MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22d324acbf31c5772d53e0db23ead97333c08ada1b2be009d2aeb9ef38c68411. 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 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 22d324acbf31c5772d53e0db23ead97333c08ada1b2be009d2aeb9ef38c68411
SHA3-384 hash: d0043c49f9c32d836bcfca63f856416ad7203df924c9a6badd572156c77a08e079986477cd106a26e968906878b367af
SHA1 hash: cfb2d7bea93a6a6cc4b7172b0b8223c7eaf1e154
MD5 hash: b624da95997cb41b81ada1a58190e68e
humanhash: finch-chicken-lion-failed
File name:B624DA95997CB41B81ADA1A58190E68E.exe
Download: download sample
Signature njrat
Create hunting rule
File size:63'488 bytes
First seen:2021-05-15 12:45:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:jmYyeMsDdSP06D+gEJN8KkjudJmYdG2s9ywr9+YXC:jmD0pA+gCNCjuTldGtvr9+n
Threatray 20 similar samples on MalwareBazaar
TLSH A5536A0DFEC8417FC5B3A2FE486B4941127CB27269728245ACC0C05E9F4AFEAF5C9652
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
82.22.165.42:54984

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
82.22.165.42:54984 https://threatfox.abuse.ch/ioc/42900/

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2.exe
Verdict:
Malicious activity
Analysis date:
2021-05-10 19:20:35 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/c16b3b45-2ced-4f90-ad55-d2d208a020ae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/157366/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
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
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
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:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/782768
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Injects a PE file into a foreign processes
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)
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 415164 Sample: k61Zu8Z8vv.exe Startdate: 15/05/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 4 other signatures 2->44 8 k61Zu8Z8vv.exe 1 2->8         started        12 Payload.exe 2->12         started        process3 file4 30 C:\Users\user\AppData\...\k61Zu8Z8vv.exe.log, ASCII 8->30 dropped 54 Injects a PE file into a foreign processes 8->54 14 k61Zu8Z8vv.exe 2 4 8->14         started        17 Payload.exe 1 12->17         started        signatures5 process6 file7 32 C:\Users\user\AppData\Local\...\Payload.exe, PE32 14->32 dropped 19 Payload.exe 1 14->19         started        22 attrib.exe 1 14->22         started        process8 signatures9 46 Antivirus detection for dropped file 19->46 48 Multi AV Scanner detection for dropped file 19->48 50 Machine Learning detection for dropped file 19->50 52 Injects a PE file into a foreign processes 19->52 24 Payload.exe 4 3 19->24         started        28 conhost.exe 22->28         started        process10 dnsIp11 34 82.22.165.42, 49723, 54984 NTLGB United Kingdom 24->34 36 192.168.2.1 unknown unknown 24->36 56 Creates multiple autostart registry keys 24->56 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22d324acbf31c5772d53e0db23ead97333c08ada1b2be009d2aeb9ef38c68411/
Threat name:
ByteCode-MSIL.Trojan.Jintor
Create hunting rule
Status:
Malicious
First seen:
2021-05-11 09:07:23 UTC
AV detection:
20 of 47 (42.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eljsjlf7ghcxolkt4dnsh2wzomz4bcw2dmv6acosv2466oggqqiq._file
Verdict:
malicious
Similar samples:
10f9863a0c087a93b465eb4c17e5a006add72acf87747603d2caff4b011f7bd7
njrat
1b34eb8148662e0e7c52c0e316f01fd396e72a115d143868bc3cdc474b8ae01e
njrat
20fe42296f9029c30fca68a7ff0b2b81c8498c7df69c66f131232029c0277fb5
njrat
6e51e43998abedba64180c3c2b4c6c36028ad00706ad37e3baca1562bc966909
njrat
a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
njrat
c05aa4fa8dde819670fc412f5db60eff7dffa25d9064ca10d29b18eb607416f6
njrat
d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c
njrat
df047189f75d998dc499072881c762fd001360f5cf184b801cb8c232b5c567f6
njrat
e63d3be538ff76863ee863299e16a554e83908abaab1b59128b398d898cebcf7
njrat
f81e70dd7eb0fa56a4c392c00f3552857a39b53222f0def135bf57c4cc0ef1d2
njrat
+ 10 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210515-zflbsstj56/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/22d324acbf31c5772d53e0db23ead97333c08ada1b2be009d2aeb9ef38c68411

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/157366/

Comments