MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 882c2d397243c456fdefc25467864dfa71ad1d3ee215730381bd7370bba3721a. 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: 11
| SHA256 hash: | 882c2d397243c456fdefc25467864dfa71ad1d3ee215730381bd7370bba3721a |
|---|---|
| SHA3-384 hash: | e1069b3a071e9e162ca902473de4202b3e140ea123fe617f2cfadb2f0647e9ab11cff4c7a04a2f4711cd55061d3dd72b |
| SHA1 hash: | 7ceb251907394eee0ee499e24dfc7b058b8f57ec |
| MD5 hash: | aeee829d4fb5fc3a8be9c7e71da89785 |
| humanhash: | beer-spring-leopard-freddie |
| File name: | dcnfkHak.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 79'872 bytes |
| First seen: | 2021-03-09 19:02:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 1536:xdy+1YfUDphS5wpOk3JCK6pFohXd6fOpd/9nEh9TGodAR:NQwpOk5CK6zO/9ESodA |
| Threatray | 19 similar samples on MalwareBazaar |
| TLSH | 79733B4877F54A12D1BF0DB5897292220B35FC076A26F76D09D174AA5FB36C08A09FB3 |
| Reporter |  pmelson |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dcnfkHak.exe
Verdict:
Malicious activity
Analysis date:
2021-03-09 19:04:18 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Sending a UDP request
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a tool to kill processes
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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:
96 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-03-09 19:03:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
39 of 47 (82.98%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 9 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
882c2d397243c456fdefc25467864dfa71ad1d3ee215730381bd7370bba3721a
MD5 hash:
aeee829d4fb5fc3a8be9c7e71da89785
SHA1 hash:
7ceb251907394eee0ee499e24dfc7b058b8f57ec
Detections:
win_njrat_g1
win_njrat_w1
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: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | CN_disclosed_20180208_c |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| 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: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| 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.
Web download
Delivery method
Distributed via web download
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