MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48. 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: 8

Maldoc score: 3

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48
SHA3-384 hash:	30c69e9dd3552cc8b563cd7b7046120da5c3c63c514e8a7d92a9011cfcdd6508b4b9760c278f78a5468e12cd0c235ff6
SHA1 hash:	6180b1684f41c5d551913df9a09cd9052c0371cf
MD5 hash:	c94ac457a09d91cabc77e706f08a6eba
humanhash:	asparagus-solar-aspen-september
File name:	case.2991.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	31'744 bytes
First seen:	2021-01-25 18:29:24 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:/7PXk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJohrFNl6:7Xk3hbdlylKsgqopeJBWhZFGkE+cL2NI
TLSH	00E262E7B7C5AC49CE494779486B83A07312FC656BA7838B3349F3192F72AD0890355B
Reporter	cocaman
Tags:	xls ZLoader

cocaman

Malicious email (T1566.001)
From: ""Jeremy M. Williams" <notification@searchpackage.com>" (likely spoofed)
Received: "from searchpackage.com (searchpackage.com [62.4.16.17]) "
Date: "Mon, 25 Jan 2021 17:21:15 +0000"
Subject: "Payment information#67"
Attachment: "case.2991.xls"

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: 3

Application name is Microsoft Excel

Office document is in OLE format

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section ID	Section size	Section name
1	4096 bytes	DocumentSummaryInformation
2	4096 bytes	SummaryInformation
3	21637 bytes	Workbook

OLE vba

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

Type	Keyword	Description
AutoExec	Auto_Open	Runs when the Excel Workbook is opened
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

182

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

case.2991.xls

Verdict:

No threats detected

Analysis date:

2021-01-25 18:31:40 UTC

Tags:

macros

Link:

https://app.any.run/tasks/b1d84262-a858-4ab9-ab4a-cee782c4ed77

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

Has a screenshot:

False

Contains macros:

True

Detection(s):

TwinWave.EvilDoc.Zloader.ComfortablyNumb.M3.20201208.UNOFFICIAL

TwinWave.EvilDoc.Excel4.BlackSubmarines.2020.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Creating a process with a hidden window

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48/results/dashboard

Result

Threat name:

Unknown

Detection:

malicious

Classification:

spre.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/589815

Signature

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Injects code into the Windows Explorer (explorer.exe)

Microsoft Office drops suspicious files

Multi AV Scanner detection for submitted file

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)

Yara detected Run DLL Via DCOM

Yara detected VBS Downloader Generic

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48/

Threat name:

Script.Trojan.Heuristic

Status:

Malicious

First seen:

2021-01-25 18:30:10 UTC

File Type:

Document

Extracted files:

AV detection:

6 of 46 (13.04%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6bial7vtfr63fr3uj3g6ef6ez6edszb7yxmax4gtfuphpyubpvea._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro ransomware xlm

Link:

https://tria.ge/reports/210125-g1vrykemg2/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates physical storage devices

Malware Config

Dropper Extraction:

https://amethystseas.com/k.php

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/f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48

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

xls f05005feb32c7db2c7744ecde217c4cf8839643fc5d80bf0d32d1e77e2817d48

(this sample)

Delivery method

Distributed via e-mail attachment

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