe Startdate: 25/01/2024 Architecture: WINDOWS Score: 100 58 4.tcp.eu.ngrok.io 2->58 66 Snort IDS alert for network traffic 2->66 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 13 other signatures 2->72 11 cwo43I80YB.exe 13 2->11         started        14 svchost.exe 3 2->14         started        17 svchost.exe 2 2->17         started        19 svchost.exe 2->19         started        signatures3 process4 file5 44 C:\Users\user\AppData\Local\Temp\4.exe, PE32 11->44 dropped 46 C:\Users\user\AppData\Local\Temp\search.py, Python 11->46 dropped 48 C:\Users\user\AppData\Local\Temp\main.py, Python 11->48 dropped 50 2 other malicious files 11->50 dropped 21 4.exe 9 11->21         started        86 Hides threads from debuggers 14->86 signatures6 process7 file8 38 C:\Users\user\...\sakura_protected.exe, PE32 21->38 dropped 40 C:\Users\user\AppData\Local\Temp\3.exe, PE32 21->40 dropped 74 Multi AV Scanner detection for dropped file 21->74 76 Machine Learning detection for dropped file 21->76 25 sakura_protected.exe 1 5 21->25         started        signatures9 process10 file11 42 C:\Windows\svchost.exe, PE32 25->42 dropped 78 Antivirus detection for dropped file 25->78 80 Multi AV Scanner detection for dropped file 25->80 82 Detected unpacking (changes PE section rights) 25->82 84 5 other signatures 25->84 29 svchost.exe 2 9 25->29         started        signatures12 process13 dnsIp14 60 18.198.77.177, 16495, 49736, 49738 AMAZON-02US United States 29->60 62 35.158.159.254, 16495, 49737 AMAZON-02US United States 29->62 64 4.tcp.eu.ngrok.io 52.28.112.211, 16495, 49729 AMAZON-02US United States 29->64 52 C:\svchost.exe, PE32 29->52 dropped 54 C:\...\325ed1ae2a47f27cdcc228f42fff7da3.exe, PE32 29->54 dropped 56 C:\autorun.inf, Microsoft 29->56 dropped 88 Antivirus detection for dropped file 29->88 90 System process connects to network (likely due to code injection or exploit) 29->90 92 Multi AV Scanner detection for dropped file 29->92 94 10 other signatures 29->94 34 netsh.exe 2 29->34         started        file15 signatures16 process17 process18 36 conhost.exe 34->36         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-01-21 20:59:36 UTC
File Type:
PE (Exe)
Extracted files:
116
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bas2cldz7onxevqlrhmgpxhinvgwpebr5ljfutyka4ocrqlyw7a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
110353c2ef6c654dac5d7f4ca57a6bd0e377c11a6576678ee605f03569d57bbf
njrat
1ad99a8ca9607f3cda07687c97a8b1b1f28229526b89064c7e232e94714288c5
njrat
3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9
njrat
6a6207965b2fd4f5f747f99a1d4b9688a141dbfd2683f6826505b0104d60c956
njrat
8f54b40666425ce85b4ff251e6e9b6d1942a069968b1b00935455c05b402c33d
njrat
a0fc35a4bf1bee6806e0321d05845a1415f0b2ac1def10d69ea8be587794e3cb
njrat
fd11715f74c03c006abf3d00ef802d9ed283ffa17ded36537b2d240757185fbc
njrat
+ 188 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/240125-ntewrsehe3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops autorun.inf file
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
ebe160919d1646d96694de6a38b7ac570f1827dedb163174bee9253a7475dd54
MD5 hash:
ecb25b8adf7f999fba6245d362153fdb
SHA1 hash:
b406b28ea8c548d9456704075f0eca1cae069d65
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/0404d46f-c5f8-4cb0-b70c-5e4c86a7c759/
Parent samples :
d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
ebe160919d1646d96694de6a38b7ac570f1827dedb163174bee9253a7475dd54
SH256 hash:
d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
MD5 hash:
99aebf61811914bdbdb31555ea5fd429
SHA1 hash:
cddae8889f6d197a4ddcacd8ef7bebefe2d2e71b
Link:
https://www.unpac.me/results/0404d46f-c5f8-4cb0-b70c-5e4c86a7c759/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d8412d0963cf/report/overview.html
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/d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be

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:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
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/472879/

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