MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57590a0d56dc1a2ddc1f73db742f4106f4cbb6e2f247020c5d4e12d78b1775d2. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 57590a0d56dc1a2ddc1f73db742f4106f4cbb6e2f247020c5d4e12d78b1775d2
SHA3-384 hash: 5c116b87c66074fd6d105b9e65fcf9fbcd27a9c7763e5017bcf20e1795f37535289c40d30cb8f6448f05375bd466dacd
SHA1 hash: b0532e968f1bb8d0588793bcf3404d973828e171
MD5 hash: ff67a03e0c29fe05f6c1ad072da899f5
humanhash: purple-lemon-spaghetti-victor
File name:57590a0d56dc1a2ddc1f73db742f4106f4cbb6e2f247020c5d4e12d78b1775d2
Download: download sample
Signature njrat
File size:1'178'120 bytes
First seen:2020-11-14 17:52:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:mWE5YQSWsNGWh4dzMxjokFqXmHa37aWtDv395A:k5YQ0EmokFeYa371DvnA
TLSH F745BE4273D1C071FFAA96739B2AF61146BD6D790123C41F13A83DBAAD711B1263DA23
Reporter seifreed
Tags:NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Launching the process to change the firewall settings
Unauthorized injection to a system process
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 317272 Sample: RoWQvmQ4VA Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 34 redlan.hopto.org 2->34 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 10 other signatures 2->44 9 RoWQvmQ4VA.exe 3 2->9         started        13 data.exe 1 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\data.exe, PE32 9->32 dropped 46 Binary is likely a compiled AutoIt script file 9->46 48 Contains functionality to inject code into remote processes 9->48 50 Writes to foreign memory regions 9->50 54 2 other signatures 9->54 15 RegAsm.exe 3 4 9->15         started        18 schtasks.exe 1 9->18         started        52 Antivirus detection for dropped file 13->52 20 schtasks.exe 1 13->20         started        22 RegAsm.exe 3 13->22         started        signatures6 process7 dnsIp8 36 redlan.hopto.org 15->36 24 netsh.exe 1 3 15->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 process10 30 conhost.exe 24->30         started       
Threat name:
Win32.Trojan.Nymeria
Status:
Malicious
First seen:
2020-11-14 17:53:18 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat evasion trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
540601cebaa24f199932322590f6084667ab3f7245924c74234f17adeb76a37f
MD5 hash:
0623a978c4595f76ec438afaa8164107
SHA1 hash:
05fa6bf7119767462174b42da8c419e404bfa3e1
Detections:
win_njrat_w1 win_njrat_g1
SH256 hash:
57590a0d56dc1a2ddc1f73db742f4106f4cbb6e2f247020c5d4e12d78b1775d2
MD5 hash:
ff67a03e0c29fe05f6c1ad072da899f5
SHA1 hash:
b0532e968f1bb8d0588793bcf3404d973828e171
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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: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:win_njrat_w1
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information


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

  
Delivery method
Other

Comments