MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3719f664482b9f165bab3a6baa43c8449591ae0ce67638ad0559bbf80a2d8dcb. 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: 13
| SHA256 hash: | 3719f664482b9f165bab3a6baa43c8449591ae0ce67638ad0559bbf80a2d8dcb |
|---|---|
| SHA3-384 hash: | 0386f7b9c2bd911ebfd54077fe3e8dc7adbbdf4ceda9e22313a0a3c304cc2a24207a97e4753ecaa45046f1eac7933218 |
| SHA1 hash: | 10cc9c64d24b23655d07a453a6c4481f94631bfd |
| MD5 hash: | 6f4a36f8f5a8b960d9410ec0ff571b08 |
| humanhash: | green-shade-oklahoma-low |
| File name: | Serasdver.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 95'232 bytes |
| First seen: | 2022-05-26 21:08:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 768:8Y3wUnD7O/pBcxYsbae6GIXb9pDX2t98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3FsGb:MUvOx6baIa9RZj00ljEwzGi1dD1D/gS |
| Threatray | 506 similar samples on MalwareBazaar |
| TLSH | T15693E84977E52524E5BF56F79871F2004E34B48B1602E39D48F219AA1B33AC44F89FEB |
| 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 |  MichaelGalde |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
426
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Serasdver.exe
Verdict:
Malicious activity
Analysis date:
2022-05-26 21:05:41 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
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Searching for synchronization primitives
Launching the process to change the firewall settings
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi cmd.exe control.exe explorer.exe fingerprint fingerprint msconfig.exe netsh.exe njrat obfuscated packed rat replace.exe rundll32.exe schtasks.exe stealer update.exe windows 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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Contains functionality to spread to USB devices (.Net source)
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 domain / URL
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:
2022-05-26 21:09:05 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
5/5
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 496 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:popysk evasion trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
Ny50Y3AuZXUubmdyb2suaW8Strik:MTYzOTI=
Unpacked files
SH256 hash:
3719f664482b9f165bab3a6baa43c8449591ae0ce67638ad0559bbf80a2d8dcb
MD5 hash:
6f4a36f8f5a8b960d9410ec0ff571b08
SHA1 hash:
10cc9c64d24b23655d07a453a6c4481f94631bfd
Malware family:
njRAT
Verdict:
Malicious
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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