MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28977cd312c41e8ebdf5c7089a8e3d76d37c8551fdd9a9c32191ecea23f3c2d8. 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

Dridex

Vendor detections: 7

Maldoc score: 23

Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash:	28977cd312c41e8ebdf5c7089a8e3d76d37c8551fdd9a9c32191ecea23f3c2d8
SHA3-384 hash:	df3adeab96e47882143c9e83af4ed91ad52054ee29f0476bcebd8ffec12e7350d042b6239d1a4aadb7a7105514dc6a28
SHA1 hash:	fc886a226660ae0423b24c5171cbcc5f60a0fbc1
MD5 hash:	bff3376643c19abaec12de924b31ea81
humanhash:	green-table-double-london
File name:	check 24994.xlsm
Download:	download sample
Signature	Dridex Create hunting rule
File size:	828'676 bytes
First seen:	2021-05-10 17:19:02 UTC
Last seen:	2021-05-10 17:59:20 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	24576:NHqr2mX3YI8rggLjzdmzn7qf+853rT43KKYrxk:NDpI8rgOSm+q3fXxk
TLSH	240523E5C648FA4BCB63743462846F666383067799E3FC9CB245FA38FE94A41344225B
Reporter	abuse_ch
Tags:	22202 Dridex xlsm

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: 23

OLE dump

MalwareBazaar was able to identify 47 sections in this file using oledump:

Section ID	Section size	Section name
A1	97 bytes	CERNUOUS_DEIFIED/CompObj
A2	272 bytes	CERNUOUS_DEIFIED/VBFrame
A3	38 bytes	CERNUOUS_DEIFIED/f
A4	0 bytes	CERNUOUS_DEIFIED/o
A5	97 bytes	EISELS_ORPHANED_DODGINESS_POLY/CompObj
A6	286 bytes	EISELS_ORPHANED_DODGINESS_POLY/VBFrame
A7	38 bytes	EISELS_ORPHANED_DODGINESS_POLY/f
A8	0 bytes	EISELS_ORPHANED_DODGINESS_POLY/o
A9	1514 bytes	PROJECT
A10	881 bytes	PROJECTwm
A11	30759 bytes	VBA/CERNUOUS_DEIFIED
A12	56158 bytes	VBA/CHAWERSCOURTESYCARICATURAL
A13	52077 bytes	VBA/CIRCULATINGSALERTS
A14	29504 bytes	VBA/EISELS_ORPHANED_DODGINESS_POLY
A15	272765 bytes	VBA/ENDOMETRIUMOVERGLANCED
A16	112939 bytes	VBA/REHARDENED_OVEROPERATE
A17	991 bytes	VBA/Sheet1
A18	991 bytes	VBA/Sheet2
A19	991 bytes	VBA/Sheet3
A20	991 bytes	VBA/Sheet4
A21	991 bytes	VBA/Sheet5
A22	7782 bytes	VBA/ThisWorkbook
A23	8019 bytes	VBA/_VBA_PROJECT
A24	4019 bytes	VBA/__SRP_0
A25	761 bytes	VBA/__SRP_1
A26	171 bytes	VBA/__SRP_10
A27	170 bytes	VBA/__SRP_11
A28	208 bytes	VBA/__SRP_2
A29	234 bytes	VBA/__SRP_3
A30	208 bytes	VBA/__SRP_4
A31	234 bytes	VBA/__SRP_5
A32	208 bytes	VBA/__SRP_6
A33	234 bytes	VBA/__SRP_7
A34	171 bytes	VBA/__SRP_8
A35	170 bytes	VBA/__SRP_9
A36	171 bytes	VBA/__SRP_a
A37	170 bytes	VBA/__SRP_b
A38	208 bytes	VBA/__SRP_c
A39	234 bytes	VBA/__SRP_d
A40	171 bytes	VBA/__SRP_e
A41	170 bytes	VBA/__SRP_f
A42	21636 bytes	VBA/decrescencesunslumbrousaffreig
A43	1845 bytes	VBA/dir
A44	115185 bytes	VBA/ingenuitiesjitney
A45	114094 bytes	VBA/kyboshed_stoush_martello
A46	114984 bytes	VBA/panhandler_broomballs_foetider

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
Hex String	_A	5F410B313047
Suspicious	Environ	May read system environment variables
Suspicious	Open	May open a file
Suspicious	Write	May write to a file (if combined with Open)
Suspicious	SaveToFile	May create a text file
Suspicious	Run	May run an executable file or a system command
Suspicious	CreateObject	May create an OLE object
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	StrReverse	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Xor	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 :

153

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

check 24994.xlsm

Verdict:

No threats detected

Analysis date:

2021-05-10 16:51:22 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/335d66b3-d71a-4210-b1f7-935e30ee7dba

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/154262/

Detection(s):

TwinWave.EvilDoc.EMOCROSelfRefDontUseJelly.202000929.UNOFFICIAL

TwinWave.EvilDoc.DridexLeaveTheDoorOpen.20210421.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/28977cd312c41e8ebdf5c7089a8e3d76d37c8551fdd9a9c32191ecea23f3c2d8/results/dashboard

Payload URLs

URL

File name

https://test651.estore.vlinkhosting.com/QhX2

sharedStrings.xml

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.expl

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/779184

Signature

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Yara detected MalDoc1

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28977cd312c41e8ebdf5c7089a8e3d76d37c8551fdd9a9c32191ecea23f3c2d8/

Threat name:

Document-Excel.Downloader.Heuristic

Status:

Malicious

First seen:

2021-05-10 16:43:15 UTC

AV detection:

13 of 47 (27.66%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fclxzuysyqpi5ppvy4ejvdr5o3jxzbkr7xm2tqzbshwoui7tylma._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/210510-xfk4s62v22/

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

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/28977cd312c41e8ebdf5c7089a8e3d76d37c8551fdd9a9c32191ecea23f3c2d8

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:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

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.

Cape

https://www.capesandbox.com/analysis/154262/

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