MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482
SHA3-384 hash: ad21616bdcbb9675b5514f74231baeedcfac8384da44d701e85bbaa3f2e18eda314432ae43a039adf6d27c4aae88389f
SHA1 hash: 1fb0ad219a2c277e912e8ec43ee53eb46ace67f5
MD5 hash: 4f7517fa8252b8319f43c8c5f6c50af4
humanhash: juliet-zebra-maryland-oklahoma
File name:xlwings.xlam
Download: download sample
File size:241'202 bytes
First seen:2023-11-27 03:31:43 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 6144:f601x6fvI9uTzac/mAD6j331H18kryP33QBifMG:y0ETfac/5D6jH1abPvf1
TLSH T1E83423679BB7DC01D1024E3638896156FD177C04B3B466F796D8E3382A8BE96031A7CE
TrID 39.8% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13)
27.4% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12)
16.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
8.3% (.ZIP) Open Packaging Conventions container (17500/1/4)
5.7% (.UBOX) Universe Sandbox simulation (12006/4/1)
Reporter maikxchd
Tags:xlsx

Intelligence

File Origin
# of uploads :
1
# of downloads :
977
Origin country :
ID ID
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460499/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Link:
https://app.docguard.net/c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482/results/dashboard
Behaviour
BlacklistAPI detected
Gathering data
Verdict:
Malicious
Labled as:
Msoffice/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482
Label:
Malicious
Suspicious Score:
8.8/10
Score Malicious:
88%
Score Benign:
12%
Link:
https://www.malware.ai/gui/files/?id=cf6b3641-052e-42bc-b27c-ee212c79595e
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482
Details
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro with File System Read
Detected macro logic that can read data from the file system.
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1348258
Signature
Antivirus detection for dropped file
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro which might access itself as a file (possible anti-VM)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with base64 encoded strings
Document contains an embedded VBA with functionality to load libraries
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many string operations indicating source code obfuscation
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yoahkijpovsuihw7tvt5b3onguky3jh7xb3rteao6hshzsyzssba._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/231127-d3l2bseb34/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
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/c38075212f7565441edf9d67d0edcd35158da4ffb87719900ef1e47ccb199482

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:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/460499/

Comments