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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f727865354c39e2a89a592c7e33ec55e1aa2cfd0891f200ffba07d6e53a30b06. 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: f727865354c39e2a89a592c7e33ec55e1aa2cfd0891f200ffba07d6e53a30b06
SHA3-384 hash: 5ce8094dee138ffbf0a7af1b3a2538bce1ded280c6b37120b5d5bc82ae638d2848c8aaa6b06799af8335de29b8140e13
SHA1 hash: db5e2869362138b5d877e5779924407dbf23380f
MD5 hash: ce47e07d09fb6eb60e70423f5302b123
humanhash: chicken-enemy-california-quebec
File name:Det.8928.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:42'496 bytes
First seen:2020-10-09 19:26:54 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:VmQk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJ3uY637/SE2u5GHCrxigKu:fk3hOdsylKlgxopeiBNhZFGzE+cL2kdN
TLSH B31385F3EB91DC25CE848339596742906302FC505BAB838776CDF6397FB9AA45E06142
Reporter theDark3d
Tags:hiddenmacro Loader xls ZLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
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/487166
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296110 Sample: Det.8928.xls Startdate: 10/10/2020 Architecture: WINDOWS Score: 64 21 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->21 23 Found abnormal large hidden Excel 4.0 Macro sheet 2->23 25 Found Excel 4.0 Macro with suspicious formulas 2->25 7 EXCEL.EXE 28 33 2->7         started        11 explorer.exe 2->11         started        process3 file4 19 C:\Users\user\AppData\...\Det.8928.xls.LNK, MS 7->19 dropped 27 Injects code into the Windows Explorer (explorer.exe) 7->27 29 Document exploit detected (process start blacklist hit) 7->29 13 explorer.exe 7->13         started        15 cmd.exe 1 11->15         started        signatures5 process6 process7 17 conhost.exe 15->17         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f727865354c39e2a89a592c7e33ec55e1aa2cfd0891f200ffba07d6e53a30b06/
Threat name:
Document-Word.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 19:28:08 UTC
AV detection:
21 of 48 (43.75%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201009-wa7t2neky6/
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/f727865354c39e2a89a592c7e33ec55e1aa2cfd0891f200ffba07d6e53a30b06

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