MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a3ff8ffdbf04d86290921fc907056c234df14f9d69083845a64bc59df7f9254d. 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
| SHA256 hash: | a3ff8ffdbf04d86290921fc907056c234df14f9d69083845a64bc59df7f9254d |
|---|---|
| SHA3-384 hash: | a568f6233cd6bff8d19c85755d85da93a8e8286e275796a17f9d79fd7f73a7fc1d2104931977e79a11be0777d3c89e6c |
| SHA1 hash: | 74bbc3666452b30244998c070a705da8999877f7 |
| MD5 hash: | b988abe058e8224e81b4b57ca000dda7 |
| humanhash: | dakota-network-king-stairway |
| File name: | bLg9.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 36'864 bytes |
| First seen: | 2023-04-01 17:07:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'075 x AgentTesla, 20'033 x Formbook, 12'353 x SnakeKeylogger) |
| ssdeep | 384:wULdClEUdi/dMkt1QmY/GKSEZePC45SY2OzRLTm3yilqr641bTyvGb:wCUEUdi/dMc1tEZeK45SsbAvGb |
| Threatray | 24 similar samples on MalwareBazaar |
| TLSH | T170F218593FA08176C2EF2BB406A2D72542B2D1075A23DB5F8CC844FA6B777C14D81AF6 |
| TrID | 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.4% (.SCR) Windows screen saver (13097/50/3) 6.8% (.EXE) Win64 Executable (generic) (10523/12/4) 4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  pmelson |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
bLg9.exe
Verdict:
Malicious activity
Analysis date:
2023-04-01 17:09:21 UTC
Tags:
rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd.exe greyware njrat packed rat
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Malware family:
njRAT
Verdict:
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 URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-04-01 17:08:10 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 14 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Legitimate hosting services abused for malware hosting/C2
njRAT/Bladabindi
Unpacked files
SH256 hash:
a3ff8ffdbf04d86290921fc907056c234df14f9d69083845a64bc59df7f9254d
MD5 hash:
b988abe058e8224e81b4b57ca000dda7
SHA1 hash:
74bbc3666452b30244998c070a705da8999877f7
Malware family:
njRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | 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: | INDICATOR_SUSPICIOUS_EXE_RawPaste_URL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables (downlaoders) containing URLs to raw contents of a paste |
| 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: | Unknown_Malware_Sample_Jul17_2 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects unknown malware sample with pastebin RAW URL |
| Reference: | https://goo.gl/iqH8CK |
| Rule name: | Unknown_Malware_Sample_Jul17_2_RID326D |
|---|---|
| Author: | Florian Roth |
| Description: | Detects unknown malware sample with pastebin RAW URL |
| Reference: | https://goo.gl/iqH8CK |
| Rule name: | Windows_Trojan_Njrat_30f3c220 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_Njrat_30f3c220 |
|---|
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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