MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0231aa0cf3686c184fb9dd21492fe6f5a7615719a74fb341d7369283f559a2c7. 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
OskiStealer
Vendor detections: 7
| SHA256 hash: | 0231aa0cf3686c184fb9dd21492fe6f5a7615719a74fb341d7369283f559a2c7 |
|---|---|
| SHA3-384 hash: | 449f716d0360254f0a7f29f3543fa18ced397d09b2126744d10f718f2d3434539da6a20b93dbf76f76b7bf879d8fafab |
| SHA1 hash: | cf5decb3634809e4b8235cd3d7ae1e7f5a89937b |
| MD5 hash: | 41c7582c480287b17b913476b83cfe5d |
| humanhash: | lion-magazine-montana-echo |
| File name: | Detalles de devolución de pago.xlsx |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 691'567 bytes |
| First seen: | 2021-08-24 22:44:35 UTC |
| Last seen: | 2021-08-25 05:45:56 UTC |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 12288:x0NkSqa1Lo6MQVmmUXnuI0DC7YY/1I0ezrsiRYo0KLVElCBW:x1SZC6MDLuI027rdI0ezYiJ0dlC4 |
| TLSH | T1D8E4232CC1E90AF349A92570F94E93EDE4D832EEC374074991388A6D67C4DEFD84A749 |
| Reporter |  AndreGironda |
| Tags: | CVE-2017-11882 OskiStealer xlsx |
AndreGironda
MITRE T1566.001Date: Tue, 24 Aug 2021 21:00-22:00 +0100
Received: from srvk111.controlvps.com (srvk111.allytech.com [190.210.196.111])
From: PAGOS <pagogtiaspep@cnhmexico.com.mx>
Subject: DEVOLUCIÓN DE PAGO TT (Ref 0180066743)
Message-ID: <67050414e3a5137a7fb7262297c1468f@cnhmexico.com.mx>
User-Agent: Roundcube Webmail/1.4.2
Intelligence
File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Detalles de devolución de pago.xlsx
Verdict:
No threats detected
Analysis date:
2021-08-24 22:46:15 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
Creating a window
Launching a process
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Sending a UDP request
Creating a file
Connection attempt
Deleting a recently created file
Replacing files
Connection attempt by exploiting the app vulnerability
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Payload URLs
URL
File name
https://www.iconomi.net/
sharedStrings.xml
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-08-24 22:45:12 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
5/5
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer suricata
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Oski
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
ck7.mooo.com
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
7b82ef67319cf926fedd28e2f74ffba0eb32a04ee4ab630c9500bf78bda18b20
exe 
Delivery method
Distributed via e-mail attachment
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