MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe
SHA3-384 hash: 623620f6b7fa4112adf96b950d6d54d4eb911279fe8135e1e5310db3db99f26a3c20291000ba80539b2cb6fad0614009
SHA1 hash: adb19b57f1e8cd7c4a18b8373234ff5454fc8630
MD5 hash: 50dbbf3442b326e742a54e46c9519cac
humanhash: october-emma-robin-north
File name:50dbbf3442b326e742a54e46c9519cac.exe
Download: download sample
Signature njrat
Create hunting rule
File size:413'696 bytes
First seen:2022-11-11 20:25:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:lZlI+MkJVWwhDeHzsvWa4+6h+j+SNQssssssssss:l3FbNhDeHzsvWaD+SNQssssssssss
Threatray 1'808 similar samples on MalwareBazaar
TLSH T1C794947465E9118CF37B9B340BE8656E87E9EC739305E2B93E5132860A72E81CC53736
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 74f4c4e4e4e4e4e4 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
145.82.5.58:8888

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/332611/
Detection(s):
Win.Dropper.Zusy-7619646-0
Create hunting rule

PUA.Win.Packer.NETCrypter-6309687-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Launching a process
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi packed packed zusy
Link:
https://www.filescan.io/uploads/636eafdb37a53af3a7f5697d/reports/55ed27cf-bf27-4ca4-aacb-157ec5ca85f4/overview
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c37c810-49c4-4fb2-a0fe-60cce8ee3fe9
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1111530
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744226 Sample: 6jkQazi2TD.exe Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 8 6jkQazi2TD.exe 3 7 2->8         started        process3 file4 32 C:\Users\user\AppData\LocaldFMGCqZJEe.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\...\6jkQazi2TD.exe.log, ASCII 8->34 dropped 11 LocaldFMGCqZJEe.exe 1 5 8->11         started        15 notepad.exe 8->15         started        process5 dnsIp6 36 azurehosting.ddns.net 145.82.5.58, 49699, 8888 SURFNET-NLSURFnetTheNetherlandsNL Saudi Arabia 11->36 48 Antivirus detection for dropped file 11->48 50 Multi AV Scanner detection for dropped file 11->50 52 Protects its processes via BreakOnTermination flag 11->52 54 3 other signatures 11->54 17 cmd.exe 1 11->17         started        20 netsh.exe 3 11->20         started        22 netsh.exe 3 11->22         started        signatures7 process8 signatures9 38 Uses ping.exe to check the status of other devices and networks 17->38 24 conhost.exe 17->24         started        26 PING.EXE 1 17->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 23:52:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bsudgcorl4yyam4spnlgmxylqbxjb6gkljeggbthz5vzzdpllh7a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
02384895e3cc26b4844744ad987dcbad59a24f03053a5f4f82af768767aac548
njrat
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
5320400539e21be4eee7c8adc75f045b957d5696007adb23c0f390bcfdfea9cc
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
cf0f62c6105ceec3db23af296678feed3ea95d14ff032223d5397c7351cfc9e0
njrat
ee7f0f0195c2efe95d6db388a0845ff4e70ee3462bd5ba23976a08ef0eb27da4
njrat
+ 1'798 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/221111-y7t8qabc39/
Behaviour
Modifies registry class
Opens file in notepad (likely ransom note)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Modifies Windows Firewall
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2222ebaf-7d6f-41e5-8797-d00e2aba3063
Unpacked files
SH256 hash:
c09fcd11a0acfe3a229606366cea8a435ba93373588d227fb6c69a2bfab78ccd
MD5 hash:
371d17b1892cac558053ecc8ebdde465
SHA1 hash:
84427ad23efb7a25803f0d4524b022c5294a0610
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/54f6d6ad-f923-4848-aaf7-a1fcf4f1c7ce/
Parent samples :
0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe
3eeea165dff413db09070e15ed920752bc4689c65f00c5ffb85e14df61f623b6
SH256 hash:
527e1ec4bf8f01a929514b4779e16f52cbc5b74076f359a2597b648cdb2a195a
MD5 hash:
73e7bbf04c74aa26d5f23d4dedce8ab6
SHA1 hash:
ecc1f0105f0fc02e312f39e0d34f3cdf3b33ba4a
Link:
https://www.unpac.me/results/54f6d6ad-f923-4848-aaf7-a1fcf4f1c7ce/
SH256 hash:
0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe
MD5 hash:
50dbbf3442b326e742a54e46c9519cac
SHA1 hash:
adb19b57f1e8cd7c4a18b8373234ff5454fc8630
Link:
https://www.unpac.me/results/54f6d6ad-f923-4848-aaf7-a1fcf4f1c7ce/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/0ca83309d15f318033927b56665f0b806e90f8ca5a48630667cf6b9c8deb59fe

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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/332611/

Comments