MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccefaff00ce5d029e3ac220ce7a0ae2aa4a852c4e7c342910069474469ed78ed. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ccefaff00ce5d029e3ac220ce7a0ae2aa4a852c4e7c342910069474469ed78ed
SHA3-384 hash: 9e34d2b471dbaf5c18e5601a4a930a4b525d740e86dd376c307e3aa9b81974356968b7972af7e97d4d52a96d8f6dde03
SHA1 hash: e26f031138bace06d792f6de0972be56f4856a0f
MD5 hash: bb9579e8278daf8bfea4002207db5e23
humanhash: juliet-ohio-july-lithium
File name:OTC_ EZinjector.v2.bin
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-08-31 11:19:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:n8Zy4Qp3VarE8yTB1fqrkMwEnwDai0+TzEIij+ZsNO3PlpJKkkjh/TzF7pWny/gm:n67C3MY5TnfqrxQDVuXQ/oj3+L
Threatray 12 similar samples on MalwareBazaar
TLSH 7D13E74CB694E174D5FF8BF1B4A1B2890B71A01BA906930F99F114D98FB3EC09611EE7
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53439/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Packed.Krypt-6888233-0
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
DNS request
Connection attempt
Creating a window
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
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455340
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
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
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 280048 Sample: OTC_ EZinjector.v2.bin Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 9 other signatures 2->46 8 OTC_ EZinjector.v2.exe 1 3 2->8         started        12 Server.exe 1 2->12         started        15 Dllhost.exe 1 2->15         started        17 5 other processes 2->17 process3 dnsIp4 38 192.168.2.1 unknown unknown 8->38 32 C:\Users\user\AppData\Local\...\Dllhost.exe, PE32 8->32 dropped 34 C:\Users\user\...\OTC_ EZinjector.v2.exe.log, ASCII 8->34 dropped 19 Dllhost.exe 3 4 8->19         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 file5 signatures6 process7 dnsIp8 36 fkesaulka.ddns.net 31.207.166.205, 1604 INTERSVYAZ-AS38-BKomsomolskyprospektRU Russian Federation 19->36 28 C:\Users\user\AppData\...\Java update.exe, PE32 19->28 dropped 30 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 19->30 dropped 48 Antivirus detection for dropped file 19->48 50 System process connects to network (likely due to code injection or exploit) 19->50 52 Multi AV Scanner detection for dropped file 19->52 54 3 other signatures 19->54 24 schtasks.exe 1 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ccefaff00ce5d029e3ac220ce7a0ae2aa4a852c4e7c342910069474469ed78ed/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 11:19:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ztx274am4xicty5meigopifofkskquwe47bufeianfdui2pnpdwq._file
Verdict:
malicious
Similar samples:
04a4d40515b77903bb9472b01aaf951f059236999665e847a660ed99d929b78b
njrat
28f39e656758b6c40db049e40bbfe958a7a20a754ea6531ccca3e4fdb8dcc66a
njrat
5276b591cc35064bcf552fbd676416e4b8c4c0cfce0e0cec7da9703bdd9fccb1
njrat
610c374d9fcc17102ba7dc8ee3ec5cb569c60d0e86f25b004dfe8d24781f8310
njrat
87c0e0f48bb2599f74c15f8f9e4d3bc96befad82a33de62f89d3bc76d546d8cd
njrat
b4bbfec518b34f417680149af477857ce1a27aa23eaceb4eb99d62230e376ba9
njrat
c2a645b457a4ba814aa0c116f2a501176531ce29d32a695c45c5022d6aabb271
njrat
c6d93ae492f6a2b687c64cc388cf0a483f44428b843c5b384c156f018a2cf63c
njrat
d6f0bfa0aa9e2b9004d36f51fff20f947adbaa6bbb7fffdde1fc37d105fa7257
njrat
e2136c8268bb5be4fe2a295a9bb9250c00437452cd3d65822290e3a68b1fb94b
njrat
+ 2 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/200831-z7p5b9y1ln/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Adds Run key to start application
Drops startup file
Loads dropped DLL
Drops startup file
Executes dropped EXE
Executes dropped EXE
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/ccefaff00ce5d029e3ac220ce7a0ae2aa4a852c4e7c342910069474469ed78ed

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

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/53439/

Comments