MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98
SHA3-384 hash: fa137fa94577aa04e0c4173ed66447fa4a625c034088c028987e775392add1290e4b96db5d7bfc530f00f3bf84d89c0e
SHA1 hash: ec3013696893908ec7a726325da37bbf22c04eee
MD5 hash: 2821b719af8d6e8a54926a0536c52feb
humanhash: floor-minnesota-alanine-emma
File name:88019B018015F33C8CA9290A531027E90EAE517F6B590.exe
Download: download sample
Signature njrat
Create hunting rule
File size:14'241'792 bytes
First seen:2021-12-28 18:01:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 393216:SDEneC8tNoXMD57y6t5p/BCm8C+TxOgDHTmENCi:oNo8D46na5VNmuC
TLSH T1D6E6CD013AD553BBDE8B4DB3C8DEEDC247E4FE126727920B31403F6476A1A520A15BA7
File icon (PE):PE icon
dhash icon a6a4a4a4a4a4a4a4 (1 x njrat, 1 x XFilesStealer, 1 x RustyStealer)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
45.76.149.180:24

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.76.149.180:24 https://threatfox.abuse.ch/ioc/288862/

Intelligence

File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
88019B018015F33C8CA9290A531027E90EAE517F6B590.exe
Verdict:
Malicious activity
Analysis date:
2021-12-28 18:02:40 UTC
Tags:
installer
Link:
https://app.any.run/tasks/df6cca4d-856e-432d-aef0-aea5992b0f01

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Autoit-7640561-0
Create hunting rule

Win.Packed.Generic-9805835-0
Create hunting rule

Win.Trojan.Bladabindi-9815414-0
Create hunting rule

Win.Packed.Zusy-6860470-0
Create hunting rule

Win.Malware.Bladabindi-6862380-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Launching the process to change the firewall settings
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit hacktool njrat obfuscated packed rat
Link:
https://www.filescan.io/uploads/61cb50e78991ba72b39d12a8/reports/0d37c8af-acae-4a35-8d21-2eeb6f7cd775/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:
Malicious
Link:
https://analyze.intezer.com/analyses/f9ecf426-edbb-46cb-ab28-6b3596d9a53a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913534
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Creates autostart registry keys with suspicious names
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
Sigma detected: Change PowerShell Policies to a Unsecure Level
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546012 Sample: 88019B018015F33C8CA9290A531... Startdate: 28/12/2021 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for dropped file 2->86 88 14 other signatures 2->88 10 88019B018015F33C8CA9290A531027E90EAE517F6B590.exe 6 2->10         started        13 Microsoft OneDrive.exe 2->13         started        15 Microsoft OneDrive.exe 2->15         started        17 Microsoft OneDrive.exe 2->17         started        process3 file4 70 C:\Users\user\...\Microsoft Toolkit.exe, PE32 10->70 dropped 72 Do you want to all... to your device.exe, PE32 10->72 dropped 74 88019B018015F33C8C...AE517F6B590.exe.log, ASCII 10->74 dropped 19 Do you want to allow this app to make changes to your device.exe 6 10->19         started        22 Microsoft Toolkit.exe 5 10->22         started        process5 file6 64 C:\Users\user\AppData\Local\Temp\Lost.exe, PE32 19->64 dropped 66 C:\Users\user\AppData\...\Controlled.exe, PE32 19->66 dropped 24 Controlled.exe 19->24         started        27 Lost.exe 1 8 19->27         started        process7 file8 90 Antivirus detection for dropped file 24->90 92 Multi AV Scanner detection for dropped file 24->92 94 Binary is likely a compiled AutoIt script file 24->94 96 Adds a directory exclusion to Windows Defender 24->96 30 cmd.exe 1 24->30         started        33 cmd.exe 24->33         started        35 cmd.exe 24->35         started        76 C:\Users\user\...\Microsoft OneDrive.exe, PE32 27->76 dropped 78 C:\Tools.exe, PE32 27->78 dropped 98 Machine Learning detection for dropped file 27->98 37 Microsoft OneDrive.exe 27->37         started        signatures9 process10 dnsIp11 102 Bypasses PowerShell execution policy 30->102 104 Adds a directory exclusion to Windows Defender 30->104 41 powershell.exe 8 30->41         started        44 conhost.exe 30->44         started        46 powershell.exe 33->46         started        48 conhost.exe 33->48         started        50 powershell.exe 35->50         started        52 conhost.exe 35->52         started        80 visual.serveftp.com 45.76.149.180, 24, 49754 AS-CHOOPAUS United States 37->80 68 C:\...\e670d2a55524d983fee0be3df7ccf301.exe, PE32 37->68 dropped 106 Creates autostart registry keys with suspicious names 37->106 54 netsh.exe 37->54         started        file12 signatures13 process14 signatures15 100 Adds a directory exclusion to Windows Defender 41->100 56 powershell.exe 41->56         started        58 powershell.exe 46->58         started        60 powershell.exe 50->60         started        62 conhost.exe 54->62         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98/
Threat name:
Win32.Trojan.Povertel
Create hunting rule
Status:
Malicious
First seen:
2021-12-25 07:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
58
AV detection:
22 of 43 (51.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=raazwamacxztzdfjfeffgebh5ehk4ul7nnmq7mlrdxub74rc5wma._file
Verdict:
malicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence suricata trojan
Link:
https://tria.ge/reports/211228-wlx2dacfdq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
autoit_exe
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
UAC bypass
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98
MD5 hash:
2821b719af8d6e8a54926a0536c52feb
SHA1 hash:
ec3013696893908ec7a726325da37bbf22c04eee
Link:
https://www.unpac.me/results/3caf903c-9a98-40d9-8b86-cc288d1dc6b4/
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/88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Comments