MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6685e3e49db6b1cdd7d3c631d5909d61422e23b3972c14d45bf9b09cce0da437. 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: 10
| SHA256 hash: | 6685e3e49db6b1cdd7d3c631d5909d61422e23b3972c14d45bf9b09cce0da437 |
|---|---|
| SHA3-384 hash: | d544a58f5aa0403d830a018b42c55958293f69c494568ac983bc9eb03415c66ea54ded41d4a0c93cfd04a71d2d0b9619 |
| SHA1 hash: | fb37dbc26452d92e86bf9a3db0601c780d8ab3ad |
| MD5 hash: | facdb5b9a768ab4df00feecd3eb9afd3 |
| humanhash: | princess-florida-may-thirteen |
| File name: | 6685e3e49db6b1cdd7d3c631d5909d61422e23b3972c14d45bf9b09cce0da437 |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'139'200 bytes |
| First seen: | 2021-02-28 07:10:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer) |
| ssdeep | 24576:L8D0zgrZFYSwayBEwma62uxupa1nd4xRGBdopeQjTeiuCvt4x:L8JbO+72ubRdeRidl8qCvt |
| TLSH | 39353350E8F4F081ECA9907AE37A49B728B0BD0B6B1DC19FBE1F21B1502762F606D755 |
| Reporter |  JAMESWT_WT |
| Tags: | NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6685e3e49db6b1cdd7d3c631d5909d61422e23b3972c14d45bf9b09cce0da437
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:55:32 UTC
Tags:
rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
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
DNS request
Connection attempt
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
njRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
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
PE file has nameless sections
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.EnigmaProtector
Status:
Malicious
First seen:
2021-02-26 20:25:25 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
suspicious
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat evasion persistence trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
6685e3e49db6b1cdd7d3c631d5909d61422e23b3972c14d45bf9b09cce0da437
MD5 hash:
facdb5b9a768ab4df00feecd3eb9afd3
SHA1 hash:
fb37dbc26452d92e86bf9a3db0601c780d8ab3ad
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
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: | EnigmaStub |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Enigma packer stub. |
| Rule name: | Njrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter <bwall@ballastsecurity.net> |
| Description: | Identify njRat |
| Rule name: | win_smominru_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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