MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4db108cf0378fbb6926392316ef22af2880f110dacd44e0df57cfbd070edc2e4. 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: 11


Intelligence 11 IOCs 4 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4db108cf0378fbb6926392316ef22af2880f110dacd44e0df57cfbd070edc2e4
SHA3-384 hash: 5c0d3482236d47f8d917873d87a30c9940b725f0fbf3c444f60cd8fc3a78736aa99ad6f74ef7312d5a05d14937d1a5bf
SHA1 hash: 8c7622466a023b9050ae0d71adb83ab59bd7a48c
MD5 hash: 05bd6acaa1d9b4b7ce0dbe21f261a63f
humanhash: august-black-nuts-bluebird
File name:05bd6acaa1d9b4b7ce0dbe21f261a63f.exe
Download: download sample
Signature njrat
Create hunting rule
File size:25'950 bytes
First seen:2022-05-13 21:56:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:svpy+VmgOf5/eMBPOUAHARsVTFobtE5h2wCF:QXVchGMBWlgqmtEmj
Threatray 230 similar samples on MalwareBazaar
TLSH T183C2C001914096B7DA1647BB2FA712D0A3A491D77ED34D29B1984FB6DCD92ED1B223C0
TrID 52.9% (.EXE) Win32 Executable (generic) (4505/5/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.68.56.232:18211

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.68.56.232:18211 https://threatfox.abuse.ch/ioc/561834/
3.126.224.214:18211 https://threatfox.abuse.ch/ioc/561835/
3.125.188.168:18211 https://threatfox.abuse.ch/ioc/561836/
3.124.67.191:18211 https://threatfox.abuse.ch/ioc/561837/

Intelligence

File Origin
# of uploads :
1
# of downloads :
440
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/270523/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe obfuscated overlay packed packed schtasks.exe update.exe
Link:
https://www.filescan.io/uploads/627ed44540028d3247d23134/reports/ccabc18b-5ff4-43e5-bd0a-d9ec714d3ef3/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ad9f3a27-4e3e-4ac2-94ff-c1e5e86e5834
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/993921
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files to the startup folder
Drops PE files with benign system names
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 domain / URL
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
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 626416 Sample: 96WoEGivww.exe Startdate: 13/05/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 9 other signatures 2->56 8 96WoEGivww.exe 1 3 2->8         started        12 Server.exe 1 2->12         started        14 svchost.exe 2->14         started        16 18 other processes 2->16 process3 dnsIp4 36 C:\Users\user\AppData\Roaming\svchost.exe, MS-DOS 8->36 dropped 38 C:\Users\user\AppData\...\96WoEGivww.exe.log, ASCII 8->38 dropped 66 Drops PE files with benign system names 8->66 19 svchost.exe 3 4 8->19         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 74 Changes security center settings (notifications, updates, antivirus, firewall) 14->74 24 MpCmdRun.exe 14->24         started        40 127.0.0.1 unknown unknown 16->40 42 time.windows.com 16->42 76 System process connects to network (likely due to code injection or exploit) 16->76 file5 signatures6 process7 dnsIp8 44 3.124.67.191, 18211, 49780 AMAZON-02US United States 19->44 46 7.tcp.eu.ngrok.io 3.125.188.168, 18211, 49757, 49771 AMAZON-02US United States 19->46 48 2 other IPs or domains 19->48 32 C:\Users\user\AppData\...\RtkAudUService.exe, MS-DOS 19->32 dropped 34 C:\Users\user\AppData\Local\Temp\Server.exe, MS-DOS 19->34 dropped 58 Antivirus detection for dropped file 19->58 60 System process connects to network (likely due to code injection or exploit) 19->60 62 Multi AV Scanner detection for dropped file 19->62 64 4 other signatures 19->64 26 schtasks.exe 1 19->26         started        28 conhost.exe 24->28         started        file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4db108cf0378fbb6926392316ef22af2880f110dacd44e0df57cfbd070edc2e4/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 05:12:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
30 of 41 (73.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwyqrtydpd53netdsiyw54rk6kea6einvtke4dpvpt55a4hnylsa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
29c2ba9035cdd613e5cf38e3441a3be91e39c724707659a6473b0e4e24e4bb38
njrat
36157bcd02a5c23a3d161cef0e3aacc07c73e91e0a98cfb9f68852d144d43404
njrat
66b7801dda02c0960db7cd209083293efdc66669552d602fa74cb468b8b41150
njrat
7c321e4c1f7dee37aab2fd65d50987b9502a3700348ef2ab08d79a952ff27ab7
njrat
9765d205b8b16a05e807f239217a734f37a1d7b263a116ee336d39688bb2ce58
njrat
bfe59c93f29b158055b230b51abfa92276519a307bcbf940a29e1fdbaa150bc2
njrat
c13dfa4eb40ee0a1841efd1fda20d1f6045d4f28ee771dda0784ada2481b569a
njrat
+ 220 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked persistence suricata trojan
Link:
https://tria.ge/reports/220513-1twwhacae4/
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
Checks computer location settings
Drops startup file
Executes dropped EXE
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
7.tcp.eu.ngrok.io:18211
Gathering data
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/4db108cf0378fbb6926392316ef22af2880f110dacd44e0df57cfbd070edc2e4

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: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/270523/

Comments