MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de8dc757ae084e180d13d97afb93b64b678a786dc968657c85004b5a84fef10d. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: de8dc757ae084e180d13d97afb93b64b678a786dc968657c85004b5a84fef10d
SHA3-384 hash: 73155e3b0e5a67d92f4e6785c83a161e1d099929e5806e6cb707b29a937dfe66d5e295c204f0506fcbf1291c7373880e
SHA1 hash: dc5ef87bb7a46d742f8aa6a35fa0ce34877558dc
MD5 hash: 64bc6528a202a7bab769e7e3a4f633d5
humanhash: diet-cola-equal-batman
File name:ji89UHECQSfP.msi
Download: download sample
Signature Ousaban
File size:15'470'080 bytes
First seen:2022-04-21 07:42:15 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:h2P59vGhlWfiC9qeOryPBk1EaguxyrRR:m5tPiC9qeO0kSaByv
Threatray 16 similar samples on MalwareBazaar
TLSH T1AEF633213397C936CA6D0574653A9B9F1064EDA74B3090DFE3C9AC2F88B44C2D678E97
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter JAMESWT_WT
Tags:banker brazil msi ousaban spy

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe remote.exe shell32.dll
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Mekoban
Status:
Malicious
First seen:
2022-04-21 02:23:45 UTC
File Type:
Binary (Archive)
Extracted files:
81
AV detection:
8 of 42 (19.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Drops startup file
Loads dropped DLL
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.

Comments