MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4b1a3ac3d72dd610308e4567b22972e7cc07e1d121dfc3a0d4a9aec21d1b919. 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: 10

Maldoc score: 16

Intelligence 10 IOCs YARA File information Comments

SHA256 hash:	a4b1a3ac3d72dd610308e4567b22972e7cc07e1d121dfc3a0d4a9aec21d1b919
SHA3-384 hash:	bbf10f3ce7e4b10ab107ce45fa747e495394b7233e108613f387eb0f0c8870798b0c62426472a5cbb5ead7f23faed826
SHA1 hash:	0dc27580bcfdce9b037b882f1683198cae7a3e37
MD5 hash:	3cd7e5a05b2bf3fbc3e8c860835bca2a
humanhash:	utah-happy-black-idaho
File name:	tmpkx8r5x27
Download:	download sample
Signature	Heodo Create hunting rule
File size:	126'464 bytes
First seen:	2022-02-07 22:22:29 UTC
Last seen:	2022-02-13 20:10:56 UTC
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	3072:pcKoSsxzNDZLDZjlbR868O8KlVH3skehvMqAPjxO5xyZUE5V5xtezEVg8/dg8a3V:pcKoSsxzNDZLDZjlbR868O8KlVH3sker
TLSH	T166C39D6EB648CA0BDA4953314EE3CBF67336BC819F9297437195B72E1C3A580C607B16
Reporter	Cryptolaemus1
Tags:	Emotet epoch5 Heodo xlsx

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 19 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	86712 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	677 bytes	_VBA_PROJECT_CUR/PROJECT
10	170 bytes	_VBA_PROJECT_CUR/PROJECTwm
11	8981 bytes	_VBA_PROJECT_CUR/VBA/ErtWSgdh58ufTgjHd
12	10932 bytes	_VBA_PROJECT_CUR/VBA/GjseGsw346dtUIdf
13	6109 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
14	1701 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
15	184 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
16	440 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
17	332 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
18	922 bytes	_VBA_PROJECT_CUR/VBA/dir
19	993 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 :

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/237122/

Detection(s):

TwinWave.EvilDoc.CROStringBuilderHidingPlacesPapaDontTakeNoMess.20200916.UNOFFICIAL

TwinWave.EvilDoc.CROMiscreantNeuralLinkTerra.20210721.UNOFFICIAL

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

MiscreantPunch.EvilMacro.PSHELLB64INVOKEDASHWINVOKEDASHW.3.UNOFFICIAL

TwinWave.EvilDoc.PDATARootDown.20220203.UNOFFICIAL

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

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

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

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

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

TwinWave.EvilDoc.DOCXRSTRGOOD._OUTFILE.220203B64.2.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.C_PROGRAMDATA_.220203B64.9.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

DNS request

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file

Running batch commands

Creating a process with a hidden window

Launching a process

Sending an HTTP GET request

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/a4b1a3ac3d72dd610308e4567b22972e7cc07e1d121dfc3a0d4a9aec21d1b919/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/62019bcc845a69d7734b3175/reports/a5549dd9-8cf3-4307-b5e0-0cafd0309e29/overview

Label:

Malicious

Suspicious Score:

8.6/10

Score Malicious:

86%

Score Benign:

14%

Link:

https://www.malware.ai/gui/files/?id=834d252c-51b0-49c8-9ba6-195ffc4c06bc

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/a4b1a3ac3d72dd610308e4567b22972e7cc07e1d121dfc3a0d4a9aec21d1b919

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...

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a4b1a3ac3d72dd610308e4567b22972e7cc07e1d121dfc3a0d4a9aec21d1b919/

Threat name:

Script-Macro.Dropper.SDrop

Status:

Malicious

First seen:

2022-02-07 22:23:14 UTC

File Type:

Document

Extracted files:

AV detection:

9 of 43 (20.93%)

Threat level:

3/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=usy2hlb5olowcayi4rlhwiuxfz6ma7q5cio7yoqnjknoyiorxemq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro macro_on_action

Link:

https://tria.ge/reports/220207-2at38saebl/

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

Checks computer location settings

Blocklisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://harperhouseproducts.com/Merchant2/ARsf1LIcOauhH1rDrIh/
http://holubvideo.com/eln-images/zqqgZ0YXaPiWbF/
http://magicblog.tatamotors.com/wp-includes/7faN9/
http://chastongroditski.com/eln-images/skSsCLJtI24kZvo/
http://seacupps.com/eln-images/AYvykzg/
http://ericandrobin.com/cgi/qRe8dRaG2HDNOOG1/
http://sosantiques.com/cgi/9ii/
https://greenlawnirrigation.net/GLI_New/JRlt3mOiezE/
https://on-lineventures.com/cgi/ks0Mp/
http://sunriseconsultant.com/eln-images/sO4XvFBsevCRf/
http://blog.logo123.com/wp-content/19G04LjA1UcE1tN8/
http://intrablog.tatamotors.com/wp-includes/MGGi5zcZrkolFH9/

Malware family:

Emotet

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/a4b1a3ac3d72/report/overview.html

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

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/237122/

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