MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0. 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 2 YARA 10 File information Comments

SHA256 hash: d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0
SHA3-384 hash: 77dc913c564de77099bc6297f9267ce2c9f0183ae965db87fb32dadfbacfaba230608480bda2ccebe92c92bd6aa9bdd7
SHA1 hash: 89d5914fa02ed618d4eb4fe4d6a8a601b41ec42b
MD5 hash: cfca60135ace947b42f62ac66f22c512
humanhash: grey-network-friend-diet
File name:cfca60135ace947b42f62ac66f22c512.exe
Download: download sample
Signature njrat
File size:32'256 bytes
First seen:2022-01-10 08:26:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:XzfgTV5VXPKzxF+dtMzK3n+rv8lQmIDUu0ti9Fj:mfqsiQQVkGj
Threatray 306 similar samples on MalwareBazaar
TLSH T189E21AADFBE64466D1BC0AB50571950013B4E043E523E77E8ECA24E62B2B7C84B94DF2
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.134.125.175:18994

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.134.125.175:18994 https://threatfox.abuse.ch/ioc/292199/
3.14.182.203:18994 https://threatfox.abuse.ch/ioc/292200/

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cfca60135ace947b42f62ac66f22c512.exe
Verdict:
Malicious activity
Analysis date:
2022-01-10 08:29:55 UTC
Tags:
rat njrat bladabindi trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
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
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd.exe control.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe winnti
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.
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
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
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
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)
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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 549999 Sample: dnF2IAYI2P.exe Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 40 0.tcp.ngrok.io 2->40 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 16 other signatures 2->58 9 dnF2IAYI2P.exe 1 4 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 9 1 2->15         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 36 C:\Users\user\AppData\Local\...\svchost.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\...\dnF2IAYI2P.exe.log, ASCII 9->38 dropped 68 Drops PE files with benign system names 9->68 20 svchost.exe 3 5 9->20         started        70 Changes security center settings (notifications, updates, antivirus, firewall) 13->70 25 MpCmdRun.exe 1 13->25         started        50 127.0.0.1 unknown unknown 15->50 file6 signatures7 process8 dnsIp9 42 0.tcp.ngrok.io 3.13.191.225, 18994, 49767 AMAZON-02US United States 20->42 44 3.134.125.175, 18994, 49770, 49773 AMAZON-02US United States 20->44 46 2 other IPs or domains 20->46 34 C:\...\9b8a3c55ddf9e26fc7191bb2a3876cd8.exe, PE32 20->34 dropped 60 Antivirus detection for dropped file 20->60 62 System process connects to network (likely due to code injection or exploit) 20->62 64 Multi AV Scanner detection for dropped file 20->64 66 5 other signatures 20->66 27 netsh.exe 1 3 20->27         started        30 conhost.exe 25->30         started        file10 signatures11 process12 dnsIp13 48 192.168.2.1 unknown unknown 27->48 32 conhost.exe 27->32         started        process14
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-01-06 23:51:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
38 of 43 (88.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:mybot evasion persistence suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
0.tcp.ngrok.io:18994
Unpacked files
SH256 hash:
d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0
MD5 hash:
cfca60135ace947b42f62ac66f22c512
SHA1 hash:
89d5914fa02ed618d4eb4fe4d6a8a601b41ec42b
Detections:
win_njrat_w1 win_njrat_g1
Malware family:
Winnti Group
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_njrat_w1
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.

Comments