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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab58530e8fc75e60da545106dec8489a7ac7eeb49ce6b2483bcb16b0bb8debc7. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab58530e8fc75e60da545106dec8489a7ac7eeb49ce6b2483bcb16b0bb8debc7
SHA3-384 hash: 866de0780f147e27c0497a21b43cbc8a6849aeb08aa1e11e871c3a6f337ae49e1c5bdde7220fa7e3183758b5d3dbc833
SHA1 hash: 431611a5d21995e78e0470a03ecde96faaf47340
MD5 hash: 334f0eeed6399e9b916e3e569bb52d4d
humanhash: table-butter-island-four
File name:Qt9601.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:42'496 bytes
First seen:2020-10-09 19:24:10 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:dmQk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJ1UCx6vBN1YLRJiykKi:Hk3hOdsylKlgxopeiBNhZFGzE+cL2kdL
TLSH 9F1372E3EA91DD65CE888334496B02D1A323FC5517AB93877385F2213FBDBB05E16186
Reporter theDark3d
Tags:hiddenmacro Loader xls ZLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Searching for the window
Launching a process by exploiting the app vulnerability
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/487141
Signature
Document exploit detected (process start blacklist hit)
Found abnormal large hidden Excel 4.0 Macro sheet
Found Excel 4.0 Macro with suspicious formulas
Injects code into the Windows Explorer (explorer.exe)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab58530e8fc75e60da545106dec8489a7ac7eeb49ce6b2483bcb16b0bb8debc7/
Threat name:
Document-Word.Downloader.EncDoc
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 19:26:06 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201009-b49196zwd6/
Behaviour
Modifies registry key
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/ab58530e8fc75e60da545106dec8489a7ac7eeb49ce6b2483bcb16b0bb8debc7

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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
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.

Comments