MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce. 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: 17


Intelligence 17 IOCs YARA File information Comments

SHA256 hash: 6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce
SHA3-384 hash: 829e01f9df7590f1bbc48a06d2a93809140c1cc3c27d64fab534f7a3fb638f8ca435ac22b8a7366183030ecf2203b137
SHA1 hash: 0b79c3ee45ecf355ecdf863a173882e3eab53909
MD5 hash: b1ac4450e43fbe20c26616d3e207c1ac
humanhash: enemy-finch-uncle-iowa
File name:b1ac4450e43fbe20c26616d3e207c1ac.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2023-12-29 15:10:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:G3jrUiS6L1G5k2gyk/8If5e/QUZSgKrAF+rMRTyN/0L+EcoinblneHQM3epzXTNX:mjz32bk/8IQYUZS7rM+rMRa8Nu9vt
TLSH T10E032A4D7FE18168C5FD067B05B2D41207BAE04B6E23D90E8EE564EA37636C18B50EF2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
221.154.107.221:8080

Intelligence


File Origin
# of uploads :
1
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce.exe
Verdict:
Malicious activity
Analysis date:
2023-12-29 15:21:03 UTC
Tags:
rat njrat bladabindi remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd explorer fingerprint keylogger lolbin lolbin netsh njrat rat replace stealer
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:
Detection:
malicious
Classification:
spre.troj.adwa.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 dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files with benign system names
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
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1368005 Sample: tOSQZh0cIe.exe Startdate: 29/12/2023 Architecture: WINDOWS Score: 100 29 tjqvk.kro.kr 2->29 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 12 other signatures 2->39 8 tOSQZh0cIe.exe 3 11 2->8         started        13 tOSQZh0cIe.exe 3 2->13         started        15 tOSQZh0cIe.exe 2 2->15         started        17 tOSQZh0cIe.exe 2 2->17         started        signatures3 process4 dnsIp5 31 tjqvk.kro.kr 221.154.107.221, 49729, 8080 KIXS-AS-KRKoreaTelecomKR Korea Republic of 8->31 23 C:\svchost.exe, PE32 8->23 dropped 25 C:\...\a1dfd42c3dda09a3375e4e2e0f2678bd.exe, PE32 8->25 dropped 27 C:\autorun.inf, Microsoft 8->27 dropped 41 Protects its processes via BreakOnTermination flag 8->41 43 Creates autorun.inf (USB autostart) 8->43 45 Creates autostart registry keys with suspicious names 8->45 47 4 other signatures 8->47 19 netsh.exe 2 8->19         started        file6 signatures7 process8 process9 21 conhost.exe 19->21         started       
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Status:
Malicious
First seen:
2023-12-26 22:45:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 37 (94.59%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops autorun.inf file
Adds Run key to start application
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
tjqvk.kro.kr:8080
Unpacked files
SH256 hash:
6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce
MD5 hash:
b1ac4450e43fbe20c26616d3e207c1ac
SHA1 hash:
0b79c3ee45ecf355ecdf863a173882e3eab53909
Detections:
NjRat win_njrat_w1 win_njrat_g1 MALWARE_Win_NjRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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