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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f52e2e5f9d2c8d7aa9dff68ae66fae931e4fdf77d76aec165b261b6fbe282392. 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 4 File information Comments

SHA256 hash: f52e2e5f9d2c8d7aa9dff68ae66fae931e4fdf77d76aec165b261b6fbe282392
SHA3-384 hash: 4539cd4473ba97ad8dc276055a6f431898bf8794d22947fdd329853afd59341f95b6c19f87c38398d621dd794c48c1c0
SHA1 hash: cf7e8b3b67c06c9e2d4b9c7f9823007020db1678
MD5 hash: fd52776a26a9c7ca25c6d77435f05360
humanhash: vermont-sad-sad-cup
File name:Quotation.xls
Download: download sample
Signature RemcosRAT
File size:1'298'432 bytes
First seen:2025-03-24 12:03:53 UTC
Last seen:2025-03-25 11:45:48 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:KKWmHNSyAZ0F17Oh1B4GMBXZ1ijlZgZrU5ag3JqR/fOqvNZlpxPerEC55:KM7oHypIR2IagwHjNPba
TLSH T18455230775CED303E03E62B46F9385A529447C086B1AC64723C97B6EB2367316BD372A
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 15 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD004D1F3F/CompObj
5669087 bytesMBD004D1F3F/Package
6304 bytesMBD004D1F40/Ole
7605288 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 be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
6
# of downloads :
249
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.xls
Verdict:
No threats detected
Analysis date:
2025-03-25 06:34:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
macro micro w97m
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending an HTTP GET request
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt by exploiting the app vulnerability
Forced shutdown of a system process
Sending a custom TCP request by exploiting the app vulnerability
Connection attempt 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://t.emobility.energy/64gcwe?&mixture
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
60 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2025-03-24 10:40:16 UTC
File Type:
Document
Extracted files:
60
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery phishing
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
System Location Discovery: System Language Discovery
Detected phishing page
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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:Suspicious_Latam_MSI_and_ZIP_Files
Author:eremit4, P4nd3m1cb0y
Description:Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::FreeSid
advapi32.dll::GetSidSubAuthority
advapi32.dll::GetSidSubAuthorityCount
advapi32.dll::IsValidSid
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::CheckTokenMembership
advapi32.dll::GetSidIdentifierAuthority
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteW
shell32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
winhttp.dll::WinHttpCloseHandle
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::FindFirstVolumeW
kernel32.dll::FindNextVolumeW
kernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
WIN_BASE_IO_APICan Create Fileskernel32.dll::CopyFileW
kernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::CreateFileMappingW
kernel32.dll::DeleteFileW
kernel32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameW
advapi32.dll::GetUserNameW
advapi32.dll::LookupAccountNameW
kernel32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP serviceswinhttp.dll::WinHttpAddRequestHeaders
winhttp.dll::WinHttpConnect
winhttp.dll::WinHttpGetIEProxyConfigForCurrentUser
winhttp.dll::WinHttpGetProxyForUrl
winhttp.dll::WinHttpOpenRequest
winhttp.dll::WinHttpOpen
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegConnectRegistryW
advapi32.dll::RegCreateKeyExW
advapi32.dll::RegDeleteKeyW
advapi32.dll::RegLoadKeyW
advapi32.dll::RegOpenKeyExA
advapi32.dll::RegOpenKeyExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowExW
user32.dll::FindWindowW
user32.dll::OpenClipboard

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