MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3c8e66188c83c50326a1fee642e7b80d2a1ef4e624e1a8738a468a9695d3717. 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: 16


Intelligence 16 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3c8e66188c83c50326a1fee642e7b80d2a1ef4e624e1a8738a468a9695d3717
SHA3-384 hash: c69ead643086abbf4fe9a8b74c30b0250c6872638caf27bc19918aa5ac9f62f637e6278fc08e73f742885dbceb8b289e
SHA1 hash: 95db552d4949714221295ff7fb0ee8b1d5806850
MD5 hash: 311dd29e19b6777c6d3443ad1571c7a6
humanhash: magnesium-blue-india-floor
File name:311dd29e19b6777c6d3443ad1571c7a6.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2022-06-10 18:12:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'644 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 384:KI0KMizdNjnBhFbJ8ycPlXP/3w6EWjrAF+rMRTyN/0L+EcoinblneHQM3epzXhNA:R0gNlLJfcPlX31EQrM+rMRa8NufOft
Threatray 894 similar samples on MalwareBazaar
TLSH T13E032A4D7FE18168C5FD057B06B2D41207BAE04F6E23D91E8EF564AA37632C08B54AF2
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
109.197.196.135:1604

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
109.197.196.135:1604 https://threatfox.abuse.ch/ioc/689373/

Intelligence

File Origin
# of uploads :
1
# of downloads :
437
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
r.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 12:03:39 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/53eb2fc0-ecae-45b0-8a1d-690d9aef8965

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/278753/
Detection(s):
Win.Packed.Bladabindi-7994427-0
Create hunting rule

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

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Modifying a system executable file
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe dllhost.exe fingerprint greyware keylogger njrat packed rat stealer windows
Link:
https://www.filescan.io/uploads/62a389af8763ffd4adae20fb/reports/2d4da707-72a4-4209-88e9-657b40605855/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/0c21c0a1-ad4e-4197-b21c-06b1b2b40c18
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011050
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
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)
Modifies the windows firewall
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 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: 643543 Sample: hk276zkIf6.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 13 other signatures 2->48 8 hk276zkIf6.exe 1 6 2->8         started        11 dllhost.exe 3 2->11         started        13 dllhost.exe 2 2->13         started        15 dllhost.exe 2 2->15         started        process3 file4 34 C:\Users\user\AppData\Roaming\dllhost.exe, PE32 8->34 dropped 36 C:\Users\user\...\dllhost.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\hk276zkIf6.exe.log, ASCII 8->38 dropped 17 dllhost.exe 6 14 8->17         started        process5 dnsIp6 40 109.197.196.135, 1604, 49765, 49770 TELECOMRUNETRU Russian Federation 17->40 26 C:\autorun.exe, PE32 17->26 dropped 28 C:\...\eb905158253099e90e86b47395468a5b.exe, PE32 17->28 dropped 30 C:\autorun.inf, Microsoft 17->30 dropped 32 2 other malicious files 17->32 dropped 50 Antivirus detection for dropped file 17->50 52 System process connects to network (likely due to code injection or exploit) 17->52 54 Multi AV Scanner detection for dropped file 17->54 56 7 other signatures 17->56 22 netsh.exe 1 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3c8e66188c83c50326a1fee642e7b80d2a1ef4e624e1a8738a468a9695d3717/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 15:45:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4peomymiza6famtkd7xgilt3qdjkd32omjhbvbzyuruks2k5g4lq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
00a73c3bec537f33c6fedb1bcbe896fb9516730ea23b6fad80f422b4ad747bbd
njrat
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
0a9a8f283f2cbe68fecd12991bd75662d3e60b1db10f30ed99539c252703a2ee
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
b4401786ef72c3baf0f60c69e620839a1967cb79d398aae5ec9f5eb84fa46705
njrat
cd530089d9213bf1f671ce688ee3852587fe4b85c29c957b5c534834cad2f9af
njrat
cf0f62c6105ceec3db23af296678feed3ea95d14ff032223d5397c7351cfc9e0
njrat
ffcc6e6085a46db6e2b386f71b64de16b528e3d470d7ebc7b96842cb9e910eec
njrat
+ 884 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:njrat botnet:mediaget evasion persistence suricata trojan
Link:
https://tria.ge/reports/220610-wtql9sadh2/
Behaviour
Modifies registry class
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 Installed Components in the registry
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)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Remote Desktop)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
Malware Config
C2 Extraction:
109.197.196.135:1604
Unpacked files
SH256 hash:
e3c8e66188c83c50326a1fee642e7b80d2a1ef4e624e1a8738a468a9695d3717
MD5 hash:
311dd29e19b6777c6d3443ad1571c7a6
SHA1 hash:
95db552d4949714221295ff7fb0ee8b1d5806850
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/72f16977-3ffa-4acc-bb87-9369cb80a29c/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3c8e66188c8/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/e3c8e66188c83c50326a1fee642e7b80d2a1ef4e624e1a8738a468a9695d3717

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/278753/

Comments