MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778
SHA3-384 hash: 1e107c6190435821ffe4aa118372bbe2e37677e76445b157a651aef5dcff48b6be5280319bdac949e1bf10a887ae8862
SHA1 hash: 349decbb4ab40864006f470ef837f503a4ed3c45
MD5 hash: 0b316ba615bf53f19d39ccb382cdb15d
humanhash: cola-september-victor-carpet
File name:PHtKSdA3.exe
Download: download sample
Signature njrat
Create hunting rule
File size:33'280 bytes
First seen:2020-09-20 16:32:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:gfTwt5Zrw/0zDb3wbHwEEww3ccrfL6ADr:lukHg8Zww3caffDr
Threatray 47 similar samples on MalwareBazaar
TLSH 2AE2F84D73A48923C67E47B84E70954607F1C14B5526EBAF8EC460DA1EA7BE41E00EFB
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/63913/
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Creating a window
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/470900
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 dnsIp2 2 Behavior Graph ID: 287883 Sample: PHtKSdA3.exe Startdate: 20/09/2020 Architecture: WINDOWS Score: 100 22 2.tcp.ngrok.io 2->22 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 8 other signatures 2->36 8 PHtKSdA3.exe 7 4 2->8         started        12 PHtKSdA3.exe 2 2->12         started        14 PHtKSdA3.exe 2 2->14         started        16 PHtKSdA3.exe 2 2->16         started        signatures3 process4 dnsIp5 24 2.tcp.ngrok.io 3.130.209.29, 15696, 49728, 49730 AMAZON-02US United States 8->24 26 3.131.123.134, 15696, 49729, 49740 AMAZON-02US United States 8->26 28 4 other IPs or domains 8->28 38 Creates autostart registry keys with suspicious names 8->38 18 netsh.exe 3 8->18         started        signatures6 process7 process8 20 conhost.exe 18->20         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-20 16:34:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjrh2kxdxh3ten7eelgzwxeqvjnos6his75oir7qnqpmepudu54a._file
Verdict:
malicious
Similar samples:
0039b78d69f0c4d19035fdc8a5b3508c9a1f69cbb0a7011f2427febadb905aba
njrat
00b11363c9cd9f5e944789c5c8c8f190cb8952e572fcad351c10a0ffe4809765
njrat
08da1c7771ae637a3b09d9d636b97d6cefdd1794fe3de4ade9b676188e057370
njrat
14ba5f94a671a38e16b5166ebca44ddacd6fde3226015676f9c369c992b5d2f8
njrat
21ac08fc21c99e9c3522c3555adc2e54fdada5297deda9f00304694a47e1a9e6
njrat
2b942243439c92b4921032a08567d76c0baff766661083fe8f6a9ab66966926d
njrat
7f02a60405c2e31590a11c7c6d0442b36ecd3709644634cc6abeb7f16fd43e59
njrat
af21243da675a515c8e2ca9d00b5628c1201125b1a29d46a9df0cb0b63769942
njrat
b8b65fac514cb8b167eee1426b292e00506d347a5269a17bc76a4c9f28323b98
njrat
cd0133076bb2594d02cc1a9ef7976ce41006ebc60c7f84b64a8199b4801f2ec5
njrat
+ 37 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence evasion
Link:
https://tria.ge/reports/200920-w5ks191qxe/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Adds Run key to start application
Modifies Windows Firewall
Modifies Windows Firewall
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/82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778

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: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 82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778

(this sample)

  
Link
https://www.virustotal.com/gui/file/82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/63913/

Comments