MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66
SHA3-384 hash: 9ae5d6f99aad5da7d200b5096b1314043cdd7e4d85084a875ae9a034b12e1e3e433f530714548f6b7184cce0480e1a10
SHA1 hash: e1174943930a8ee474de3433660f0bb25bf966ec
MD5 hash: 132fab98b7a89300b82e286d26d7be90
humanhash: cup-crazy-finch-apart
File name:dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66
Download: download sample
Signature njrat
Create hunting rule
File size:704'576 bytes
First seen:2021-09-03 09:06:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:enbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbWx3JnbN:emmmmmmmmmmmmmmmw
Threatray 96 similar samples on MalwareBazaar
TLSH T1FAE4E74CB690E175D6FF8BF1B4A2B2890B71A01BA902D30F99F154D94B73EC09611EE7
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
558
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66
Verdict:
Malicious activity
Analysis date:
2021-09-03 09:19:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/284a8a27-8b04-4b6e-a427-d4362fe2aaba

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/185115/
Detection(s):
Win.Trojan.B-468
Create hunting rule

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

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

Win.Packed.Msilperseus-9220094-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/42ca30fa-ea10-45d4-8412-7670805bcc6e
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844672
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Drops PE files to the startup folder
Found malware configuration
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-09-02 04:17:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
35 of 43 (81.40%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rsk4srh4y3ilomztqjnngmiitptjswga67d2jwfbbr5vk4vfjta._file
Verdict:
suspicious
Similar samples:
05ceabfcdfd5657ab74ef80a752f47b6c9e30231fd8f923b6ff536d046d36400
njrat
10af2cacc6d5057ff24acfd6811ba45568d6542de1fcfb526f7b9029661f4df9
njrat
36157bcd02a5c23a3d161cef0e3aacc07c73e91e0a98cfb9f68852d144d43404
njrat
47100ab9743963083d8326f47287f8a28eabac99c8043369e00adaa95ab0bacf
njrat
66b7801dda02c0960db7cd209083293efdc66669552d602fa74cb468b8b41150
njrat
84b6b4da902eec98b042c06c69527db1319a37d4d1e12e1fea314d514392fda4
njrat
9765d205b8b16a05e807f239217a734f37a1d7b263a116ee336d39688bb2ce58
njrat
aad1019189d0f856e1a35c778a446a3aea6b0e704d175d677f523da6c0242b40
njrat
bffa8c77d1dac6b0b0af3c5653a5190ea5d0bc0c0b22f44237bfd66bf351a0d6
njrat
f47e5170400f759777d84d93b114348b904aed870ee7d39a697f8b1f884d77ae
njrat
+ 86 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked persistence trojan
Link:
https://tria.ge/reports/210903-k3cwzschb3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
68.235.38.175:5552
Unpacked files
SH256 hash:
dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66
MD5 hash:
132fab98b7a89300b82e286d26d7be90
SHA1 hash:
e1174943930a8ee474de3433660f0bb25bf966ec
Link:
https://www.unpac.me/results/145f2593-8400-4946-a8ca-02da3f664307/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dc64ae4a27e63685b9999c12d6998844df34cac607be3d26c50863daab952a66

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: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_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
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/185115/

Comments