MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63. 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: 23

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63
SHA3-384 hash:	c55e2db36fac3b0565441fbb35fb5bc491604cafee246f0fec67ad24ba0c3d8cafa25742ca2189f71a35dcaeb3552ab2
SHA1 hash:	5d4af4d67a7af92553cc9b14482e6b2a16593281
MD5 hash:	ffda421cad39343ff1f63eac5351a75b
humanhash:	monkey-friend-utah-rugby
File name:	Invoice #8884.xlsm
Download:	download sample
File size:	311'387 bytes
First seen:	2021-04-12 15:41:26 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	6144:ieKWJY/Q275u7GiSqFaCK80ks0Nd4feGab6Magxs/NIjMaKBOSByr:bJvaBqj0v0Nd4zyS3Ij3oi
TLSH	096423AEFDDFEA0DDC9E943D550BA9E1190178829780F80A368AE24D4ED949703DF1C7
Reporter	cocaman
Tags:	INVOICE xlsm

cocaman

Malicious email (T1566.001)
From: "Gojkovic Joye <customer_service825@cargointernational-ship.com>" (likely spoofed)
Received: "from server.cargointernational-ship.com (static.194.224.9.5.clients.your-server.de [5.9.224.194]) "
Date: "Mon, 12 Apr 2021 07:54:45 -0700"
Subject: "for the previous week"
Attachment: "Invoice #8884.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 51 sections in this file using oledump:

Section ID	Section size	Section name
A1	1378 bytes	PROJECT
A2	746 bytes	PROJECTwm
A3	6405 bytes	VBA/DLPGYCJWIfOosQQx
A4	7385 bytes	VBA/Lhvml_ouac
A5	5906 bytes	VBA/PVey_bV_orms_DwEDghNjOcv_o
A6	4659 bytes	VBA/QJou_QYvcYutIMZ
A7	991 bytes	VBA/Sheet1
A8	991 bytes	VBA/Sheet2
A9	991 bytes	VBA/Sheet3
A10	991 bytes	VBA/Sheet4
A11	991 bytes	VBA/Sheet5
A12	1647 bytes	VBA/ThisWorkbook
A13	4925 bytes	VBA/X_kPZKRNN
A14	10827 bytes	VBA/Y_UO
A15	48404 bytes	VBA/_VBA_PROJECT
A16	4695 bytes	VBA/__SRP_0
A17	455 bytes	VBA/__SRP_1
A18	214 bytes	VBA/__SRP_10
A19	206 bytes	VBA/__SRP_11
A20	170 bytes	VBA/__SRP_12
A21	156 bytes	VBA/__SRP_13
A22	171 bytes	VBA/__SRP_14
A23	170 bytes	VBA/__SRP_15
A24	170 bytes	VBA/__SRP_16
A25	156 bytes	VBA/__SRP_17
A26	171 bytes	VBA/__SRP_18
A27	170 bytes	VBA/__SRP_19
A28	171 bytes	VBA/__SRP_1a
A29	170 bytes	VBA/__SRP_1b
A30	800 bytes	VBA/__SRP_2
A31	156 bytes	VBA/__SRP_3
A32	406 bytes	VBA/__SRP_4
A33	406 bytes	VBA/__SRP_5
A34	362 bytes	VBA/__SRP_6
A35	356 bytes	VBA/__SRP_7
A36	170 bytes	VBA/__SRP_8
A37	156 bytes	VBA/__SRP_9
A38	266 bytes	VBA/__SRP_a
A39	256 bytes	VBA/__SRP_b
A40	362 bytes	VBA/__SRP_c
A41	356 bytes	VBA/__SRP_d
A42	170 bytes	VBA/__SRP_e
A43	156 bytes	VBA/__SRP_f
A44	21858 bytes	VBA/cRZdl_Zd
A45	25112 bytes	VBA/d_OKcMDcJRozOWHG
A46	1489 bytes	VBA/dir
A47	25113 bytes	VBA/iMP_mAJQDMJoPUsaymiYxT_eBGbqL
A48	4239 bytes	VBA/omVH
A49	15249 bytes	VBA/xePtunrHYlYxvYpLtAvLprwIKnX_p
A50	21081 bytes	VBA/yKh_PuxxUqvvn_NlBmHWMR

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	UUUUUUV	55555555555556
Hex String	fHy5eh6	66487935656836
Hex String	333333	333333333333
Hex String	X R8 R8	58095238095238
Hex String	6666666	36363636363636
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	ChrW	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 :

117

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Invoice #8884.xlsm

Verdict:

No threats detected

Analysis date:

2021-04-12 15:46:15 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/2a624844-117f-40c4-8777-146c052c1af4

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/133799/

Detection(s):

TwinWave.EvilDoc.EMOCROSelfRefDontUseJelly.202000929.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Sending a custom TCP request by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63/results/dashboard

Payload URLs

URL

File name

https://kplmrdentalcare.com/wp-content/themes/demonishrana/template-parts/footer/d1kzqnUrzgy.php

sharedStrings.xml

Document image

Image:

Download PNG

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/673285

Signature

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with base64 encoded 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 many randomly named variables

Document contains an embedded VBA with many string operations indicating source code obfuscation

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)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63/

Threat name:

Script-Macro.Trojan.Amphitryon

Status:

Malicious

First seen:

2021-04-12 15:42:07 UTC

File Type:

Document

Extracted files:

AV detection:

12 of 48 (25.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sb3dx4cy3z6upcpx7tfpccnwk3niolrh7ztjdnd7xzldupqajvrq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

evasion macro trojan

Link:

https://tria.ge/reports/210412-l8168n3lhs/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Script User-Agent

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Checks whether UAC is enabled

Loads dropped DLL

Process spawned unexpected 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/90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63

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.

Malspam

xlsm 90763bf058de7d4789f7fccaf109b656da872e27fe6691b47fbe563a3e004d63

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/133799/

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