MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8b455cc351263446a8a1afc1f2461d2cbcfca273aaa6be24c22afacd6f281a. 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: 14


Intelligence 14 IOCs 4 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8b455cc351263446a8a1afc1f2461d2cbcfca273aaa6be24c22afacd6f281a
SHA3-384 hash: eb620144abcd945e17ca5cba4b84b1ab57d8697fdd547ef86ae85859730529ba85ad258b7601aa23b03fed7bfb1eecd9
SHA1 hash: 77ace1902d0fb55a916fd825a24bd4bfa2527cf4
MD5 hash: cbfa2e4458747eecb05c8813a94700b2
humanhash: pasta-mexico-avocado-oranges
File name:cbfa2e4458747eecb05c8813a94700b2.exe
Download: download sample
Signature njrat
Create hunting rule
File size:708'096 bytes
First seen:2022-07-09 10:30:25 UTC
Last seen:2022-07-09 11:49:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7881c3f845ce297f3315d3f5f263dfc3 (1 x njrat)
ssdeep 12288:Cxjm58MYxJa5+ZMy5XmH/gaNAvVJS6x7ZA6kRWmLVB7ntcHn/h1PN5N8b:CxC5LYF521oVJf7ZFkPLVBtcH/h1PN5O
TLSH T182E4126E1C8531B4FFD4EE3741994BAD821B6C412202A43FDE1876F62F733DAA398954
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.142.167.54:13955

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.142.167.54:13955 https://threatfox.abuse.ch/ioc/821792/
3.19.130.43:13955 https://threatfox.abuse.ch/ioc/821793/
13.58.157.220:13955 https://threatfox.abuse.ch/ioc/821794/
3.142.81.166:13955 https://threatfox.abuse.ch/ioc/821795/

Intelligence

File Origin
# of uploads :
2
# of downloads :
493
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/285787/
Detection(s):
SecuriteInfo.com.DeepScan.Generic.MSIL.Bladabindi.9A2411EA.29393.11302.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for the window
Creating a file in the %AppData% directory
Searching for synchronization primitives
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/24728/overview
Behaviour
MalwareBazaar
VmWareBackdoor
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi packed
Link:
https://www.filescan.io/uploads/62c959226ee6df015bc2f22d/reports/fb315454-62a1-408f-a096-1ea0596b07ed/overview
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/faef7b3b-48b2-4b7b-b310-449bae1866bc
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1027715
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to spread to USB devices (.Net source)
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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: 660210 Sample: ME0C0HKRBI.exe Startdate: 09/07/2022 Architecture: WINDOWS Score: 100 45 8.tcp.ngrok.io 2->45 57 Snort IDS alert for network traffic 2->57 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 9 other signatures 2->63 10 ME0C0HKRBI.exe 2->10         started        signatures3 process4 signatures5 65 Contains functionality to inject code into remote processes 10->65 67 Injects a PE file into a foreign processes 10->67 13 ME0C0HKRBI.exe 3 10->13         started        process6 file7 35 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\Temp\HxD.exe, PE32 13->37 dropped 16 Server.exe 1 10 13->16         started        21 HxD.exe 13->21         started        process8 dnsIp9 39 8.tcp.ngrok.io 13.58.157.220, 13955, 49740, 49777 AMAZON-02US United States 16->39 41 3.142.129.56, 13955, 49764, 49766 AMAZON-02US United States 16->41 43 4 other IPs or domains 16->43 27 C:\Windows\SysWOW64\Discord.exe, PE32 16->27 dropped 29 C:\Users\user\AppData\Roaming\...\Discord.exe, PE32 16->29 dropped 31 C:\Users\user\AppData\Local\...\Discord.exe, PE32 16->31 dropped 33 C:\Program Files (x86)\Discord.exe, PE32 16->33 dropped 47 Antivirus detection for dropped file 16->47 49 Multi AV Scanner detection for dropped file 16->49 51 Machine Learning detection for dropped file 16->51 55 3 other signatures 16->55 23 netsh.exe 1 3 16->23         started        53 Contains functionality to detect sleep reduction / modifications 21->53 file10 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf8b455cc351263446a8a1afc1f2461d2cbcfca273aaa6be24c22afacd6f281a/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-07-06 15:39:26 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6fukxgdketdirviugx4d4sgduwlz7fcoovknpreyivpvtlpfana._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion suricata trojan upx
Link:
https://tria.ge/reports/220709-mkc55sgcb4/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
UPX packed file
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
OC50Y3Aubmdyb2suaW8Strik:MTM5NTU=
Unpacked files
SH256 hash:
52beb9e7a220798bc11e92ca2dff89cec61aaedef5109ceb1bd55903dbd9f230
MD5 hash:
3afdb44c71ecbfc79dda346b35ae4bf6
SHA1 hash:
f2b9e2513c9e919482d52652834c7f5db84faae7
Link:
https://www.unpac.me/results/cbe6d4fc-2cb7-4d70-8933-06e82cad335b/
SH256 hash:
e3c93ec9753c8c2c8d2276a99c34b3fe01bcca2b40b799c573ec9b459b29424f
MD5 hash:
6d192d5f2ea6d76de5075c351412fca6
SHA1 hash:
284c4d0bee3142b3b4cbef247076ec00cc390000
Link:
https://www.unpac.me/results/cbe6d4fc-2cb7-4d70-8933-06e82cad335b/
SH256 hash:
bf8b455cc351263446a8a1afc1f2461d2cbcfca273aaa6be24c22afacd6f281a
MD5 hash:
cbfa2e4458747eecb05c8813a94700b2
SHA1 hash:
77ace1902d0fb55a916fd825a24bd4bfa2527cf4
Link:
https://www.unpac.me/results/cbe6d4fc-2cb7-4d70-8933-06e82cad335b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf8b455cc351/report/overview.html
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/bf8b455cc351263446a8a1afc1f2461d2cbcfca273aaa6be24c22afacd6f281a

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

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/285787/

Comments