MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4dcb4259931593258d2e9adf7a0f8367c93da89e9c1c407d8ad3eb1c884c2258. 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: 12
| SHA256 hash: | 4dcb4259931593258d2e9adf7a0f8367c93da89e9c1c407d8ad3eb1c884c2258 |
|---|---|
| SHA3-384 hash: | b47785c6e6a209ae395096d753b77304a46ea518ea729e0891532cd8419d52e31518825d5b6d3997e7e0b4e539bff27d |
| SHA1 hash: | 040bbaf447984100f6653b34cabd4f8431f8b550 |
| MD5 hash: | 933dcc6c8eabb3b58c42a364eab3ba2f |
| humanhash: | pasta-lemon-magazine-bacon |
| File name: | bSP-FX.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 95'232 bytes |
| First seen: | 2022-04-19 20:25:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 1536:PcNkKBnA1nn9OlcaBXJjEwzGi1dDGDCgS:PcBknn9Ol/BWi1dwn |
| Threatray | 415 similar samples on MalwareBazaar |
| TLSH | T14393D74977E97524E0BF56F79471F2014F35B44B1602E39E88F219AA0B33AC44F85EEA |
| TrID | 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.0% (.SCR) Windows screen saver (13101/52/3) 8.8% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  adm1n_usa32 |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bSP-FX.exe
Verdict:
Malicious activity
Analysis date:
2022-04-19 20:24:32 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
Searching for the window
Сreating synchronization primitives
Creating a window
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 file in the Windows subdirectories
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi cmd.exe control.exe explorer.exe fingerprint fingerprint greyware keylogger msconfig.exe netsh.exe njrat obfuscated packed rat replace.exe rundll32.exe schtasks.exe stealer update.exe winnti
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.
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Drops PE files to the document folder of the user
Drops PE files to the startup folder
Found malware configuration
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
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:
2022-01-16 01:33:02 UTC
File Type:
PE (.Net Exe)
AV detection:
37 of 42 (88.10%)
Threat level:
5/5
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 405 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked evasion trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
FRANSESCOjYuFRANSESCOTUuFRANSESCOTIxLjI0FRANSESCOAStrikStrik:NTU1Mg==
Unpacked files
SH256 hash:
4dcb4259931593258d2e9adf7a0f8367c93da89e9c1c407d8ad3eb1c884c2258
MD5 hash:
933dcc6c8eabb3b58c42a364eab3ba2f
SHA1 hash:
040bbaf447984100f6653b34cabd4f8431f8b550
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
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 |
| 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: | 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 |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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