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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e029c734d6c1fc79a44b4764c43ee25a40e5df7b5433db3063eaf245dffac9c6. 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: 4


Maldoc score: 5


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e029c734d6c1fc79a44b4764c43ee25a40e5df7b5433db3063eaf245dffac9c6
SHA3-384 hash: 5ac9ff3150f400895257b58f8aed55674806f3b99eb27ed610082457bb5621afd339e548d806854be93269aaf8ad6505
SHA1 hash: c641831e43c09b46e926dde17d3f41e3ae43ae5c
MD5 hash: c3cd884decdd844870848e433ef444ee
humanhash: oscar-missouri-mississippi-berlin
File name:Inf6258.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:55'296 bytes
First seen:2020-10-28 17:40:11 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:Vk3hOdsylKlgxopeiBNhZFGzE+cL2kdAVFufjryTdlNV2KM:Vk3hOdsylKlgxopeiBNhZFGzE+cL2kd/
TLSH F04341E3EB96DE75CAD4837A4B5B45D02312FC54166A838732C1F6353FBDAA09D0E182
Reporter p5yb34m
Tags:xls ZLoader


Avatar
p5yb34m
.dll IOCs:
https://hkq.cfc.myftpupload.com/qyc7wt.php
https://creatorclick.com/eqyjz6.php
https://tsapparel.com.my/fd66e6.php
https://puraanvidya.com/wlp11a.php

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: 5
Application name is Microsoft Excel
Office document is in OLE format
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
AutoExecAuto_OpenRuns when the Excel Workbook is opened
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)

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL
Create hunting rule

TwinwWave.EvilDoc.ZloaderBackToBasom.20201026.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process with a hidden window
Deleting a recently created file
Replacing files
Launching a process
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/515440
Signature
Document exploit detected (creates forbidden files)
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)
Microsoft Office drops suspicious files
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Potential malicious VBS script found (has network functionality)
Potential malicious VBS script found (suspicious strings)
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e029c734d6c1fc79a44b4764c43ee25a40e5df7b5433db3063eaf245dffac9c6/
Gathering data
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201028-9q8dbjbmrx/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
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/e029c734d6c1fc79a44b4764c43ee25a40e5df7b5433db3063eaf245dffac9c6

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.

Malspam

ZLoader

Excel file xls e029c734d6c1fc79a44b4764c43ee25a40e5df7b5433db3063eaf245dffac9c6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments