MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d. 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

Emotet (aka Heodo)

Vendor detections: 12

Maldoc score: 16

Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash:	b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d
SHA3-384 hash:	aca69349621052e241bc2c9bcd5c8c7d0f715f8058195107a217d7a79ea1605ac7f218dfbcdb1f463a853a0ff19745da
SHA1 hash:	731860b2442489464cf04be1e5c8777b3829c247
MD5 hash:	631e6b7977a5b2efaa6f310b0eb85399
humanhash:	mirror-six-table-stairway
File name:	KA-9448 report.xls
Download:	download sample
Signature	Heodo Create hunting rule
File size:	132'608 bytes
First seen:	2022-02-07 17:53:31 UTC
Last seen:	2022-02-14 00:03:52 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	3072:kcKoSsxzNDZLDZjlbR868O8KlVH3skehvMqAPjxO5xyZUE5V5xtezEVg8/dg5a3u:kcKoSsxzNDZLDZjlbR868O8KlVH3skel
TLSH	T140D38D6AB648CE0BD94913314EE7CBF67336BC819F5297477295B72E1C3A580CA03B16
Reporter	604Kuzushi
Tags:	Emotet Heodo 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: 16

OLE dump

MalwareBazaar was able to identify 21 sections in this file using oledump:

Section ID	Section size	Section name
1	109 bytes	CompObj
2	220 bytes	DocumentSummaryInformation
3	204 bytes	SummaryInformation
4	86635 bytes	Workbook
5	97 bytes	_VBA_PROJECT_CUR/GjseGsw346dtUIdf/CompObj
6	295 bytes	_VBA_PROJECT_CUR/GjseGsw346dtUIdf/VBFrame
7	311 bytes	_VBA_PROJECT_CUR/GjseGsw346dtUIdf/f
8	300 bytes	_VBA_PROJECT_CUR/GjseGsw346dtUIdf/o
9	660 bytes	_VBA_PROJECT_CUR/PROJECT
10	170 bytes	_VBA_PROJECT_CUR/PROJECTwm
11	8989 bytes	_VBA_PROJECT_CUR/VBA/ErtWSgdh58ufTgjHd
12	11871 bytes	_VBA_PROJECT_CUR/VBA/GjseGsw346dtUIdf
13	6435 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
14	2474 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
15	585 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
16	552 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
17	1188 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
18	440 bytes	_VBA_PROJECT_CUR/VBA/__SRP_4
19	332 bytes	_VBA_PROJECT_CUR/VBA/__SRP_5
20	923 bytes	_VBA_PROJECT_CUR/VBA/dir
21	1001 bytes	_VBA_PROJECT_CUR/VBA/kdFjdset4stugxdsfghs

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	Workbook_Open	Runs when the Excel Workbook is opened
AutoExec	tHdshlkdf36r_Change	Runs when the file is opened and ActiveX objects trigger events
Suspicious	Open	May open a file
Suspicious	Output	May write to a file (if combined with Open)
Suspicious	CreateObject	May create an OLE object
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
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)
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 :

158

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Covid Test Results.zip

Verdict:

Malicious activity

Analysis date:

2022-02-07 18:11:03 UTC

Tags:

covid19 emotet-doc emotet loader

Link:

https://app.any.run/tasks/e37cb981-1290-40ed-a104-91f71e7334bc

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:

n/a

Link:

https://www.capesandbox.com/analysis/236288/

Detection(s):

TwinWave.EvilDoc.CROStringBuilderHidingPlacesPapaDontTakeNoMess.20200916.UNOFFICIAL

TwinWave.EvilDoc.CROMiscreantNeuralLinkTerra.20210721.UNOFFICIAL

SecuriteInfo.com.PUA.PowerShell.Agent-19.UNOFFICIAL

MiscreantPunch.EvilMacro.COBJRB.1.UNOFFICIAL

MiscreantPunch.EvilMacro.PSHELLB64INVOKEDASHWINVOKEDASHW.1.UNOFFICIAL

TwinWave.EvilDoc.PDATARootDown.20220203.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.1.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.4.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.1.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.4.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.8.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD._OUTFILE.220203B64.4.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.C_PROGRAMDATA_.220203B64.11.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file

Running batch commands

Creating a process with a hidden window

Launching a process

Sending a custom TCP request

Sending an HTTP GET request

Moving a recently created file

Searching for the window

DNS request

Creating a window

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/62015cbe4077c8b9a01c547b/reports/e4f7ecee-e050-4e89-89bf-afee2ee2ccfc/overview

Label:

Malicious

Suspicious Score:

8.5/10

Score Malicious:

86%

Score Benign:

14%

Link:

https://www.malware.ai/gui/files/?id=d7d711a2-8cb6-41fc-832a-5e622d9c2498

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d

Details

Base64 Encoded URL

Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro with File System Write

Detected macro logic that can write data to the file system.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Result

Threat name:

Unknown

Detection:

malicious

Classification:

bank.troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/935418

Behaviour

Behavior Graph:

n/a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d/

Threat name:

Document-Office.Trojan.Emotet

Status:

Malicious

First seen:

2022-02-07 17:01:32 UTC

File Type:

Document

Extracted files:

AV detection:

17 of 43 (39.53%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wqydhsnwpqocjlee3pobiqvraahui4v62o6tkbfqn2mkxesm3u6q._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro macro_on_action

Link:

https://tria.ge/reports/220207-wgxvtafabn/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Drops file in Windows directory

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://fullness-safety.com/-/P6x/
https://nabajyotifoundation.com/da8uc7jo/4Za/
https://dwwmaster.com/wp-content/ebHTB4UF2/
http://formula8020.com/css/56Dzi0P/
https://calad-formation.fr/r3x94z/kgZ9OGCi/
http://lissbernardin.com/hthjb3i/x9KHpCeYrr/
http://royalsnackmyanmar.com/wp-includes/GMtz6DxM/
http://pristineservices.findfacts.co.in/cgi-bin/BuLyc2HKLHIQVHQLc/
http://speedrankingsystem.de/wp-admin/k63ZcimPsE6/
https://tigela.org.np/wp-content/Irp27O71/
https://royaltyrealtynsb.com/backup_1/g51THhhLLUqodx6/
http://bachilleratoporciclos.co/wp-content/PvIIx7/
https://edu-media.cn/wp-admin/cKi/
https://rtd.b2bpipe.cn/wp-content/8ESRhIJAIRh/

Malware family:

Emotet

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/b43033c9b67c/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

File information

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

Malspam

Heodo

xls b43033c9b67c1c24ac84dbdc1442b1000f4472bed3bd3504b06e98ab924cdd3d

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/236288/

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