MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547. 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: da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547
SHA3-384 hash: d9e4ef3bdd410678f03197b90fd9efd9c0e49f1202f5e1186f28bd0687fdb820c79d3a58d770f3ca0439d2dc70a4055f
SHA1 hash: 673b7d1e014cec5df009ad5d150552fded985adc
MD5 hash: b896f63a3a842e2ca679f8f85c182a56
humanhash: louisiana-black-chicken-six
File name:b896f63a3a842e2ca679f8f85c182a56.exe
Download: download sample
Signature njrat
Create hunting rule
File size:357'376 bytes
First seen:2021-02-17 06:32:14 UTC
Last seen:2021-02-17 08:28:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:s62wlxDMAYloj1/L8YEAQwgG5hYPcR4RcpsPuwe:PvDMAzjN4YEAFaWOcpsP
Threatray 12 similar samples on MalwareBazaar
TLSH 91749E5016ED5862C37E073901B85314BBB8B1A396ACE31C7B1E71945DF6663AF23336
Reporter abuse_ch
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://www.zhuoxinwei.com/work.exe
Verdict:
Malicious activity
Analysis date:
2021-02-17 08:51:55 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/081e00ff-b3ad-45f1-b81f-4d7eed901d72

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/117475/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Trojan.fc.18207.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file
Searching for the window
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching the process to change the firewall settings
Result
Verdict:
UNKNOWN
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.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/609818
Signature
.NET source code contains potential unpacker
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)
Modifies the windows firewall
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353932 Sample: Dcm3xeP6Z9.exe Startdate: 17/02/2021 Architecture: WINDOWS Score: 76 36 Malicious sample detected (through community Yara rule) 2->36 38 Yara detected Njrat 2->38 40 .NET source code contains potential unpacker 2->40 42 2 other signatures 2->42 10 Dcm3xeP6Z9.exe 15 3 2->10         started        process3 signatures4 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->44 46 Injects a PE file into a foreign processes 10->46 13 Dcm3xeP6Z9.exe 2 3 10->13         started        process5 dnsIp6 30 192.168.2.1 unknown unknown 13->30 26 C:\Users\user\AppData\...\UpdateGoogle.exe, PE32 13->26 dropped 28 C:\Users\...\UpdateGoogle.exe:Zone.Identifier, ASCII 13->28 dropped 17 UpdateGoogle.exe 14 3 13->17         started        file7 process8 signatures9 32 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->32 34 Injects a PE file into a foreign processes 17->34 20 UpdateGoogle.exe 17->20         started        process10 process11 22 netsh.exe 1 3 20->22         started        process12 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-17 06:33:07 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ixsqbtge3csgndh6xh75osmo4f3dywuucvxbui53zbakgvuuvdq._file
Verdict:
malicious
Similar samples:
02745579013f2412cbf9a8dddac01169ea93b8a0cd9d253189ee30bcccbadb72
njrat
03a38eeb5667a804d66732f0939c0ee4e4d7679cf64b1cd38675fdae051580f0
njrat
0820ffc8c51cbdef8773f5455348cb85bf9fd42c2f872bc0909734accbf27c13
njrat
098e9e30726c0194c3e82283bf2cd2d7addd6902c32a813781cea354e31602b5
njrat
55afd32f3a73b4a8ae46a4d5f1fee40ec672c3ab20bf0c040fd631974bae1925
njrat
5bbd62c5547df4ee80f29e38406b0db7f94b4378c0d8ffe3f3a3d442c0680849
njrat
5cb1c07a56ce3bd1a4b3828f508c5aaba1aebd1dab0bd9566f41603481827876
njrat
6b861003033b84ab1b332417073bee2a0740478c1ee7fe93529a167f46262dfd
njrat
87c4eaa0bd2c47960898cd39d92784c1aae78c2bd56562d1f67797eeab185f8e
njrat
ceb4b4cc24736719467798139e2a0dace416e80bb0ea146bfd26c4b75faeed20
njrat
+ 2 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
agilenet evasion persistence
Link:
https://tria.ge/reports/210217-xlhe5c7vex/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547
MD5 hash:
b896f63a3a842e2ca679f8f85c182a56
SHA1 hash:
673b7d1e014cec5df009ad5d150552fded985adc
Link:
https://www.unpac.me/results/a91d3336-f761-4502-836d-efb4f6724cb2/
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/da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547

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 da2f28066626c5233467f5cffeba4c770bb1e2d4a0ab70d11dde42051ab4a547

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1012890/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/117475/

Comments