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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3
SHA3-384 hash: ca533abd683f06d708fcbcfe580f46a57d7a28d274d4336442d7e2bc904c4a3a7fad3ee110b275b4d5b700c1ca1809fa
SHA1 hash: 53c0efa46188da888a6cc56726ca3da1399abb39
MD5 hash: 4caefb072e207e53dab9434c47e50ee3
humanhash: delaware-fix-venus-crazy
File name:f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3.xls
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:702'462 bytes
First seen:2025-11-24 20:20:23 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/x-ole-storage
ssdeep 12288:BFeyOO8XrBFEpAf7cVHtAUBMogvqlU+9rSD+vdmW82zuwILFTMevGhO1JJ:Hz8XrBSAjcVHtMovYauwIBTM9gj
TLSH T1F3E412A0A169AD86C887C2B05E60701F85DEFC129ACE859234BCB78E5F34FB5F471791
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 johnk3r
Tags:172-86-122-225 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 dump

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

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD00CA3A5F/CompObj
520 bytesMBD00CA3A5F/Ole
6210880 bytesMBD00CA3A5F/CONTENTS
794 bytesMBD00CA3A60/CompObj
862 bytesMBD00CA3A60/Ole
998072 bytesMBD00CA3A60/CONTENTS
10288 bytesMBD00CA3A61/Ole
11372715 bytesWorkbook
12523 bytes_VBA_PROJECT_CUR/PROJECT
13104 bytes_VBA_PROJECT_CUR/PROJECTwm
14977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
15977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
16977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
17985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
182644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
19553 bytes_VBA_PROJECT_CUR/VBA/dir

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3
Verdict:
No threats detected
Analysis date:
2025-11-24 20:22:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6cc36079-8ea2-4b36-aef6-0945fc7bd469

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/41391/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6924be39587b4206e7f292d2
Tags:
shellcode trojan macro lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending an HTTP GET request
Сreating synchronization primitives
Connection attempt by exploiting the app vulnerability
Forced shutdown of a system process
Query of malicious DNS domain
Sending a custom TCP request by exploiting the app vulnerability
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 cve-2017-0199 exploit macros powershell
Link:
https://www.filescan.io/uploads/6924be0fdeea95d50b25e525/reports/52b1f629-1b63-44e5-b07a-1b67d1bfe269/overview
Verdict:
Suspicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=04ec8dce-8cea-4fd0-8376-16c75814c7ab
Verdict:
Malicious
File Type:
xls
First seen:
2025-11-24T13:27:00Z UTC
Last seen:
2025-11-26T01:50:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.MSOffice.CVE-2017-0199.a
Link:
https://opentip.kaspersky.com/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1820194
Signature
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Microsoft Office Child Process
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1820194 Sample: QirNd1bPyH.xls Startdate: 24/11/2025 Architecture: WINDOWS Score: 56 33 x1.i.lencr.org 2->33 35 us1.roaming1.live.com.akadns.net 2->35 37 15 other IPs or domains 2->37 49 Multi AV Scanner detection for submitted file 2->49 51 Document exploit detected (process start blacklist hit) 2->51 53 Sigma detected: Suspicious Microsoft Office Child Process 2->53 9 EXCEL.EXE 227 59 2->9         started        13 EXCEL.EXE 18 57 2->13         started        signatures3 process4 dnsIp5 41 172.86.122.225, 49707, 80 NETRANGEUS United States 9->41 43 part-0013.t-0009.t-msedge.net 13.107.213.41, 443, 49708, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 9->43 45 2 other IPs or domains 9->45 31 C:\Users\user\Desktop\QirNd1bPyH.xls (copy), Composite 9->31 dropped 15 Acrobat.exe 60 9->15         started        17 DWWIN.EXE 9->17         started        19 splwow64.exe 1 9->19         started        21 mshta.exe 9->21         started        file6 process7 process8 23 AcroCEF.exe 90 15->23         started        26 EXCEL.EXE 17->26         started        dnsIp9 39 e8652.dscx.akamaiedge.net 23.210.21.119, 49714, 80 QTNETQTnetIncJP United States 23->39 28 AcroCEF.exe 7 23->28         started        process10 dnsIp11 47 184.25.164.138, 443, 49715 BBIL-APBHARTIAirtelLtdIN United States 28->47
Score:
95%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Office Document PDF /OpenAction PDF Contains AutoAction
Link:
https://app.malva.re/file/4caefb072e207e53dab9434c47e50ee3
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-0199
Link:
https://tip.neiki.dev/file/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3
Threat name:
Document-Office.Exploit.CVE-2017-0199
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 19:16:59 UTC
File Type:
Document
Extracted files:
134
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6k6xtcyf5e5fvd3rw7p3co7mxdzmieaquwv6yp6radra4b2lt7bq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/251124-y4nlrsbp7t/
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
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0636aa67-52d0-40ae-818d-3fca4e81b103
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/f2bd798b05e93a5a8f71b7dfb13becb8f2c41010a5abec3fd100e20e074b9fc3

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/41391/

Comments