MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48
SHA3-384 hash: faeee283641fe1ac406d771caf80a665cd194305e655045bbd900f70e25b555b99493d37e080a2271f432e8400c232da
SHA1 hash: c2996345f4a523932b12fe44da1107a4a343e1e6
MD5 hash: 6366285c2f5a32ad1e61dccc988c43c2
humanhash: arizona-fifteen-wyoming-don
File name:9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48
Download: download sample
Signature njrat
Create hunting rule
File size:698'880 bytes
First seen:2022-03-23 12:27:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 3072:10NR2tVaEYLUfh5+u/0a2HBrvyIBfn8+ux221Hl:1dacfh5+CJK+
TLSH T1F0E48C16461B20CEF2000F7717EA6EFE966FDBB2126E34B81594372F1FADC51A2405B6
File icon (PE):PE icon
dhash icon f8dc888898a898b8 (4 x njrat, 4 x AgentTesla, 2 x AsyncRAT)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/256625/
Detection(s):
Win.Packed.Msilperseus-9816598-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Gathering data
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/963379
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
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: 595863 Sample: 74R5P5RU9V Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 8 other signatures 2->37 8 74R5P5RU9V.exe 1 3 2->8         started        11 server.exe 1 2->11         started        13 server.exe 2->13         started        15 server.exe 2->15         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\server.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\...\74R5P5RU9V.exe.log, ASCII 8->27 dropped 17 server.exe 4 2 8->17         started        process5 dnsIp6 29 127.0.0.1 unknown unknown 17->29 39 Antivirus detection for dropped file 17->39 41 Multi AV Scanner detection for dropped file 17->41 43 Machine Learning detection for dropped file 17->43 45 3 other signatures 17->45 21 netsh.exe 3 17->21         started        signatures7 process8 process9 23 conhost.exe 21->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48/
Threat name:
ByteCode-MSIL.Trojan.RevengeRATDropper
Create hunting rule
Status:
Malicious
First seen:
2022-02-23 11:47:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tryzvks23ppyxkidvztbqp6lzxiqslwyww2pwlqqfgu2rpkcxnea._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/220323-pmx97saeaj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:5552
Unpacked files
SH256 hash:
05aea078a6655e5db71fffc5f011c61ff791bd6b8ede2bdd06747438f3ec6f15
MD5 hash:
ca1aeb4a9c3090abaca38930a4ceb758
SHA1 hash:
ec2357edace1faa8d92cb2d01a795964896362de
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/9f6c9f82-09d0-494d-b2ed-c54c69fc7bd1/
SH256 hash:
a2b98bda547740c7e0c40b82856354da0103ee63dde180307605cb085d9a609d
MD5 hash:
acaad304b6b2cbbfa8ef01f9d5edbaaf
SHA1 hash:
63e2a4f57f7b3440e7467963041117a8d4e7b3fb
Link:
https://www.unpac.me/results/9f6c9f82-09d0-494d-b2ed-c54c69fc7bd1/
SH256 hash:
9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48
MD5 hash:
6366285c2f5a32ad1e61dccc988c43c2
SHA1 hash:
c2996345f4a523932b12fe44da1107a4a343e1e6
Link:
https://www.unpac.me/results/9f6c9f82-09d0-494d-b2ed-c54c69fc7bd1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.83
Link:
https://yomi.yoroi.company/submissions/9c719aaa5adbdf8ba903ae66183fcbcdd1092ed8b5b4fb2e1029a9a8bd42bb48

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
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/256625/

Comments