MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1840872e8117b0efa252bc324ae2944d5c5b9242c928e3a568ccde06354eec35. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 1840872e8117b0efa252bc324ae2944d5c5b9242c928e3a568ccde06354eec35
SHA3-384 hash: 7a7022d98313ee3069fd030857eda5523b2187d1d8c4b22c98c9a78533680e9a4a60e90640b120acb1e27978403999d6
SHA1 hash: a5699e485d73471ecc45da327976aa6d2d2ac2cc
MD5 hash: 5786034e260eabfd710772bcfa97bc95
humanhash: east-avocado-kentucky-thirteen
File name:4yQyNsXLvwdE7h0o12Rg.exe
Download: download sample
File size:700'515 bytes
First seen:2021-02-04 02:53:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4bb6c97d0fd6fbaeabdd43515fbc6b28 (17 x DCRat, 1 x NanoCore)
ssdeep 12288:Ho4JzBT1HM6z+AXSqU5WjaNuJ4TB61sULwYh43J:HnZ+AXSqU5WON9QJwyc
Threatray 346 similar samples on MalwareBazaar
TLSH 9BE4F09EF1232F33CDA2F97D46F1E896AE1C2578021183DD5686E7FE3648D254A8903C
Reporter vm001cn

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4yQyNsXLvwdE7h0o12Rg.exe
Verdict:
Malicious activity
Analysis date:
2021-02-04 02:54:54 UTC
Tags:
rat backdoor dcrat trojan evasion stealer

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

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Launching a process
Creating a file in the Windows subdirectories
Sending a UDP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains in memory code execution
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: System File Execution Location Anomaly
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 348360 Sample: 4yQyNsXLvwdE7h0o12Rg.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 82 Antivirus detection for dropped file 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 .NET source code contains method to dynamically call methods (often used by packers) 2->86 88 7 other signatures 2->88 13 4yQyNsXLvwdE7h0o12Rg.exe 3 6 2->13         started        16 audiodg.exe 3 2->16         started        19 smartscreen.exe 2->19         started        21 4 other processes 2->21 process3 file4 74 C:\dlldhcp\TvyV4sMJtQ2q43rckgWS.exe, PE32 13->74 dropped 23 wscript.exe 1 13->23         started        76 Antivirus detection for dropped file 16->76 78 Machine Learning detection for dropped file 16->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->80 signatures5 process6 process7 25 cmd.exe 1 23->25         started        process8 27 TvyV4sMJtQ2q43rckgWS.exe 6 25->27         started        31 conhost.exe 25->31         started        file9 72 C:\dlldhcp\reviewcommon.exe, PE32 27->72 dropped 100 Multi AV Scanner detection for dropped file 27->100 102 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 27->102 33 wscript.exe 1 27->33         started        signatures10 process11 process12 35 cmd.exe 1 33->35         started        process13 37 reviewcommon.exe 7 15 35->37         started        41 conhost.exe 35->41         started        file14 64 C:\Windows\PolicyDefinitions\...\audiodg.exe, PE32 37->64 dropped 66 C:\ProgramData\...\wininit.exe, PE32 37->66 dropped 68 C:\Program Filesbehaviorgraphoogle\...\smartscreen.exe, PE32 37->68 dropped 70 3 other malicious files 37->70 dropped 90 Antivirus detection for dropped file 37->90 92 Machine Learning detection for dropped file 37->92 94 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 37->94 96 4 other signatures 37->96 43 schtasks.exe 1 37->43         started        46 schtasks.exe 1 37->46         started        48 schtasks.exe 1 37->48         started        50 4 other processes 37->50 signatures15 process16 signatures17 98 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 43->98 52 conhost.exe 43->52         started        54 conhost.exe 46->54         started        56 conhost.exe 48->56         started        58 conhost.exe 50->58         started        60 conhost.exe 50->60         started        62 conhost.exe 50->62         started        process18
Threat name:
Win32.Trojan.Phonzy
Status:
Malicious
First seen:
2021-02-04 02:53:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence ransomware spyware upx
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
22eb50f909c79a0fea19c70ddc25b28487ff82d3ff894463344c9e1463d0e30a
MD5 hash:
780f80040b99fb7c8359456ff201b92d
SHA1 hash:
a4476d3326c77d4dfc10bf95724dbd4966eb511f
SH256 hash:
1840872e8117b0efa252bc324ae2944d5c5b9242c928e3a568ccde06354eec35
MD5 hash:
5786034e260eabfd710772bcfa97bc95
SHA1 hash:
a5699e485d73471ecc45da327976aa6d2d2ac2cc
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:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments