MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100. 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: 18


Intelligence 18 IOCs YARA 19 File information Comments
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SHA256 hash: 6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100
SHA3-384 hash: 62ff64d3f817f2f4b915a3d9fda1c447ae13b6a7f46379ce03d26d4174aef47b15fd796e83025e2fe3b73fcd071bcaaf
SHA1 hash: 636d0bb422ed168d310a31160d69aef1aec90d68
MD5 hash: 70d8a4cfe8f75bef1d5cea3ba0cca2d0
humanhash: enemy-fish-lactose-oklahoma
File name:70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'256 bytes
First seen:2023-10-17 21:41:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:ZRZghV5VXPKzxF+dt+XKvJ+rvaPQmIDUu0tipcj:mfqciMQVkzj
Threatray 235 similar samples on MalwareBazaar
TLSH T16FE21BADFBE64466D2BC1AB50571950013B4D043E523E77E8ECA24A62B2B7D84B84DF2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
49.12.227.77:5552

Intelligence

File Origin
# of uploads :
1
# of downloads :
376
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe
Verdict:
Malicious activity
Analysis date:
2023-10-17 21:43:36 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/1d3cd532-ee4c-4938-9fcc-091e213375d5

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/455480/
Detection(s):
Win.Packed.Generic-9795615-0
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Win.Packed.Generic-9795616-0
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Win.Trojan.Generic-6417450-0
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Win.Trojan.Generic-6454614-0
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Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
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Win.Trojan.Ratenjay-1
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Win.Trojan.Bladabindi-6192388-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Creating a file in the mass storage device
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd control fingerprint greyware keylogger lolbin netsh njrat packed rat replace stealer winnti
Link:
https://www.filescan.io/uploads/652eff75afc17c7912f73136/reports/f9254f7f-ba55-49b1-9978-71b782075d96/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100
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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23717caa-ce52-4d93-b59c-dd48debf649f
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
n/a
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1327592
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files with benign system names
Found 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
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1327592 Sample: Rr56Roxwu8.exe Startdate: 17/10/2023 Architecture: WINDOWS Score: 100 34 myvnc.myftp.biz 2->34 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 11 other signatures 2->44 9 Rr56Roxwu8.exe 1 9 2->9         started        13 svchost.exe 5 2->13         started        15 svchost.exe 4 2->15         started        17 svchost.exe 4 2->17         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\svchost.exe, PE32 9->30 dropped 32 C:\Tools.exe, PE32 9->32 dropped 54 Drops PE files with benign system names 9->54 19 svchost.exe 4 7 9->19         started        signatures6 process7 dnsIp8 36 myvnc.myftp.biz 49.12.227.77, 5552 HETZNER-ASDE Germany 19->36 28 C:\...\4d303b772c7c7805c5e01990e7310d1a.exe, PE32 19->28 dropped 46 Antivirus detection for dropped file 19->46 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Multi AV Scanner detection for dropped file 19->50 52 6 other signatures 19->52 24 netsh.exe 2 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-10-13 16:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 35 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkkjsqbtbmecrl3d6vwrbga7qwlo6hbesuvqldsav4e443uuoeaa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
436f9707838083d743624e034f46dd515816b3f746fc856d88b7e0675b77e462
njrat
54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c
njrat
88d74958dd9791ae6b5955f1b3499d32beefb8aeaeaeefb6ace022e590af23b2
njrat
a07e0a181630063b5246741e10ce0b53d7dbd98954f117ee36d9cd2ef0065dfe
njrat
a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2
njrat
cd6e990e83a947ee95fc38e33ef891fcd2adca0c669eba160cca49895471663a
njrat
f7b1f59d4c4e68848083a7d5310653e6a77505f01182284df5c2205c9ed32af0
njrat
f8d0609debf08c60070fef13599aa2b10d66f43ddc904a8176d2ef0ffa01a8fe
njrat
fef984d0cfaacd9e1685f796788009e017649a9485e7927a61968007f6e05bcd
njrat
+ 225 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:mybot evasion persistence trojan
Link:
https://tria.ge/reports/231017-1jrh2ahd51/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
myvnc.myftp.biz:5552
Unpacked files
SH256 hash:
6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100
MD5 hash:
70d8a4cfe8f75bef1d5cea3ba0cca2d0
SHA1 hash:
636d0bb422ed168d310a31160d69aef1aec90d68
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/1f5e3233-f1c1-4627-84f0-ac775c7ab639/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a949940330b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/455480/

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