MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97b2d807f8c07d9dfa4a7fce2b85f6ae6030b425982ac257ba226bdf357f42bd. 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


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 97b2d807f8c07d9dfa4a7fce2b85f6ae6030b425982ac257ba226bdf357f42bd
SHA3-384 hash: 5a85d49571c5f5a4c9d7476516a54baa33683656c62ae46663d5e07e4d4aa078efaa555e6fdad05bbf487673bf6bb1d2
SHA1 hash: f9d7c814de672c435767136f6a09d22d24185ee0
MD5 hash: 924dce8fb4e56e2358b829bcf30470fa
humanhash: carpet-winter-undress-network
File name:s400
Download: download sample
Signature njrat
File size:299'520 bytes
First seen:2022-03-01 09:43:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:R+aKHw+kMs37GHos0b+cQMTyBm541DB5CKhGnZYuA2MMppTPCoraFXnmTz4dKnwF:R+tQMUri1tQOoSpDOSVCbBsbpwAz
Threatray 316 similar samples on MalwareBazaar
TLSH T12254412C3A450AB2ED1D8D3049420A5FBF6E0BC772CCA9A757DB15CA874F1667D8D88C
File icon (PE):PE icon
dhash icon e0d08cf8d8ddc8f0 (1 x njrat)
Reporter struppigel
Tags:.NET exe MSIL NjRAT RAT s-400RAT s400

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
97b2d807f8c07d9dfa4a7fce2b85f6ae6030b425982ac257ba226bdf357f42bd.sample
Verdict:
Malicious activity
Analysis date:
2022-02-24 12:11:51 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
Сreating synchronization primitives
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file
Creating a process from a recently created file
Searching for the window
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm control.exe obfuscated packed replace.exe
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:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Binary or sample is protected by dotNetProtector
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to delay execution (extensive OutputDebugStringW loop)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-23 13:32:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 27 (92.59%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Executes dropped EXE
Unpacked files
SH256 hash:
c50b14be52addaac071e25ca25c9249cd97eef4556b93db74f6aba00b8202b8a
MD5 hash:
eca62bc81048783ee01ef08138bd5565
SHA1 hash:
a2de679146b3ca0a7b8260e698aa5c0cb1c2dbba
SH256 hash:
97b2d807f8c07d9dfa4a7fce2b85f6ae6030b425982ac257ba226bdf357f42bd
MD5 hash:
924dce8fb4e56e2358b829bcf30470fa
SHA1 hash:
f9d7c814de672c435767136f6a09d22d24185ee0
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:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments