MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acef7513d0b88c55f8a805a96ae9e079f2583bfb4e7fdeeaffd5af6d274d3e5f. 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: 6

Maldoc score: 7

Intelligence 6 IOCs YARA 8 File information Comments

SHA256 hash:	acef7513d0b88c55f8a805a96ae9e079f2583bfb4e7fdeeaffd5af6d274d3e5f
SHA3-384 hash:	ebdfa1316aff5828085387c72bc0d01cf96503bf99eb4c3945b1cedca8b1bb789fef71d8ee03bd2dcc0d3c32336fa1a6
SHA1 hash:	921a47b308ad79c3e5c68c96cb7dfe1e45f9fdb8
MD5 hash:	3189c039b0a253cc8f57cdc530d28d3c
humanhash:	mountain-undress-kansas-twenty
File name:	Sales_Receipt_n1987_12022020.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	116'736 bytes
First seen:	2020-12-03 06:49:44 UTC
Last seen:	2020-12-03 09:13:36 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	3072:cFFk3hbdlylKsgqopeJBWhZFGkE+cL2NdAwwyaKXSLDtrKbae99hslLqtd9i2w:cbk3hbdlylKsgqopeJBWhZFVE+W2NdAo
TLSH	45B35C75BFA6D414D68977314CD382996A32FC109B5693BBF20AB30DDB37E488F09912
Reporter	JAMESWT_WT
Tags:	Dridex xls 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: 7

Application name is unknown

Office document is in OLE format

Office document contains VBA Macros

OLE dump

MalwareBazaar was able to identify 18 sections in this file using oledump:

Section ID	Section size	Section name
1	108 bytes	CompObj
2	280 bytes	DocumentSummaryInformation
3	128 bytes	SummaryInformation
4	112 bytes	MBD00043CBD/CompObj
5	80 bytes	MBD00043CBD/f
6	0 bytes	MBD00043CBD/o
7	96323 bytes	Workbook
8	539 bytes	_VBA_PROJECT_CUR/PROJECT
9	86 bytes	_VBA_PROJECT_CUR/PROJECTwm
10	2787 bytes	_VBA_PROJECT_CUR/VBA/Module1
11	1483 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
12	999 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
13	3525 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
14	2017 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
15	165 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
16	310 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
17	334 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
18	820 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
AutoExec	ResizeDoc_Layout	Runs when the file is opened and ActiveX objects trigger events
Suspicious	Run	May run an executable file or a system command
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)

Intelligence

File Origin

# of uploads :

# of downloads :

189

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Rogue.0hr.20201203-0606.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/acef7513d0b88c55f8a805a96ae9e079f2583bfb4e7fdeeaffd5af6d274d3e5f/results/dashboard

Document image

Image:

Download PNG

Result

Threat name:

Dridex

Detection:

malicious

Classification:

troj.expl.evad.bank

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/554086

Signature

Detected Dridex e-Banking trojan

Document contains an embedded VBA macro which may execute processes

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Machine Learning detection for dropped file

Multi AV Scanner detection for dropped file

Office process drops PE file

Sigma detected: BlueMashroom DLL Load

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Regsvr32 Anomaly

System process connects to network (likely due to code injection or exploit)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/acef7513d0b88c55f8a805a96ae9e079f2583bfb4e7fdeeaffd5af6d274d3e5f/

Threat name:

Document-Word.Trojan.Hiddbook

Status:

Malicious

First seen:

2020-12-02 17:13:19 UTC

File Type:

Document

Extracted files:

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vtxxke6qxcgfl6fiawuwv2paphzfqo73jz7552x72wxw2j2nhzpq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/201203-3svr26j5ga/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Process spawned suspicious child process

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

Threat name:

Dridex

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/acef7513d0b88c55f8a805a96ae9e079f2583bfb4e7fdeeaffd5af6d274d3e5f

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_20200514 Create hunting rule
Author:	abuse.ch

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

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

Rule name:	Excel_Hidden_Macro_Sheet Create hunting rule

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

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.

No further information available

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