MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d1ba89ceec3185095466aa09f9287746b604d7b9e9dff76d7956d5c2a10fee2. 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



Ousaban


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 2d1ba89ceec3185095466aa09f9287746b604d7b9e9dff76d7956d5c2a10fee2
SHA3-384 hash: d5c364456a5247396325b33e4bf7b22262126382f80447de316f813c793f081e02dd5ac682140382def1ec9b6c83cacd
SHA1 hash: d0baf0b9bf3bc65eae7f40899b64ca3f3b8760ba
MD5 hash: ebec542fdcf0f9d89d83a3b1bb7166a0
humanhash: island-uniform-quiet-golf
File name:IM-87678A-1A.msi
Download: download sample
Signature Ousaban
File size:3'090'944 bytes
First seen:2021-11-30 15:52:50 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:BUbuY5AnbbFtk1F2dRj45Zize1bpQ0LrUSw9C8gTJq/19n+s9RFz+p:RY5Anb5tW8dRj4JlnvizR1Ys9RFz+
Threatray 10 similar samples on MalwareBazaar
TLSH T16FE5230B76C44B3BC4AE0A32969BC3368166BCB49551C41B639D5B1D3EF3664B3A33D2
Reporter Anonymous
Tags:msi ousaban

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
UNKNOWN
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:
troj.evad
Score:
88 / 100
Signature
Antivirus detection for dropped file
Creates multiple autostart registry keys
Detected VMProtect packer
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531307 Sample: IM-87678A-1A.msi Startdate: 30/11/2021 Architecture: WINDOWS Score: 88 64 youtube-ui.l.google.com 2->64 66 www.youtube-nocookie.com 2->66 68 9 other IPs or domains 2->68 82 Antivirus detection for dropped file 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 Sigma detected: Add file from suspicious location to autostart registry 2->86 88 4 other signatures 2->88 10 msiexec.exe 10 28 2->10         started        13   T R JS.Lavasoft.Assistants.exe 2->13         started        15 msiexec.exe 3 2->15         started        signatures3 process4 file5 52 C:\Windows\Installer\MSIA34A.tmp, PE32 10->52 dropped 54 C:\Windows\Installer\MSI4B5E.tmp, PE32 10->54 dropped 56 C:\Users\user\...\jjM#,7E4q!6qxQm (5).tmp, PE32 10->56 dropped 58 4 other files (none is malicious) 10->58 dropped 17 msiexec.exe 4 35 10->17         started        process6 dnsIp7 60 arguiushfguspgp.from-va.com 20.93.119.31, 49755, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->60 62 192.168.2.1 unknown unknown 17->62 44 C:\Users\user\AppData\Local\...\libpurple.dll, PE32 17->44 dropped 46 ...T.R.JS.Lavasoft.Assistants.exe (copy), PE32 17->46 dropped 48 C:\Users\user\AppData\Local\...\pidgin.dll, PE32 17->48 dropped 50 26 other files (none is malicious) 17->50 dropped 21   T R JS.Lavasoft.Assistants.exe 2 17->21         started        25 cmd.exe 1 17->25         started        27 cmd.exe 13 17->27         started        file8 process9 dnsIp10 74 notas-fiscais.com 52.161.2.4 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->74 90 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->90 92 Creates multiple autostart registry keys 21->92 29 reg.exe 1 1 25->29         started        32 conhost.exe 25->32         started        34 chrome.exe 16 413 27->34         started        37 conhost.exe 27->37         started        signatures11 process12 dnsIp13 94 Creates multiple autostart registry keys 29->94 39 conhost.exe 29->39         started        70 192.168.2.6, 443, 49710, 49711 unknown unknown 34->70 72 239.255.255.250 unknown Reserved 34->72 41 chrome.exe 37 34->41         started        signatures14 process15 dnsIp16 76 googlehosted.l.googleusercontent.com 142.250.180.97 GOOGLEUS United States 41->76 78 googleads4.g.doubleclick.net 142.250.180.98, 443, 49825, 49830 GOOGLEUS United States 41->78 80 30 other IPs or domains 41->80
Threat name:
Script-JS.Downloader.SLoad
Status:
Malicious
First seen:
2021-11-30 12:19:46 UTC
File Type:
Binary (Archive)
Extracted files:
1023
AV detection:
11 of 27 (40.74%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Modifies registry key
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
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_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information


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

  
Delivery method
Distributed via e-mail link

Comments