MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7. 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: b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
SHA3-384 hash: 0931e46b8f214d4a6bde3e116292c39d99086d83c68fe96100fdf1dddacee31c275585a000f2b1582bbcf44f07f78b6b
SHA1 hash: 37df601266d4e8757c0018e091838378514524e5
MD5 hash: ad58b25945745c24819493a24b4eb139
humanhash: mobile-bacon-football-mockingbird
File name:AD58B25945745C24819493A24B4EB139.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'936'707 bytes
First seen:2024-01-25 17:15:08 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:qcbzAQvx5odIOhfAizfT0WTb+w7jVViMpbG90dkw:qcbfSdIKf7LdOE2We0n
TLSH T1A1952322BAC1C971D9571C3623E187703778FD701B2547EB974C6E6D8F3A1D0AA286A3
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 :
398
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-25 11:41:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5d15ba9-e5fc-402d-83a4-1eef4b7b878a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472919/
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
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
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 threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi fingerprint njrat overlay packed
Link:
https://www.filescan.io/uploads/65b297531dcf0cd5447291d2/reports/8d62a21b-07a3-4221-8c4a-3d829368d580/overview
Verdict:
Malicious
Labled as:
Trojan.Zenpak
Link:
https://www.hybrid-analysis.com/sample/b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
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/486bcf7a-2b2f-4d67-a0f7-503f6b958501
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1381240
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 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: 1381240 Sample: SVgdyXsUzb.exe Startdate: 25/01/2024 Architecture: WINDOWS Score: 100 49 4.tcp.eu.ngrok.io 2->49 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 12 other signatures 2->63 10 SVgdyXsUzb.exe 14 2->10         started        13 svchost.exe 3 2->13         started        16 svchost.exe 2 2->16         started        18 svchost.exe 2 2->18         started        signatures3 process4 file5 41 C:\Users\user\...\sakura_protected.exe, PE32 10->41 dropped 43 C:\Users\user\AppData\Local\Temp\3.exe, PE32 10->43 dropped 45 C:\Users\user\AppData\Local\Temp\search.py, Python 10->45 dropped 47 3 other malicious files 10->47 dropped 20 sakura_protected.exe 1 5 10->20         started        81 Hides threads from debuggers 13->81 signatures6 process7 file8 33 C:\Windows\svchost.exe, PE32 20->33 dropped 65 Antivirus detection for dropped file 20->65 67 Multi AV Scanner detection for dropped file 20->67 69 Detected unpacking (changes PE section rights) 20->69 71 5 other signatures 20->71 24 svchost.exe 2 9 20->24         started        signatures9 process10 dnsIp11 51 4.tcp.eu.ngrok.io 18.198.77.177, 16495, 49729 AMAZON-02US United States 24->51 53 3.127.253.86, 16495, 49736, 49737 AMAZON-02US United States 24->53 55 52.28.112.211, 16495, 49738 AMAZON-02US United States 24->55 35 C:\svchost.exe, PE32 24->35 dropped 37 C:\...\325ed1ae2a47f27cdcc228f42fff7da3.exe, PE32 24->37 dropped 39 C:\autorun.inf, Microsoft 24->39 dropped 73 Antivirus detection for dropped file 24->73 75 System process connects to network (likely due to code injection or exploit) 24->75 77 Multi AV Scanner detection for dropped file 24->77 79 10 other signatures 24->79 29 netsh.exe 2 24->29         started        file12 signatures13 process14 process15 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-01-21 20:58:07 UTC
File Type:
PE (Exe)
Extracted files:
93
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgxvsek27hflb3dlcfp7kommtf4723tdwfrnfqy3saclyc554l3q._file
Verdict:
malicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:kinsing family:njrat evasion loader persistence trojan
Link:
https://tria.ge/reports/240125-vs5jcscchn/
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
Kinsing
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/7919af9e-20e5-4e8c-a4f7-e00bba2301b9/
Parent samples :
d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be
b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
ebe160919d1646d96694de6a38b7ac570f1827dedb163174bee9253a7475dd54
SH256 hash:
b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7
MD5 hash:
ad58b25945745c24819493a24b4eb139
SHA1 hash:
37df601266d4e8757c0018e091838378514524e5
Link:
https://www.unpac.me/results/7919af9e-20e5-4e8c-a4f7-e00bba2301b9/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1af59115af9/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/b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7

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/472919/

Comments