MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c. 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 2 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c
SHA3-384 hash: eef9a74fc320f0cdc3c77b0786588672ed8263a92b0c3d5aa6fc524a03e69c2443782e2fec6a38770fce8b3a88e92c87
SHA1 hash: d4af568a8da9299f51f468f272a7650a1a0439d9
MD5 hash: 39e980bb186a6091fc6c64f2ee571eb9
humanhash: fish-missouri-william-fanta
File name:39E980BB186A6091FC6C64F2EE571EB9.exe
Download: download sample
Signature njrat
Create hunting rule
File size:115'712 bytes
First seen:2021-04-18 18:45:35 UTC
Last seen:2021-04-18 19:50:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:JR9MccEB+T/GPn8IpOWqEswJX/bGgR9uYWJ1tUMgs+uSN5ia0OjzraBoO2ajf9Bp:J4saG/4gfuo0OChQMwlSn
Threatray 15 similar samples on MalwareBazaar
TLSH C8B3A25138E634789973B9A7D1EBA6394F73F42A0E0A597F30246353CB631035F67A28
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
90.37.141.116:7400

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
90.37.141.116:7400 https://threatfox.abuse.ch/ioc/8906/
91.109.186.7:7400 https://threatfox.abuse.ch/ioc/8907/

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
build.exe
Verdict:
Malicious activity
Analysis date:
2021-04-14 14:19:10 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/ff6ab67e-b97a-418f-8bb1-fd4be3a001f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/137899/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader33.19251.29968.2807.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Sending a UDP request
Creating a window
DNS request
Connecting to a non-recommended domain
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
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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c473efc-da77-4df3-a656-0b427bedcf5b
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/685390
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3hjh6a7c7c6joriss3nju7o6vq463yzeamdpugml7cmegs2yyu6a._file
Verdict:
suspicious
Similar samples:
1b34eb8148662e0e7c52c0e316f01fd396e72a115d143868bc3cdc474b8ae01e
njrat
20fe42296f9029c30fca68a7ff0b2b81c8498c7df69c66f131232029c0277fb5
njrat
758aed1d47c292461a1234024fd162f05a850122842160793c72e389b829d0b4
njrat
7e31b3a603afe3a04745f35987db0d90e2643676b920df2185e11ae06ad32a4f
njrat
a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
njrat
bcc2ea60410ac0611ddb3b6fe3be3006ef39793d1f4b084ef582082da8c26531
njrat
bef49ecdc6d9018cb57d8edc53e2177387659c128abca00c86578cda6e88e61e
njrat
c05aa4fa8dde819670fc412f5db60eff7dffa25d9064ca10d29b18eb607416f6
njrat
df047189f75d998dc499072881c762fd001360f5cf184b801cb8c232b5c567f6
njrat
f81e70dd7eb0fa56a4c392c00f3552857a39b53222f0def135bf57c4cc0ef1d2
njrat
+ 5 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210418-qfhhe2t846/
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
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.

Cape
Cape
https://www.capesandbox.com/analysis/137899/

Comments