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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285d72443d3d291caffb91b4c4c853009a19448c3c89d8be4af6bb33043ecc5a. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 285d72443d3d291caffb91b4c4c853009a19448c3c89d8be4af6bb33043ecc5a
SHA3-384 hash: 5421d2811a66a722a1ef24b1bafe0176b90fcd7fbd5d04c8257af6e2ed4ac55efc9772348eb210474e546faa10a9c1cb
SHA1 hash: db9bc434bbdb0dd17225a91f9591108498bfdcc4
MD5 hash: 6745b6d08563676672f85f1cf2a8a58e
humanhash: lamp-cup-neptune-neptune
File name:inf6066.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:41'984 bytes
First seen:2020-10-09 17:00:57 UTC
Last seen:2020-10-09 17:44:43 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:+mQk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJ/PGwinLQRgsi9uUSe:Ak3hOdsylKlgxopeiBNhZFGzE+cL2kd1
TLSH C51384FBEB85ED64CE848374495B46D03327EC905766438B7381F7263FB9A70890A187
Reporter theDark3d
Tags:Loader macro20 xls ZLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
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/487000
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)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 295948 Sample: inf6066.xls Startdate: 09/10/2020 Architecture: WINDOWS Score: 64 22 cdn.onenote.net 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Found abnormal large hidden Excel 4.0 Macro sheet 2->26 28 Found Excel 4.0 Macro with suspicious formulas 2->28 8 EXCEL.EXE 28 33 2->8         started        12 explorer.exe 2->12         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\inf6066.xls.LNK, MS 8->20 dropped 30 Injects code into the Windows Explorer (explorer.exe) 8->30 32 Document exploit detected (process start blacklist hit) 8->32 14 explorer.exe 8->14         started        16 cmd.exe 1 12->16         started        signatures6 process7 process8 18 conhost.exe 16->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/285d72443d3d291caffb91b4c4c853009a19448c3c89d8be4af6bb33043ecc5a/
Threat name:
Document-Excel.Trojan.ZLoader
Create hunting rule
Status:
Suspicious
First seen:
2020-10-09 17:02:06 UTC
AV detection:
22 of 48 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fboxerb5huurzl73sg2mjsctacnbsremhse5rpsk625tgbb6zrna._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201009-ztvmhbhnna/
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:
0.71
Link:
https://yomi.yoroi.company/submissions/285d72443d3d291caffb91b4c4c853009a19448c3c89d8be4af6bb33043ecc5a

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