MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c
SHA3-384 hash: e61dc99e7c74809d5ee9d3773650e8a02baffbe7e68e525ea12025a8974a797343679b325756a990dabd39ccc7235197
SHA1 hash: 4d6085c6b2c8d2f33f837d68bc8bee0eed1e48b7
MD5 hash: dff4dc6bba5c7ee0b6f5dc5952719bd7
humanhash: magazine-earth-wyoming-triple
File name:PDF FILE.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'080'832 bytes
First seen:2023-09-13 16:35:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'862 x AgentTesla, 19'794 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 12288:Nq8RG2iNkLNo2+jgC/9scsQVAfLS43gWXd/bbnkLC8jL60QmwXMr6j8vF:NqqG1C7+ZOTQmzdbTke8NQmwc6g
Threatray 696 similar samples on MalwareBazaar
TLSH T10F355CF1A150C9DAEA6B06F66D2B943014937E9D54B4810C66BD7B162EF3343209FE1F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon eeacac8cb6e2ba86 (579 x SnakeKeylogger, 143 x AgentTesla, 44 x Formbook)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
185.94.29.109:1111

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
PDF FILE.exe
Verdict:
Malicious activity
Analysis date:
2023-09-13 16:37:50 UTC
Tags:
njrat
Link:
https://app.any.run/tasks/e67069a8-58ed-448e-8682-94ac6d9a9451

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/448465/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6501e4f3985359c839074637/reports/89ab7b27-0c9c-4775-be8a-72c4bb6d84d0/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c
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:
Unknown
Link:
https://analyze.intezer.com/analyses/cd2e268f-db75-48c3-8fcc-fbc8637dad2a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1307963
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Drops PE files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Yara detected AntiVM3
Yara detected Njrat
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1307963 Sample: PDF_FILE.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 13 other signatures 2->74 10 PDF_FILE.exe 3 2->10         started        13 Payload.exe 2 2->13         started        15 Payload.exe 2->15         started        17 Windows.exe 2->17         started        process3 signatures4 86 Uses cmd line tools excessively to alter registry or file data 10->86 88 Injects a PE file into a foreign processes 10->88 19 PDF_FILE.exe 2 4 10->19         started        23 PDF_FILE.exe 10->23         started        25 Payload.exe 13->25         started        27 Payload.exe 15->27         started        29 Windows.exe 17->29         started        31 Windows.exe 17->31         started        33 Windows.exe 17->33         started        process5 file6 58 C:\Users\user\AppData\Local\...\Payload.exe, PE32 19->58 dropped 84 Uses cmd line tools excessively to alter registry or file data 19->84 35 Payload.exe 3 19->35         started        38 attrib.exe 1 19->38         started        signatures7 process8 signatures9 76 Antivirus detection for dropped file 35->76 78 Multi AV Scanner detection for dropped file 35->78 80 Machine Learning detection for dropped file 35->80 82 3 other signatures 35->82 40 Payload.exe 21 5 35->40         started        45 conhost.exe 38->45         started        process10 dnsIp11 64 185.94.29.109, 1111, 49726, 49736 SLINCUS United Kingdom 40->64 66 discord.com 162.159.128.233, 443, 49723 CLOUDFLARENETUS United States 40->66 60 C:\Users\user\AppData\Roaming\...\Windows.exe, PE32 40->60 dropped 62 C:\Users\user\AppData\Local\Temp\SQL.exe, PE32 40->62 dropped 90 Uses cmd line tools excessively to alter registry or file data 40->90 92 Creates multiple autostart registry keys 40->92 47 SQL.exe 40->47         started        50 attrib.exe 40->50         started        52 attrib.exe 40->52         started        file12 signatures13 process14 signatures15 94 Multi AV Scanner detection for dropped file 47->94 96 Tries to harvest and steal browser information (history, passwords, etc) 47->96 54 conhost.exe 50->54         started        56 conhost.exe 52->56         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-09-13 16:36:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w67gwwyz3auk6tkhcqb46qraq4qpgja5yqdiovjqxrwxvbsssi6a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
5820ec12784630d61e498b8332b9f71be97db4d13d49ac1f818e3b88a48193e1
njrat
63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a
njrat
8454dbda35354737c7f1162466738d7077c0a9af21e93c2e49c2d7a8d5084647
njrat
87f4a4c323f26710b7acdc123173fa63f4ccb4f3c8239dfaa489ee69ab89f7cc
njrat
8c9d614da4ea17f4261a105adbe73992c0df1f5639310f78db244fdf3fe338fe
njrat
a4c035de8a4edb11a8cfaef2f2f8326d8909578cf9d5a5534edd4eb9d5a50680
njrat
aa96c41edf3b9a54f597623dfae536b759c71736f986635b3e483f04ce64c099
njrat
cc902803f8374f3f386b3537b86202b2f3c5557e9df541128a7b333c1db75f46
njrat
d7448da27fa5cbe7df2df781ef5763cdcbb31f6e99d756a03fb1ff577e7043a2
njrat
eea1286b7f160f458a376a7c640b076ac424fa2bdeb8460488715f8989152de2
njrat
+ 686 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked persistence trojan
Link:
https://tria.ge/reports/230913-t38hbsde7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
njRAT/Bladabindi
Malware Config
C2 Extraction:
185.94.29.109:1111
Unpacked files
SH256 hash:
0f6ada2e3dd65e94a91f8472517d2530a39d452d5d5496754dc07400ef9b7044
MD5 hash:
a5da31cd190d975ce8c395fcda76b3b7
SHA1 hash:
b918503a9862f1719df5b82209c504ba71a9801e
Link:
https://www.unpac.me/results/ab5fb0e4-4517-4ad6-ba46-c62425524910/
SH256 hash:
a4999c506a8154c79d88167ec5f7675e663f5bcbed431ba317439e02bf8c8877
MD5 hash:
f806163a1cef4e9601d1614b77e10d84
SHA1 hash:
4e5c76063030d77c9c91ea2941e1a61e9faf53b0
Link:
https://www.unpac.me/results/ab5fb0e4-4517-4ad6-ba46-c62425524910/
SH256 hash:
dcd76d8eeb4f5b02d2a760e657d22bff35a0abc02fbe479109d10b0d02786690
MD5 hash:
f0e3a86475b32b0eb73758d22b2b4bb1
SHA1 hash:
3f0bbdfe9406f829c01a8ebc4a82fab72afb75a3
Link:
https://www.unpac.me/results/ab5fb0e4-4517-4ad6-ba46-c62425524910/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/ab5fb0e4-4517-4ad6-ba46-c62425524910/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c
MD5 hash:
dff4dc6bba5c7ee0b6f5dc5952719bd7
SHA1 hash:
4d6085c6b2c8d2f33f837d68bc8bee0eed1e48b7
Link:
https://www.unpac.me/results/ab5fb0e4-4517-4ad6-ba46-c62425524910/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/b7be6b5b19d828af4d471403cf42208720f3241dc406875530bc6d7a8652923c

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
Create hunting rule
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

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/448465/

Comments