MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b. 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: 7

Maldoc score: 8

Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash:	03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b
SHA3-384 hash:	bef67fc5e1fd5407f73a3cacc48df1ada0d8c3761e124911d725c3aa21055a1ba7b53d4d47296ee2ee0aa8e9a514059e
SHA1 hash:	d6243cffb118ad9f6462bd76045aa4a3652520d8
MD5 hash:	15560107d8a1264aa3b3b8b88048ecb4
humanhash:	butter-sierra-island-quebec
File name:	4168910961_1866382534.xlsm
Download:	download sample
Signature	TrickBot Create hunting rule
File size:	607'568 bytes
First seen:	2021-05-14 05:15:40 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:npex0VbLbGeH+59SjNGst3hglv595+6tLAJVX0cfxBNtsY69bWed0t:nUKVbLte52dt3i/+mAJ2gsY6oe2
TLSH	C4D412134859CB47C26893F8BE174D2D6B0B1B0C698134EE765F8E8F7F643A51ADA10E
Reporter	cocaman
Tags:	TrickBot xlsm

cocaman

Malicious email (T1566.001)
From: "Order Support <webinaire@atlanchimpharma.com>" (likely spoofed)
Received: "from o255.p27.mailjet.com (o255.p27.mailjet.com [185.189.238.255]) "
Date: "12 May 2021"
Subject: "(Ticket #51743951) is attached"
Attachment: "4168910961_1866382534.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: 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	EXEC	May run an executable file or a system
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 :

328

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4168910961_1866382534.xlsm

Verdict:

No threats detected

Analysis date:

2021-05-14 05:17:54 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/0fde9e31-e6dc-45f0-9b5b-d68bfe4a810d

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/156393/

Detection(s):

SecuriteInfo.com.Office.Macro-3.UNOFFICIAL

SecuriteInfo.com.MSOffice.DdeExec-3.UNOFFICIAL

TwinWave.EvilDoc.XLMSumBodyToLove.M2.032421.UNOFFICIAL

SecuriteInfo.com.Trojan.GenericKD.36887957.22465.26109.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Excel4Macro

Link:

https://app.docguard.net/03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b/results/dashboard

Document image

Image:

Download PNG

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

troj.expl.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/781573

Signature

Document exploit detected (drops PE files)

Found Excel 4.0 Macro with suspicious formulas

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Office process drops PE file

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected MalDoc1

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b/

Threat name:

Win32.Trojan.TrickBot

Status:

Malicious

First seen:

2021-05-14 05:16:09 UTC

File Type:

Document

Extracted files:

125

AV detection:

25 of 47 (53.19%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ap3oyr37awblxc6mkxwka5rcz724uv6cxacorgnp2it7ubxzognq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/210514-wvs51k8ht2/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

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

Threat name:

Suspicious File

Score:

0.40

Link:

https://yomi.yoroi.company/submissions/03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b

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:	adonunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AD on UNIX

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.

Malspam

TrickBot

xlsm 03f6ec477f0582bb8bcc55eca07622cff5ca57c2b804e899afd227fa06f9719b

(this sample)

Delivery method

Distributed via e-mail attachment

Dropping

TrickBot

Cape

https://www.capesandbox.com/analysis/156393/

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