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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd979fcbbddf62e8928ad6230e2fd7f9aa3377e36ac13d29ad5a81a53de06fa3. 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: 2120


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: cd979fcbbddf62e8928ad6230e2fd7f9aa3377e36ac13d29ad5a81a53de06fa3
SHA3-384 hash: c774ac82a0ab3136644f99abab3f5d95894212a7dfd45c4e36c07b7ba3918a70e7e8746b5ec4803806303f306381f7ae
SHA1 hash: b4811d59c62cc148622684d3681024a10ea406a3
MD5 hash: 5297c84f89984ca3f334cfc2cef1f832
humanhash: undress-twelve-potato-seven
File name:profoma invoice -SDCC-01KH-2025.xls
Download: download sample
Signature RemcosRAT
File size:738'304 bytes
First seen:2025-09-30 15:06:54 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:M95HqVhlLInZF0DlwYF2DPHzFZjkYbkC3yoiV7vxjayoCjefukb/:M9MhLQZKDuYF27Xbk/XfoCmukb/
TLSH T1E7F4231EB5E9DA53DA23B7BA4CC541AB001AFC18ABA0F5977950373F8034364B79B352
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)
Magika xls
Reporter abuse_ch
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: 2120
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 bytesMBD00074D32/CompObj
531644 bytesMBD00074D32/Package
6644 bytesMBD00074D33/Ole
7686110 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 :
146
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cd979fcbbddf62e8928ad6230e2fd7f9aa3377e36ac13d29ad5a81a53de06fa3.xls
Verdict:
No threats detected
Analysis date:
2025-09-30 15:23:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
trojan shell macro lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
DNS request
Sending an HTTP GET request
Сreating synchronization primitives
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://url.odds.team/1l1RZH
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
macros threat
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Verdict:
Malicious
File Type:
xls
First seen:
2025-09-30T09:36:00Z UTC
Last seen:
2025-09-30T09:36:00Z UTC
Hits:
~1000
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
60 / 100
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Microsoft Office Child Process
Behaviour
Behavior Graph:
Gathering data
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-0199
Threat name:
Win32.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2025-09-30 15:07:24 UTC
File Type:
Document
Extracted files:
30
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware
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
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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