MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc
SHA3-384 hash: 540110311e9ac951825d80267badfe9609abf62eaa50ca0855ee39fbcec81c8f559fe1419a1d39384b40fa59da2d0602
SHA1 hash: c498532c7dd6da7da44782e079116825a131b54f
MD5 hash: 44ca80d3ef5c434975df6e1747936695
humanhash: three-leopard-batman-hawaii
File name:banload.msi
Download: download sample
Signature Ousaban
Create hunting rule
File size:5'865'472 bytes
First seen:2021-07-21 12:30:31 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:6Y5AobyLU4UUU3UUUtvFObnuijp2LU4UUU3UUUtvFOK8lQ3f53eyibmw8a0FDI:heLU4UUU3UUUhFObnuijp2LU4UUU3UUi
Threatray 2'789 similar samples on MalwareBazaar
TLSH T17546BE457BA860E4D27A8139C946861AD6717C421B614ECF316CFB5E2F337E39E3A312
Reporter warz_s
Tags:banker brazil dropper msi ousaban


Avatar
warz_s
E-mail link: hxxp://52.231.155.19/roupas/
Payload: hxxp://lubagalord.duckdns.org/gd/gordo.css
CC: hxxp://mixiricagayman.1gb.ru/03/nobss22.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
413
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172973/
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc
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:
92 / 100
Link:
https://www.joesandbox.com/analysis/819475
Signature
Creates multiple autostart registry keys
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451886 Sample: banload.msi Startdate: 21/07/2021 Architecture: WINDOWS Score: 92 60 Multi AV Scanner detection for domain / URL 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Sigma detected: Add file from suspicious location to autostart registry 2->64 66 3 other signatures 2->66 8 msiexec.exe 4 23 2->8         started        12 V   YuBgk.Lavasoft.WCAssistant.WinService.EXE 2->12         started        15 V   YuBgk.Lavasoft.WCAssistant.WinService.EXE 2->15         started        17 2 other processes 2->17 process3 dnsIp4 58 lubagalord.duckdns.org 18.228.5.161, 49746, 80 AMAZON-02US United States 8->58 42 C:\Users\user\AppData\Local\...\_-Name, PE32 8->42 dropped 44 C:\Users\user\...\Avira.OE.NativeCore.dll, PE32 8->44 dropped 19 V   YuBgk.Lavasoft.WCAssistant.WinService.EXE 2 1 8->19         started        23 cmd.exe 1 8->23         started        25 cmd.exe 13 8->25         started        78 Query firmware table information (likely to detect VMs) 12->78 80 Hides threads from debuggers 12->80 82 Tries to detect sandboxes / dynamic malware analysis system (registry check) 12->82 file5 signatures6 process7 dnsIp8 50 mixiricagayman.1gb.ru 81.177.49.5, 49856, 80 RTCOMM-ASRU Russian Federation 19->50 68 Query firmware table information (likely to detect VMs) 19->68 70 Creates multiple autostart registry keys 19->70 72 Hides threads from debuggers 19->72 74 Tries to detect sandboxes / dynamic malware analysis system (registry check) 19->74 27 reg.exe 1 1 23->27         started        30 conhost.exe 23->30         started        32 chrome.exe 14 429 25->32         started        35 conhost.exe 25->35         started        signatures9 process10 dnsIp11 76 Creates multiple autostart registry keys 27->76 37 conhost.exe 27->37         started        46 192.168.2.1 unknown unknown 32->46 48 239.255.255.250 unknown Reserved 32->48 39 chrome.exe 37 32->39         started        signatures12 process13 dnsIp14 52 clients.l.google.com 142.250.203.110, 443, 49375, 49751 GOOGLEUS United States 39->52 54 accounts.google.com 172.217.168.45, 443, 49750 GOOGLEUS United States 39->54 56 15 other IPs or domains 39->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc/
Threat name:
Script-JS.Downloader.SLoad
Create hunting rule
Status:
Malicious
First seen:
2021-07-21 06:42:09 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  3/5
Verdict:
malicious
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Ousaban
+ 2'779 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion persistence themida trojan
Link:
https://tria.ge/reports/210721-a76b17gxlj/
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
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks whether UAC is enabled
Enumerates connected drives
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Themida packer
Blocklisted process makes network request
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc

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
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.

Ousaban

Microsoft Software Installer (MSI) msi e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc

(this sample)

ca5646b239c73ff97bafd49d001c2fa3026cdeb2badf2d91bd5a52bd045797ad

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.ousaban
  
Dropping
SHA256 ca5646b239c73ff97bafd49d001c2fa3026cdeb2badf2d91bd5a52bd045797ad
  
Dropping
SHA256 32d9471df6f14459b7edae65d3e3b8cf8d8c1b12cd75c7a934a958f834b1d60b
  
Dropping
SHA256 87c42ca155473e4e71857d03497c8cbc28fa8ff7f2c8d72e8a1f39b71078f608
  
Dropping
SHA256 86e39b5995af0e042fcdaa85fe2aefd7c9ddc7ad65e6327bd5e7058bc3ab615f
  
Dropping
SHA256 ddd484f8273a49724573917c14ea9408ead9b0e9db5cf5fa7d8d9c92365f147b
  
Dropping
SHA256 e617d66b060854b1ac186a08959b0303cf100a518bf51ea3f85a7940581cbdfe
  
Dropping
SHA256 7e45045b5fe0925d5731994d94cb717279afb49defb2ef8f7ae2c04a32014d57
  
Dropping
SHA256 f19d6d7cbfccb0e340335b38d81cdf0fee79d5a5a711e14f201db3c048c88ae0
  
Dropping
SHA256 8cd26a84018dba116f50f7d3131ae74f4842257e4a98b183d49c3af2843d0fe3
  
Dropping
SHA256 a74226654c5048cadb46d83b3778c554e0e02c6dc063f35b2721cb977f1285cf
  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/172973/

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