MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
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SHA256 hash: e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f
SHA3-384 hash: c0cf4bb7582962fa142476d0808090ed72b955a57221311008c9ca9f72500a7a6a895382e2f4342a9d8fa31f59f3a0a8
SHA1 hash: 84c921f3a47af6281d1ccba44b45e28436d251cf
MD5 hash: adf116f81eaab92d114cdd28a23adf59
humanhash: bluebird-leopard-winter-high
File name:adf116f81eaab92d114cdd28a23adf59.exe
Download: download sample
Signature njrat
Create hunting rule
File size:40'899 bytes
First seen:2023-12-06 08:55:12 UTC
Last seen:2023-12-06 10:20:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 768:VvAh0QJOYXCg3R5btZ4r5w74Ei1vY+j0TqnihnFY8Pjw1QB:ih7OUx3R5by5w0EA90TqnsnFY87w1QB
TLSH T1D903E147AB29A0B7D1B80DBB8833E4C0533551547A8B4F3919F86C36BE73DA496653B0
TrID 52.9% (.EXE) Win32 Executable (generic) (4505/5/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
35.158.159.254:19177

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
adf116f81eaab92d114cdd28a23adf59.exe
Verdict:
Malicious activity
Analysis date:
2023-12-06 08:56:06 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/270517a0-c2cb-410d-9582-28cac4c3053c

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/462800/
Detection(s):
SecuriteInfo.com.Generic.KillMBR.B.F7682BC0.17194.17527.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching a tool to kill processes
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd control eventvwr lolbin mpress overlay packed packed schtasks wscript
Link:
https://www.filescan.io/uploads/6570372247603edff332c966/reports/a925ee7c-7285-4c48-a6f0-10728976e38e/overview
Verdict:
Malicious
Labled as:
KillMBR.B.Generic
Link:
https://www.hybrid-analysis.com/sample/e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/51548f14-6da9-4dae-9402-0348acbb0d12
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354475
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
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354475 Sample: MCFXKmeoOQ.exe Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 51 pastebin.com 2->51 53 4.tcp.eu.ngrok.io 2->53 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Found malware configuration 2->65 69 15 other signatures 2->69 9 MCFXKmeoOQ.exe 1 7 2->9         started        12 Client.exe 3 2->12         started        14 Client.exe 2 2->14         started        16 8 other processes 2->16 signatures3 67 Connects to a pastebin service (likely for C&C) 51->67 process4 file5 49 C:\Users\user\AppData\Local\Temp\Client.exe, MS-DOS 9->49 dropped 18 Client.exe 17 6 9->18         started        process6 dnsIp7 55 3.121.139.82, 19177, 49752, 49754 AMAZON-02US United States 18->55 57 35.158.159.254, 19177, 49760 AMAZON-02US United States 18->57 59 3 other IPs or domains 18->59 45 C:\Users\user\AppData\Roaming\...\Client.exe, MS-DOS 18->45 dropped 47 C:\Users\user\AppData\Roaming\...\Client.url, MS 18->47 dropped 71 Antivirus detection for dropped file 18->71 73 Multi AV Scanner detection for dropped file 18->73 75 Protects its processes via BreakOnTermination flag 18->75 77 3 other signatures 18->77 23 taskkill.exe 1 18->23         started        25 schtasks.exe 1 18->25         started        27 schtasks.exe 1 18->27         started        29 35 other processes 18->29 file8 signatures9 process10 process11 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        43 31 other processes 29->43
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f/
Threat name:
ByteCode-MSIL.Trojan.KillMbr
Create hunting rule
Status:
Malicious
First seen:
2023-12-03 15:16:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4nlsvimfrrdwrq5dtbopadl6l5i775zggd34rbyuto7jcb4x6kpq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked persistence trojan
Link:
https://tria.ge/reports/231206-kv1m3sdb65/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Kills process with taskkill
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:6522
Unpacked files
SH256 hash:
e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f
MD5 hash:
adf116f81eaab92d114cdd28a23adf59
SHA1 hash:
84c921f3a47af6281d1ccba44b45e28436d251cf
Link:
https://www.unpac.me/results/5d36f976-8149-40a2-be47-e2c3a0830310/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3572aa1858c/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/e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule

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/462800/

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