MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89. 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


DCRat


Vendor detections: 10


Intelligence 10 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89
SHA3-384 hash: 200c2839a8a744cf264238101ceb9f8f905917643866692fdc4cbcb90c136dd20c3f5752aadb963cee27f965af88d28f
SHA1 hash: 6171aa868a546ac621e0f9e64bc3ace427105f17
MD5 hash: 62b6f830b50ce8e31ac8b9642886de66
humanhash: solar-comet-uniform-maine
File name:Hesap bildirimi.xla
Download: download sample
Signature DCRat
Create hunting rule
File size:41'984 bytes
First seen:2023-11-27 10:33:06 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 768:ej+PxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAK2WLYufQnesgpN:DPxEtjPOtioVjDGUU1qfDlaGGx+cL2QN
TLSH T19E1363617695C89AD65407360DE3C6EA7B36FC519EAB83073284F32F1EB46D0C913A1B
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:DCRat geo TUR xla xlsx

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460607/
Detection(s):
TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.objshell.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ShoulderOfOrion.20220121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper macros macros-on-open masquerade packed
Link:
https://www.filescan.io/uploads/6564709efb43e835e6b6f832/reports/8aaa2fb0-0e4a-4a27-8925-357b853d1224/overview
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
%
Link:
https://www.malware.ai/gui/files/?id=87dbcb87-a8a1-4669-9e18-28b38bcabab0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348438
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
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 contains VBA stomped code (only p-code) potentially bypassing AV detection
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office process drops PE file
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1348438 Sample: Hesap_bildirimi.xla.xlsx Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Antivirus detection for URL or domain 2->75 77 16 other signatures 2->77 10 EXCEL.EXE 51 27 2->10         started        15 taskeng.exe 1 2->15         started        process3 dnsIp4 57 transportesevaristomadero.com 209.236.120.146, 49161, 80 ASN-DISUS United States 10->57 59 www.transportesevaristomadero.com 10->59 49 C:\Users\user\AppData\...\PNISNJPU.exe, PE32 10->49 dropped 51 C:\Users\user\AppData\...\server1[1].exe, PE32 10->51 dropped 53 C:\Users\user\...\~DFE49DDDB87824B3FC.TMP, Composite 10->53 dropped 55 3 other malicious files 10->55 dropped 79 Document exploit detected (creates forbidden files) 10->79 17 PNISNJPU.exe 10->17         started        20 mitrs.exe 15->20         started        file5 signatures6 process7 signatures8 65 Detected unpacking (changes PE section rights) 17->65 67 Machine Learning detection for dropped file 17->67 69 Injects a PE file into a foreign processes 17->69 22 PNISNJPU.exe 6 17->22         started        25 PNISNJPU.exe 2 17->25         started        27 mitrs.exe 1 4 20->27         started        30 mitrs.exe 20->30         started        process9 dnsIp10 47 C:\Users\user\AppData\Roaming\mitrs.exe, PE32 22->47 dropped 32 cmd.exe 22->32         started        35 cmd.exe 22->35         started        61 91.92.248.59, 49164, 8989 THEZONEBG Bulgaria 27->61 file11 process12 signatures13 63 Uses schtasks.exe or at.exe to add and modify task schedules 32->63 37 schtasks.exe 32->37         started        39 mitrs.exe 35->39         started        41 timeout.exe 35->41         started        process14 process15 43 mitrs.exe 39->43         started        45 mitrs.exe 39->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89/
Threat name:
Script-Macro.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2023-11-27 10:34:04 UTC
File Type:
Document
Extracted files:
27
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pvnpmyzyadz3oiwl2venztff5ld34cd7v3imoufy4kj76tj7jseq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro macro_on_action
Link:
https://tria.ge/reports/231127-ml5xjsfh8t/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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 FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7d5af6633800/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/7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:SUSP_OneNote
Create hunting rule
Author:spatronn
Description:Hard-Detect One

File information

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

Malspam

DCRat

Excel file xlsx 7d5af6633800f3b722cbd548dccca5eac7be087faed0c750b8e293ff4d3f4c89

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460607/

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