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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
SHA3-384 hash: b04479d8ecc69b5ba5a38e8f122d7508833f183016c7285e47d5928c91a3418c9d5028f5f85c97491b359412db7e702d
SHA1 hash: 43c884250ed032ced44d72d932518e831a34161d
MD5 hash: 97d72efbb1f6fea3f158b136c330689d
humanhash: ack-quebec-black-skylark
File name:97d72efbb1f6fea3f158b136c330689d
Download: download sample
Signature njrat
Create hunting rule
File size:68'951 bytes
First seen:2024-05-02 03:59:26 UTC
Last seen:2024-05-02 04:14:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'294 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 1536:uuKlhoxbyGiiKkTvTiCUU8b+a1fJ3l4fLU2cjdFZPvf9G95T8KCc4:NKOyGxKIiCV8aa1fJV4zMF54ra
TLSH T121630246E7E4D32CC0648F774BC5839B0A28C79453B70F172DF868826D576525AA73E2
TrID 52.9% (.EXE) Win32 Executable (generic) (4504/4/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 2dd1d333246d1967 (1 x njrat)
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
405
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Verdict:
Malicious activity
Analysis date:
2024-05-02 04:02:45 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/381f84e5-f7e6-4ccb-8814-8849cf2746d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.5573.24580.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Query of malicious DNS domain
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm bladabindi cmd explorer hacktool lolbin obfuscated overlay packed rundll32 schtasks
Link:
https://www.filescan.io/uploads/66330fc2ddaf2da10306ef97/reports/5e354419-8c74-46b9-b77c-3e9d53a5e78b/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/90a3db95-e51c-4dd2-a72c-6a082e3dff73
Result
Threat name:
Njrat
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Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1435109
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Disables Windows Defender (via service or powershell)
Disables zone checking for all users
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1435109 Sample: G1lnGpOLK4.exe Startdate: 02/05/2024 Architecture: WINDOWS Score: 100 46 pastebin.com 2->46 48 0.tcp.eu.ngrok.io 2->48 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 70 11 other signatures 2->70 9 G1lnGpOLK4.exe 17 4 2->9         started        13 chrome.exe 1 2->13         started        signatures3 68 Connects to a pastebin service (likely for C&C) 46->68 process4 dnsIp5 52 0.tcp.eu.ngrok.io 18.192.31.165, 15155, 49749, 49754 AMAZON-02US United States 9->52 54 pastebin.com 104.20.3.235, 443, 49745, 49753 CLOUDFLARENETUS United States 9->54 56 3.124.142.205, 15155, 49777, 49779 AMAZON-02US United States 9->56 72 Disables zone checking for all users 9->72 74 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->74 76 Modifies Windows Defender protection settings 9->76 78 Disables Windows Defender (via service or powershell) 9->78 15 cmd.exe 1 9->15         started        18 cmd.exe 1 9->18         started        20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        58 192.168.2.4, 138, 15155, 443 unknown unknown 13->58 60 239.255.255.250 unknown Reserved 13->60 24 chrome.exe 13->24         started        signatures6 process7 dnsIp8 82 Modifies Windows Defender protection settings 15->82 84 Disables Windows Defender (via service or powershell) 15->84 27 powershell.exe 23 15->27         started        30 conhost.exe 15->30         started        32 conhost.exe 18->32         started        34 sc.exe 1 18->34         started        36 conhost.exe 20->36         started        38 sc.exe 1 20->38         started        40 conhost.exe 22->40         started        42 sc.exe 1 22->42         started        50 www.google.com 142.251.40.228, 443, 49733, 49734 GOOGLEUS United States 24->50 signatures9 process10 signatures11 80 Loading BitLocker PowerShell Module 27->80 44 WmiPrvSE.exe 27->44         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 18:28:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f74rggp3zqbotxl5qdrb6x37jdqk4jfztinsmys5grfljajpg7ca._file
Verdict:
malicious
Label(s):
njrat
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Result
Malware family:
njrat
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Score:
  10/10
Tags:
family:njrat botnet:victim evasion trojan
Link:
https://tria.ge/reports/240502-ekmqksgc6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Launches sc.exe
Legitimate hosting services abused for malware hosting/C2
Stops running service(s)
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:18350
Unpacked files
SH256 hash:
ffd261607697a47a8cb61909f8a14f54dfe138668fb7b89cc1129d5f314a6fe1
MD5 hash:
398faf4c89936db088a823abf70227f2
SHA1 hash:
3927c14298f64cb90db5fb239137083bd64a184b
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Njrat
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Andromeda_MalBot_Jun_1A
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
CN_disclosed_20180208_c
Create hunting rule
Unknown_Malware_Sample_Jul17_2
Create hunting rule
MAL_Winnti_Sample_May18_1
Create hunting rule
Link:
https://www.unpac.me/results/d5dab506-89d0-46ef-bb42-23796b1a3a7d/
SH256 hash:
2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
MD5 hash:
97d72efbb1f6fea3f158b136c330689d
SHA1 hash:
43c884250ed032ced44d72d932518e831a34161d
Link:
https://www.unpac.me/results/d5dab506-89d0-46ef-bb42-23796b1a3a7d/
Malware family:
RevengeRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ff91319fbcc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4

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:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule

File information

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

Web download

njrat

Executable exe 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4

(this sample)

  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-05-02 03:59:27 UTC

url : hxxps://loader.oxy.st/get/e5433cad6e99dcbffcb19fe8a2ead3fe/Xile_Client.exe