MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e97e626afb095ff88a2f68b6774bc83f31a1c0edf6bf27f4e70de43419d0793a. 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

TrickBot

Vendor detections: 8

Maldoc score: 17

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	e97e626afb095ff88a2f68b6774bc83f31a1c0edf6bf27f4e70de43419d0793a
SHA3-384 hash:	36e1a01b5ff6342a086f77a5eba77b4f4c85a9f7390a62ced602a5abdc7b482a238f1f31f91c7c9c5da2e30320d84dac
SHA1 hash:	7f8a1ad272cded9e58e0e82d90f28496e1faf572
MD5 hash:	f6677bdf0d9fcdc58a921730972ae752
humanhash:	skylark-pizza-coffee-pizza
File name:	Waltons PO- 84635.xls
Download:	download sample
Signature	TrickBot Create hunting rule
File size:	415'744 bytes
First seen:	2021-04-22 06:28:23 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	12288:5Y1FzN5Uvh0TcIplEZF4FDay/ZgJz3LO9ECVH:5ydJXEZGA4WJbi9L
TLSH	5D940256B3A1DA0AED870371CDE09EE22325FD12DFAA57877227F34E3A35380441259B
Reporter	abuse_ch
Tags:	TrickBot 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: 17

Application name is Microsoft Excel

Office document is in OLE format

Office document contains VBA Macros

OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section ID	Section size	Section name
1	108 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	212 bytes	SummaryInformation
4	391441 bytes	Workbook
5	559 bytes	_VBA_PROJECT_CUR/PROJECT
6	128 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	6773 bytes	_VBA_PROJECT_CUR/VBA/Module1
8	991 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
9	991 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
10	991 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
11	999 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
12	3382 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
13	597 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	Auto_Close	Runs when the Excel Workbook is closed
IOC	Application.VBE	Executable file name
Suspicious	Shell	May run an executable file or a system command
Suspicious	Run	May run an executable file or a system command
Suspicious	VBProject	May attempt to modify the VBA code (self- modification)
Suspicious	VBComponents	May attempt to modify the VBA code (self- modification)
Suspicious	CodeModule	May attempt to modify the VBA code (self- modification)
Suspicious	AddFromString	May attempt to modify the VBA code (self- modification)
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 :

143

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Walton_PO-2084635.xls

Verdict:

Malicious activity

Analysis date:

2021-04-22 06:34:57 UTC

Tags:

macros macros-on-close

Link:

https://app.any.run/tasks/3623d5f0-cd1b-44f5-9d26-e2ff5a991ee7

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

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/143559/

Detection(s):

SecuriteInfo.com.ISB.Downloadergen255.13233.26163.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/e97e626afb095ff88a2f68b6774bc83f31a1c0edf6bf27f4e70de43419d0793a/results/dashboard

Document image

Image:

Download PNG

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.expl

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/692360

Signature

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro which might access itself as a file (possible anti-VM)

Document contains an embedded VBA with base64 encoded strings

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

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

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e97e626afb095ff88a2f68b6774bc83f31a1c0edf6bf27f4e70de43419d0793a/

Threat name:

Document-Office.Trojan.Heuristic

Status:

Malicious

First seen:

2021-04-22 05:00:32 UTC

AV detection:

9 of 46 (19.57%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5f7ge2x3bfp7rcrpnc3hos6ih4y2dqhn627sp5hhbxsdigoqpe5a._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro macro_on_action

Link:

https://tria.ge/reports/210422-gm2hwdhlb6/

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

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/e97e626afb095ff88a2f68b6774bc83f31a1c0edf6bf27f4e70de43419d0793a

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:	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/143559/

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