MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e8e647de94da7bf73ce5c62e5bbe687692f5f783ca94f8337281fcca4e384d7. 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 2 File information Comments

SHA256 hash: 8e8e647de94da7bf73ce5c62e5bbe687692f5f783ca94f8337281fcca4e384d7
SHA3-384 hash: c1e7b5ef45d50658c12409fbe0e1957b0a4e97cf520a7b04e565cd06ed820c0da86c988a7fed5b0e5021383d379e8095
SHA1 hash: e4a704f1ea2746e225351da3d5950a27fd607430
MD5 hash: 8930d9c5e595826dded78ed9a88b1f41
humanhash: orange-romeo-east-table
File name:8930d9c5e595826dded78ed9a88b1f41.exe
Download: download sample
Signature njrat
File size:950'272 bytes
First seen:2021-07-27 15:30:29 UTC
Last seen:2021-07-27 16:49:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:iMlzTCbJBdBS4msNUCe65frHMnz2R94S4KsfiSe6+fsHMAbpz:1Mbbdo4mz1U8z2d4KBF/q
Threatray 39 similar samples on MalwareBazaar
TLSH T11715AD0427D88A6BF1FE57B6C0B392A1C3F1B461B92EDB8F5D8424EE1D1774099107AB
Reporter abuse_ch
Tags:exe NjRAT RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8930d9c5e595826dded78ed9a88b1f41.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 15:41:49 UTC
Tags:
trojan rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a file
Moving a recently created file
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Drops PE files to the user root directory
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 454898 Sample: d5HTlSkHd2.exe Startdate: 27/07/2021 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 5 other signatures 2->68 9 d5HTlSkHd2.exe 14 7 2->9         started        13 Payload.exe 4 2->13         started        process3 dnsIp4 52 bon.somee.com 155.254.244.38, 49686, 80 VUUUS United States 9->52 42 C:\extract\DotNetZip-hs1k1sjn.tmp, PE32 9->42 dropped 44 C:\Users\user\AppData\...\d5HTlSkHd2.exe.log, ASCII 9->44 dropped 15 test.exe 2 7 9->15         started        file5 process6 file7 46 C:\Users\user\Payload.exe, PE32 15->46 dropped 58 Uses cmd line tools excessively to alter registry or file data 15->58 60 Drops PE files to the user root directory 15->60 19 Payload.exe 4 7 15->19         started        24 attrib.exe 1 15->24         started        signatures8 process9 dnsIp10 48 alaindelon.sytes.net 41.96.67.232, 1969, 49704 ALGTEL-ASDZ Algeria 19->48 50 192.168.2.1 unknown unknown 19->50 40 C:\Users\user\AppData\...\tmp4580.tmp.exe, PE32 19->40 dropped 70 Antivirus detection for dropped file 19->70 72 Multi AV Scanner detection for dropped file 19->72 74 Machine Learning detection for dropped file 19->74 76 2 other signatures 19->76 26 tmp4580.tmp.exe 14 3 19->26         started        30 attrib.exe 1 19->30         started        32 attrib.exe 1 19->32         started        34 conhost.exe 24->34         started        file11 signatures12 process13 dnsIp14 54 149.154.167.220 TELEGRAMRU United Kingdom 26->54 56 raw.githubusercontent.com 185.199.109.133, 443, 49706 FASTLYUS Netherlands 26->56 78 Machine Learning detection for dropped file 26->78 80 Tries to harvest and steal browser information (history, passwords, etc) 26->80 36 conhost.exe 30->36         started        38 conhost.exe 32->38         started        signatures15 process16
Gathering data
Threat name:
Win32.Malware.Bulz
Status:
Malicious
First seen:
2021-07-26 15:11:45 UTC
AV detection:
5 of 46 (10.87%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence suricata
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Executes dropped EXE
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
8e8e647de94da7bf73ce5c62e5bbe687692f5f783ca94f8337281fcca4e384d7
MD5 hash:
8930d9c5e595826dded78ed9a88b1f41
SHA1 hash:
e4a704f1ea2746e225351da3d5950a27fd607430
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

njrat

Executable exe 8e8e647de94da7bf73ce5c62e5bbe687692f5f783ca94f8337281fcca4e384d7

(this sample)

  
Delivery method
Distributed via web download

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