MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef. 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: 7

Maldoc score: 8

Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash:	04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef
SHA3-384 hash:	9226a7dcd577ecb95e705fb6043753c7af74e383f3a382be0e18b79328e10da1e188c01a037937857a83ec23c6c0f68d
SHA1 hash:	7cea05dc1a2b0e0da0fdfeb5083647546b6fe8f7
MD5 hash:	0f4dc716737a4fa41422ae05172f735b
humanhash:	juliet-virginia-two-sodium
File name:	1974m.xlsm
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	20'391 bytes
First seen:	2021-03-23 06:15:39 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	384:Z7Zt44nnqHTdKJWg5ntENtBTjpPckdY3pAzPgUlM9zbVp1:FqzcJpneFjpPcSY3pWYxh
TLSH	AE92C02BE01AB46ED53BD53FC20E44F0DA4D1042BBD969EE7908421E4A9136363ED69F
Reporter	JoulK
Tags:	xlsm ZLoader

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: 8

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	FORMULA.FILL	May modify Excel 4 Macro formulas at runtime
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)
Suspicious	XLM macrosheet	XLM macrosheet found. It could contain malicious code

Intelligence

File Origin

# of uploads :

# of downloads :

162

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1974m.xlsm

Verdict:

No threats detected

Analysis date:

2021-03-23 06:17:46 UTC

Tags:

macros40

Link:

https://app.any.run/tasks/f8e1328c-3e8b-46e2-98b3-746ad8426fdf

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.sheet.macroEnabled.12

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/126404/

Detection(s):

SecuriteInfo.com.Office.Macro-1.UNOFFICIAL

TwinWave.EvilDoc.Zloader.KeepTheirHeadsRingin.20210311.UNOFFICIAL

TwinWave.EvilDoc.Zloader.KeepTheirHeadsRingin.M2.20210311.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Excel4Macro

Link:

https://app.docguard.net/04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef/results/dashboard

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

evad

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/649395

Signature

Found abnormal large hidden Excel 4.0 Macro sheet

Hides that the sample has been downloaded from the Internet (zone.identifier)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef/

Threat name:

Document-Excel.Downloader.Heuristic

Status:

Malicious

First seen:

2021-03-23 06:16:04 UTC

AV detection:

5 of 48 (10.42%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=at26ngz6gwuufswsbcbiihwqfaxwiiotworohl23z2m35mht2pxq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210323-v9kf1jkz9j/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

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/04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef

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

Rule name:	Microsoft_XLSX_with_Macrosheet Create hunting rule

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

File information

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

Web download

ZLoader

xlsm 04f5e69b3e35a942cad20882841ed0282f6421d3b3a2e3af5bce99beb0f3d3ef

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/126404/

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