MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4. 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

IcedID

Vendor detections: 9

Maldoc score: 5

Intelligence 9 IOCs 1 YARA 17 File information Comments

SHA256 hash:	a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4
SHA3-384 hash:	320b0661fed282fb185d6f3fc24a144503c073c28a5683fcbfbbf03b2e0cce83efa408eeb8f22766079687847fa8255d
SHA1 hash:	c253407c1949adfdbbe87f41b768c674334bd602
MD5 hash:	8a80eefe86d4c24b7eb6041cd8471b63
humanhash:	whiskey-oranges-artist-november
File name:	document-1441690151.xls
Download:	download sample
Signature	IcedID Create hunting rule
File size:	184'832 bytes
First seen:	2021-04-01 11:14:16 UTC
Last seen:	2021-04-01 12:00:32 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:4PrixIEudkLeXf1D5XUY//wBf8orsYwbKynDLmAMo5VjP2/zaU5:4PmxIEudkLeXPD/PjYwe2DMo3S/F
TLSH	D0044003EEE7462FC6844B3941F3864576E29C4907DB46475688FB6EAF3DB862E10ED0
Reporter	abuse_ch
Tags:	IcedID xls

abuse_ch

IcedID C2:
tvorartificialnature.xyz

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
tvorartificialnature.xyz	https://threatfox.abuse.ch/ioc/6415/

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 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	173850 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	EXEC	May run an executable file or a system
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

104

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/130682/

Detection(s):

TwinWave.EvilDoc.QakbotTheDuck.20200928.UNOFFICIAL

TwinWave.EvilDoc.Excel4MacroLuresWatchingTheDectives.20210115.UNOFFICIAL

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

TwinWave.EvilDoc.QakySoWacky.M2.20210218.UNOFFICIAL

TwinWave.EvilDoc.QakySoWacky.M3.20210301.UNOFFICIAL

TwinWave.EvilDoc.QakbotTheDuck.20210330.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Creating a process with a hidden window

Sending a custom TCP request by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4/results/dashboard

Payload URLs

URL

File name

_xlfn.BETA.INV

WorkBook

Document image

Image:

Download PNG

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4

Details

Excel 4.0 Macro

Document contains Excel 4.0 macros (XLM). A valid, albeit dated feature, this document should be treated with suspicion.

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4/

Threat name:

Document-Word.Trojan.IcedID

Status:

Malicious

First seen:

2021-04-01 11:15:16 UTC

AV detection:

13 of 29 (44.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ul3zzwc2kg4fc5gfd342ewo425qfz3ie26ku5u5opkux6vor3xca._file

Result

Malware family:

icedid

Score:

10/10

Tags:

family:icedid banker loader trojan

Link:

https://tria.ge/reports/210401-dv74r5yb6x/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Loads dropped DLL

Blocklisted process makes network request

IcedID First Stage Loader

IcedID, BokBot

Process spawned unexpected child process

Malware Config

C2 Extraction:

tvorartificialnature.xyz

Dropper Extraction:

https://vts.us.com/ds/0104.gif
https://mundotecnologiasolar.com/ds/0104.gif
https://accesslinksgroup.com/ds/0104.gif
https://ponchokhana.com/ds/0104.gif
https://comosairdoburaco.com.br/ds/0104.gif

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/a2f79cd85a51b85174c51ef9a259dcd7605ced04d7954ed3ae7aa97f55d1ddc4

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:	ach_ZLoader_xls_20201029 Create hunting rule
Author:	abuse.ch
Description:	Detects ZLoader XLS

Rule name:	buerloader_halo_generated Create hunting rule
Author:	Halogen Generated Rule, Corsin Camichel

Rule name:	dridex_halo_generated Create hunting rule
Author:	Halogen Generated Rule, Corsin Camichel

Rule name:	Email_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Email in files like avemaria

Rule name:	INDICATOR_DOC_PhishingPatterns Create hunting rule
Author:	ditekSHen
Description:	Detects OLE, RTF, PDF and OOXML (decompressed) documents with common phishing strings

Rule name:	IPPort_combo_mem Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

Rule name:	multiple_concats_in_excel4_exec_enjoy_the_silence Create hunting rule
Author:	Will Metcalf
Description:	Behold The Great And Powerful Match Iterator. Multiple Concats with register Function SILENT BUILDER EDITION
Reference:	https://blog.reversinglabs.com/blog/excel-4.0-macros

Rule name:	multiple_concats_in_excel4_formula_call Create hunting rule
Author:	Will Metcalf
Description:	Behold The Great And Powerful Match Iterator. Multiple Concats Inside of call Function
Reference:	https://blog.reversinglabs.com/blog/excel-4.0-macros

Rule name:	quakbot_halo_generated Create hunting rule
Author:	Halogen Generated Rule, Corsin Camichel

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:	silentbuilder_03_11 Create hunting rule
Author:	James Quinn
Description:	SilentBuilder xls sheets

Rule name:	silentbuilder_03_17 Create hunting rule
Author:	James Quinn
Description:	SilentBuilder xls sheets

Rule name:	silentbuilder_halo_generated Create hunting rule
Author:	Halogen Generated Rule, Corsin Camichel

Rule name:	SUSP_EnableContent_String_Gen Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious string that asks to enable active content in Office Doc
Reference:	Internal Research

Rule name:	SUSP_Excel4Macro_AutoOpen Create hunting rule
Author:	John Lambert @JohnLaTwC
Description:	Detects Excel4 macro use with auto open / close

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.

Cape

https://www.capesandbox.com/analysis/130682/

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