MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a. 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: 13


Intelligence 13 IOCs 2 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a
SHA3-384 hash: 7b573d9622c3e41d4ceaad3ffa6f95187a2026299f36cf6c3518f2d36c4eb73c5dbbd0b32f139dd6a7fbd93db0c11557
SHA1 hash: 9ad3a3a9ba4f5fa997298c893e085dd77f635b0b
MD5 hash: c54c1e78c781a6c95919a012c30c0c32
humanhash: east-music-network-bravo
File name:jopa.exe
Download: download sample
Signature njrat
Create hunting rule
File size:355'150 bytes
First seen:2022-07-04 12:12:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (388 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 6144:+TouKrWBEu3/Z2lpGDHU3ykJyT+tjs/aPxsch:+ToPWBv/cpGrU3yDT+tjIMxdh
TLSH T12474C003BDC195B2C46208321B696B61B97CBE201F65CEDBB3D42E6DDA311D0E7357A2
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)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter Anonymous
Tags:exe NjRAT

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
18.197.239.5:11696 https://threatfox.abuse.ch/ioc/754633/
109.197.196.135:9991 https://threatfox.abuse.ch/ioc/754635/

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
jopa.exe
Verdict:
Malicious activity
Analysis date:
2022-07-04 11:46:08 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/04f407cc-f2aa-4b04-a97a-797120c1b6aa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Steam.28157.UNOFFICIAL
Create hunting rule

Win.Malware.Fugrafa-9938779-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Creating a file in the %AppData% directory
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Launching a process
Modifying a system executable file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/23712/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi greyware njrat overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/62c2d94f783441cda103fe26/reports/656c1b34-18c5-48f6-849d-401b2b4ed4a7/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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2f987c8-b76d-4c6d-bd1e-ad789d8c8d5e
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024170
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Deletes keys related to Windows Defender
Deletes keys which are related to windows safe boot (disables safe mode boot)
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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 dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656664 Sample: jopa.exe Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 13 other signatures 2->81 9 jopa.exe 7 2->9         started        12 Server.exe 3 2->12         started        14 dllhost.exe 3 2->14         started        16 explorer.exe 2->16         started        process3 file4 51 C:\Users\user\Desktop\Server.exe, PE32 9->51 dropped 53 C:\Users\user\Desktop\Seer.exe, PE32 9->53 dropped 18 Seer.exe 5 9->18         started        22 Server.exe 4 9 9->22         started        process5 dnsIp6 43 C:\Users\user\AppData\Roaming\dllhost.exe, PE32 18->43 dropped 83 Antivirus detection for dropped file 18->83 85 Machine Learning detection for dropped file 18->85 25 dllhost.exe 2 14 18->25         started        61 2.tcp.eu.ngrok.io 18.157.68.73, 11696, 49768 AMAZON-02US United States 22->61 63 18.197.239.5, 11696, 49808 AMAZON-02US United States 22->63 45 C:\svchost.exe, PE32 22->45 dropped 47 C:\...\b40c8069f7901ea328823f37ffd1b3b2.exe, PE32 22->47 dropped 49 C:\autorun.inf, Microsoft 22->49 dropped 87 Protects its processes via BreakOnTermination flag 22->87 89 Creates autorun.inf (USB autostart) 22->89 91 Creates autostart registry keys with suspicious names 22->91 93 5 other signatures 22->93 30 netsh.exe 1 3 22->30         started        file7 signatures8 process9 dnsIp10 65 109.197.196.135, 49769, 9991 TELECOMRUNETRU Russian Federation 25->65 55 C:\...\413491cbe232876548b9b7cd8a1b451d.exe, PE32 25->55 dropped 57 C:\Users\user\AppData\...\tmp4603.tmp.exe, PE32 25->57 dropped 59 C:\Users\user\AppData\...\tmp20FA.tmp.exe, PE32 25->59 dropped 95 Antivirus detection for dropped file 25->95 97 System process connects to network (likely due to code injection or exploit) 25->97 99 Protects its processes via BreakOnTermination flag 25->99 101 4 other signatures 25->101 32 tmp20FA.tmp.exe 25->32         started        35 tmp4603.tmp.exe 25->35         started        37 netsh.exe 3 25->37         started        39 conhost.exe 30->39         started        file11 signatures12 process13 signatures14 67 Antivirus detection for dropped file 32->67 69 Machine Learning detection for dropped file 32->69 71 Creates multiple autostart registry keys 32->71 73 2 other signatures 32->73 41 conhost.exe 37->41         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-07-04 12:13:07 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ytukpdl27aelj7qpu7mmpwrlfzvdmqtemiom6uqfpde5luc3vjna._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:njrat botnet:gay botnet:next evasion persistence suricata trojan
Link:
https://tria.ge/reports/220704-pdqh1ahbbr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
ModiLoader Second Stage
ModiLoader, DBatLoader
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)
Malware Config
C2 Extraction:
2.tcp.eu.ngrok.io:11696
109.197.196.135:9991
Unpacked files
SH256 hash:
9e78176d32a13d7f6fdb14088ea791270fd77e236ea59dfedf2bf31ebb2c9282
MD5 hash:
666702f184e7920a2eab5bcaa67104f3
SHA1 hash:
0ed990a62b03df5912d69266ffd38e8201503cdc
Link:
https://www.unpac.me/results/e4e1985f-03da-493f-9ff0-afbb078a59d0/
SH256 hash:
c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a
MD5 hash:
c54c1e78c781a6c95919a012c30c0c32
SHA1 hash:
9ad3a3a9ba4f5fa997298c893e085dd77f635b0b
Link:
https://www.unpac.me/results/e4e1985f-03da-493f-9ff0-afbb078a59d0/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a

(this sample)

  
Delivery method
Distributed via web download

Comments