MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9938744085476c6c3c3c8161c659428dc9d8221dace21e1617bebf68fedf459b. 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: 5


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

SHA256 hash: 9938744085476c6c3c3c8161c659428dc9d8221dace21e1617bebf68fedf459b
SHA3-384 hash: 6db4d15e9bcba4563c87e7fcdfcde6996acf2f6df622f917877576d71bcb44a9bc0b3efc00471cda285c0773bd7143c7
SHA1 hash: 9cf6fbb195cebf2690060ad8c4f7a70865a9b00f
MD5 hash: 4ab192dee3baee2ce36c68de5e807af8
humanhash: grey-pizza-item-maine
File name:a4dc051d74e268e41af5157f0739fb11
Download: download sample
File size:3'063'981 bytes
First seen:2020-11-17 15:58:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17ed737e8e77e97fd1eb6ad9ba5d3eae (2 x Stihat)
ssdeep 49152:8FaG+5W/10g7mM+M6RkMkIM7I067I0g7mM+M6RkMkIM7I067U5W/t5W/80g7mM+k:8h+5WcM+M6RkMkIM7AM+M6RkMkIM755A
TLSH 6CE5BE02F3C0F4B6D0A606304A37D7741A67FD656C185B1F76A8BA4E6D303836936E6B
Reporter seifreed

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

PUA.Win.Packer.Aspack-29
Create hunting rule

PUA.Win.Packer.Aspack-30
Create hunting rule

Win.Virus.Lamer-6733340-0
Create hunting rule

Win.Virus.Stihat-9753082-0
Create hunting rule

Win.Dropper.Mepaow-9786631-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Enabling the 'hidden' option for recently created files
Replacing system executable files
Creating a file in the Program Files subdirectories
Modifying an executable file
Searching for the window
Creating a file
Replacing files
Deleting a recently created file
Replacing executable files
Infecting executable files
Enabling autorun
Enabling a "Do not show hidden files" option
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:
Autorun
Create hunting rule
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/541783
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to detect sleep reduction / modifications
Creates an undocumented autostart registry key
Creates autorun.inf (USB autostart)
Creates files in the recycle bin to hide itself
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Autorun
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 319991 Sample: a4dc051d74e268e41af5157f0739fb11 Startdate: 18/11/2020 Architecture: WINDOWS Score: 100 34 Antivirus detection for dropped file 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 4 other signatures 2->40 6 a4dc051d74e268e41af5157f0739fb11.exe 7 2->6         started        10 OpenWith.exe 2->10         started        process3 file4 18 C:\Windows\SysWOW64\notepad.exe.exe, PE32 6->18 dropped 20 C:\Windows\SysWOW64\HelpMe.exe, PE32 6->20 dropped 22 C:\Users\user\...\Client UrlCache MMF Ver 5.2, PE32 6->22 dropped 24 C:\Program Files (x86)\...\iexplore.exe.exe, PE32 6->24 dropped 42 Drops executables to the windows directory (C:\Windows) and starts them 6->42 44 Drops executable to a common third party application directory 6->44 46 Contains functionality to detect sleep reduction / modifications 6->46 12 HelpMe.exe 19 6->12         started        16 Client UrlCache MMF Ver 5.2 3 6->16         started        signatures5 process6 file7 26 C:\Users\user\AppData\...\ACECache11.lst.exe, PE32 12->26 dropped 28 C:\Users\user\AppData\...\UserCache.bin.exe, PE32 12->28 dropped 30 C:\Users\user\...\SharedDataEvents.exe, PE32 12->30 dropped 32 12 other files (8 malicious) 12->32 dropped 48 Antivirus detection for dropped file 12->48 50 Creates files in the recycle bin to hide itself 12->50 52 Creates an undocumented autostart registry key 12->52 54 5 other signatures 12->54 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9938744085476c6c3c3c8161c659428dc9d8221dace21e1617bebf68fedf459b/
Threat name:
Win32.Worm.Stihat
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 16:07:02 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  5/5
Unpacked files
SH256 hash:
9938744085476c6c3c3c8161c659428dc9d8221dace21e1617bebf68fedf459b
MD5 hash:
4ab192dee3baee2ce36c68de5e807af8
SHA1 hash:
9cf6fbb195cebf2690060ad8c4f7a70865a9b00f
Link:
https://www.unpac.me/results/c1900e57-66cd-4294-84bb-1213aed239e2/
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:RemoteStrings
Create hunting rule
Author:Katie Kleemola
Description:indicators for remote.dll - surtr stage 2

File information

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

  
Delivery method
Other

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