MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a679d2ac48b9a66c9bb0b16df6b20576cada60bf300a4da4a409d409275c3041. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: a679d2ac48b9a66c9bb0b16df6b20576cada60bf300a4da4a409d409275c3041
SHA3-384 hash: 397643a648f35c6f2ef9244d11ae982ff221c7c641e0be94bf0728c7f6228eb75dc431c4166de373456a7b1c1e25d084
SHA1 hash: d5b243e0245bdb40da775ac0790e377bfb69f114
MD5 hash: 486e0b145b1380c28bf5b7b054c17f37
humanhash: nevada-saturn-burger-lion
File name:RFQ Product Inquiry Catalogue.exe
Download: download sample
File size:798'208 bytes
First seen:2021-12-31 02:17:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:aUaJF+NxHFFaKYBQM+mFlsc0JwwVhh17Iry:aUaJF4xPazCM+W/mXLh17r
Threatray 606 similar samples on MalwareBazaar
TLSH T10905122813E90F67E7B88B7D90E61381DBB5FD13E201CB4D49DA81EA444275C9DA0B6F
Reporter GovCERT_CH
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ Product Inquiry Catalogue.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-31 02:21:34 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Adding an access-denied ACE
DNS request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Creating a file in the Windows subdirectories
Creating a window
Launching a service
Changing a file
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Blocking the User Account Control
Moving of the original file
Adding exclusions to Windows Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
expl.evad
Score:
96 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Bypass UAC via CMSTP
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546683 Sample: RFQ Product Inquiry Catalogue.exe Startdate: 31/12/2021 Architecture: WINDOWS Score: 96 90 Multi AV Scanner detection for submitted file 2->90 92 Yara detected UAC Bypass using CMSTP 2->92 94 Yara detected AntiVM3 2->94 96 10 other signatures 2->96 9 RFQ Product Inquiry Catalogue.exe 6 10 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 4 other processes 2->17 process3 file4 62 C:\Windows\Resources\Themes\...\svchost.exe, PE32 9->62 dropped 76 2 other files (none is malicious) 9->76 dropped 100 Moves itself to temp directory 9->100 102 Creates an autostart registry key pointing to binary in C:\Windows 9->102 104 Adds a directory exclusion to Windows Defender 9->104 106 Disables UAC (registry) 9->106 19 f0170911-b54f-48e5-b2ce-877e1f97bc6c.exe 44 2 9->19         started        21 AdvancedRun.exe 1 9->21         started        23 powershell.exe 26 9->23         started        32 5 other processes 9->32 64 2787e915-9222-4993-ab2a-c8cdfe3f381c.exe, PE32 13->64 dropped 66 C:\Windows\Temp\ehzgjcrx.inf, Windows 13->66 dropped 68 C:\Windows\Temp\1k1gcnxy.inf, Windows 13->68 dropped 70 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 13->70 dropped 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 13->108 25 2787e915-9222-4993-ab2a-c8cdfe3f381c.exe 13->25         started        28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        34 3 other processes 13->34 72 C:\Windows\Temp\xr2xpc3w.inf, Windows 15->72 dropped 74 C:\Windows\Temp\hnhhe5ch.inf, Windows 15->74 dropped 78 2 other files (none is malicious) 15->78 dropped 36 6 other processes 15->36 110 Changes security center settings (notifications, updates, antivirus, firewall) 17->110 signatures5 process6 signatures7 38 PkgMgr.exe 19->38         started        40 conhost.exe 19->40         started        42 AdvancedRun.exe 21->42         started        45 conhost.exe 23->45         started        98 Multi AV Scanner detection for dropped file 25->98 47 conhost.exe 25->47         started        49 conhost.exe 28->49         started        51 conhost.exe 30->51         started        53 5 other processes 32->53 55 2 other processes 36->55 process8 dnsIp9 57 Dism.exe 38->57         started        88 192.168.2.1 unknown unknown 42->88 process10 file11 80 C:\Users\user\AppData\...\WimProvider.dll.mui, PE32 57->80 dropped 82 C:\Users\user\AppData\...\VhdProvider.dll.mui, PE32 57->82 dropped 84 C:\Users\user\...\UnattendProvider.dll.mui, PE32 57->84 dropped 86 49 other files (none is malicious) 57->86 dropped 60 conhost.exe 57->60         started        process12
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-31 02:14:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Loads dropped DLL
Windows security modification
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Nirsoft
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
a679d2ac48b9a66c9bb0b16df6b20576cada60bf300a4da4a409d409275c3041
MD5 hash:
486e0b145b1380c28bf5b7b054c17f37
SHA1 hash:
d5b243e0245bdb40da775ac0790e377bfb69f114
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Executable exe a679d2ac48b9a66c9bb0b16df6b20576cada60bf300a4da4a409d409275c3041

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments