MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b. 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 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b
SHA3-384 hash: 521d94f9661fb07c2729e65a85702728a53f7eee17d466a1e397295e552ebd7c90e8f268204cf7fe3e59b8505b4d4a28
SHA1 hash: 73596fcaafdc6c178816c918d35a5b0167011435
MD5 hash: 9bb86c8073900283af53b3f55d5fedf3
humanhash: tennis-oscar-charlie-harry
File name:391BA9BD95B1804E47DB8C8C115F1268173824EBD1111.exe
Download: download sample
Signature njrat
Create hunting rule
File size:26'624 bytes
First seen:2021-08-13 22:16:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:qLJCnWzGgqhZArwvaGGuPh5BrM0AQk93vmhm7UMKmIEecKdbXTzm9bVhcalS6prZ:04vMAi0A/vMHTi9bDl
Threatray 67 similar samples on MalwareBazaar
TLSH T15BC2E86D37F58231C2EF0A7F4562EE1542B1E04BE226EB0E0CE998D94B5B3860B45FD5
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
23.105.131.196:8081

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
23.105.131.196:8081 https://threatfox.abuse.ch/ioc/185428/

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
391BA9BD95B1804E47DB8C8C115F1268173824EBD1111.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 22:18:33 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/694da762-bb43-4ac7-a86b-0df76c7f1ca6

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/179100/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a window
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
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Sending a UDP request
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
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/83416ea8-d2cc-450f-804f-eb59b65993f1
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832681
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Drops PE files to the startup folder
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 465112 Sample: 391BA9BD95B1804E47DB8C8C115... Startdate: 14/08/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 8 other signatures 2->47 8 391BA9BD95B1804E47DB8C8C115F1268173824EBD1111.exe 2 5 2->8         started        12 chrome.exe 3 2->12         started        14 Windows.exe 2 2->14         started        process3 file4 35 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 8->35 dropped 37 391BA9BD95B1804E47...3824EBD1111.exe.log, ASCII 8->37 dropped 57 Uses cmd line tools excessively to alter registry or file data 8->57 16 chrome.exe 4 4 8->16         started        21 attrib.exe 1 8->21         started        signatures5 process6 dnsIp7 39 favioserver.ddns.net 23.105.131.196, 49729, 8081 LEASEWEB-USA-NYC-11US United States 16->39 33 C:\Users\user\AppData\Roaming\...\Windows.exe, PE32 16->33 dropped 49 Antivirus detection for dropped file 16->49 51 Multi AV Scanner detection for dropped file 16->51 53 Protects its processes via BreakOnTermination flag 16->53 55 4 other signatures 16->55 23 attrib.exe 1 16->23         started        25 attrib.exe 1 16->25         started        27 conhost.exe 21->27         started        file8 signatures9 process10 process11 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-05-04 13:34:00 UTC
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hen2tpmvwgae4r63rsgbcxysnaltqjhl2eirygiouhxe6jw72z5q._file
Verdict:
suspicious
Similar samples:
416f3b7993ceaa6819402c66c9b2de0a4de163cd9765dd8dffe81cdbab538c48
njrat
66af5edcb0b90924a25f4cf764ae81eb754b58da9bde404761f48eafd1ead410
njrat
7f1cd16cd2d2e5644752a3e0fd411c3902bad47051779d5bd539e9650f53787c
njrat
89aea7429e8634bbba4d97c8576adb9568cdf91830d15ecd2c34c5a290f7b83f
njrat
8c9d614da4ea17f4261a105adbe73992c0df1f5639310f78db244fdf3fe338fe
njrat
c3ddf55e53888193522a7b619370b746cb0a79502c5157a98754a9009f644a11
njrat
ce30c428376eac3095f203ebe88f94a38737dc82f2ad018b2ae6c8569b389c5a
njrat
d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c
njrat
df047189f75d998dc499072881c762fd001360f5cf184b801cb8c232b5c567f6
njrat
f44394f10dd10600a8f25093e76fac442c594ea85debf6bfea0933766529f747
njrat
+ 57 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence suricata
Link:
https://tria.ge/reports/210813-gdge1yw6xn/
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
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b
MD5 hash:
9bb86c8073900283af53b3f55d5fedf3
SHA1 hash:
73596fcaafdc6c178816c918d35a5b0167011435
Link:
https://www.unpac.me/results/b89b7d95-0df7-4790-b374-89e21e7db409/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b

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:INDICATOR_SUSPICIOUS_EXE_attrib
Create hunting rule
Author:ditekSHen
Description:Detects executables using attrib with suspicious attributes attributes
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
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:pe_imphash
Create hunting rule
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/179100/

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