MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8e23948a553cc3d7bed2a44a54ac54a5ae85800ce720826b6c224ba53ceb18e. 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

Gozi

Vendor detections: 9

Maldoc score: 14

Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash:	c8e23948a553cc3d7bed2a44a54ac54a5ae85800ce720826b6c224ba53ceb18e
SHA3-384 hash:	85203de7a9a0fbf1f5bcfbdb3d90535d791ce39f75f2171ee7620d2fe8fe0898e6778022f401939ed26436a2a880ecc1
SHA1 hash:	48d3ddd71c75177735924fd14b2638e4d03dcf0b
MD5 hash:	d607a28736834608ad8bc1a7642aebc1
humanhash:	helium-neptune-leopard-fix
File name:	1_202208908077543493.xls
Download:	download sample
Signature	Gozi Create hunting rule
File size:	51'200 bytes
First seen:	2022-08-31 09:43:02 UTC
Last seen:	2022-09-12 13:32:05 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:iEklYkEIbSkKBEqEXPgsRZmbaoFhZhR0cixIHm00S5iCGKkhZqmSL:ijlYkEIuPm3fNRZmbaoFhZhR0cixIHmk
TLSH	T1F833F856B696D99AE916173A4CE2C6EE7332FC409F6B47073249F32E1E752D0890370B
TrID	80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	JAMESWT_WT
Tags:	agenziaentrate agenziariscossione Gozi isfb ITA Ursnif 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: 14

OLE dump

MalwareBazaar was able to identify 16 sections in this file using oledump:

Section ID	Section size	Section name
1	118 bytes	CompObj
2	252 bytes	DocumentSummaryInformation
3	220 bytes	SummaryInformation
4	28813 bytes	Workbook
5	517 bytes	_VBA_PROJECT_CUR/PROJECT
6	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	5614 bytes	_VBA_PROJECT_CUR/VBA/Foglio1
8	1211 bytes	_VBA_PROJECT_CUR/VBA/Questa_cartella_di_lavoro
9	2876 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
10	2235 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
11	432 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
12	1382 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
13	686 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
14	680 bytes	_VBA_PROJECT_CUR/VBA/__SRP_4
15	106 bytes	_VBA_PROJECT_CUR/VBA/__SRP_5
16	561 bytes	_VBA_PROJECT_CUR/VBA/dir

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
Suspicious	Create	May execute file or a system command through WMI
Suspicious	GetObject	May get an OLE object with a running instance
Suspicious	Lib	May run code from a DLL
Suspicious	URLDownloadToFileA	May download files from the Internet
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
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 :

478

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1_202208908077543493.xls

Verdict:

Malicious activity

Analysis date:

2022-08-31 09:43:34 UTC

Tags:

macros maldoc-5

Link:

https://app.any.run/tasks/37551699-c932-44ea-978c-19fb0dba3237

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/306776/

Detection(s):

SecuriteInfo.com.Macro.Downloader-1.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS

TwinWave.EvilDoc.DOCXRSTRGOOD.REGSVR32.200630.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.210419.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS.210420.UNOFFICIAL

TwinWave.EvilDoc.PkillDlAndDetonateFugeeLa.20220525.UNOFFICIAL

Sanesecurity.Badmacro.XlsM.Urlmon1.UNOFFICIAL

TwinWave.EvilDoc.CutwailPicturesOfU.MSOLE2.220803.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/c8e23948a553cc3d7bed2a44a54ac54a5ae85800ce720826b6c224ba53ceb18e/results/dashboard

Behaviour

BlacklistAPI detected

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm evasive macros regsvr32 ursnif

Link:

https://www.filescan.io/uploads/630f2de43e9e50b1baef890e/reports/640c56e6-5117-4fd5-9928-430b887bd296/overview

Label:

Malicious

Suspicious Score:

5.3/10

Score Malicious:

53%

Score Benign:

47%

Link:

https://www.malware.ai/gui/files/?id=96a2656d-b82e-4820-a165-8b22a2322556

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1061498

Behaviour

Behavior Graph:

n/a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c8e23948a553cc3d7bed2a44a54ac54a5ae85800ce720826b6c224ba53ceb18e/

Threat name:

Document-Word.Trojan.Ursnif

Status:

Malicious

First seen:

2022-08-31 09:44:07 UTC

File Type:

Document

Extracted files:

AV detection:

3 of 25 (12.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zdrdssffkpgd267nfjckkswfjjnoqwaazzzaqjvwyisluu6owgha._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/220831-lpyrzaead5/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Office loads VBA resources, possible macro or embedded object present

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c8e23948a553/report/overview.html

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

Threat name:

Malicious File

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/c8e23948a553cc3d7bed2a44a54ac54a5ae85800ce720826b6c224ba53ceb18e

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:	informational_win_ole_protected Create hunting rule
Author:	Jeff White (karttoon@gmail.com) @noottrak
Description:	Identify OLE Project protection within documents.

Rule name:	TA505_Maldoc_21Nov_2 Create hunting rule
Author:	Arkbird_SOLG
Description:	invitation (1).xls
Reference:	https://twitter.com/58_158_177_102/status/1197432303057637377

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/306776/

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