MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc977de2c812009947e6ae3fbcda2e1770b9b94789c2b486187c7a8af6d2f3ce. 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

Threat unknown

Vendor detections: 8

Maldoc score: 7

Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash:	bc977de2c812009947e6ae3fbcda2e1770b9b94789c2b486187c7a8af6d2f3ce
SHA3-384 hash:	aba51cee89ae5c0965eb84cfc3f200bc03ee195dcc7eb1da52d1dac54928ecb08c5597e66ca8d7bfd605af7e4c22342e
SHA1 hash:	4e01aa5f0017c3344ae718444a6dc322cbf3a2ff
MD5 hash:	d612c88b3d0ee5a3430022f6a2d7f96a
humanhash:	winter-kansas-foxtrot-mississippi
File name:	enjoin_09.21.doc
Download:	download sample
File size:	70'656 bytes
First seen:	2021-09-13 22:05:08 UTC
Last seen:	Never
File type:	doc
MIME type:	application/msword
ssdeep	768:8NWODmtQ0AdaS/lAVQirXvxiuW0utxYZAVlTvo+1o9BOAiW4vUp10V6:80Qtdt2Vi9xxKAVK+a9MAiWFp10V6
TLSH	T1C6635B02B265CE22F96989369EE7C2D53B3A7E808F15C7033258BB1D6D751B48E17723
Reporter	malware_traffic
Tags:	doc macros Shathak TA551 TrickBot

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 Microsoft Office Word

Office document is in OLE format

Office document contains VBA Macros

OLE dump

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

Section ID	Section size	Section name
1	114 bytes	CompObj
2	4096 bytes	DocumentSummaryInformation
3	4096 bytes	SummaryInformation
4	7398 bytes	1Table
5	27981 bytes	Data
6	404 bytes	Macros/PROJECT
7	62 bytes	Macros/PROJECTwm
8	1340 bytes	Macros/VBA/ThisDocument
9	2926 bytes	Macros/VBA/_VBA_PROJECT
10	1825 bytes	Macros/VBA/__SRP_0
11	182 bytes	Macros/VBA/__SRP_1
12	532 bytes	Macros/VBA/__SRP_2
13	156 bytes	Macros/VBA/__SRP_3
14	715 bytes	Macros/VBA/dir
15	1648 bytes	Macros/VBA/pwCurr
16	10798 bytes	WordDocument

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	document_open	Runs when the Word or Publisher document is opened
Suspicious	Open	May open a file
Suspicious	Output	May write to a file (if combined with Open)
Suspicious	exec	May run an executable file or a system

Intelligence

File Origin

# of uploads :

# of downloads :

263

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

enjoin_09.21.doc

Verdict:

Malicious activity

Analysis date:

2021-09-13 22:10:54 UTC

Tags:

macros macros-on-open generated-doc

Link:

https://app.any.run/tasks/a275bc41-463f-4e37-9cde-5697b018b590

Note:

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

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

Detection(s):

TwinWave.EvilDoc.ICEDDystopiaNow.20210910.UNOFFICIAL

TwinWave.EvilDoc.FoolsHighwayM4.20210617.UNOFFICIAL

TwinWave.EvilDoc.FoolsHighwayM4.20210826.UNOFFICIAL

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/bc977de2c812009947e6ae3fbcda2e1770b9b94789c2b486187c7a8af6d2f3ce/results/dashboard

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

macros macros-on-open mshta regsvr32

Link:

https://www.filescan.io/uploads/617506519a5a1e91c5d1fdd9/reports/61087e87-854d-4293-af80-94e64735a56a/overview

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/850206

Signature

Document contains an embedded VBA macro which may execute processes

Document exploit detected (process start blacklist hit)

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

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

Sigma detected: MSHTA Spawning Windows Shell

Sigma detected: Register DLL with spoofed extension

Sigma detected: Regsvr32 Anomaly

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bc977de2c812009947e6ae3fbcda2e1770b9b94789c2b486187c7a8af6d2f3ce/

Threat name:

Document-Excel.Trojan.Woreflint

Status:

Malicious

First seen:

2021-09-13 18:06:05 UTC

AV detection:

15 of 44 (34.09%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210913-1z3w1ahecp/

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

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Drops file in Windows directory

Blocklisted process makes network request

Process spawned unexpected child process

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/bc977de2c812009947e6ae3fbcda2e1770b9b94789c2b486187c7a8af6d2f3ce

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:	INDICATOR_DOC_PhishingPatterns Create hunting rule
Author:	ditekSHen
Description:	Detects OLE, RTF, PDF and OOXML (decompressed) documents with common phishing strings

Rule name:	SUSP_EnableContent_String_Gen Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious string that asks to enable active content in Office Doc
Reference:	Internal Research

Rule name:	SUSP_EnableContent_String_Gen_RID322C Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious string that asks to enable active content in Office Doc
Reference:	Internal Research

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.

No further information available

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