MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98b8b208020aecb6d3f42ba67ee1faa1474ffc34468e3489758c04bc09504ee7. 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



ZLoader


Vendor detections: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 98b8b208020aecb6d3f42ba67ee1faa1474ffc34468e3489758c04bc09504ee7
SHA3-384 hash: 9274336d64b080ea393c23c1543b4d73f22e956c8b464aadc73a03ba63b560ed7e824b94390e2037d1f2ef9852196b2e
SHA1 hash: 5bc33ee82212c3589721445a265b2221e3a8c7ea
MD5 hash: f483a8986445cb90703ac59d3ca064fe
humanhash: six-jupiter-quebec-pluto
File name:98b8b208020aecb6d3f42ba67ee1faa1474ffc34468e3489758c04bc09504ee7
Download: download sample
Signature ZLoader
File size:55'323 bytes
First seen:2025-09-19 08:22:25 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 1536:kk3hOdsylKlgxopeiBNhZFGzE+cL2kdAAgYXFN:kk3hOdsylKlgxopeiBNhZFGzE+cL2kdH
TLSH T1BE434DE3EA96DE75CAD483754B5B41D02312FC40566A838B72C1F63A3FBDAB0990D183
TrID 58.2% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
33.5% (.XLS) Microsoft Excel sheet (32500/1/3)
8.2% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter JAMESWT_WT
Tags:myftpupload-com xlsx ZLoader

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
Author of this document is VFdolf
File Format is MS Excel 97-2003
Container Format is OLE

Intelligence


File Origin
# of uploads :
1
# of downloads :
342
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
98b8b208020aecb6d3f42ba67ee1faa1474ffc34468e3489758c04bc09504ee7
Verdict:
No threats detected
Analysis date:
2025-09-19 08:30:44 UTC
Tags:
macros40

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
extens trojan remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Sending a custom TCP request
Launching a process by exploiting the app vulnerability
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive macros macros-on-open
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Verdict:
Malicious
File Type:
xls
First seen:
2020-11-20T06:59:00Z UTC
Last seen:
2020-11-20T06:59:00Z UTC
Hits:
~10
Verdict:
Malware
YARA:
4 match(es)
Tags:
Corrupted Office Document
Threat name:
Document-Excel.Downloader.ZLoader
Status:
Malicious
First seen:
2020-11-12 22:03:04 UTC
File Type:
Document
Extracted files:
6
AV detection:
22 of 37 (59.46%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Badlisted process makes network request
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
loader zloader
YARA:
ZloaderXLS ZloaderXLSBehavior
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments