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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c. 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


RemcosRAT


Vendor detections: 14


Maldoc score: 9


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c
SHA3-384 hash: 110899e5688e5749b5b308fbba193bc7b9805ecd4db6c389ff5da35bf0de6465941d4cdf823852d73cc7c7d5b22085d6
SHA1 hash: 0d07f670e5b2bd63090d9fdd5a3b6b81013f5f81
MD5 hash: cb9e33fa2f0426c89933af0ab6829d40
humanhash: enemy-fruit-arizona-nuts
File name:Request quotation.xls
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:667'648 bytes
First seen:2026-10-07 09:34:29 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:QvhhJdOtOsGbNNN2bBpvUEufRYvQlX0S5ihucv7SrLPISnFQilih1Eq/A2G:QvhItjGKr3QXiscv7OtFJUnA2G
TLSH T18DE41244F4D0AE27C6FD24B139D094C2467BBC19CA16ED4B2D413BFC3A32AB7585A1AD
TrID 34.9% (.XLS) Microsoft Excel sheet (32500/1/3)
30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3)
26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter lowmal3
Tags:cve-2017-0199 RemcosRAT 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: 9
Application name is Microsoft Excel
File Format is MS Excel 97-2003
Container Format is OLE
Office document is in encrypted
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD000116E2/CompObj
5461939 bytesMBD000116E2/Package
61102 bytesMBD000116E3/Ole
7185215 bytesWorkbook
8525 bytes_VBA_PROJECT_CUR/PROJECT
9104 bytes_VBA_PROJECT_CUR/PROJECTwm
10977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
11977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
12977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
13985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
142644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15553 bytes_VBA_PROJECT_CUR/VBA/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
SuspiciousHex StringsHex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0e25bfb3-7057-40f2-bfd2-bbccd8d90961/
Malware family:
n/a
ID:
1
File name:
xls
Verdict:
No threats detected
Analysis date:
2026-10-07 09:55:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/24a0daa7-6aa8-4f70-9059-d659b0e3ea09

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/90949/
Detection(s):
SecuriteInfo.com.Exploit.CVE-2017-0199-3.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Сreating synchronization primitives
Creating a window
Creating a process with a hidden window
Possible injection to a system process
Query of malicious DNS domain
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Connection attempt to an infection source by exploiting the app vulnerability
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c/results/dashboard
Payload URLs
URL
File name
http://00033002360055/httpswww.rosefieldenergytech.comblogsindiaE28099s-biomawess.HTML-energy3A-powerinsks.MP4-a-sustainable-and-rurasl.JPG-futureimage_0034940300884.IMF
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
evasive macros
Link:
https://www.filescan.io/uploads/6ac612627e93bc678fa39e32/reports/0cf19424-ac4f-4d83-bff7-db4ec76e2b10/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=dad3a0e1-196f-47b4-9a76-7b33181f6846
Verdict:
Malicious
File Type:
xls
First seen:
2026-10-07T03:36:00Z UTC
Last seen:
2026-10-07T06:31:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1983448
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1983448 Sample: Request quotation.xls Startdate: 07/10/2026 Architecture: WINDOWS Score: 56 29 us1.roaming1.live.com.akadns.net 2->29 31 s-0005.dual-s-msedge.net 2->31 33 16 other IPs or domains 2->33 41 Multi AV Scanner detection for submitted file 2->41 43 Excel sheet contains many unusual embedded objects 2->43 45 Document exploit detected (process start blacklist hit) 2->45 9 EXCEL.EXE 505 94 2->9         started        13 EXCEL.EXE 2->13         started        signatures3 process4 dnsIp5 35 216.9.224.45, 49711, 80 WHITELABELUS United States 9->35 37 mr-b01.tm-azurefd.net 150.171.110.193, 443, 49701, 49703 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 9->37 39 3 other IPs or domains 9->39 27 C:\Users\...\Request quotation.xls (copy), Composite 9->27 dropped 15 Acrobat.exe 74 9->15         started        17 splwow64.exe 9->17         started        file6 process7 process8 19 AcroCEF.exe 78 15->19         started        21 Acrobat.exe 15->21 injected process9 23 AcroCEF.exe 2 19->23         started        25 WerFault.exe 18 21->25         started       
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c
Verdict:
Malware
YARA:
5 match(es)
Tags:
CVE-2017-0199 Office Document Remote Template Injection T1204 T1221
Link:
https://app.malva.re/file/cb9e33fa2f0426c89933af0ab6829d40
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c/
Threat name:
Document-Excel.Exploit.CVE-2017-0199
Create hunting rule
Status:
Malicious
First seen:
2026-10-07 09:35:28 UTC
File Type:
Document
Extracted files:
71
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsxftwvokwwotcul5eszquq4jk2mq4kh4qywf5j4jbca6lpwpa6a._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/261007-lkh6qawtgv/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Process spawned unexpected child process
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/acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c

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:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:MULTI_Malware_Unknown_ForgeAuto_4f67e0b3_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (archive, etat extrait)
Rule name:MULTI_Malware_Unknown_ForgeAuto_57b77e4a_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (archive, etat extrait)
Rule name:MULTI_Malware_Unknown_ForgeAuto_e38c53ae_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (archive, etat extrait)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:XLS_STRINGS
Create hunting rule
Author:somedieyoungZZ
Description:Detect Strings targeting Bangladesh

File information

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

Malspam

RemcosRAT

Excel file xls acae59daae55ace98a8be92598521c4ab4c87147e43162f53c48440f2df6783c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/90949/

Comments