MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d515196a439a946dc4eeb93ce45561decdb0be66a0014dff15e2b81b709965. 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 9 File information Comments

SHA256 hash: b5d515196a439a946dc4eeb93ce45561decdb0be66a0014dff15e2b81b709965
SHA3-384 hash: e69d6090bdebaf520a2042779e0884642f2f04cb605363ce66995f705a6efcdc5b542b51235a1d2fa1d4db1c11e01414
SHA1 hash: d5bd27068c64286d9108518ff1eb409dcb07b150
MD5 hash: 044351e90cb1c56cac4275c4e8866ab7
humanhash: football-batman-nebraska-coffee
File name:044351e90cb1c56cac4275c4e8866ab7.exe
Download: download sample
Signature njrat
File size:36'864 bytes
First seen:2023-03-07 14:40:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:EkSWR/Bq39mnL59MoeU+GQ8NXEhq5lxOBcmZPtUTjC:EkSWtAtYL59MoeU/QG5lxOWmMq
Threatray 978 similar samples on MalwareBazaar
TLSH T15EF20A8DBFE24194C2FD5E774671D2220376E0171A23DA6D8EF884B61BA36C48E5CED1
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:
3.126.224.214:19276

Intelligence


File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
044351e90cb1c56cac4275c4e8866ab7.exe
Verdict:
Malicious activity
Analysis date:
2023-03-07 14:47:36 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
Enabling the 'hidden' option for analyzed file
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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:
cmd.exe fingerprint greyware njrat packed rat stealer
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.
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:
2023-03-06 14:12:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Modifies Windows Firewall
Unpacked files
SH256 hash:
b5d515196a439a946dc4eeb93ce45561decdb0be66a0014dff15e2b81b709965
MD5 hash:
044351e90cb1c56cac4275c4e8866ab7
SHA1 hash:
d5bd27068c64286d9108518ff1eb409dcb07b150
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
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
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
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.

Comments