MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6. 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: 9

Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash:	9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6
SHA3-384 hash:	ee6caec5e0886c85584111f753ef572767d0d1b2978b9b970c5a82eddda849a010678e165271b120d3c23f44a108e554
SHA1 hash:	ec1a847009295036381af1b0a4383a61c3dcbb75
MD5 hash:	44b43922e08e0e8e1ec65300b3b1aa74
humanhash:	mobile-south-lamp-finch
File name:	case (166).xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	156'714 bytes
First seen:	2021-01-26 20:23:50 UTC
Last seen:	2021-01-26 21:53:16 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	3072:49SUz4tH8vsderSh1yRNJd6zAtH8U5BXKjBPWlyTSgG+g1j:49SUz4tH8vsderSh1yRNJdaAtH8U5B6G
TLSH	06E351C2B780CB50CA19A73019A58AA81363EE145EB99F4F7718F73F7F732B65A10095
Reporter	cocaman
Tags:	xls ZLoader

cocaman

Malicious email (T1566.001)
From: ""Branden G. Cutter" <centralreport@velvetwinter.com>" (likely spoofed)
Received: "from velvetwinter.com (unknown [89.163.252.165]) "
Date: "Tue, 26 Jan 2021 17:45:38 +0000"
Subject: "Payment information44473"
Attachment: "case (166).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

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	145752 bytes	Book

Intelligence

File Origin

# of uploads :

# of downloads :

215

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

case (166).xls

Verdict:

Malicious activity

Analysis date:

2021-01-26 20:26:59 UTC

Tags:

loader zloader stealer

Link:

https://app.any.run/tasks/87d137d4-9953-4f46-8e41-f655ac8dbf75

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:

False

Detection(s):

TwinwWave.EvilDoc.Excel4URLDLNightRunner.20201020.UNOFFICIAL

TwinWave.EvilDoc.XLSLOLBINHammerToFall.20201218.UNOFFICIAL

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6/results/dashboard

Payload URLs

URL

File name

http://wmwifbajxxbcxmucxmlc.com/files/april24.dll

Book

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/591237

Signature

Contains functionality to inject code into remote processes

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Found abnormal large hidden Excel 4.0 Macro sheet

Found Excel 4.0 Macro with suspicious formulas

Found malicious Excel 4.0 Macro

Found malicious URLs in unpacked macro 4.0 sheet

Found obfuscated Excel 4.0 Macro

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Office process drops PE file

Sigma detected: Microsoft Office Product Spawning Windows Shell

Yara detected hidden Macro 4.0 in Excel

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6/

Threat name:

Document-Office.Trojan.Abracadabra

Status:

Malicious

First seen:

2021-01-26 20:24:07 UTC

File Type:

Document

Extracted files:

AV detection:

11 of 46 (23.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tocrn7f6da66bjj2yr7kp5bisf3oep6ifwq74z6hbtw4qi7v3ota._file

Result

Malware family:

zloader

Score:

10/10

Tags:

family:zloader botnet:kev campaign:26/01 botnet macro ransomware trojan xlm

Link:

https://tria.ge/reports/210126-tsy7qm738a/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates physical storage devices

Suspicious use of SetThreadContext

Loads dropped DLL

Blocklisted process makes network request

Process spawned unexpected child process

Zloader, Terdot, DELoader, ZeusSphinx

Malware Config

C2 Extraction:

https://gadgetswolf.com/post.php
https://homesoapmolds.com/post.php
https://govemedico.tk/post.php

Dropper Extraction:

https://rnollg.com/kev/scfrd.dll

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/9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6

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:	Excel_Hidden_Macro_Sheet Create hunting rule

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

Rule name:	win_zloader_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

ZLoader

xls 9b8516fcbe183de0a53ac47ea7f4289176e23fc82da1fe67c70cedc823f5dba6

(this sample)

Delivery method

Distributed via e-mail attachment

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