MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72
SHA3-384 hash: 3aa0195c522f829c23f23752e2bfe546169dc643d2d1db8b29002231d9ca92b574098403a974d4b643b573b5ae8a12e6
SHA1 hash: 94a1e237ee077b22704225016d9b7c54dc482516
MD5 hash: 2ad44d3a4d6024a04140a501e5df7351
humanhash: washington-salami-washington-uniform
File name:2ad44d3a4d6024a04140a501e5df7351.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2023-12-06 19:45:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'650 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 384:zDu/T8PgibBjpPu7w9qyMTO1P5IsW+LJbrAF+rMRTyN/0L+EcoinblneHQM3epzH:iQNN9ZMTO1GV+prM+rMRa8NubPt
TLSH T140033A4D7FE1816CC5FD057B05B2D412077AE04F6E23DA0E8EE664AA37636C58B50AF2
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:
3.68.171.119:11952

Intelligence

File Origin
# of uploads :
1
# of downloads :
384
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
2ad44d3a4d6024a04140a501e5df7351.exe
Verdict:
Malicious activity
Analysis date:
2023-12-06 19:46:14 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/9ce18eff-62eb-4ed1-b13b-16dc90377f41

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/463006/
Detection(s):
Sanesecurity.Malware.29039.UNOFFICIAL
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd explorer fingerprint greyware keylogger lolbin netsh njrat rat replace stealer
Link:
https://www.filescan.io/uploads/6570cf7eda3178d99cda653b/reports/3df8c258-56e3-49d2-acd2-dc265c5e99d5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72
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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31e08e98-b6f1-4bee-8bb6-b9e4091168ab
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354915
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)
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
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 18:46:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 37 (94.59%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zke7jw6p6dlld7w5avgql7yxpgi3tno5zquehtsb4e2gry7djza._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 trojan
Link:
https://tria.ge/reports/231206-ygys8ahb9s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:11952
Unpacked files
SH256 hash:
de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72
MD5 hash:
2ad44d3a4d6024a04140a501e5df7351
SHA1 hash:
94a1e237ee077b22704225016d9b7c54dc482516
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/cee1b689-6b8d-489d-a31b-3d82bc86bc78/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de544fa6de7f/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/de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72

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: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_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
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_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:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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/463006/

Comments