MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed
SHA3-384 hash: 86507bdda8c1a68186083d4e5564bf48cf582ea635e72ca5bcd48d68ea921c273fbc8453a56ceda279b3ff587d6aea76
SHA1 hash: 8040b76949e624f612ffa97a32368e10a88ef7be
MD5 hash: d6850924c701c4d41c467a248ed919c9
humanhash: high-undress-stairway-autumn
File name:d6850924c701c4d41c467a248ed919c9.exe
Download: download sample
Signature njrat
Create hunting rule
File size:356'352 bytes
First seen:2021-02-17 06:58:08 UTC
Last seen:2021-02-17 08:28:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:vy6WJxDMAYloj1/L8YEAQwgG5htPWtB+2gfBy:61DMAzjN4YEAFziB1
Threatray 13 similar samples on MalwareBazaar
TLSH 4D74AE5026ED5862C37E073900B85315B7B87193A6ACE21C7B1E71D86DF6663AF23336
Reporter abuse_ch
Tags:exe NjRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/117500/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Trojan.fc.22741.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending a UDP request
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/609870
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Writes to foreign memory regions
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-02-17 06:59:06 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jczjg6p5qwtjhibbstufxqpemw56ouqv2jgsu7kwjxw34mnqflwq._file
Verdict:
malicious
Similar samples:
03a38eeb5667a804d66732f0939c0ee4e4d7679cf64b1cd38675fdae051580f0
njrat
0820ffc8c51cbdef8773f5455348cb85bf9fd42c2f872bc0909734accbf27c13
njrat
098e9e30726c0194c3e82283bf2cd2d7addd6902c32a813781cea354e31602b5
njrat
55afd32f3a73b4a8ae46a4d5f1fee40ec672c3ab20bf0c040fd631974bae1925
njrat
5bbd62c5547df4ee80f29e38406b0db7f94b4378c0d8ffe3f3a3d442c0680849
njrat
5cb1c07a56ce3bd1a4b3828f508c5aaba1aebd1dab0bd9566f41603481827876
njrat
6b861003033b84ab1b332417073bee2a0740478c1ee7fe93529a167f46262dfd
njrat
87c4eaa0bd2c47960898cd39d92784c1aae78c2bd56562d1f67797eeab185f8e
njrat
ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20
njrat
da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547
njrat
+ 3 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
agilenet
Link:
https://tria.ge/reports/210217-zxe3y2ntpx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Unpacked files
SH256 hash:
48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed
MD5 hash:
d6850924c701c4d41c467a248ed919c9
SHA1 hash:
8040b76949e624f612ffa97a32368e10a88ef7be
Link:
https://www.unpac.me/results/06245dbc-0dd3-4d56-b355-37230a0af3fc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed

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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

njrat

Executable exe 48b29379fd85a693a02194e85bc1e465bbe75215d24d2a7d564dedbe31b02aed

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1012890/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/117500/

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