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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4870c4ba7a1d2b949ab744cb459e2edac8f65d9535dca1591d2eb93383c20def. 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: 4870c4ba7a1d2b949ab744cb459e2edac8f65d9535dca1591d2eb93383c20def
SHA3-384 hash: 5ef02026b7e19a6de0c3426635ebc84b3c3316d39aa1a9c9e0e7d6404e37f4c43bc57d1423d1ac15cbf02bf2c56e339b
SHA1 hash: c00de4b68a6189541c028d491ff34d896f637b70
MD5 hash: ed976d3a965cb5d52e0d47ea4a4594c0
humanhash: north-mississippi-uniform-bravo
File name:inv2399.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:42'496 bytes
First seen:2020-10-09 19:27:48 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:VmQk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJ1TTCAzOCDIfq0VZo:fk3hOdsylKlgxopeiBNhZFGzE+cL2kdW
TLSH 731383F7EA86EDA5DE848334195B42902353FC9157ABC38B7285F7213F7A7B08906187
Reporter theDark3d
Tags:hiddenmacro Loader xls ZLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
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:
56 / 100
Link:
https://www.joesandbox.com/analysis/487172
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)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296112 Sample: inv2399.xls Startdate: 10/10/2020 Architecture: WINDOWS Score: 56 15 Found abnormal large hidden Excel 4.0 Macro sheet 2->15 17 Found Excel 4.0 Macro with suspicious formulas 2->17 6 EXCEL.EXE 59 24 2->6         started        9 explorer.exe 2->9         started        process3 signatures4 19 Injects code into the Windows Explorer (explorer.exe) 6->19 21 Document exploit detected (process start blacklist hit) 6->21 11 explorer.exe 6->11         started        13 cmd.exe 9->13         started        process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4870c4ba7a1d2b949ab744cb459e2edac8f65d9535dca1591d2eb93383c20def/
Threat name:
Document-Word.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 19:29:08 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201009-pkgaplk4rj/
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/4870c4ba7a1d2b949ab744cb459e2edac8f65d9535dca1591d2eb93383c20def

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