MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f. 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: 9


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f
SHA3-384 hash: b58c68e7d41ba9ed64183d43b30df99cb4afcd53740659e202c90a25771d803a6ff40fea17a0d512ee2fdba8d2f34978
SHA1 hash: eae965dcc34cd403caacfeddc6f4b365abcbddfe
MD5 hash: 5e6cfa111de15d3c0803562781c2435d
humanhash: pizza-stairway-november-mirror
File name:INVOICE-24 Onvrey.xlsm
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:43'403 bytes
First seen:2022-11-04 09:47:38 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:Pv117vNssn/YBIJYfTH+niSp9vDHvYv+nWOFFiKk/faqtaQYIRW+norGveA/:PvvvNT/YG1BrTvYv+lFFi3/iq4NI7oeN
TLSH T16013E02CCFFA4E58DE4B9074582EBB9181569A919280DF473F28E24F1741CC1132BDAF
TrID 42.2% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13)
29.1% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12)
17.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
8.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
2.0% (.ZIP) ZIP compressed archive (4000/1)
Reporter abuse_ch
Tags:AveMariaRAT RAT xlsm


Avatar
abuse_ch
AveMariaRAT C2:
165.73.81.45:4789

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: 9
OLE dump

MalwareBazaar was able to identify 9 sections in this file using oledump:

Section IDSection sizeSection name
A1588 bytesPROJECT
A2119 bytesPROJECTwm
A3173 bytesVBA/Learn more
A4168 bytesVBA/Start
A5341 bytesVBA/ThisWorkbook
A6171 bytesVBA/Workbook
A77 bytesVBA/_VBA_PROJECT
A8270 bytesVBA/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:

TypeKeywordDescription
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
IOCcertutil.exeExecutable file name
IOCREDONE.exeExecutable file name
IOCJzljmbyn.exeExecutable file name
SuspiciousShellMay run an executable file or a system command
SuspiciousvbHideMay run an executable file or a system command
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE-24 Onvrey.xlsm
Verdict:
Malicious activity
Analysis date:
2022-11-04 09:49:29 UTC
Tags:
macros macros-on-open
Link:
https://app.any.run/tasks/69042eb9-8297-4278-ae89-f918c48d1e6a

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/328411/
Detection(s):
TwinWave.EvilDoc.CertUtilFadeAway.20220102.UNOFFICIAL
Create hunting rule

Xls.Dropper.EPPlus-9802867-2
Create hunting rule

TwinWave.EvilDoc.OkayLureDefenderXL.20220418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
DNS request
Running batch commands by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Link:
https://app.docguard.net/cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f/results/dashboard
Payload URLs
URL
File name
https://farmlargebars.co.za/max/REDONE.exe
ThisWorkbook
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
certutil certutil.exe cmd macros macros-on-open
Link:
https://www.filescan.io/uploads/6364dfd2d998c15a09ab094e/reports/96aee205-7161-4491-b071-891dc117260b/overview
Label:
Malicious
Suspicious Score:
9.6/10
Score Malicious:
97%
Score Benign:
3%
Link:
https://www.malware.ai/gui/files/?id=c62dec85-5a74-40df-b99d-70cadf7e6ccb
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f
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.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
AveMaria, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1105290
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates a thread in another existing process (thread injection)
Document contains an embedded VBA macro which may execute processes
Document exploit detected (process start blacklist hit)
Drops PE files to the document folder of the user
Encrypted powershell cmdline option found
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 737951 Sample: INVOICE-24 Onvrey.xlsm Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 9 other signatures 2->60 9 EXCEL.EXE 54 20 2->9         started        12 Qacsusj.exe 1 2->12         started        15 Qacsusj.exe 1 2->15         started        process3 file4 48 C:\Users\user\...\~$INVOICE-24 Onvrey.xlsm, data 9->48 dropped 17 cmd.exe 9->17         started        74 Antivirus detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 78 Encrypted powershell cmdline option found 12->78 19 powershell.exe 12->19         started        21 powershell.exe 15->21         started        signatures5 process6 process7 23 Jzljmbyn.exe.exe 1 3 17->23         started        27 certutil.exe 14 17->27         started        dnsIp8 40 C:\Users\user\AppData\Roaming\...\Qacsusj.exe, PE32 23->40 dropped 62 Antivirus detection for dropped file 23->62 64 Machine Learning detection for dropped file 23->64 66 Encrypted powershell cmdline option found 23->66 72 2 other signatures 23->72 30 Jzljmbyn.exe.exe 3 4 23->30         started        34 powershell.exe 6 23->34         started        50 farmlargebars.co.za 41.185.8.228, 443, 49171, 49172 GridhostZA South Africa 27->50 42 C:\Users\user\Documents\Jzljmbyn.exe.exe, PE32 27->42 dropped 44 C:\Users\user\AppData\Local\...\REDONE[1].exe, PE32 27->44 dropped 46 C:\Users\...\FEA390D418E7A409C85AAC87832A2BE7, PE32 27->46 dropped 68 System process connects to network (likely due to code injection or exploit) 27->68 70 Drops PE files to the document folder of the user 27->70 file9 signatures10 process11 dnsIp12 52 165.73.81.45, 4789, 49173 AfrihostZA South Africa 30->52 80 Writes to foreign memory regions 30->80 82 Allocates memory in foreign processes 30->82 84 Adds a directory exclusion to Windows Defender 30->84 86 4 other signatures 30->86 36 powershell.exe 7 30->36         started        38 cmd.exe 30->38         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f/
Threat name:
Script-Macro.Downloader.Powdow
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 09:48:06 UTC
File Type:
Document
Extracted files:
50
AV detection:
13 of 26 (50.00%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zr7wb5dezjiwq6p4ln7z5u24mmd45ryuikjmzgltdgfbkrrybahq._file
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat collection infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/221104-lsrstsgbbj/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Warzone RAT payload
Process spawned unexpected child process
WarzoneRat, AveMaria
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc7f60f464ca/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/cc7f60f464ca516879fc5b7f9ed35c6307cec7144292cc9973198a154638080f

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/328411/

Comments