MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0f55c8e33506c204d9b9bb40fafd9d7bfc65cc7393333a195bc0398f34ed31e. 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


Maldoc score: 3049


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: d0f55c8e33506c204d9b9bb40fafd9d7bfc65cc7393333a195bc0398f34ed31e
SHA3-384 hash: 0cdad6738a042fc10a76ba3255269c44482955acb94d7da4756c54c8fe06755a2b366946c1989fd3dcb9b389de357338
SHA1 hash: d181cf37f3874468222c1c367cbfe2d9a8df4dc9
MD5 hash: 8d4bd213315bcd601f53c84c06395659
humanhash: table-grey-lion-seven
File name:Orden_de_compra_para_procesamiento.xls
Download: download sample
Signature RemcosRAT
File size:406'016 bytes
First seen:2026-06-04 14:28:16 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:ON1KnyUqeWzrkUcyM1DvtN1KnyUqeWzrkUcyM1DvZ:jyU40b8yU40bV
TLSH T1CC841232B916B347C9AE537140F1EAFB724DBD86AF2453533250738D1A727C2E81986B
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 abuse_ch
Tags:CVE-2017-11882 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: 3049
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
Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hashdc.creator# of relations
e13904f4421e094887e18ad21589973dRedmi 4A9
OLE dump

MalwareBazaar was able to identify 18 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD0052EEBB/CompObj
5177995 bytesMBD0052EEBB/Package
699 bytesMBD0052EEBC/CompObj
7177995 bytesMBD0052EEBC/Package
820 bytesMBD0052EEBD/Ole
91802 bytesMBD0052EEBD/oLe10NAtIVE
1029755 bytesWorkbook
11525 bytes_VBA_PROJECT_CUR/PROJECT
12104 bytes_VBA_PROJECT_CUR/PROJECTwm
13977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
14977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
15977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
16985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
172644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
18553 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 :
156
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted VBA Macros and, if observed, MS-OFORM variables/data are added to the knowledge base for usage in later parsing of the Macros
Malware family:
n/a
ID:
1
File name:
_d0f55c8e33506c204d9b9bb40fafd9d7bfc65cc7393333a195bc0398f34ed31e.xls
Verdict:
No threats detected
Analysis date:
2026-06-04 14:29:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
text/xml
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
92.5%
Tags:
office micro macro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching a process
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
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Behaviour
BlacklistAPI detected
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Verdict:
Malicious
File Type:
xls
First seen:
2026-06-04T10:27:00Z UTC
Last seen:
2026-06-06T09:09:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Shelma.sb Trojan-Downloader.MSOffice.SLoad.sb HEUR:Exploit.MSOffice.Generic Exploit.MSOffice.CVE-2017-11882.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Gathering data
Verdict:
Malicious
Threat:
Trojan.MSOffice.CVE-2017-11882
Threat name:
Win32.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2026-06-04 14:29:35 UTC
File Type:
Document
Extracted files:
96
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:XLS_STRINGS
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.

Comments