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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fb0d13c333aef86316da1494da234eade3b8db44fddd27affc38bae40614744. 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: 12


Maldoc score: 4


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 7fb0d13c333aef86316da1494da234eade3b8db44fddd27affc38bae40614744
SHA3-384 hash: ff5a2238dcb75db48aace1e1a2076db4b883246e81922f923cd17e29cc84a2da8751eff85e16be73d2d27a9646ee061a
SHA1 hash: c06f8ddc7d5cb1030c516286bd0a660502cbbe35
MD5 hash: df946e734bca37e4eaf06978a0b95ef1
humanhash: fanta-maryland-undress-eight
File name:Smple_Order-048576744759475945.xls
Download: download sample
Signature RemcosRAT
File size:1'106'944 bytes
First seen:2024-12-16 16:03:50 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:qymzHJEUiOIBUzMTSgD3DERnLRmF8DrEPTxpsAQx1Zj+j+EPebSA5YiA76UdKX/E:4BaRbARM8+D8Z+jJC50YrNPkly4h
TLSH T1E23501E5B78DAB52CA06123575F3939E2711AC03D902427B32F877192BFB6C08547FA6
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: 4
OLE dump

MalwareBazaar was able to identify 39 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD00EC829A/CompObj
537036 bytesMBD00EC829A/Package
6114 bytesMBD00EC829B/CompObj
7244 bytesMBD00EC829B/DocumentSummaryInformation
8220 bytesMBD00EC829B/SummaryInformation
920 bytesMBD00EC829B/MBD0018D4CE/Ole
104 bytesMBD00EC829B/MBD0018D4CE/ObjInfo
11197671 bytesMBD00EC829B/MBD0018D4CE/Contents
12114 bytesMBD00EC829B/MBD0068D442/CompObj
1326243 bytesMBD00EC829B/MBD0068D442/Package
14114 bytesMBD00EC829B/MBD007203CB/CompObj
15248 bytesMBD00EC829B/MBD007203CB/DocumentSummaryInformation
16256 bytesMBD00EC829B/MBD007203CB/SummaryInformation
17134792 bytesMBD00EC829B/MBD007203CB/Workbook
18468 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/PROJECT
1983 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/PROJECTwm
20977 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/VBA/Sheet1
21977 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/VBA/Sheet2
22985 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/VBA/ThisWorkbook
232486 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
24536 bytesMBD00EC829B/MBD007203CB/_VBA_PROJECT_CUR/VBA/dir
25114 bytesMBD00EC829B/MBD00726B69/CompObj
2626242 bytesMBD00EC829B/MBD00726B69/Package
27283872 bytesMBD00EC829B/Workbook
2899 bytesMBD00EC829C/CompObj
2945934 bytesMBD00EC829C/Package
30518 bytesMBD00EC829D/Ole
31316621 bytesWorkbook
32529 bytes_VBA_PROJECT_CUR/PROJECT
33104 bytes_VBA_PROJECT_CUR/PROJECTwm
34977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
35977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
36977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
37985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
382644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
39553 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 be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
519
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Smple_Order-048576744759475945.xls
Verdict:
No threats detected
Analysis date:
2024-12-16 16:09:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
trojan macro micro lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending an HTTP GET request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Connection attempt by exploiting the app vulnerability
Connection attempt to an infection source
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://curt.wiz.co/0AabQV90YV?&hybridisation=substantial&bifocals
Embedded Ole
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
80 / 100
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Machine Learning detection for sample
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Sigma detected: File With Uncommon Extension Created By An Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-12-16 15:19:11 UTC
File Type:
Document
Extracted files:
131
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:elvis defense_evasion discovery execution phishing rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Detected phishing page
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
107.173.4.16:2560
Malware Family:
n/a
Verdict:
Malicious
Tags:
web_client_attacks Xls.Downloader.Trojan-aa0b8f388d8573cd-aa0b8f388d8573cd-9950439-0
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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:office_document_vba
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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