MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c. 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

AveMariaRAT

Vendor detections: 13

Maldoc score: 25

Intelligence 13 IOCs YARA File information Comments

SHA256 hash:	1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c
SHA3-384 hash:	f4c6cc52355150d209cf10b845f37993a766275c86b85668af1d488714df28d771ac8cfaeb49dfca60b6d6624f718f1b
SHA1 hash:	e0df1d0e24214439c1f6b4574835d1865fc4e7b3
MD5 hash:	eba0e4348aec7d3cfdc0a8d6ae01d2c0
humanhash:	tennis-eight-steak-blossom
File name:	Purchase Orders.xls
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	38'912 bytes
First seen:	2022-04-11 17:28:06 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:fqDZ+RwPONXoRjDhIcp0fDlaGGx+cL26nAK1UIb+u7hkUuTV4kp05LlSw:SDZ+RwPONXoRjDhIcp0fDlaGGx+cL26x
TLSH	T15A032DA27291D806C94807794CE7C7E63A26FC51AF67874B3289F71F2E75AC0C943623
Reporter	abuse_ch
Tags:	AveMariaRAT 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: 25

OLE dump

MalwareBazaar was able to identify 19 sections in this file using oledump:

Section ID	Section size	Section name
1	114 bytes	CompObj
2	264 bytes	DocumentSummaryInformation
3	180 bytes	SummaryInformation
4	13083 bytes	Workbook
5	673 bytes	_VBA_PROJECT_CUR/PROJECT
6	194 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
8	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
9	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
10	3576 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
11	3943 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
12	1361 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
13	136 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
14	94 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
15	158 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
16	716 bytes	_VBA_PROJECT_CUR/VBA/dir
17	2216 bytes	_VBA_PROJECT_CUR/VBA/fdlbyyvqx
18	1243 bytes	_VBA_PROJECT_CUR/VBA/jgmhzoacj
19	1527 bytes	_VBA_PROJECT_CUR/VBA/jxhlqnvqk

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	dropped.ex	64726f707065642e6578
Hex String	MSXM	4d53584d
Hex String	L2.ServerXMLHTTP.6.0	4c322e536572766572584d4c485454502e362e30
Hex String	r-Agent	722d4167656e74
Hex String	ADODB	41444f4442
Hex String	.Stream	2e53747265616d
Hex String	winmgmt	77696e6d676d74
Hex String	Win32_Proce	57696e33325f50726f6365
Hex String	ssStartup	737353746172747570
Hex String	WScri	5753637269
Hex String	pt.Shell	70742e5368656c6c
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	Create	May execute file or a system command through WMI
Suspicious	ShowWindow	May hide the application
Suspicious	CreateObject	May create an OLE object
Suspicious	GetObject	May get an OLE object with a running instance
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Shell	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) 9647259

Intelligence

File Origin

# of uploads :

# of downloads :

366

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Purchase Orders.xls

Verdict:

Malicious activity

Analysis date:

2022-04-11 23:37:22 UTC

Tags:

macros macros-on-open maldoc-19

Link:

https://app.any.run/tasks/17f1ef71-0302-4caf-b0e3-6fd10f390ba1

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/262759/

Detection(s):

Xls.Malware.Sload-7135989-0

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL

TwinWave.EvilDoc.CROHeadGames.20200320.UNOFFICIAL

TwinWave.EvilDoc.CROKissFromARose.M2.20201210.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.HTTPS

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.211019.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS

TwinWave.EvilDoc.GOVarVarJaneSays.20210125.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS.210420.UNOFFICIAL

SecuriteInfo.com.Office.Macro-11.UNOFFICIAL

TwinWave.EvilDoc.DLrFireMapleSong.20210923.UNOFFICIAL

TwinWave.EvilDoc.CROgraphicMemory.20211221.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

DNS request

Creating a file in the %temp% directory

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Sending a custom TCP request by exploiting the app vulnerability

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm evasive macros macros-on-open sload valyria

Link:

https://www.filescan.io/uploads/62546572eab80a7a6cf91499/reports/f9795a7a-2ce5-44ae-ad8d-3022e4f16a49/overview

Label:

Malicious

Suspicious Score:

8.9/10

Score Malicious:

89%

Score Benign:

11%

Link:

https://www.malware.ai/gui/files/?id=d2fa62a6-0c61-4e48-a29a-50a100f1eb3b

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c

Details

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

Result

Threat name:

AveMaria UACMe

Detection:

malicious

Classification:

phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/974857

Signature

.NET source code contains potential unpacker

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to hide user accounts

Contains functionality to inject threads in other processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal e-mail passwords

Creates processes via WMI

Document contains an embedded VBA macro which may execute processes

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 hexadecimal encoded strings

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Increases the number of concurrent connection per server for Internet Explorer

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Office process drops PE file

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

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

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected AveMaria stealer

Yara detected UACMe UAC Bypass tool

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c/

Threat name:

Script-Macro.Trojan.Valyria

Status:

Malicious

First seen:

2022-04-11 17:29:05 UTC

File Type:

Document

Extracted files:

AV detection:

22 of 41 (53.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dqw5d5fubpnk2su3fcj3lnhuurjsqn4p4tgvqzwbnun526erraoa._file

Result

Malware family:

warzonerat

Score:

10/10

Tags:

family:warzonerat infostealer macro macro_on_action rat

Link:

https://tria.ge/reports/220411-v2jm9abah9/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Downloads MZ/PE file

Executes dropped EXE

Warzone RAT Payload

WarzoneRat, AveMaria

Malware Config

C2 Extraction:

172.31.30.34:1998

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/1c2dd1f4b40b/report/overview.html

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/1c2dd1f4b40bdaad4a9b2893b5b4f4a45328378fe4cd5866c16d1bdd7891881c

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/262759/

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