MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e. 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 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e
SHA3-384 hash: 5bb72eb8f42e3477f619c47c4c71b800e4ba26e784dd597bdee7830a86f1957b20812d432359d4a41521801a0bc47dc1
SHA1 hash: d9cd5a6a9c3a4334520aa7973e0b635aa5d810d0
MD5 hash: b6213d3c79c7ccf260fe77e446059ba4
humanhash: zebra-johnny-red-chicken
File name:b6213d3c79c7ccf260fe77e446059ba4.exe
Download: download sample
Signature njrat
Create hunting rule
File size:27'648 bytes
First seen:2022-08-17 21:35:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:YL8M2XwBNOaLNOFM/Av2yeCP1BBvMl7AQk93vmhm7UMKmIEecKdbXTzm9bVhca7n:m1220U0Wl7A/vMHTi9bD
TLSH T117C2F82D37B58232D2EE067E4562EA5043F5D04BF227FB0E4CD958E94B5B3CA0A41EE5
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:
192.223.27.228:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
192.223.27.228:5552 https://threatfox.abuse.ch/ioc/843903/

Intelligence

File Origin
# of uploads :
1
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
b6213d3c79c7ccf260fe77e446059ba4.exe
Verdict:
Malicious activity
Analysis date:
2022-08-17 21:37:46 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/00a17d9c-841c-437f-9de8-ea76117f6390

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/299399/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
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
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat bladabindi cmd.exe fingerprint greyware njrat packed rat stealer windows
Link:
https://www.filescan.io/uploads/62fd5fbdeeda089236a166e0/reports/14aecc38-3d9e-4898-9052-2e0ebd9ad1fe/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/dd685110-8c33-4c2a-9fc7-40413793f929
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053381
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
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
Snort IDS alert for network traffic
Uses cmd line tools excessively to alter registry or file data
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 685898 Sample: MiiDc4Bnxh.exe Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 9 other signatures 2->47 8 MiiDc4Bnxh.exe 2 7 2->8         started        12 Windows.exe 4 2->12         started        14 asdagsbsdbsd.exe 4 2->14         started        process3 file4 35 C:\Users\user\AppData\...\asdagsbsdbsd.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\...\MiiDc4Bnxh.exe.log, ASCII 8->37 dropped 57 Uses cmd line tools excessively to alter registry or file data 8->57 16 asdagsbsdbsd.exe 4 6 8->16         started        21 attrib.exe 1 8->21         started        signatures5 process6 dnsIp7 39 192.223.27.228, 49711, 5552 INTERNAP-BLK3US United States 16->39 33 C:\Users\user\AppData\Roaming\...\Windows.exe, PE32 16->33 dropped 49 Antivirus detection for dropped file 16->49 51 Multi AV Scanner detection for dropped file 16->51 53 Machine Learning detection for dropped file 16->53 55 3 other signatures 16->55 23 attrib.exe 1 16->23         started        25 attrib.exe 1 16->25         started        27 conhost.exe 21->27         started        file8 signatures9 process10 process11 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 00:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=st744u4sgg4rfcungxsrcabvtae6oi4wlotaehf4pbjlazschipa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:money persistence trojan
Link:
https://tria.ge/reports/220817-1fwnksdaer/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
192.223.27.228:5552
Unpacked files
SH256 hash:
94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e
MD5 hash:
b6213d3c79c7ccf260fe77e446059ba4
SHA1 hash:
d9cd5a6a9c3a4334520aa7973e0b635aa5d810d0
Link:
https://www.unpac.me/results/30755224-c113-49c4-85ae-9acc764b41be/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.78
Link:
https://yomi.yoroi.company/submissions/94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e

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:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_attrib
Create hunting rule
Author:ditekSHen
Description:Detects executables using attrib with suspicious attributes attributes
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
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:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key

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/299399/

Comments