MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76107541a6cff24554d6809a7c690791b73040657c60a73ab31cbfb8a9bd3ffc. 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 1 YARA 5 File information Comments

SHA256 hash: 76107541a6cff24554d6809a7c690791b73040657c60a73ab31cbfb8a9bd3ffc
SHA3-384 hash: 9df58e4d257652470f809e836787d0471377907d2a2a737554ac444acc2f42a257f3e3590c84cef7858c472d6d20064c
SHA1 hash: a6f5dd2518927631566269b5f0eed51542271046
MD5 hash: a2fb3605b4caf84763f44e3dbf8fc14d
humanhash: mirror-bulldog-cat-magazine
File name:a2fb3605b4caf84763f44e3dbf8fc14d.exe
Download: download sample
Signature njrat
File size:27'648 bytes
First seen:2021-04-24 22:30:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 384:nL7eZoTmgEJbbwvqWDbPxZh7M9AQk93vmhm7UMKmIEecKdbXTzm9bVhcaF6ir6eR:LONfwy9A/vMHTi9bD
Threatray 13 similar samples on MalwareBazaar
TLSH 30C2E82C37B68232D2EE067E4662DA9143B5D04BF227FB0E4CD958D94B5B7890A41FE4
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
35.226.2.6:6000

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
35.226.2.6:6000 https://threatfox.abuse.ch/ioc/9890/

Intelligence


File Origin
# of uploads :
1
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a2fb3605b4caf84763f44e3dbf8fc14d.exe
Verdict:
Malicious activity
Analysis date:
2021-04-24 22:30:55 UTC
Tags:
n/a

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

Behaviour
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
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:
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-04-22 10:57:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
76107541a6cff24554d6809a7c690791b73040657c60a73ab31cbfb8a9bd3ffc
MD5 hash:
a2fb3605b4caf84763f44e3dbf8fc14d
SHA1 hash:
a6f5dd2518927631566269b5f0eed51542271046
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected

File information


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

Comments