MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3839ae6dae764844a340952116bad3294baa5d35506b8cc472a7b98a0718e8d2. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments

SHA256 hash: 3839ae6dae764844a340952116bad3294baa5d35506b8cc472a7b98a0718e8d2
SHA3-384 hash: 1de07035fa0786b95ef071c1d5e4a3c5800be9a9ba9798babbf53f963960a630419a064faf467976533d0265b22781ea
SHA1 hash: 83169a5193526d22e05f3b7ccd72f5f70ab639bf
MD5 hash: 4be5c188f62949ff4f06f3ceed5a7244
humanhash: black-alabama-wyoming-seventeen
File name:4be5c188f62949ff4f06f3ceed5a7244.exe
Download: download sample
Signature njrat
File size:32'256 bytes
First seen:2023-03-12 11:25:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:wbS/69DdxkzxP6bGCMGHfQNvgVQmIDUu0ti6/j:JqqeziIQVklj
Threatray 186 similar samples on MalwareBazaar
TLSH T168E21AADFBFA4465D1BD0AB50571950013B4E103E523E77E4ECA24A62B7B3D84B88DF2
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:
3.134.125.175:14963

Intelligence


File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4be5c188f62949ff4f06f3ceed5a7244.exe
Verdict:
Malicious activity
Analysis date:
2023-03-12 11:26:07 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
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:
anti-vm bladabindi cmd.exe fingerprint greyware njrat packed rat stealer windows winnti
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
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:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-03-09 02:43:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 39 (87.18%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:mybot evasion trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.ngrok.io:14963
Unpacked files
SH256 hash:
3839ae6dae764844a340952116bad3294baa5d35506b8cc472a7b98a0718e8d2
MD5 hash:
4be5c188f62949ff4f06f3ceed5a7244
SHA1 hash:
83169a5193526d22e05f3b7ccd72f5f70ab639bf
Detections:
NjRat win_njrat_w1 win_njrat_g1
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
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
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
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
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_w1
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.

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