🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfddead00488814fef3164695bf64eecbe00ca539b2e5490da7fca28aefe769. 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


Maldoc score: 6


Intelligence 6 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bfddead00488814fef3164695bf64eecbe00ca539b2e5490da7fca28aefe769
SHA3-384 hash: 0e687a1c59f4b5ebfff2eba0db0aa265779b00a867f39c8625f42b7da3c4ed27aa8ba624dfd06b08be406dc6427af016
SHA1 hash: c98eb3c6813994e36d455b9f45068632ce2e2bd6
MD5 hash: 7357ca13dac7f6d7e079aae8dc6235a4
humanhash: failed-yellow-orange-carbon
File name:677-7357ca13dac7f6d7e079aae8dc6235a4.xlsm
Download: download sample
Signature ZLoader
Create hunting rule
File size:25'943 bytes
First seen:2021-03-11 16:28:07 UTC
Last seen:2021-03-11 18:39:11 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:yr7VsStcgNw0GzriLxWHVoq/O3yiToxTfH:CHtrNhGzgqoQTiExT/
TLSH F7C2D05DE4417E2EFC8688F8930810BAB7193562BE15F13B3415A76B72A11F2234E1D9
Reporter j_dubp
Tags: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
Maldoc score: 6
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousXLM macrosheetXLM macrosheet found. It could contain malicious code

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
677-7357ca13dac7f6d7e079aae8dc6235a4.xlsm
Verdict:
No threats detected
Analysis date:
2021-03-11 16:27:04 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/1f3bd376-642a-44ab-8ff0-0a921a9d0926

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/123850/
Detection(s):
TwinWave.EvilDoc.Zloader.KeepTheirHeadsRingin.20210311.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Heur.19543.9462.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/1bfddead00488814fef3164695bf64eecbe00ca539b2e5490da7fca28aefe769/results/dashboard
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/637093
Signature
Found abnormal large hidden Excel 4.0 Macro sheet
Hides that the sample has been downloaded from the Internet (zone.identifier)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bfddead00488814fef3164695bf64eecbe00ca539b2e5490da7fca28aefe769/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp655liajcebj7xtczdjlp3e53f6adffhgzoksinu76kfcxp45uq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210311-tbj4bp3pn2/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1bfddead00488814fef3164695bf64eecbe00ca539b2e5490da7fca28aefe769

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:Microsoft_XLSX_with_Macrosheet
Create hunting rule
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.

anyrun
any.run
https://app.any.run/tasks/1f3bd376-642a-44ab-8ff0-0a921a9d0926
  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/123850/

Comments