MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e
SHA3-384 hash: 40f747b14be4949ce3baa1952ed9d665c1c087939faf079407c743765a68ceb4bded310fdae7d0fe019da3ae14f6d043
SHA1 hash: dc49fca5c9adf7ebd640ab0f6a399e03030a1b39
MD5 hash: 47a5698ee9a6400a8a15650bdc4ce15c
humanhash: south-kitten-princess-california
File name:xHzAwYc1.exe
Download: download sample
Signature njrat
Create hunting rule
File size:33'280 bytes
First seen:2020-12-27 17:29:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'787 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 768:yTw9l4mwzGUXNvwTDwMvKUw3ccrfLpGr:nMV94Q/Uw3cafNGr
Threatray 78 similar samples on MalwareBazaar
TLSH 6EE2094C73A48A23C6BE57B89D70854247F1814B5512EBAF8EC550DA1EA7BF41E00EF7
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
xHzAwYc1.exe
Verdict:
Malicious activity
Analysis date:
2020-12-27 17:31:05 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/b00865f9-a8cb-4b65-9c11-c1dd69a67109

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Generic-9795615-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a process with a hidden window
Creating a window
Sending a UDP request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
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:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/570390
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
Machine Learning detection for sample
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
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 334254 Sample: xHzAwYc1.exe Startdate: 27/12/2020 Architecture: WINDOWS Score: 100 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 8 other signatures 2->31 7 xHzAwYc1.exe 7 4 2->7         started        11 xHzAwYc1.exe 4 2->11         started        13 xHzAwYc1.exe 4 2->13         started        15 xHzAwYc1.exe 4 2->15         started        process3 dnsIp4 21 kraldeli.linkpc.net 46.1.54.174, 49718, 49725, 49727 MILLENICOM-ASDE Turkey 7->21 23 kingspy.mywire.org 7->23 33 Creates autostart registry keys with suspicious names 7->33 17 netsh.exe 1 3 7->17         started        signatures5 process6 process7 19 conhost.exe 17->19         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-12-27 17:30:06 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tzflsvcdh65tcbozui56edtgxqwtnh5ctubuwqhku7zmnkenfrxa._file
Verdict:
malicious
Similar samples:
00b11363c9cd9f5e944789c5c8c8f190cb8952e572fcad351c10a0ffe4809765
njrat
08da1c7771ae637a3b09d9d636b97d6cefdd1794fe3de4ade9b676188e057370
njrat
21ac08fc21c99e9c3522c3555adc2e54fdada5297deda9f00304694a47e1a9e6
njrat
3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
njrat
81553f2de290ddf3a7dd40e0a8877781c8ac8cfb0fe5d0159a2b3ce3eda4c6f6
njrat
82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778
njrat
b85e964144a64d78fc54b4e6bae83ba6e1c7179f0a820f361c27f58842b6940a
njrat
b99755b5ef8145a14c9997d0702cad519f1768978c5b985da7bfc720d7de4152
njrat
cd0133076bb2594d02cc1a9ef7976ce41006ebc60c7f84b64a8199b4801f2ec5
njrat
dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45
njrat
+ 68 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201227-jm5e38bl8x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Modifies Windows Firewall
Unpacked files
SH256 hash:
9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e
MD5 hash:
47a5698ee9a6400a8a15650bdc4ce15c
SHA1 hash:
dc49fca5c9adf7ebd640ab0f6a399e03030a1b39
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/676c2191-bdde-488a-a9cb-72718a28e16d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e

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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
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.

Web download

njrat

Executable exe 9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e

(this sample)

  
Link
https://www.virustotal.com/gui/file/9e4ab954433fbb3105d9a23be20e66bc2d369fa29d034b40eaa7f2c6a88d2c6e/detection
  
Delivery method
Distributed via web download

Comments