MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7af153ac40fe111dc312c90544b1e6c2c7ffbd5cc116eea719cfd52d6027e35a. 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
Threat unknown
Vendor detections: 10
Maldoc score: 17
| SHA256 hash: | 7af153ac40fe111dc312c90544b1e6c2c7ffbd5cc116eea719cfd52d6027e35a |
|---|---|
| SHA3-384 hash: | e7ac58c062046184554742c6d166f0b56d858290a9a667ead905f5e57bbf3b61fbe56a713b057a2f19232ee03d106b80 |
| SHA1 hash: | daac61b7712691931f8929856f7344b6d09922e8 |
| MD5 hash: | 1faf78a02d11127b48f9b4edec51f318 |
| humanhash: | single-social-five-spaghetti |
| File name: | 1faf78a02d11127b48f9b4edec51f318.xlsm |
| Download: | download sample |
| File size: | 30'319 bytes |
| First seen: | 2022-03-22 19:03:34 UTC |
| Last seen: | Never |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 384:YkAYJPRowLSb4mF+xvQ9J4NFcWxOJBuQhSpKxPp4nR/L/AN9QR+tB+JB7RY8r+rT:YG9AGvyJciu3cW/bR0Itrc2z4F |
| TLSH | T1C1D2E19AD3125C1DD77700FCC46A0A91C15340E84605D97B306B3BAC1A87B92F3E67EB |
| Reporter |  abuse_ch |
| Tags: | xlsm |
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
| Maldoc score: 17 |
OLE dump
MalwareBazaar was able to identify 10 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 374 bytes | PROJECT |
| A2 | 41 bytes | PROJECTwm |
| A3 | 21238 bytes | VBA/ThisWorkbook |
| A4 | 3237 bytes | VBA/_VBA_PROJECT |
| A5 | 11051 bytes | VBA/__SRP_0 |
| A6 | 277 bytes | VBA/__SRP_1 |
| A7 | 406 bytes | VBA/__SRP_4 |
| A8 | 22481 bytes | VBA/__SRP_5 |
| A9 | 478 bytes | VBA/dir |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Workbook_BeforeClose | Runs when the Excel Workbook is closed |
| Suspicious | copyfile | May copy a file |
| Suspicious | Create | May execute file or a system command through WMI |
| Suspicious | GetObject | May get an OLE object with a running instance |
| Suspicious | Chr | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | StrReverse | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | Xor | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
main.xlsm
Verdict:
Malicious activity
Analysis date:
2022-03-21 20:45:41 UTC
Tags:
macros
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.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Searching for the window
Launching a process
Changing an executable file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
macros macros-on-close
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Link:
Details
Long Time Delay
Detected a macro with a suspiciously long wait time, potentially to evade sandboxes.
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Script.Trojan.Heuristic
Status:
Malicious
First seen:
2022-03-22 09:55:38 UTC
File Type:
Document
Extracted files:
23
AV detection:
8 of 26 (30.77%)
Threat level:
2/5
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Verdict:
Malicious
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.
Web download
xlsm 7af153ac40fe111dc312c90544b1e6c2c7ffbd5cc116eea719cfd52d6027e35a
(this sample)
Delivery method
Distributed via web download
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