MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28c85e08e2525f6d87faa5adb0982a395e165a71e21703bb0166aa5fdd72c54c. 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: 8


Intelligence 8 IOCs 3 YARA File information Comments 1

SHA256 hash: 28c85e08e2525f6d87faa5adb0982a395e165a71e21703bb0166aa5fdd72c54c
SHA3-384 hash: e2798983bd1a57dc416bd706e39930dff9d6e7bcf474a0e83b79a19b9b3484c8962f7deb590258c2f97ed82440c53842
SHA1 hash: f24799c9139a73851735f917cc35e557f9d945e5
MD5 hash: 16975d1a6014294f38cdc5f3c311aa7c
humanhash: don-foxtrot-cup-purple
File name:16975d1a6014294f38cdc5f3c311aa7c.exe
Download: download sample
Signature njrat
File size:246'272 bytes
First seen:2021-05-10 17:55:43 UTC
Last seen:2021-05-10 19:12:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 720f62ecaae027b5c3ec6686644322e9 (12 x njrat, 8 x RevengeRAT, 4 x AgentTesla)
ssdeep 3072:DR8EC2Oi8NXC797F8TBfFvj4bq575LKaMx2PHlftYbxaUuxYlkqZUNkc:DhC2F8NXC796TB9vj485LlMx2Pkdmo/W
Threatray 172 similar samples on MalwareBazaar
TLSH 0C34D01075C0C2B3D4B7113549E6CB7A4A29307A276FD4D3FB992BB66E212D09B352CE
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
13.58.157.220:14776

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
13.58.157.220:14776 https://threatfox.abuse.ch/ioc/34782/
3.142.81.166:14776 https://threatfox.abuse.ch/ioc/34783/
3.19.130.43:14776 https://threatfox.abuse.ch/ioc/34784/

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for analyzed file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun 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:
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 411482 Sample: 0OyVQNXrTo.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 41 8.tcp.ngrok.io 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 9 0OyVQNXrTo.exe 1 6 2->9         started        12 windowsserves.exe 2 2->12         started        14 windowsserves.exe 3 2->14         started        16 windowsserves.exe 2 2->16         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\windowsserves.exe, PE32 9->35 dropped 37 C:\...\windowsserves.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\...\0OyVQNXrTo.exe.log, ASCII 9->39 dropped 18 windowsserves.exe 2 11 9->18         started        process6 dnsIp7 43 13.58.157.220, 14776, 49764, 49768 AMAZON-02US United States 18->43 45 3.142.167.4, 14776, 49723, 49725 AMAZON-02US United States 18->45 47 8.tcp.ngrok.io 3.142.167.54, 14776, 49719, 49722 AMAZON-02US United States 18->47 27 C:\svchost.exe, PE32 18->27 dropped 29 C:\...\fc9c1bc51093919b2fec6da019e5acec.exe, PE32 18->29 dropped 31 C:\svchost.exe:Zone.Identifier, ASCII 18->31 dropped 33 2 other malicious files 18->33 dropped 57 Antivirus detection for dropped file 18->57 59 Multi AV Scanner detection for dropped file 18->59 61 Protects its processes via BreakOnTermination flag 18->61 63 7 other signatures 18->63 23 netsh.exe 1 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-05-04 18:41:45 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-10 17:59:55 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0012.001] Anti-Static Analysis::Argument Obfuscation
2) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
3) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
4) [C0019] Data Micro-objective::Check String
5) [C0032.005] Data Micro-objective::Adler::Checksum
6) [C0026.002] Data Micro-objective::XOR::Encode Data
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [C0007] Memory Micro-objective::Allocate Memory
11) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
12) [C0040] Process Micro-objective::Allocate Thread Local Storage
13) [C0041] Process Micro-objective::Set Thread Local Storage Value
14) [C0018] Process Micro-objective::Terminate Process