MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a818af0d4996a2120bc81e399b946f86b52fababc8904c49cd4ec1f298dc0199. 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
FIN7
Vendor detections: 7
| SHA256 hash: | a818af0d4996a2120bc81e399b946f86b52fababc8904c49cd4ec1f298dc0199 |
|---|---|
| SHA3-384 hash: | 4893a733c11155cdbbdb1c4bf7d95820021b4374f0c41afefbb25d8a7c2bff1c99a78e92ba41bc853f3c9f77bec2c28a |
| SHA1 hash: | 657d6e9722ee904578d44e16d2c497f04d3bcb1e |
| MD5 hash: | 17735bdf3f19b51eaa45d6375f943f97 |
| humanhash: | louisiana-alanine-sink-juliet |
| File name: | Tower messenger link.xls |
| Download: | download sample |
| Signature | FIN7 |
| File size: | 260'608 bytes |
| First seen: | 2021-02-16 08:01:28 UTC |
| Last seen: | 2021-02-16 15:43:00 UTC |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 3072:p2cdM+TzRd4nAkj915Rk5Q94IuTEfvrvxG/EuBGh3u:QcdzYj1Dk29/dst3 |
| TLSH | 35445AE04D55656F82B3BBE29C19AC2D42F8698B1C751AF2B1B403E1705128CFB1D9EF |
| Reporter |  cocaman |
| Tags: | FIN7 xls |
Office OLE Information
This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.
OLE id
| Application name is Microsoft Excel |
| Office document is in OLE format |
| Office document is in encrypted |
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 4096 bytes | DocumentSummaryInformation |
| 2 | 4096 bytes | SummaryInformation |
| 3 | 249246 bytes | Book |
Intelligence
File Origin
# of uploads :
3
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confidential messenger without censorship.rar
Verdict:
No threats detected
Analysis date:
2021-02-15 13:23:30 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Result
Verdict:
Suspicious
File Type:
Legacy Office File
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Whoami Execution
System process connects to network (likely due to code injection or exploit)
Uses whoami command line tool to query computer and username
Behaviour
Behavior Graph:
Threat name:
Document-Office.Trojan.Stratos
Status:
Malicious
First seen:
2021-02-16 03:54:42 UTC
File Type:
Document
Extracted files:
3
AV detection:
8 of 47 (17.02%)
Threat level:
5/5
Result
Malware family:
n/a
Score:
10/10
Tags:
evasion macro trojan xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Control Panel
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Checks whether UAC is enabled
Blocklisted process makes network request
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://civilizationidium.com/img/microsoft_logo.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | UAC bypass in files like avemaria |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
js Delivery method
Other
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