MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 aa6048f1b4c756dd7ecf4d78af9a5ea07cc7d2d43817c1bae77c38a5391cded9. 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: | aa6048f1b4c756dd7ecf4d78af9a5ea07cc7d2d43817c1bae77c38a5391cded9 |
|---|---|
| SHA3-384 hash: | 3057ad5007b90d8a227f598aed41899841f05dd157c6335e3c666d1ff65b34abda48e63504d8b54634a1cf9767e5b94d |
| SHA1 hash: | 736ce38366f741b7e9ea027448107b50a5953ca1 |
| MD5 hash: | 1b049227f0cc59af62cb3ec1bd2fd823 |
| humanhash: | minnesota-freddie-utah-ceiling |
| File name: | aa6048f1b4c756dd7ecf4d78af9a5ea07cc7d2d43817c1bae77c38a5391cded9 |
| Download: | download sample |
| Signature | njrat |
| File size: | 471'552 bytes |
| First seen: | 2021-02-28 07:19:34 UTC |
| Last seen: | 2021-02-28 09:00:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:NzXJErGtjrsP2LzRsvHXv12YyuE0GeYuJb5:NrOSpoOLSvHf12 |
| Threatray | 73 similar samples on MalwareBazaar |
| TLSH | 5DA49D0BB6588F90C4C9397480DB505453ECEDAA9A7DE2CD3F0AB78A1D9D3D38C4B586 |
| Reporter |  JAMESWT_WT |
| Tags: | NjRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aa6048f1b4c756dd7ecf4d78af9a5ea07cc7d2d43817c1bae77c38a5391cded9
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:47:08 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 window
Sending a UDP request
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
Enabling the 'hidden' option for files in the %temp% directory
DNS request
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Drops PE files to the startup folder
Drops PE files with benign system names
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Downloader.Starpast
Status:
Malicious
First seen:
2021-02-27 11:10:28 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Similar samples:
+ 63 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
evasion persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
e41ea590dbd2af4b9593dd6eacf9977779704512502c88a7df23af50c91a4ef8
MD5 hash:
89843853b70e3267dd306d3d50c9ad4b
SHA1 hash:
73c19ed3b9f2b77834e150596ed95b40d587e6e1
Detections:
win_njrat_w1
win_njrat_g1
SH256 hash:
aa6048f1b4c756dd7ecf4d78af9a5ea07cc7d2d43817c1bae77c38a5391cded9
MD5 hash:
1b049227f0cc59af62cb3ec1bd2fd823
SHA1 hash:
736ce38366f741b7e9ea027448107b50a5953ca1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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