MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b. 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 9 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b
SHA3-384 hash: b5a849638ac9f0b804090f6c23c317655b6d67075d896f7fc5f9cb6f2f528932ce66a05e8e945372f28173058a3d26cb
SHA1 hash: aa037009bde296a4f041c101a98ef24eb60b205b
MD5 hash: f9550b5d72306794abbbd257f21ab6ab
humanhash: solar-emma-hamper-nine
File name:6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b
Download: download sample
Signature Ousaban
Create hunting rule
File size:21'339'648 bytes
First seen:2024-04-16 19:45:13 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:aIq76OCeJgY7AunxbsW6BPug8TVt/Tqz/LUTUjS:aIeueJGunxbsW6BB8TuTTG
TLSH T188279E13B780813AC06B1A3A9C27EB64593F7E616A2A4C0727F87D4D6F759803D3B647
TrID 70.2% (.MSI) Microsoft Windows Installer (454500/1/170)
9.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.1% (.MSWMM) Windows Movie Maker project (46500/1/9)
6.8% (.MSP) Windows Installer Patch (44509/10/5)
5.0% (.XLS) Microsoft Excel sheet (32500/1/3)
Reporter johnk3r
Tags:banker ev latam msi ousaban signed

Code Signing Certificate

Organisation:Defz Software Solutions GmbH
Issuer:GlobalSign GCC R45 EV CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-01T14:26:15Z
Valid to:2024-12-05T15:14:25Z
Serial number: 48f3dbc38b46b3e29cd6cc7f
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 262838ad958c3c5b004a3621c1e79a76d7b58e57d6f4b84532f011fc6a5807a1
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
rat
Link:
https://www.filescan.io/uploads/661ed584d0e2a012b423dc17/reports/88252a84-5db2-4505-843f-ccfd9404fd0c/overview
Verdict:
Malicious
Labled as:
Grandoreiro.AR.gen
Link:
https://www.hybrid-analysis.com/sample/6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
5 / 100
Link:
https://www.joesandbox.com/analysis/1427007
Behaviour
Behavior Graph:
n/a
Score:
8%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkkei5yv6j4z3c274ebjt7mt7y6tpqn4rgtkvkrxqhdit4f4cu5q._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/240416-ygys8aah46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Loads dropped DLL
Blocklisted process makes network request
Enumerates connected drives
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Ousaban
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6a94447715f2799d8b5fe10299fd93fe3d37c1bc89a6aaaa3781c689f0bc153b

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:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_LATAM_MSI_Banker
Create hunting rule
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:suspicious_msi_file
Create hunting rule
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.

  
Dropping
Ousaban

Comments


Avatar
Padawan commented on 2024-04-16 19:52:58 UTC

https://twitter.com/johnk3r/status/1780323352508584285